/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_spec27_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:46:11,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:46:11,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:46:11,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:46:11,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:46:11,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:46:11,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:46:11,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:46:11,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:46:11,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:46:11,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:46:11,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:46:11,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:46:11,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:46:11,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:46:11,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:46:11,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:46:11,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:46:11,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:46:11,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:46:11,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:46:11,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:46:11,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:46:11,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:46:11,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:46:11,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:46:11,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:46:11,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:46:11,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:46:11,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:46:11,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:46:11,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:46:11,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:46:11,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:46:11,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:46:11,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:46:11,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:46:11,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:46:11,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:46:11,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:46:11,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:46:11,118 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 18:46:11,147 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:46:11,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:46:11,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:46:11,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:46:11,149 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:46:11,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:46:11,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:46:11,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:46:11,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:46:11,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:46:11,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:46:11,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:46:11,151 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:46:11,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:46:11,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:46:11,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:46:11,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:46:11,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:46:11,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:46:11,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:46:11,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:46:11,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:46:11,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:46:11,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:46:11,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:46:11,154 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:46:11,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:46:11,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:46:11,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:46:11,617 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:46:11,618 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:46:11,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product28.cil.c [2021-01-06 18:46:11,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a0b739bb3/d68e21b2de644e87a94dc42180cbd5f6/FLAG2d306084a [2021-01-06 18:46:12,454 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:46:12,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product28.cil.c [2021-01-06 18:46:12,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a0b739bb3/d68e21b2de644e87a94dc42180cbd5f6/FLAG2d306084a [2021-01-06 18:46:12,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a0b739bb3/d68e21b2de644e87a94dc42180cbd5f6 [2021-01-06 18:46:12,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:46:12,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:46:12,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:46:12,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:46:12,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:46:12,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:46:12" (1/1) ... [2021-01-06 18:46:12,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae71bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:12, skipping insertion in model container [2021-01-06 18:46:12,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:46:12" (1/1) ... [2021-01-06 18:46:12,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:46:12,756 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] 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_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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_tmp5~2,] 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~10,] 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_tmp5~3,] 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~11,] 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~5,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~9,] 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[~__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~10,] 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[~__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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~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_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~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_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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~18,] 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[~__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~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] 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~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[~__cil_tmp4~5,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] [2021-01-06 18:46:13,366 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_spec27_product28.cil.c[32462,32475] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] 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[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~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_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~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_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~20,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~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[~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[~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[~retValue_acc~32,] 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[~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[~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[~retValue_acc~33,] 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~34,] 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~34,] 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~34,] 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~34,] 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~34,] 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~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_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~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[~__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~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_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~21,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] 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~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[~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[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] 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~40,] 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[~retValue_acc~40,] 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[~retValue_acc~40,] 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[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] 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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] 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~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] 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[~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___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2021-01-06 18:46:13,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:46:13,560 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] 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_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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_tmp5~2,] 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~10,] 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_tmp5~3,] 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~11,] 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~5,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~9,] 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[~__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~10,] 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[~__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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~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_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~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_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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~18,] 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[~__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~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] 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~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[~__cil_tmp4~5,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] [2021-01-06 18:46:13,655 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_spec27_product28.cil.c[32462,32475] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] 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[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~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_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~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_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~20,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~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[~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[~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[~retValue_acc~32,] 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[~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[~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[~retValue_acc~33,] 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~34,] 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~34,] 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~34,] 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~34,] 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~34,] 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~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_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~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[~__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~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_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~21,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] 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~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[~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[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] 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~40,] 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[~retValue_acc~40,] 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[~retValue_acc~40,] 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[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] 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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] 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~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] 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[~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___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2021-01-06 18:46:13,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:46:13,796 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:46:13,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:13 WrapperNode [2021-01-06 18:46:13,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:46:13,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:46:13,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:46:13,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:46:13,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:13" (1/1) ... [2021-01-06 18:46:13,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:13" (1/1) ... [2021-01-06 18:46:13,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:46:13,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:46:13,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:46:13,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:46:13,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:13" (1/1) ... [2021-01-06 18:46:13,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:13" (1/1) ... [2021-01-06 18:46:14,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:13" (1/1) ... [2021-01-06 18:46:14,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:13" (1/1) ... [2021-01-06 18:46:14,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:13" (1/1) ... [2021-01-06 18:46:14,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:13" (1/1) ... [2021-01-06 18:46:14,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:13" (1/1) ... [2021-01-06 18:46:14,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:46:14,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:46:14,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:46:14,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:46:14,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:13" (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 