/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_spec4_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:53:33,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:53:33,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:53:33,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:53:33,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:53:33,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:53:33,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:53:33,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:53:33,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:53:33,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:53:33,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:53:33,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:53:33,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:53:33,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:53:33,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:53:33,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:53:33,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:53:33,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:53:33,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:53:33,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:53:33,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:53:33,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:53:33,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:53:33,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:53:33,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:53:33,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:53:33,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:53:33,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:53:33,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:53:33,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:53:33,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:53:33,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:53:33,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:53:33,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:53:33,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:53:33,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:53:33,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:53:33,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:53:33,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:53:33,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:53:33,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:53:33,764 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 18:53:33,810 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:53:33,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:53:33,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:53:33,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:53:33,816 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:53:33,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:53:33,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:53:33,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:53:33,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:53:33,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:53:33,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:53:33,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:53:33,819 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:53:33,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:53:33,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:53:33,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:53:33,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:53:33,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:53:33,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:53:33,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:53:33,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:53:33,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:53:33,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:53:33,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:53:33,821 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:53:33,821 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:53:34,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:53:34,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:53:34,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:53:34,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:53:34,308 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:53:34,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product25.cil.c [2021-01-06 18:53:34,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/49190a6c4/c7dca4ee3e614381ba85060f3460b871/FLAG04884cdb9 [2021-01-06 18:53:35,216 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:53:35,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product25.cil.c [2021-01-06 18:53:35,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/49190a6c4/c7dca4ee3e614381ba85060f3460b871/FLAG04884cdb9 [2021-01-06 18:53:35,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/49190a6c4/c7dca4ee3e614381ba85060f3460b871 [2021-01-06 18:53:35,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:53:35,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:53:35,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:53:35,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:53:35,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:53:35,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:53:35" (1/1) ... [2021-01-06 18:53:35,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d44f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:35, skipping insertion in model container [2021-01-06 18:53:35,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:53:35" (1/1) ... [2021-01-06 18:53:35,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:53:35,450 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] 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_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] 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_tmp9~0,] 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_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] 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_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] 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_tmp7~2,] 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[~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~2,] 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~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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_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~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] 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_13~1,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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~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_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] 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_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] 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___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] 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[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__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~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_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~19,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~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[~__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~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_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~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_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~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_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~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_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~20,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~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[~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[~__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~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_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~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_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] [2021-01-06 18:53:36,176 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_spec4_product25.cil.c[63252,63265] [2021-01-06 18:53:36,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:53:36,208 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] 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_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] 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_tmp9~0,] 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_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] 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_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] 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_tmp7~2,] 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[~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~2,] 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~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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_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~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] 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_13~1,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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~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_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] 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_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] 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___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] 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[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__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~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_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~19,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~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[~__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~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_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~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_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~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_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~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_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~20,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~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[~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[~__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~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_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~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_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] [2021-01-06 18:53:36,439 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_spec4_product25.cil.c[63252,63265] [2021-01-06 18:53:36,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:53:36,587 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:53:36,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:36 WrapperNode [2021-01-06 18:53:36,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:53:36,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:53:36,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:53:36,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:53:36,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:36" (1/1) ... [2021-01-06 18:53:36,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:36" (1/1) ... [2021-01-06 18:53:36,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:53:36,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:53:36,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:53:36,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:53:36,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:36" (1/1) ... [2021-01-06 18:53:36,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:36" (1/1) ... [2021-01-06 18:53:36,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:36" (1/1) ... [2021-01-06 18:53:36,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:36" (1/1) ... [2021-01-06 18:53:36,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:36" (1/1) ... [2021-01-06 18:53:37,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:36" (1/1) ... [2021-01-06 18:53:37,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:36" (1/1) ... [2021-01-06 18:53:37,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:53:37,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:53:37,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:53:37,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:53:37,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:36" (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 18:53:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:53:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:53:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:53:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:53:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:53:40,531 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:53:40,532 INFO L299 CfgBuilder]: Removed 621 assume(true) statements. [2021-01-06 18:53:40,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:53:40 BoogieIcfgContainer [2021-01-06 18:53:40,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:53:40,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:53:40,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:53:40,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:53:40,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:53:35" (1/3) ... [2021-01-06 18:53:40,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38fe8e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:53:40, skipping insertion in model container [2021-01-06 18:53:40,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:36" (2/3) ... [2021-01-06 18:53:40,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38fe8e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:53:40, skipping insertion in model container [2021-01-06 18:53:40,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:53:40" (3/3) ... [2021-01-06 18:53:40,549 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product25.cil.c [2021-01-06 18:53:40,556 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:53:40,562 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-06 18:53:40,581 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-06 18:53:40,618 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:53:40,618 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:53:40,619 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:53:40,619 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:53:40,619 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:53:40,619 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:53:40,619 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:53:40,619 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:53:40,653 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states. [2021-01-06 18:53:40,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-01-06 18:53:40,668 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:40,669 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] [2021-01-06 18:53:40,670 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:40,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:40,676 INFO L82 PathProgramCache]: Analyzing trace with hash 512171028, now seen corresponding path program 1 times [2021-01-06 18:53:40,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:40,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513067219] [2021-01-06 18:53:40,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:41,115 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 18:53:41,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513067219] [2021-01-06 18:53:41,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:41,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:53:41,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908437440] [2021-01-06 