18:46:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:46:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:46:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:46:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:46:14,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:46:16,804 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:46:16,804 INFO L299 CfgBuilder]: Removed 295 assume(true) statements. [2021-01-06 18:46:16,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:46:16 BoogieIcfgContainer [2021-01-06 18:46:16,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:46:16,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:46:16,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:46:16,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:46:16,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:46:12" (1/3) ... [2021-01-06 18:46:16,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8d008e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:46:16, skipping insertion in model container [2021-01-06 18:46:16,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:46:13" (2/3) ... [2021-01-06 18:46:16,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8d008e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:46:16, skipping insertion in model container [2021-01-06 18:46:16,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:46:16" (3/3) ... [2021-01-06 18:46:16,817 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product28.cil.c [2021-01-06 18:46:16,823 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:46:16,829 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 18:46:16,849 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 18:46:16,885 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:46:16,885 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:46:16,885 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:46:16,885 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:46:16,885 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:46:16,886 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:46:16,886 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:46:16,886 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:46:16,924 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states. [2021-01-06 18:46:16,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 18:46:16,951 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:16,952 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] [2021-01-06 18:46:16,953 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:16,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:16,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1700881681, now seen corresponding path program 1 times [2021-01-06 18:46:16,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:16,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938186454] [2021-01-06 18:46:16,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:17,527 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 18:46:17,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938186454] [2021-01-06 18:46:17,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:17,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:17,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138988399] [2021-01-06 18:46:17,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:17,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:17,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:17,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:17,554 INFO L87 Difference]: Start difference. First operand 495 states. Second operand 3 states. [2021-01-06 18:46:17,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:17,717 INFO L93 Difference]: Finished difference Result 1450 states and 2555 transitions. [2021-01-06 18:46:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:17,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2021-01-06 18:46:17,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:17,774 INFO L225 Difference]: With dead ends: 1450 [2021-01-06 18:46:17,774 INFO L226 Difference]: Without dead ends: 960 [2021-01-06 18:46:17,785 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 18:46:17,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2021-01-06 18:46:17,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 489. [2021-01-06 18:46:17,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2021-01-06 18:46:17,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 855 transitions. [2021-01-06 18:46:17,908 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 855 transitions. Word has length 62 [2021-01-06 18:46:17,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:17,908 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 855 transitions. [2021-01-06 18:46:17,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:17,909 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 855 transitions. [2021-01-06 18:46:17,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 18:46:17,916 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:17,916 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 18:46:17,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:46:17,917 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:17,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:17,919 INFO L82 PathProgramCache]: Analyzing trace with hash -420744479, now seen corresponding path program 1 times [2021-01-06 18:46:17,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:17,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808974504] [2021-01-06 18:46:17,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:18,168 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 18:46:18,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808974504] [2021-01-06 18:46:18,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:18,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:46:18,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317803010] [2021-01-06 18:46:18,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:18,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:18,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:18,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:18,174 INFO L87 Difference]: Start difference. First operand 489 states and 855 transitions. Second operand 5 states. [2021-01-06 18:46:18,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:18,410 INFO L93 Difference]: Finished difference Result 1416 states and 2481 transitions. [2021-01-06 18:46:18,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:46:18,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2021-01-06 18:46:18,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:18,417 INFO L225 Difference]: With dead ends: 1416 [2021-01-06 18:46:18,417 INFO L226 Difference]: Without dead ends: 946 [2021-01-06 18:46:18,419 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 18:46:18,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2021-01-06 18:46:18,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 489. [2021-01-06 18:46:18,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2021-01-06 18:46:18,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 854 transitions. [2021-01-06 18:46:18,444 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 854 transitions. Word has length 64 [2021-01-06 18:46:18,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:18,444 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 854 transitions. [2021-01-06 18:46:18,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 854 transitions. [2021-01-06 18:46:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 18:46:18,446 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:18,446 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 18:46:18,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:46:18,447 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:18,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:18,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1732909522, now seen corresponding path program 1 times [2021-01-06 18:46:18,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:18,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739366057] [2021-01-06 18:46:18,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:18,571 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 18:46:18,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739366057] [2021-01-06 18:46:18,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:18,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:18,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194846733] [2021-01-06 18:46:18,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:18,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:18,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:18,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:18,575 INFO L87 Difference]: Start difference. First operand 489 states and 854 transitions. Second operand 3 states. [2021-01-06 18:46:18,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:18,626 INFO L93 Difference]: Finished difference Result 960 states and 1682 transitions. [2021-01-06 18:46:18,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:18,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2021-01-06 18:46:18,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:18,632 INFO L225 Difference]: With dead ends: 960 [2021-01-06 18:46:18,632 INFO L226 Difference]: Without dead ends: 494 [2021-01-06 18:46:18,633 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 18:46:18,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-01-06 18:46:18,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 489. [2021-01-06 18:46:18,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2021-01-06 18:46:18,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 853 transitions. [2021-01-06 18:46:18,660 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 853 transitions. Word has length 65 [2021-01-06 18:46:18,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:18,667 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 853 transitions. [2021-01-06 18:46:18,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:18,667 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 853 transitions. [2021-01-06 18:46:18,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 18:46:18,670 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:18,670 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 18:46:18,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:46:18,671 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:18,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:18,671 INFO L82 PathProgramCache]: Analyzing trace with hash 134967028, now seen corresponding path program 1 times [2021-01-06 18:46:18,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:18,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732369711] [2021-01-06 18:46:18,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:18,795 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 18:46:18,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732369711] [2021-01-06 18:46:18,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:18,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:18,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289846838] [2021-01-06 18:46:18,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:18,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:18,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:18,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:18,801 INFO L87 Difference]: Start difference. First operand 489 states and 853 transitions. Second operand 3 states. [2021-01-06 18:46:18,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:18,845 INFO L93 Difference]: Finished difference Result 970 states and 1695 transitions. [2021-01-06 18:46:18,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:18,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2021-01-06 18:46:18,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:18,849 INFO L225 Difference]: With dead ends: 970 [2021-01-06 18:46:18,850 INFO L226 Difference]: Without dead ends: 489 [2021-01-06 18:46:18,851 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 18:46:18,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2021-01-06 18:46:18,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2021-01-06 18:46:18,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2021-01-06 18:46:18,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 851 transitions. [2021-01-06 18:46:18,895 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 851 transitions. Word has length 66 [2021-01-06 18:46:18,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:18,898 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 851 transitions. [2021-01-06 18:46:18,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:18,898 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 851 transitions. [2021-01-06 18:46:18,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:46:18,899 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:18,900 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 18:46:18,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:46:18,900 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:18,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:18,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1001864585, now seen corresponding path program 1 times [2021-01-06 18:46:18,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:18,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494941000] [2021-01-06 18:46:18,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:19,001 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 18:46:19,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494941000] [2021-01-06 18:46:19,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:19,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:46:19,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420435621] [2021-01-06 18:46:19,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:19,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:19,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:19,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:19,005 INFO L87 Difference]: Start difference. First operand 489 states and 851 transitions. Second operand 5 states. [2021-01-06 18:46:19,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:19,176 INFO L93 Difference]: Finished difference Result 1406 states and 2461 transitions. [2021-01-06 18:46:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:46:19,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2021-01-06 18:46:19,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:19,182 INFO L225 Difference]: With dead ends: 1406 [2021-01-06 18:46:19,182 INFO L226 Difference]: Without dead ends: 944 [2021-01-06 18:46:19,184 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 18:46:19,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2021-01-06 18:46:19,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 489. [2021-01-06 18:46:19,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2021-01-06 18:46:19,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 850 transitions. [2021-01-06 18:46:19,213 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 850 transitions. Word has length 67 [2021-01-06 18:46:19,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:19,213 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 850 transitions. [2021-01-06 