18:53:41,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:53:41,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:41,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:53:41,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:41,141 INFO L87 Difference]: Start difference. First operand 912 states. Second operand 3 states. [2021-01-06 18:53:41,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:41,343 INFO L93 Difference]: Finished difference Result 2701 states and 4646 transitions. [2021-01-06 18:53:41,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:53:41,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2021-01-06 18:53:41,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:41,391 INFO L225 Difference]: With dead ends: 2701 [2021-01-06 18:53:41,391 INFO L226 Difference]: Without dead ends: 1532 [2021-01-06 18:53:41,407 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 18:53:41,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2021-01-06 18:53:41,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 775. [2021-01-06 18:53:41,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2021-01-06 18:53:41,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1329 transitions. [2021-01-06 18:53:41,580 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1329 transitions. Word has length 43 [2021-01-06 18:53:41,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:41,581 INFO L481 AbstractCegarLoop]: Abstraction has 775 states and 1329 transitions. [2021-01-06 18:53:41,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:53:41,581 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1329 transitions. [2021-01-06 18:53:41,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-06 18:53:41,591 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:41,592 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] [2021-01-06 18:53:41,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:53:41,592 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:41,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:41,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1981187978, now seen corresponding path program 1 times [2021-01-06 18:53:41,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:41,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330557132] [2021-01-06 18:53:41,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:41,802 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 18:53:41,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330557132] [2021-01-06 18:53:41,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:41,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:53:41,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075331813] [2021-01-06 18:53:41,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:53:41,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:41,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:53:41,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:53:41,808 INFO L87 Difference]: Start difference. First operand 775 states and 1329 transitions. Second operand 5 states. [2021-01-06 18:53:42,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:42,073 INFO L93 Difference]: Finished difference Result 2274 states and 3903 transitions. [2021-01-06 18:53:42,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:53:42,074 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2021-01-06 18:53:42,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:42,086 INFO L225 Difference]: With dead ends: 2274 [2021-01-06 18:53:42,086 INFO L226 Difference]: Without dead ends: 1518 [2021-01-06 18:53:42,090 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 18:53:42,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2021-01-06 18:53:42,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 775. [2021-01-06 18:53:42,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2021-01-06 18:53:42,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1328 transitions. [2021-01-06 18:53:42,146 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1328 transitions. Word has length 45 [2021-01-06 18:53:42,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:42,147 INFO L481 AbstractCegarLoop]: Abstraction has 775 states and 1328 transitions. [2021-01-06 18:53:42,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:53:42,147 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1328 transitions. [2021-01-06 18:53:42,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-06 18:53:42,152 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:42,152 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] [2021-01-06 18:53:42,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:53:42,153 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:42,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:42,155 INFO L82 PathProgramCache]: Analyzing trace with hash -38005175, now seen corresponding path program 1 times [2021-01-06 18:53:42,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:42,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904586969] [2021-01-06 18:53:42,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:42,329 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 18:53:42,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904586969] [2021-01-06 18:53:42,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:42,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:53:42,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642805300] [2021-01-06 18:53:42,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:53:42,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:42,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:53:42,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:42,335 INFO L87 Difference]: Start difference. First operand 775 states and 1328 transitions. Second operand 3 states. [2021-01-06 18:53:42,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:42,433 INFO L93 Difference]: Finished difference Result 1532 states and 2630 transitions. [2021-01-06 18:53:42,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:53:42,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-01-06 18:53:42,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:42,439 INFO L225 Difference]: With dead ends: 1532 [2021-01-06 18:53:42,439 INFO L226 Difference]: Without dead ends: 780 [2021-01-06 18:53:42,441 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 18:53:42,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2021-01-06 18:53:42,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 775. [2021-01-06 18:53:42,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2021-01-06 18:53:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1327 transitions. [2021-01-06 18:53:42,488 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1327 transitions. Word has length 46 [2021-01-06 18:53:42,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:42,497 INFO L481 AbstractCegarLoop]: Abstraction has 775 states and 1327 transitions. [2021-01-06 18:53:42,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:53:42,497 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1327 transitions. [2021-01-06 18:53:42,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 18:53:42,499 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:42,499 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] [2021-01-06 18:53:42,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:53:42,499 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:42,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:42,500 INFO L82 PathProgramCache]: Analyzing trace with hash 62908227, now seen corresponding path program 1 times [2021-01-06 18:53:42,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:42,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789356953] [2021-01-06 18:53:42,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:42,629 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 18:53:42,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789356953] [2021-01-06 18:53:42,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:42,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:53:42,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776859461] [2021-01-06 