18:46:19,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:19,214 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 850 transitions. [2021-01-06 18:46:19,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:46:19,215 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:19,215 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 18:46:19,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:46:19,216 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:19,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:19,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1089595860, now seen corresponding path program 1 times [2021-01-06 18:46:19,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:19,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391154688] [2021-01-06 18:46:19,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:19,341 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 18:46:19,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391154688] [2021-01-06 18:46:19,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:19,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:46:19,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141659438] [2021-01-06 18:46:19,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:19,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:19,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:19,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:19,345 INFO L87 Difference]: Start difference. First operand 489 states and 850 transitions. Second operand 5 states. [2021-01-06 18:46:19,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:19,559 INFO L93 Difference]: Finished difference Result 1411 states and 2466 transitions. [2021-01-06 18:46:19,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:46:19,560 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2021-01-06 18:46:19,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:19,565 INFO L225 Difference]: With dead ends: 1411 [2021-01-06 18:46:19,566 INFO L226 Difference]: Without dead ends: 949 [2021-01-06 18:46:19,567 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 18:46:19,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2021-01-06 18:46:19,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 489. [2021-01-06 18:46:19,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2021-01-06 18:46:19,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 849 transitions. [2021-01-06 18:46:19,603 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 849 transitions. Word has length 68 [2021-01-06 18:46:19,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:19,603 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 849 transitions. [2021-01-06 18:46:19,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:19,604 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 849 transitions. [2021-01-06 18:46:19,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:46:19,605 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:19,605 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] [2021-01-06 18:46:19,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:46:19,607 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:19,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:19,611 INFO L82 PathProgramCache]: Analyzing trace with hash -947422396, now seen corresponding path program 1 times [2021-01-06 18:46:19,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:19,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257241323] [2021-01-06 18:46:19,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:19,702 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 18:46:19,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257241323] [2021-01-06 18:46:19,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:19,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:19,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216502989] [2021-01-06 18:46:19,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:19,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:19,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:19,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:19,706 INFO L87 Difference]: Start difference. First operand 489 states and 849 transitions. Second operand 3 states. [2021-01-06 18:46:19,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:19,746 INFO L93 Difference]: Finished difference Result 744 states and 1281 transitions. [2021-01-06 18:46:19,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:19,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2021-01-06 18:46:19,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:19,750 INFO L225 Difference]: With dead ends: 744 [2021-01-06 18:46:19,750 INFO L226 Difference]: Without dead ends: 492 [2021-01-06 18:46:19,752 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 18:46:19,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2021-01-06 18:46:19,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 491. [2021-01-06 18:46:19,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2021-01-06 18:46:19,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 851 transitions. [2021-01-06 18:46:19,790 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 851 transitions. Word has length 69 [2021-01-06 18:46:19,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:19,792 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 851 transitions. [2021-01-06 18:46:19,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:19,792 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 851 transitions. [2021-01-06 18:46:19,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 18:46:19,797 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:19,797 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] [2021-01-06 18:46:19,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:46:19,797 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:19,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:19,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1612700098, now seen corresponding path program 1 times [2021-01-06 18:46:19,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:19,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872044940] [2021-01-06 18:46:19,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:19,904 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 18:46:19,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872044940] [2021-01-06 18:46:19,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:19,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:19,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596995235] [2021-01-06 18:46:19,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:19,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:19,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:19,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:19,908 INFO L87 Difference]: Start difference. First operand 491 states and 851 transitions. Second operand 3 states. [2021-01-06 18:46:19,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:19,977 INFO L93 Difference]: Finished difference Result 1359 states and 2377 transitions. [2021-01-06 18:46:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:19,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2021-01-06 18:46:19,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:19,984 INFO L225 Difference]: With dead ends: 1359 [2021-01-06 18:46:19,984 INFO L226 Difference]: Without dead ends: 899 [2021-01-06 18:46:19,986 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 18:46:19,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2021-01-06 18:46:20,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 647. [2021-01-06 18:46:20,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2021-01-06 18:46:20,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 1137 transitions. [2021-01-06 18:46:20,029 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 1137 transitions. Word has length 75 [2021-01-06 18:46:20,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:20,030 INFO L481 AbstractCegarLoop]: Abstraction has 647 states and 1137 transitions. [2021-01-06 18:46:20,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1137 transitions. [2021-01-06 18:46:20,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:46:20,032 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:20,032 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 18:46:20,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:46:20,035 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:20,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:20,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1215700769, now seen corresponding path program 1 times [2021-01-06 18:46:20,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:20,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276340022] [2021-01-06 18:46:20,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:20,166 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 18:46:20,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276340022] [2021-01-06 18:46:20,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101583708] [2021-01-06 18:46:20,173 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 18:46:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:20,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:46:20,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:46:20,843 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 18:46:20,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:46:20,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:46:20,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349502540] [2021-01-06 18:46:20,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:20,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:20,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:20,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:20,846 INFO L87 Difference]: Start difference. First operand 647 states and 1137 transitions. Second operand 5 states. [2021-01-06 18:46:20,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:20,947 INFO L93 Difference]: Finished difference Result 1363 states and 2380 transitions. [2021-01-06 18:46:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:46:20,948 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2021-01-06 18:46:20,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:20,955 INFO L225 Difference]: With dead ends: 1363 [2021-01-06 18:46:20,955 INFO L226 Difference]: Without dead ends: 1111 [2021-01-06 18:46:20,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 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 18:46:20,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2021-01-06 18:46:21,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 857. [2021-01-06 18:46:21,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2021-01-06 18:46:21,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1520 transitions. [2021-01-06 18:46:21,019 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1520 transitions. Word has length 76 [2021-01-06 18:46:21,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:21,020 INFO L481 AbstractCegarLoop]: Abstraction has 857 states and 1520 transitions. [2021-01-06 18:46:21,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:21,020 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1520 transitions. [2021-01-06 18:46:21,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:46:21,022 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:21,022 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 18:46:21,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-06 18:46:21,237 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:21,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:21,237 INFO L82 PathProgramCache]: Analyzing trace with hash -2142309612, now seen corresponding path program 1 times [2021-01-06 18:46:21,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:21,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992689531] [2021-01-06 18:46:21,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:21,325 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 18:46:21,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992689531] [2021-01-06 18:46:21,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:21,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:21,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848859207] [2021-01-06 18:46:21,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:21,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:21,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:21,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:21,328 INFO L87 Difference]: Start difference. First operand 857 states and 1520 transitions. Second operand 3 states. [2021-01-06 18:46:21,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:21,427 INFO L93 Difference]: Finished difference Result 2241 states and 3991 transitions. [2021-01-06 18:46:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:21,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2021-01-06 18:46:21,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:21,437 INFO L225 Difference]: With dead ends: 2241 [2021-01-06 18:46:21,438 INFO L226 Difference]: Without dead ends: 1473 [2021-01-06 18:46:21,443 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 18:46:21,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2021-01-06 18:46:21,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1221. [2021-01-06 18:46:21,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1221 states. [2021-01-06 18:46:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 2184 transitions. [2021-01-06 18:46:21,561 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 2184 transitions. Word has length 82 [2021-01-06 18:46:21,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:21,562 INFO L481 AbstractCegarLoop]: Abstraction has 1221 states and 2184 transitions. [2021-01-06 18:46:21,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:21,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 2184 transitions. [2021-01-06 18:46:21,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:46:21,565 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:21,565 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:46:21,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:46:21,565 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:21,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:21,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1933715292, now seen corresponding path program 2 times [2021-01-06 18:46:21,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:21,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055654434] [2021-01-06 18:46:21,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:46:21,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055654434] [2021-01-06 18:46:21,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:21,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:46:21,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414391033] [2021-01-06 18:46:21,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:21,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:21,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:21,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:21,659 INFO L87 Difference]: Start difference. First operand 1221 states and 2184 transitions. Second operand 5 states. [2021-01-06 18:46:21,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:21,799 INFO L93 Difference]: Finished difference