18:53:42,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:53:42,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:42,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:53:42,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:42,634 INFO L87 Difference]: Start difference. First operand 775 states and 1327 transitions. Second operand 3 states. [2021-01-06 18:53:42,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:42,696 INFO L93 Difference]: Finished difference Result 1542 states and 2643 transitions. [2021-01-06 18:53:42,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:53:42,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2021-01-06 18:53:42,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:42,701 INFO L225 Difference]: With dead ends: 1542 [2021-01-06 18:53:42,701 INFO L226 Difference]: Without dead ends: 775 [2021-01-06 18:53:42,704 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 18:53:42,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2021-01-06 18:53:42,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 775. [2021-01-06 18:53:42,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2021-01-06 18:53:42,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1325 transitions. [2021-01-06 18:53:42,744 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1325 transitions. Word has length 47 [2021-01-06 18:53:42,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:42,745 INFO L481 AbstractCegarLoop]: Abstraction has 775 states and 1325 transitions. [2021-01-06 18:53:42,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:53:42,745 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1325 transitions. [2021-01-06 18:53:42,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 18:53:42,746 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:42,746 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] [2021-01-06 18:53:42,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:53:42,747 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:42,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:42,747 INFO L82 PathProgramCache]: Analyzing trace with hash 650256078, now seen corresponding path program 1 times [2021-01-06 18:53:42,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:42,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065407720] [2021-01-06 18:53:42,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:42,861 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 18:53:42,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065407720] [2021-01-06 18:53:42,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:42,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:53:42,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360069487] [2021-01-06 18:53:42,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:53:42,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:42,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:53:42,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:53:42,864 INFO L87 Difference]: Start difference. First operand 775 states and 1325 transitions. Second operand 5 states. [2021-01-06 18:53:43,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:43,101 INFO L93 Difference]: Finished difference Result 2264 states and 3883 transitions. [2021-01-06 18:53:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:53:43,102 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2021-01-06 18:53:43,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:43,113 INFO L225 Difference]: With dead ends: 2264 [2021-01-06 18:53:43,113 INFO L226 Difference]: Without dead ends: 1516 [2021-01-06 18:53:43,116 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 18:53:43,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2021-01-06 18:53:43,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 775. [2021-01-06 18:53:43,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2021-01-06 18:53:43,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1324 transitions. [2021-01-06 18:53:43,173 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1324 transitions. Word has length 48 [2021-01-06 18:53:43,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:43,173 INFO L481 AbstractCegarLoop]: Abstraction has 775 states and 1324 transitions. [2021-01-06 18:53:43,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:53:43,173 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1324 transitions. [2021-01-06 18:53:43,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 18:53:43,176 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:43,177 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] [2021-01-06 18:53:43,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:53:43,177 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:43,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:43,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1559635189, now seen corresponding path program 1 times [2021-01-06 18:53:43,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:43,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283747095] [2021-01-06 18:53:43,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:43,348 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 18:53:43,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283747095] [2021-01-06 18:53:43,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:43,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:53:43,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663048808] [2021-01-06 18:53:43,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:53:43,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:43,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:53:43,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:53:43,352 INFO L87 Difference]: Start difference. First operand 775 states and 1324 transitions. Second operand 5 states. [2021-01-06 18:53:43,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:43,599 INFO L93 Difference]: Finished difference Result 2269 states and 3888 transitions. [2021-01-06 18:53:43,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:53:43,600 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2021-01-06 18:53:43,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:43,610 INFO L225 Difference]: With dead ends: 2269 [2021-01-06 18:53:43,610 INFO L226 Difference]: Without dead ends: 1521 [2021-01-06 18:53:43,613 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 18:53:43,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2021-01-06 18:53:43,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 775. [2021-01-06 18:53:43,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2021-01-06 18:53:43,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1323 transitions. [2021-01-06 18:53:43,681 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1323 transitions. Word has length 49 [2021-01-06 18:53:43,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:43,682 INFO L481 AbstractCegarLoop]: Abstraction has 775 states and 1323 transitions. [2021-01-06 18:53:43,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:53:43,682 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1323 transitions. [2021-01-06 18:53:43,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 18:53:43,683 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:43,683 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] [2021-01-06 18:53:43,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:53:43,685 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:43,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:43,690 INFO L82 PathProgramCache]: Analyzing trace with hash 2118720755, now seen corresponding path program 1 times [2021-01-06 18:53:43,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:43,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291229640] [2021-01-06 18:53:43,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:43,780 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 18:53:43,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291229640] [2021-01-06 18:53:43,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:43,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:53:43,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974617033] [2021-01-06 18:53:43,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:53:43,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:43,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:53:43,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:43,783 INFO L87 Difference]: Start difference. First operand 775 states and 1323 transitions. Second operand 3 states. [2021-01-06 18:53:43,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:43,855 INFO L93 Difference]: Finished difference Result 1269 states and 2140 transitions. [2021-01-06 18:53:43,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:53:43,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2021-01-06 18:53:43,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:43,861 INFO L225 Difference]: With dead ends: 1269 [2021-01-06 18:53:43,861 INFO L226 Difference]: Without dead ends: 778 [2021-01-06 18:53:43,863 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 18:53:43,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2021-01-06 18:53:43,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 777. [2021-01-06 18:53:43,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 777 states. [2021-01-06 18:53:43,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1325 transitions. [2021-01-06 18:53:43,917 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1325 transitions. Word has length 50 [2021-01-06 18:53:43,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:43,919 INFO L481 AbstractCegarLoop]: Abstraction has 777 states and 1325 transitions. [2021-01-06 18:53:43,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:53:43,919 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1325 transitions. [2021-01-06 18:53:43,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 18:53:43,920 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:43,920 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] [2021-01-06 18:53:43,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:53:43,921 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:43,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:43,921 INFO L82 PathProgramCache]: Analyzing trace with hash -866368715, now seen corresponding path program 1 times [2021-01-06 18:53:43,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:43,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493325037] [2021-01-06 18:53:43,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:44,032 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 18:53:44,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493325037] [2021-01-06 18:53:44,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:44,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:53:44,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519061652] [2021-01-06 18:53:44,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:53:44,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:44,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:53:44,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:44,035 INFO L87 Difference]: Start difference. First operand 777 states and 1325 transitions. Second operand 3 states. [2021-01-06 18:53:44,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:44,207 INFO L93 Difference]: Finished difference Result 2217 states and 3799 transitions. [2021-01-06 18:53:44,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:53:44,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2021-01-06 18:53:44,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:44,219 INFO L225 Difference]: With dead ends: 2217 [2021-01-06 18:53:44,219 INFO L226 Difference]: Without dead ends: 1471 [2021-01-06 18:53:44,222 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 18:53:44,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2021-01-06 18:53:44,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 980. [2021-01-06 18:53:44,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2021-01-06 18:53:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1700 transitions. [2021-01-06 18:53:44,311 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1700 transitions. Word has length 56 [2021-01-06 18:53:44,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:44,311 INFO L481 AbstractCegarLoop]: Abstraction has 980 states and 1700 transitions. [2021-01-06 18:53:44,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:53:44,312 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1700 transitions. [2021-01-06 18:53:44,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 18:53:44,313 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:44,313 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] [2021-01-06 18:53:44,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:53:44,314 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:44,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:44,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1318597686, now seen corresponding path program 1 times [2021-01-06 18:53:44,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:44,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246412678] [2021-01-06 18:53:44,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:44,410 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 18:53:44,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246412678] [2021-01-06 18:53:44,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289362344] [2021-01-06 18:53:44,411 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 18:53:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:44,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:53:44,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:53:44,994 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 18:53:44,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:53:44,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:53:44,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185002001] [2021-01-06 18:53:44,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:53:44,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:44,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:53:44,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:53:44,996 INFO L87 Difference]: Start difference. First operand 980 states and 1700 transitions. Second operand 5 states. [2021-01-06 18:53:45,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:45,136 INFO L93 Difference]: Finished difference Result 2221 states and 3802 transitions. [2021-01-06 18:53:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:53:45,136 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2021-01-06 18:53:45,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:45,147 INFO L225 Difference]: With dead ends: 2221 [2021-01-06 18:53:45,147 INFO L226 Difference]: Without dead ends: 1730 [2021-01-06 18:53:45,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 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 18:53:45,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2021-01-06 18:53:45,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1237. [2021-01-06 18:53:45,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1237 states. [2021-01-06 18:53:45,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1237 states and 2172 transitions. [2021-01-06 18:53:45,265 INFO L78 Accepts]: Start accepts. Automaton has 1237 states and 2172 transitions. Word has length 57 [2021-01-06 18:53:45,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:45,265 INFO L481 AbstractCegarLoop]: Abstraction has 1237 states and 2172 transitions. [2021-01-06 18:53:45,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:53:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 2172 transitions. [2021-01-06 18:53:45,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-01-06 18:53:45,268 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:45,268 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:53:45,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-06 18:53:45,482 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:45,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:45,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1546640253, now seen corresponding path program 1 times [2021-01-06 18:53:45,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:45,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888897289] [2021-01-06 18:53:45,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:45,548 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 18:53:45,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888897289] [2021-01-06 