Result 2451 states and 4372 transitions. [2021-01-06 18:46:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:46:21,799 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2021-01-06 18:46:21,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:21,809 INFO L225 Difference]: With dead ends: 2451 [2021-01-06 18:46:21,809 INFO L226 Difference]: Without dead ends: 1473 [2021-01-06 18:46:21,812 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 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 18:46:21,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2021-01-06 18:46:21,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1221. [2021-01-06 18:46:21,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1221 states. [2021-01-06 18:46:21,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 2182 transitions. [2021-01-06 18:46:21,894 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 2182 transitions. Word has length 83 [2021-01-06 18:46:21,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:21,894 INFO L481 AbstractCegarLoop]: Abstraction has 1221 states and 2182 transitions. [2021-01-06 18:46:21,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:21,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 2182 transitions. [2021-01-06 18:46:21,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:46:21,897 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:21,897 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 18:46:21,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 18:46:21,898 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:21,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:21,898 INFO L82 PathProgramCache]: Analyzing trace with hash 27504035, now seen corresponding path program 1 times [2021-01-06 18:46:21,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:21,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576500000] [2021-01-06 18:46:21,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:21,974 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 18:46:21,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576500000] [2021-01-06 18:46:21,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:21,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:21,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853869636] [2021-01-06 18:46:21,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:21,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:21,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:21,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:21,976 INFO L87 Difference]: Start difference. First operand 1221 states and 2182 transitions. Second operand 3 states. [2021-01-06 18:46:22,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:22,138 INFO L93 Difference]: Finished difference Result 3305 states and 5932 transitions. [2021-01-06 18:46:22,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:22,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2021-01-06 18:46:22,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:22,151 INFO L225 Difference]: With dead ends: 3305 [2021-01-06 18:46:22,151 INFO L226 Difference]: Without dead ends: 2181 [2021-01-06 18:46:22,154 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 18:46:22,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2181 states. [2021-01-06 18:46:22,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2181 to 1929. [2021-01-06 18:46:22,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1929 states. [2021-01-06 18:46:22,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1929 states and 3473 transitions. [2021-01-06 18:46:22,297 INFO L78 Accepts]: Start accepts. Automaton has 1929 states and 3473 transitions. Word has length 83 [2021-01-06 18:46:22,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:22,298 INFO L481 AbstractCegarLoop]: Abstraction has 1929 states and 3473 transitions. [2021-01-06 18:46:22,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:22,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 3473 transitions. [2021-01-06 18:46:22,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 18:46:22,308 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:22,309 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 18:46:22,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:46:22,309 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:22,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:22,310 INFO L82 PathProgramCache]: Analyzing trace with hash -825014954, now seen corresponding path program 1 times [2021-01-06 18:46:22,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:22,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990765917] [2021-01-06 18:46:22,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:22,408 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 18:46:22,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990765917] [2021-01-06 18:46:22,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:22,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:22,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54281340] [2021-01-06 18:46:22,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:22,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:22,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:22,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:22,410 INFO L87 Difference]: Start difference. First operand 1929 states and 3473 transitions. Second operand 3 states. [2021-01-06 18:46:22,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:22,617 INFO L93 Difference]: Finished difference Result 5165 states and 9324 transitions. [2021-01-06 18:46:22,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:22,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2021-01-06 18:46:22,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:22,637 INFO L225 Difference]: With dead ends: 5165 [2021-01-06 18:46:22,638 INFO L226 Difference]: Without dead ends: 3367 [2021-01-06 18:46:22,643 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 18:46:22,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3367 states. [2021-01-06 18:46:22,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3367 to 3115. [2021-01-06 18:46:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3115 states. [2021-01-06 18:46:22,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 5630 transitions. [2021-01-06 18:46:22,920 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 5630 transitions. Word has length 84 [2021-01-06 18:46:22,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:22,921 INFO L481 AbstractCegarLoop]: Abstraction has 3115 states and 5630 transitions. [2021-01-06 18:46:22,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:22,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 5630 transitions. [2021-01-06 18:46:22,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 18:46:22,931 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:22,931 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 18:46:22,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:46:22,931 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:22,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:22,932 INFO L82 PathProgramCache]: Analyzing trace with hash 51526644, now seen corresponding path program 1 times [2021-01-06 18:46:22,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:22,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326315165] [2021-01-06 18:46:22,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:23,011 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 18:46:23,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326315165] [2021-01-06 18:46:23,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:23,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:23,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811199971] [2021-01-06 18:46:23,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:23,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:23,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:23,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:23,014 INFO L87 Difference]: Start difference. First operand 3115 states and 5630 transitions. Second operand 3 states. [2021-01-06 18:46:23,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:23,396 INFO L93 Difference]: Finished difference Result 8439 states and 15278 transitions. [2021-01-06 18:46:23,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:23,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2021-01-06 18:46:23,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:23,429 INFO L225 Difference]: With dead ends: 8439 [2021-01-06 18:46:23,429 INFO L226 Difference]: Without dead ends: 5489 [2021-01-06 18:46:23,435 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 18:46:23,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5489 states. [2021-01-06 18:46:23,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5489 to 5237. [2021-01-06 18:46:23,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5237 states. [2021-01-06 18:46:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5237 states to 5237 states and 9479 transitions. [2021-01-06 18:46:23,777 INFO L78 Accepts]: Start accepts. Automaton has 5237 states and 9479 transitions. Word has length 85 [2021-01-06 18:46:23,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:23,777 INFO L481 AbstractCegarLoop]: Abstraction has 5237 states and 9479 transitions. [2021-01-06 18:46:23,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 5237 states and 9479 transitions. [2021-01-06 18:46:23,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 18:46:23,788 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:23,788 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] [2021-01-06 18:46:23,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:46:23,788 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:23,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:23,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1527789320, now seen corresponding path program 1 times [2021-01-06 18:46:23,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:23,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135148788] [2021-01-06 18:46:23,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:23,881 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 18:46:23,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135148788] [2021-01-06 18:46:23,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:23,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:46:23,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225145415] [2021-01-06 18:46:23,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:23,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:23,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:23,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:23,886 INFO L87 Difference]: Start difference. First operand 5237 states and 9479 transitions. Second operand 5 states. [2021-01-06 18:46:24,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:24,874 INFO L93 Difference]: Finished difference Result 14938 states and 27068 transitions. [2021-01-06 18:46:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:46:24,875 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2021-01-06 18:46:24,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:24,934 INFO L225 Difference]: With dead ends: 14938 [2021-01-06 18:46:24,935 INFO L226 Difference]: Without dead ends: 9944 [2021-01-06 18:46:24,946 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 18:46:24,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9944 states. [2021-01-06 18:46:25,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9944 to 5237. [2021-01-06 18:46:25,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5237 states. [2021-01-06 18:46:25,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5237 states to 5237 states and 9429 transitions. [2021-01-06 18:46:25,381 INFO L78 Accepts]: Start accepts. Automaton has 5237 states and 9429 transitions. Word has length 86 [2021-01-06 18:46:25,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:25,382 INFO L481 AbstractCegarLoop]: Abstraction has 5237 states and 9429 transitions. [2021-01-06 18:46:25,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:25,382 INFO L276 IsEmpty]: Start isEmpty. Operand 5237 states and 9429 transitions. [2021-01-06 18:46:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 18:46:25,392 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:25,392 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 18:46:25,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:46:25,392 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:25,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:25,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1057539641, now seen corresponding path program 1 times [2021-01-06 18:46:25,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:25,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023168944] [2021-01-06 18:46:25,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:25,510 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 18:46:25,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023168944] [2021-01-06 18:46:25,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:25,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:46:25,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63398719] [2021-01-06 18:46:25,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:46:25,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:25,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:46:25,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:46:25,515 INFO L87 Difference]: Start difference. First operand 5237 states and 9429 transitions. Second operand 3 states. [2021-01-06 18:46:26,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:26,219 INFO L93 Difference]: Finished difference Result 15263 states and 27520 transitions. [2021-01-06 18:46:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:26,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2021-01-06 18:46:26,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:26,251 INFO L225 Difference]: With dead ends: 15263 [2021-01-06 18:46:26,251 INFO L226 Difference]: Without dead ends: 10195 [2021-01-06 18:46:26,262 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 18:46:26,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10195 states. [2021-01-06 18:46:26,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10195 to 9943. [2021-01-06 18:46:26,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9943 states. [2021-01-06 18:46:26,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9943 states to 9943 states and 17910 transitions. [2021-01-06 18:46:26,961 INFO L78 Accepts]: Start accepts. Automaton has 9943 states and 17910 transitions. Word has length 86 [2021-01-06 18:46:26,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:26,961 INFO L481 AbstractCegarLoop]: Abstraction has 9943 states and 17910 transitions. [2021-01-06 18:46:26,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:46:26,961 INFO L276 IsEmpty]: Start isEmpty. Operand 9943 states and 17910 transitions. [2021-01-06 18:46:26,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-01-06 18:46:26,977 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:26,977 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] [2021-01-06 18:46:26,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:46:26,978 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:26,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:26,978 INFO L82 PathProgramCache]: Analyzing trace with hash -54924109, now seen corresponding path program 1 times [2021-01-06 18:46:26,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:26,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152187074] [2021-01-06 18:46:26,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:27,267 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 18:46:27,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152187074] [2021-01-06 18:46:27,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:27,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:46:27,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352118212] [2021-01-06 18:46:27,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:46:27,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:27,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:46:27,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:46:27,270 INFO L87 Difference]: Start difference. First operand 9943 states and 17910 transitions. Second operand 9 states. [2021-01-06 18:46:29,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:29,264 INFO L93 Difference]: Finished difference Result 20637 states and 37080 transitions. [2021-01-06 18:46:29,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:46:29,265 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2021-01-06 18:46:29,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:29,335 INFO L225 Difference]: With dead ends: 20637 [2021-01-06 18:46:29,335 INFO L226 Difference]: Without dead ends: 20416 [2021-01-06 18:46:29,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=132, Unknown=0, NotChecked=0, Total=210 [2021-01-06 18:46:29,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20416 states. [2021-01-06 18:46:30,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20416 to 19615. [2021-01-06 18:46:30,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19615 states. [2021-01-06 18:46:30,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19615 states to 19615 states and 35363 transitions. [2021-01-06 18:46:30,608 INFO L78 Accepts]: Start accepts. Automaton has 19615 states and 35363 transitions. Word has length 87 [2021-01-06 18:46:30,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:30,608 INFO L481 AbstractCegarLoop]: Abstraction has 19615 states and 35363 transitions. [2021-01-06 18:46:30,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:46:30,609 INFO L276 IsEmpty]: Start isEmpty. Operand 19615 states and 35363 transitions. [2021-01-06 18:46:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 18:46:30,729 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:30,729 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 18:46:30,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:46:30,730 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:30,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:30,730 INFO L82 PathProgramCache]: Analyzing trace with hash 63334743, now seen corresponding path program 1 times [2021-01-06 18:46:30,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:30,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46675001] [2021-01-06 18:46:30,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:30,847 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 18:46:30,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46675001] [2021-01-06 18:46:30,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:30,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:46:30,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403165401] [2021-01-06 18:46:30,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:46:30,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:30,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:46:30,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:46:30,849 INFO L87 Difference]: Start difference. First operand 19615 states and 35363 transitions. Second operand 9 states. [2021-01-06 18:46:33,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:33,469 INFO L93 Difference]: Finished difference Result 40836 states and 73372 transitions. [2021-01-06 18:46:33,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-06 18:46:33,473 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2021-01-06 18:46:33,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:33,591 INFO L225 Difference]: With dead ends: 40836 [2021-01-06 18:46:33,591 INFO L226 Difference]: Without dead ends: 40500 [2021-01-06 18:46:33,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2021-01-06 18:46:33,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40500 states. [2021-01-06 18:46:36,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40500 to 38878. [2021-01-06 18:46:36,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38878 states. [2021-01-06 18:46:36,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38878 states to 38878 states and 70127 transitions. [2021-01-06 18:46:36,518 INFO L78 Accepts]: Start accepts. Automaton has 38878 states and 70127 transitions. Word has length 88 [2021-01-06 18:46:36,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:36,518 INFO L481 AbstractCegarLoop]: Abstraction has 38878 states and 70127 transitions. [2021-01-06 18:46:36,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:46:36,518 INFO L276 IsEmpty]: Start isEmpty. Operand 38878 states and 70127 transitions. [2021-01-06 18:46:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 18:46:36,574 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:36,575 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 18:46:36,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:46:36,575 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:36,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:36,576 INFO L82 PathProgramCache]: Analyzing trace with hash 85966997, now seen corresponding path program 1 times [2021-01-06 18:46:36,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:36,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718221466] [2021-01-06 18:46:36,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:36,875 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 18:46:36,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718221466] [2021-01-06 18:46:36,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:36,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:46:36,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314474521] [2021-01-06 18:46:36,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:46:36,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:36,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:46:36,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:46:36,881 INFO L87 Difference]: Start difference. First operand 38878 states and 70127 transitions. Second operand 9 states. [2021-01-06 18:46:38,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:38,907 INFO L93 Difference]: Finished difference Result 40736 states and 73271 transitions. [2021-01-06 18:46:38,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:46:38,908 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2021-01-06 18:46:38,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:39,019 INFO L225 Difference]: With dead ends: 40736 [2021-01-06 18:46:39,020 INFO L226 Difference]: Without dead ends: 40253 [2021-01-06 18:46:39,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-01-06 18:46:39,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40253 states. [2021-01-06 18:46:40,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40253 to 38888. [2021-01-06 18:46:40,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38888 states. [2021-01-06 18:46:40,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38888 states to 38888 states and 70137 transitions. [2021-01-06 18:46:40,749 INFO L78 Accepts]: Start accepts. Automaton has 38888 states and 70137 transitions. Word has length 88 [2021-01-06 18:46:40,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:40,750 INFO L481 AbstractCegarLoop]: Abstraction has 38888 states and 70137 transitions. [2021-01-06 18:46:40,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:46:40,750 INFO L276 IsEmpty]: Start isEmpty. Operand 38888 states and 70137 transitions. [2021-01-06 18:46:40,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-01-06 18:46:40,781 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:40,781 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 18:46:40,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:46:40,782 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:40,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:40,782 INFO L82 PathProgramCache]: Analyzing trace with hash -308586887, now seen corresponding path program 1 times [2021-01-06 18:46:40,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:40,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678451062] [2021-01-06 18:46:40,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:40,885 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 18:46:40,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678451062] [2021-01-06 18:46:40,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:40,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:46:40,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074957772] [2021-01-06 18:46:40,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:46:40,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:40,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:46:40,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:46:40,888 INFO L87 Difference]: Start difference. First operand 38888 states and 70137 transitions. Second operand 8 states. [2021-01-06 18:46:42,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:42,617 INFO L93 Difference]: Finished difference Result 39586 states and 71318 transitions. [2021-01-06 18:46:42,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-06 18:46:42,617 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2021-01-06 18:46:42,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:42,699 INFO L225 Difference]: With dead ends: 39586 [2021-01-06 18:46:42,700 INFO L226 Difference]: Without dead ends: 38965 [2021-01-06 18:46:42,713 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-01-06 18:46:42,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38965 states. [2021-01-06 18:46:44,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38965 to 38861. [2021-01-06 18:46:44,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38861 states. [2021-01-06 18:46:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38861 states to 38861 states and 70082 transitions. [2021-01-06 18:46:44,659 INFO L78 Accepts]: Start accepts. Automaton has 38861 states and 70082 transitions. Word has length 89 [2021-01-06 18:46:44,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:44,660 INFO L481 AbstractCegarLoop]: Abstraction has 38861 states and 70082 transitions. [2021-01-06 18:46:44,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:46:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 38861 states and 70082 transitions. [2021-01-06 18:46:44,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-01-06 18:46:44,687 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:44,687 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 18:46:44,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:46:44,688 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:44,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:44,688 INFO L82 PathProgramCache]: Analyzing trace with hash 947194323, now seen corresponding path program 1 times [2021-01-06 18:46:44,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:44,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326618650] [2021-01-06 18:46:44,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:44,791 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 18:46:44,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326618650] [2021-01-06 18:46:44,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:44,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:46:44,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670742671] [2021-01-06 18:46:44,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:46:44,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:44,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:46:44,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:44,793 INFO L87 Difference]: Start difference. First operand 38861 states and 70082 transitions. Second operand 5 states. [2021-01-06 18:46:46,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:46,655 INFO L93 Difference]: Finished difference Result 41499 states and 74508 transitions. [2021-01-06 18:46:46,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:46:46,656 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2021-01-06 18:46:46,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:46,734 INFO L225 Difference]: With dead ends: 41499 [2021-01-06 18:46:46,734 INFO L226 Difference]: Without dead ends: 41110 [2021-01-06 18:46:46,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:46:46,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41110 states. [2021-01-06 18:46:48,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41110 to 39359. [2021-01-06 18:46:48,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39359 states. [2021-01-06 18:46:48,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39359 states to 39359 states and 70903 transitions. [2021-01-06 18:46:48,901 INFO L78 Accepts]: Start accepts. Automaton has 39359 states and 70903 transitions. Word has length 89 [2021-01-06 18:46:48,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:48,902 INFO L481 AbstractCegarLoop]: Abstraction has 39359 states and 70903 transitions. [2021-01-06 18:46:48,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:46:48,902 INFO L276 IsEmpty]: Start isEmpty. Operand 39359 states and 70903 transitions. [2021-01-06 18:46:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-01-06 18:46:48,934 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:48,934 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 18:46:48,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:46:48,935 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:48,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:48,936 INFO L82 PathProgramCache]: Analyzing trace with hash -684477359, now seen corresponding path program 1 times [2021-01-06 18:46:48,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:48,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111794767] [2021-01-06 18:46:48,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:49,030 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 18:46:49,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111794767] [2021-01-06 18:46:49,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:49,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:46:49,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043081103] [2021-01-06 18:46:49,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:46:49,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:49,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:46:49,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:46:49,033 INFO L87 Difference]: Start difference. First operand 39359 states and 70903 transitions. Second operand 7 states. [2021-01-06 18:46:50,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:50,982 INFO L93 Difference]: Finished difference Result 41081 states and 73771 transitions. [2021-01-06 18:46:50,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:46:50,985 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2021-01-06 18:46:50,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:51,041 INFO L225 Difference]: With dead ends: 41081 [2021-01-06 18:46:51,041 INFO L226 Difference]: Without dead ends: 40598 [2021-01-06 18:46:51,051 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-01-06 18:46:51,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40598 states. [2021-01-06 18:46:52,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40598 to 39377. [2021-01-06 18:46:52,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39377 states. [2021-01-06 18:46:52,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39377 states to 39377 states and 70921 transitions. [2021-01-06 18:46:52,864 INFO L78 Accepts]: Start accepts. Automaton has 39377 states and 70921 transitions. Word has length 90 [2021-01-06 18:46:52,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:52,865 INFO L481 AbstractCegarLoop]: Abstraction has 39377 states and 70921 transitions. [2021-01-06 18:46:52,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:46:52,865 INFO L276 IsEmpty]: Start isEmpty. Operand 39377 states and 70921 transitions. [2021-01-06 18:46:52,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-01-06 18:46:52,906 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:52,906 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 18:46:52,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:46:52,907 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:52,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:52,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1451245802, now seen corresponding path program 1 times [2021-01-06 18:46:52,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:52,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385501607] [2021-01-06 18:46:52,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:53,055 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 18:46:53,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385501607] [2021-01-06 18:46:53,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:53,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:46:53,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284712627] [2021-01-06 18:46:53,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:46:53,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:53,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:46:53,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:46:53,058 INFO L87 Difference]: Start difference. First operand 39377 states and 70921 transitions. Second operand 10 states. [2021-01-06 18:46:55,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:55,092 INFO L93 Difference]: Finished difference Result 40358 states and 72544 transitions. [2021-01-06 18:46:55,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-06 18:46:55,093 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2021-01-06 18:46:55,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:55,155 INFO L225 Difference]: With dead ends: 40358 [2021-01-06 18:46:55,155 INFO L226 Difference]: Without dead ends: 39433 [2021-01-06 18:46:55,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2021-01-06 18:46:55,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39433 states. [2021-01-06 18:46:56,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39433 to 39337. [2021-01-06 18:46:56,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39337 states. [2021-01-06 18:46:56,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39337 states to 39337 states and 70841 transitions. [2021-01-06 18:46:56,983 INFO L78 Accepts]: Start accepts. Automaton has 39337 states and 70841 transitions. Word has length 90 [2021-01-06 18:46:56,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:46:56,984 INFO L481 AbstractCegarLoop]: Abstraction has 39337 states and 70841 transitions. [2021-01-06 18:46:56,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:46:56,984 INFO L276 IsEmpty]: Start isEmpty. Operand 39337 states and 70841 transitions. [2021-01-06 18:46:57,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-01-06 18:46:57,010 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:46:57,011 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 18:46:57,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:46:57,011 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:46:57,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:46:57,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1614966497, now seen corresponding path program 1 times [2021-01-06 18:46:57,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:46:57,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510104794] [2021-01-06 18:46:57,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:46:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:46:57,077 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 18:46:57,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510104794] [2021-01-06 18:46:57,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:46:57,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:46:57,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566168124] [2021-01-06 18:46:57,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:46:57,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:46:57,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:46:57,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:46:57,079 INFO L87 Difference]: Start difference. First operand 39337 states and 70841 transitions. Second operand 4 states. [2021-01-06 18:46:59,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:59,045 INFO L93 Difference]: Finished difference Result 42249 states and 75515 transitions. [2021-01-06 18:46:59,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:46:59,045 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2021-01-06 18:46:59,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:59,101 INFO L225 Difference]: With dead ends: 42249 [2021-01-06 18:46:59,101 INFO L226 Difference]: Without dead ends: 41216 [2021-01-06 18:46:59,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:46:59,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41216 states. [2021-01-06 18:47:00,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41216 to 39349. [2021-01-06 18:47:00,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39349 states. [2021-01-06 18:47:00,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39349 states to 39349 states and 70853 transitions. [2021-01-06 18:47:00,880 INFO L78 Accepts]: Start accepts. Automaton has 39349 states and 70853 transitions. Word has length 92 [2021-01-06 18:47:00,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:00,881 INFO L481 AbstractCegarLoop]: Abstraction has 39349 states and 70853 transitions. [2021-01-06 18:47:00,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:47:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 39349 states and 70853 transitions. [2021-01-06 18:47:00,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-01-06 18:47:00,910 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:00,911 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 18:47:00,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:47:00,911 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:00,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:00,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1062293033, now seen corresponding path program 1 times [2021-01-06 18:47:00,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:00,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640910080] [2021-01-06 18:47:00,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:01,176 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 18:47:01,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640910080] [2021-01-06 18:47:01,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:01,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:47:01,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508194303] [2021-01-06 18:47:01,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:47:01,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:01,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:47:01,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:47:01,179 INFO L87 Difference]: Start difference. First operand 39349 states and 70853 transitions. Second operand 7 states. [2021-01-06 18:47:03,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:03,053 INFO L93 Difference]: Finished difference Result 40823 states and 73230 transitions. [2021-01-06 18:47:03,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:47:03,054 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2021-01-06 18:47:03,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:03,112 INFO L225 Difference]: With dead ends: 40823 [2021-01-06 18:47:03,112 INFO L226 Difference]: Without dead ends: 39746 [2021-01-06 18:47:03,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-01-06 18:47:03,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39746 states. [2021-01-06 18:47:04,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39746 to 39291. [2021-01-06 18:47:04,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39291 states. [2021-01-06 18:47:04,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39291 states to 39291 states and 70746 transitions. [2021-01-06 18:47:04,816 INFO L78 Accepts]: Start accepts. Automaton has 39291 states and 70746 transitions. Word has length 92 [2021-01-06 18:47:04,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:04,817 INFO L481 AbstractCegarLoop]: Abstraction has 39291 states and 70746 transitions. [2021-01-06 18:47:04,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:47:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 39291 states and 70746 transitions. [2021-01-06 18:47:04,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-01-06 18:47:04,850 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:04,850 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 18:47:04,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:47:04,851 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:04,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:04,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1958400256, now seen corresponding path program 1 times [2021-01-06 18:47:04,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:04,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617105975] [2021-01-06 18:47:04,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:04,923 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 18:47:04,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617105975] [2021-01-06 18:47:04,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:04,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:47:04,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430505568] [2021-01-06 18:47:04,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:47:04,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:04,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:47:04,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:47:04,926 INFO L87 Difference]: Start difference. First operand 39291 states and 70746 transitions. Second operand 4 states. [2021-01-06 18:47:06,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:06,631 INFO L93 Difference]: Finished difference Result 39697 states and 71411 transitions. [2021-01-06 18:47:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:47:06,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2021-01-06 18:47:06,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:06,698 INFO L225 Difference]: With dead ends: 39697 [2021-01-06 18:47:06,698 INFO L226 Difference]: Without dead ends: 39290 [2021-01-06 18:47:06,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:47:06,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39290 states. [2021-01-06 18:47:08,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39290 to 39290. [2021-01-06 18:47:08,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39290 states. [2021-01-06 18:47:08,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39290 states to 39290 states and 70740 transitions. [2021-01-06 18:47:08,430 INFO L78 Accepts]: Start accepts. Automaton has 39290 states and 70740 transitions. Word has length 92 [2021-01-06 18:47:08,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:08,430 INFO L481 AbstractCegarLoop]: Abstraction has 39290 states and 70740 transitions. [2021-01-06 18:47:08,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:47:08,431 INFO L276 IsEmpty]: Start isEmpty. Operand 39290 states and 70740 transitions. [2021-01-06 18:47:08,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-01-06 18:47:08,638 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:08,639 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 18:47:08,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:47:08,639 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:08,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:08,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1513096578, now seen corresponding path program 1 times [2021-01-06 18:47:08,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:08,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483879653] [2021-01-06 18:47:08,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:08,790 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 18:47:08,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483879653] [2021-01-06 18:47:08,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:08,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:47:08,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729970389] [2021-01-06 18:47:08,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:47:08,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:08,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:47:08,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:47:08,792 INFO L87 Difference]: Start difference. First operand 39290 states and 70740 transitions. Second operand 5 states. [2021-01-06 18:47:10,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:10,915 INFO L93 Difference]: Finished difference Result 41524 states and 74326 transitions. [2021-01-06 18:47:10,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:47:10,915 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2021-01-06 18:47:10,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:10,979 INFO L225 Difference]: With dead ends: 41524 [2021-01-06 18:47:10,979 INFO L226 Difference]: Without dead ends: 41071 [2021-01-06 18:47:10,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:47:11,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41071 states. [2021-01-06 18:47:12,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41071 to 39790. [2021-01-06 18:47:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39790 states. [2021-01-06 18:47:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39790 states to 39790 states and 71542 transitions. [2021-01-06 18:47:12,897 INFO L78 Accepts]: Start accepts. Automaton has 39790 states and 71542 transitions. Word has length 93 [2021-01-06 18:47:12,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:12,897 INFO L481 AbstractCegarLoop]: Abstraction has 39790 states and 71542 transitions. [2021-01-06 18:47:12,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:47:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 39790 states and 71542 transitions. [2021-01-06 18:47:12,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-01-06 18:47:12,924 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:12,925 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, 1] [2021-01-06 18:47:12,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:47:12,925 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:12,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:12,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1762749206, now seen corresponding path program 1 times [2021-01-06 18:47:12,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:12,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802339241] [2021-01-06 18:47:12,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:13,079 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 18:47:13,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802339241] [2021-01-06 18:47:13,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:13,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:47:13,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353391978] [2021-01-06 18:47:13,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:47:13,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:13,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:47:13,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:47:13,082 INFO L87 Difference]: Start difference. First operand 39790 states and 71542 transitions. Second operand 11 states. [2021-01-06 18:47:15,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:15,133 INFO L93 Difference]: Finished difference Result 40605 states and 72847 transitions. [2021-01-06 18:47:15,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 18:47:15,134 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 94 [2021-01-06 18:47:15,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:15,194 INFO L225 Difference]: With dead ends: 40605 [2021-01-06 18:47:15,194 INFO L226 Difference]: Without dead ends: 39648 [2021-01-06 18:47:15,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2021-01-06 18:47:15,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39648 states. [2021-01-06 18:47:16,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39648 to 39630. [2021-01-06 18:47:16,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39630 states. [2021-01-06 18:47:16,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39630 states to 39630 states and 71246 transitions. [2021-01-06 18:47:16,913 INFO L78 Accepts]: Start accepts. Automaton has 39630 states and 71246 transitions. Word has length 94 [2021-01-06 18:47:16,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:16,913 INFO L481 AbstractCegarLoop]: Abstraction has 39630 states and 71246 transitions. [2021-01-06 18:47:16,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:47:16,913 INFO L276 IsEmpty]: Start isEmpty. Operand 39630 states and 71246 transitions. [2021-01-06 18:47:16,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 18:47:16,953 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:16,953 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:16,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 18:47:16,953 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:16,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:16,954 INFO L82 PathProgramCache]: Analyzing trace with hash -681809551, now seen corresponding path program 1 times [2021-01-06 18:47:16,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:16,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861846318] [2021-01-06 18:47:16,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:17,043 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 18:47:17,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861846318] [2021-01-06 18:47:17,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:17,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:47:17,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424344965] [2021-01-06 18:47:17,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:47:17,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:17,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:47:17,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:47:17,046 INFO L87 Difference]: Start difference. First operand 39630 states and 71246 transitions. Second operand 5 states. [2021-01-06 18:47:19,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:19,300 INFO L93 Difference]: Finished difference Result 43468 states and 77253 transitions. [2021-01-06 18:47:19,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:47:19,301 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2021-01-06 18:47:19,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:19,366 INFO L225 Difference]: With dead ends: 43468 [2021-01-06 18:47:19,366 INFO L226 Difference]: Without dead ends: 42447 [2021-01-06 18:47:19,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:47:19,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42447 states. [2021-01-06 18:47:21,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42447 to 40982. [2021-01-06 18:47:21,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40982 states. [2021-01-06 18:47:21,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40982 states to 40982 states and 73365 transitions. [2021-01-06 18:47:21,354 INFO L78 Accepts]: Start accepts. Automaton has 40982 states and 73365 transitions. Word has length 106 [2021-01-06 18:47:21,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:21,354 INFO L481 AbstractCegarLoop]: Abstraction has 40982 states and 73365 transitions. [2021-01-06 18:47:21,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:47:21,354 INFO L276 IsEmpty]: Start isEmpty. Operand 40982 states and 73365 transitions. [2021-01-06 18:47:21,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 18:47:21,396 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:21,396 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:21,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-01-06 18:47:21,396 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:21,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:21,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1837746286, now seen corresponding path program 1 times [2021-01-06 18:47:21,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:21,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314638035] [2021-01-06 18:47:21,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:21,539 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 18:47:21,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314638035] [2021-01-06 18:47:21,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:21,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:47:21,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499828775] [2021-01-06 18:47:21,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:47:21,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:21,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:47:21,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:47:21,541 INFO L87 Difference]: Start difference. First operand 40982 states and 73365 transitions. Second operand 11 states. [2021-01-06 18:47:23,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:23,964 INFO L93 Difference]: Finished difference Result 42763 states and 76163 transitions. [2021-01-06 18:47:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-06 18:47:23,964 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 107 [2021-01-06 18:47:23,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:24,035 INFO L225 Difference]: With dead ends: 42763 [2021-01-06 18:47:24,035 INFO L226 Difference]: Without dead ends: 40716 [2021-01-06 18:47:24,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=254, Invalid=616, Unknown=0, NotChecked=0, Total=870 [2021-01-06 18:47:24,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40716 states. [2021-01-06 18:47:25,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40716 to 40311. [2021-01-06 18:47:25,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40311 states. [2021-01-06 18:47:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40311 states to 40311 states and 72236 transitions. [2021-01-06 18:47:26,041 INFO L78 Accepts]: Start accepts. Automaton has 40311 states and 72236 transitions. Word has length 107 [2021-01-06 18:47:26,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:26,041 INFO L481 AbstractCegarLoop]: Abstraction has 40311 states and 72236 transitions. [2021-01-06 18:47:26,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:47:26,041 INFO L276 IsEmpty]: Start isEmpty. Operand 40311 states and 72236 transitions. [2021-01-06 18:47:26,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 18:47:26,082 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:26,088 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:26,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-01-06 18:47:26,088 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:26,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:26,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1805037927, now seen corresponding path program 1 times [2021-01-06 18:47:26,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:26,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027193585] [2021-01-06 18:47:26,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:26,261 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 18:47:26,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027193585] [2021-01-06 18:47:26,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:26,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:47:26,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71366783] [2021-01-06 18:47:26,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:47:26,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:26,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:47:26,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:47:26,263 INFO L87 Difference]: Start difference. First operand 40311 states and 72236 transitions. Second operand 11 states. [2021-01-06 18:47:28,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:28,891 INFO L93 Difference]: Finished difference Result 42654 states and 75939 transitions. [2021-01-06 18:47:28,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-06 18:47:28,891 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 109 [2021-01-06 18:47:28,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:28,949 INFO L225 Difference]: With dead ends: 42654 [2021-01-06 18:47:28,949 INFO L226 Difference]: Without dead ends: 41717 [2021-01-06 18:47:28,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=389, Unknown=0, NotChecked=0, Total=552 [2021-01-06 18:47:28,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41717 states. [2021-01-06 18:47:30,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41717 to 40476. [2021-01-06 18:47:30,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40476 states. [2021-01-06 18:47:30,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40476 states to 40476 states and 72493 transitions. [2021-01-06 18:47:30,927 INFO L78 Accepts]: Start accepts. Automaton has 40476 states and 72493 transitions. Word has length 109 [2021-01-06 18:47:30,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:30,928 INFO L481 AbstractCegarLoop]: Abstraction has 40476 states and 72493 transitions. [2021-01-06 18:47:30,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:47:30,928 INFO L276 IsEmpty]: Start isEmpty. Operand 40476 states and 72493 transitions. [2021-01-06 18:47:30,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 18:47:30,968 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:30,968 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:30,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-01-06 18:47:30,969 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:30,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:30,969 INFO L82 PathProgramCache]: Analyzing trace with hash 996655953, now seen corresponding path program 1 times [2021-01-06 18:47:30,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:30,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23206885] [2021-01-06 18:47:30,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:31,119 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 18:47:31,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23206885] [2021-01-06 18:47:31,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:31,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:47:31,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540440254] [2021-01-06 18:47:31,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:47:31,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:31,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:47:31,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:47:31,121 INFO L87 Difference]: Start difference. First operand 40476 states and 72493 transitions. Second operand 10 states. [2021-01-06 18:47:33,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:33,885 INFO L93 Difference]: Finished difference Result 43142 states and 76707 transitions. [2021-01-06 18:47:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-06 18:47:33,886 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2021-01-06 18:47:33,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:33,946 INFO L225 Difference]: With dead ends: 43142 [2021-01-06 18:47:33,946 INFO L226 Difference]: Without dead ends: 42071 [2021-01-06 18:47:33,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2021-01-06 18:47:33,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42071 states. [2021-01-06 18:47:35,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42071 to 40647. [2021-01-06 18:47:35,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40647 states. [2021-01-06 18:47:35,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40647 states to 40647 states and 72748 transitions. [2021-01-06 18:47:35,914 INFO L78 Accepts]: Start accepts. Automaton has 40647 states and 72748 transitions. Word has length 110 [2021-01-06 18:47:35,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:35,914 INFO L481 AbstractCegarLoop]: Abstraction has 40647 states and 72748 transitions. [2021-01-06 18:47:35,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:47:35,915 INFO L276 IsEmpty]: Start isEmpty. Operand 40647 states and 72748 transitions. [2021-01-06 18:47:35,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 18:47:35,951 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:35,951 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:35,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-01-06 18:47:35,951 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:35,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:35,952 INFO L82 PathProgramCache]: Analyzing trace with hash -317708195, now seen corresponding path program 1 times [2021-01-06 18:47:35,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:35,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094892545] [2021-01-06 18:47:35,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:36,118 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 18:47:36,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094892545] [2021-01-06 18:47:36,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:36,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:47:36,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5259926] [2021-01-06 18:47:36,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-06 18:47:36,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:36,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-06 18:47:36,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-01-06 18:47:36,121 INFO L87 Difference]: Start difference. First operand 40647 states and 72748 transitions. Second operand 12 states. [2021-01-06 18:47:41,581 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-01-06 18:47:46,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:46,547 INFO L93 Difference]: Finished difference Result 138065 states and 243467 transitions. [2021-01-06 18:47:46,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-01-06 18:47:46,548 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 110 [2021-01-06 18:47:46,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:46,978 INFO L225 Difference]: With dead ends: 138065 [2021-01-06 18:47:46,978 INFO L226 Difference]: Without dead ends: 136882 [2021-01-06 18:47:47,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=420, Invalid=912, Unknown=0, NotChecked=0, Total=1332 [2021-01-06 18:47:47,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136882 states. [2021-01-06 18:47:52,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136882 to 82895. [2021-01-06 18:47:52,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82895 states. [2021-01-06 18:47:52,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82895 states to 82895 states and 147881 transitions. [2021-01-06 18:47:52,532 INFO L78 Accepts]: Start accepts. Automaton has 82895 states and 147881 transitions. Word has length 110 [2021-01-06 18:47:52,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:52,533 INFO L481 AbstractCegarLoop]: Abstraction has 82895 states and 147881 transitions. [2021-01-06 18:47:52,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-01-06 18:47:52,533 INFO L276 IsEmpty]: Start isEmpty. Operand 82895 states and 147881 transitions. [2021-01-06 18:47:52,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-01-06 18:47:52,632 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:52,632 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:52,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-01-06 18:47:52,632 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:52,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:52,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1420847492, now seen corresponding path program 1 times [2021-01-06 18:47:52,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:52,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016861725] [2021-01-06 18:47:52,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:52,812 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 18:47:52,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016861725] [2021-01-06 18:47:52,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:52,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:47:52,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814526601] [2021-01-06 18:47:52,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-06 18:47:52,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:52,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-06 18:47:52,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-01-06 18:47:52,815 INFO L87 Difference]: Start difference. First operand 82895 states and 147881 transitions. Second operand 12 states. [2021-01-06 18:48:11,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:48:11,426 INFO L93 Difference]: Finished difference Result 232126 states and 408464 transitions. [2021-01-06 18:48:11,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-01-06 18:48:11,426 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2021-01-06 18:48:11,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:48:11,945 INFO L225 Difference]: With dead ends: 232126 [2021-01-06 18:48:11,945 INFO L226 Difference]: Without dead ends: 229715 [2021-01-06 18:48:12,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=420, Invalid=912, Unknown=0, NotChecked=0, Total=1332 [2021-01-06 18:48:12,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229715 states. [2021-01-06 18:48:23,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229715 to 166774. [2021-01-06 18:48:23,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166774 states. [2021-01-06 18:48:23,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166774 states to 166774 states and 297077 transitions. [2021-01-06 18:48:23,902 INFO L78 Accepts]: Start accepts. Automaton has 166774 states and 297077 transitions. Word has length 111 [2021-01-06 18:48:23,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:48:23,902 INFO L481 AbstractCegarLoop]: Abstraction has 166774 states and 297077 transitions. [2021-01-06 18:48:23,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-01-06 18:48:23,902 INFO L276 IsEmpty]: Start isEmpty. Operand 166774 states and 297077 transitions. [2021-01-06 18:48:24,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-01-06 18:48:24,120 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:48:24,121 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:48:24,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-01-06 18:48:24,121 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:48:24,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:48:24,121 INFO L82 PathProgramCache]: Analyzing trace with hash 603199042, now seen corresponding path program 1 times [2021-01-06 18:48:24,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:48:24,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943869302] [2021-01-06 18:48:24,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:48:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:48:24,219 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 18:48:24,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943869302] [2021-01-06 18:48:24,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:48:24,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:48:24,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783864744] [2021-01-06 18:48:24,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:48:24,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:48:24,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:48:24,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:48:24,221 INFO L87 Difference]: Start difference. First operand 166774 states and 297077 transitions. Second operand 4 states. [2021-01-06 18:48:37,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:48:37,480 INFO L93 Difference]: Finished difference Result 186728 states and 327419 transitions. [2021-01-06 18:48:37,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:48:37,481 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2021-01-06 18:48:37,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:48:37,971 INFO L225 Difference]: With dead ends: 186728 [2021-01-06 18:48:37,971 INFO L226 Difference]: Without dead ends: 179888 [2021-01-06 18:48:38,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:48:38,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179888 states. [2021-01-06 18:48:50,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179888 to 166902. [2021-01-06 18:48:50,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166902 states. [2021-01-06 18:48:51,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166902 states to 166902 states and 297205 transitions. [2021-01-06 18:48:51,025 INFO L78 Accepts]: Start accepts. Automaton has 166902 states and 297205 transitions. Word has length 111 [2021-01-06 18:48:51,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:48:51,025 INFO L481 AbstractCegarLoop]: Abstraction has 166902 states and 297205 transitions. [2021-01-06 18:48:51,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:48:51,025 INFO L276 IsEmpty]: Start isEmpty. Operand 166902 states and 297205 transitions. [2021-01-06 18:48:51,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-01-06 18:48:51,195 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:48:51,195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:48:51,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-01-06 18:48:51,196 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:48:51,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:48:51,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1284587588, now seen corresponding path program 1 times [2021-01-06 18:48:51,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:48:51,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619232861] [2021-01-06 18:48:51,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:48:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:48:51,333 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 18:48:51,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619232861] [2021-01-06 18:48:51,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:48:51,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:48:51,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011177418] [2021-01-06 18:48:51,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:48:51,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:48:51,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:48:51,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:48:51,335 INFO L87 Difference]: Start difference. First operand 166902 states and 297205 transitions. Second operand 11 states. [2021-01-06 18:49:02,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:02,732 INFO L93 Difference]: Finished difference Result 178988 states and 316169 transitions. [2021-01-06 18:49:02,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-06 18:49:02,733 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 111 [2021-01-06 18:49:02,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:03,207 INFO L225 Difference]: With dead ends: 178988 [2021-01-06 18:49:03,207 INFO L226 Difference]: Without dead ends: 171572 [2021-01-06 18:49:03,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=254, Invalid=616, Unknown=0, NotChecked=0, Total=870 [2021-01-06 18:49:03,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171572 states. [2021-01-06 18:49:14,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171572 to 166240. [2021-01-06 18:49:14,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166240 states. [2021-01-06 18:49:14,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166240 states to 166240 states and 296085 transitions. [2021-01-06 18:49:14,481 INFO L78 Accepts]: Start accepts. Automaton has 166240 states and 296085 transitions. Word has length 111 [2021-01-06 18:49:14,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:14,482 INFO L481 AbstractCegarLoop]: Abstraction has 166240 states and 296085 transitions. [2021-01-06 18:49:14,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:49:14,482 INFO L276 IsEmpty]: Start isEmpty. Operand 166240 states and 296085 transitions. [2021-01-06 18:49:15,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-01-06 18:49:15,060 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:15,061 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:15,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-01-06 18:49:15,061 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:15,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:15,069 INFO L82 PathProgramCache]: Analyzing trace with hash 634229758, now seen corresponding path program 1 times [2021-01-06 18:49:15,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:15,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475098598] [2021-01-06 18:49:15,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:15,168 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 18:49:15,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475098598] [2021-01-06 18:49:15,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:15,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:49:15,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442363808] [2021-01-06 18:49:15,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:49:15,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:15,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:49:15,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:49:15,171 INFO L87 Difference]: Start difference. First operand 166240 states and 296085 transitions. Second operand 8 states. [2021-01-06 18:49:25,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:25,369 INFO L93 Difference]: Finished difference Result 182795 states and 321308 transitions. [2021-01-06 18:49:25,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:49:25,370 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 111 [2021-01-06 18:49:25,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:25,851 INFO L225 Difference]: With dead ends: 182795 [2021-01-06 18:49:25,851 INFO L226 Difference]: Without dead ends: 168625 [2021-01-06 18:49:25,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-01-06 18:49:26,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168625 states. [2021-01-06 18:49:36,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168625 to 166168. [2021-01-06 18:49:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166168 states. [2021-01-06 18:49:37,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166168 states to 166168 states and 295827 transitions. [2021-01-06 18:49:37,065 INFO L78 Accepts]: Start accepts. Automaton has 166168 states and 295827 transitions. Word has length 111 [2021-01-06 18:49:37,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:37,065 INFO L481 AbstractCegarLoop]: Abstraction has 166168 states and 295827 transitions. [2021-01-06 18:49:37,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:49:37,065 INFO L276 IsEmpty]: Start isEmpty. Operand 166168 states and 295827 transitions. [2021-01-06 18:49:37,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-01-06 18:49:37,273 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:37,273 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:37,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-01-06 18:49:37,273 INFO L429 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:37,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:37,274 INFO L82 PathProgramCache]: Analyzing trace with hash -533684205, now seen corresponding path program 1 times [2021-01-06 18:49:37,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:37,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979478854] [2021-01-06 18:49:37,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:37,394 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 18:49:37,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979478854] [2021-01-06 18:49:37,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:37,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:49:37,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788138880] [2021-01-06 18:49:37,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:49:37,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:37,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:49:37,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:49:37,396 INFO L87 Difference]: Start difference. First operand 166168 states and 295827 transitions. Second operand 7 states. [2021-01-06 18:49:46,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:46,941 INFO L93 Difference]: Finished difference Result 172672 states and 306098 transitions. [2021-01-06 18:49:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:49:46,942 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 111 [2021-01-06 18:49:46,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:47,292 INFO L225 Difference]: With dead ends: 172672 [2021-01-06 18:49:47,293 INFO L226 Difference]: Without dead ends: 163698 [2021-01-06 18:49:47,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-01-06 18:49:47,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163698 states.