18:53:45,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:45,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:53:45,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019429963] [2021-01-06 18:53:45,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:53:45,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:45,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:53:45,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:45,551 INFO L87 Difference]: Start difference. First operand 1237 states and 2172 transitions. Second operand 3 states. [2021-01-06 18:53:45,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:45,693 INFO L93 Difference]: Finished difference Result 3334 states and 5858 transitions. [2021-01-06 18:53:45,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:53:45,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2021-01-06 18:53:45,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:45,708 INFO L225 Difference]: With dead ends: 3334 [2021-01-06 18:53:45,708 INFO L226 Difference]: Without dead ends: 2186 [2021-01-06 18:53:45,711 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 18:53:45,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2186 states. [2021-01-06 18:53:45,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2186 to 1695. [2021-01-06 18:53:45,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1695 states. [2021-01-06 18:53:45,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 3014 transitions. [2021-01-06 18:53:45,831 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 3014 transitions. Word has length 63 [2021-01-06 18:53:45,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:45,831 INFO L481 AbstractCegarLoop]: Abstraction has 1695 states and 3014 transitions. [2021-01-06 18:53:45,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:53:45,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 3014 transitions. [2021-01-06 18:53:45,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 18:53:45,834 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:45,835 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] [2021-01-06 18:53:45,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:53:45,835 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:45,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:45,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1033897069, now seen corresponding path program 2 times [2021-01-06 18:53:45,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:45,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998452817] [2021-01-06 18:53:45,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:45,903 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 18:53:45,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998452817] [2021-01-06 18:53:45,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:45,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:53:45,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705375470] [2021-01-06 18:53:45,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:53:45,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:45,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:53:45,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:45,906 INFO L87 Difference]: Start difference. First operand 1695 states and 3014 transitions. Second operand 3 states. [2021-01-06 18:53:46,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:46,053 INFO L93 Difference]: Finished difference Result 3591 states and 6328 transitions. [2021-01-06 18:53:46,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:53:46,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2021-01-06 18:53:46,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:46,068 INFO L225 Difference]: With dead ends: 3591 [2021-01-06 18:53:46,068 INFO L226 Difference]: Without dead ends: 2186 [2021-01-06 18:53:46,071 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 18:53:46,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2186 states. [2021-01-06 18:53:46,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2186 to 1695. [2021-01-06 18:53:46,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1695 states. [2021-01-06 18:53:46,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 3012 transitions. [2021-01-06 18:53:46,210 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 3012 transitions. Word has length 64 [2021-01-06 18:53:46,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:46,210 INFO L481 AbstractCegarLoop]: Abstraction has 1695 states and 3012 transitions. [2021-01-06 18:53:46,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:53:46,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 3012 transitions. [2021-01-06 18:53:46,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 18:53:46,213 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:46,213 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 18:53:46,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 18:53:46,214 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:46,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:46,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1377881684, now seen corresponding path program 1 times [2021-01-06 18:53:46,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:46,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634066528] [2021-01-06 18:53:46,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:46,280 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 18:53:46,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634066528] [2021-01-06 18:53:46,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:46,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:53:46,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998573230] [2021-01-06 18:53:46,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:53:46,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:46,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:53:46,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:46,283 INFO L87 Difference]: Start difference. First operand 1695 states and 3012 transitions. Second operand 3 states. [2021-01-06 18:53:46,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:46,462 INFO L93 Difference]: Finished difference Result 4680 states and 8333 transitions. [2021-01-06 18:53:46,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:53:46,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2021-01-06 18:53:46,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:46,482 INFO L225 Difference]: With dead ends: 4680 [2021-01-06 18:53:46,482 INFO L226 Difference]: Without dead ends: 3082 [2021-01-06 18:53:46,486 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 18:53:46,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3082 states. [2021-01-06 18:53:46,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3082 to 2591. [2021-01-06 18:53:46,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2591 states. [2021-01-06 18:53:46,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2591 states and 4659 transitions. [2021-01-06 18:53:46,654 INFO L78 Accepts]: Start accepts. Automaton has 2591 states and 4659 transitions. Word has length 64 [2021-01-06 18:53:46,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:46,654 INFO L481 AbstractCegarLoop]: Abstraction has 2591 states and 4659 transitions. [2021-01-06 18:53:46,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:53:46,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 4659 transitions. [2021-01-06 18:53:46,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 18:53:46,659 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:46,659 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 18:53:46,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:53:46,660 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:46,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:46,661 INFO L82 PathProgramCache]: Analyzing trace with hash -687700607, now seen corresponding path program 1 times [2021-01-06 18:53:46,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:46,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049136779] [2021-01-06 18:53:46,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:46,731 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 18:53:46,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049136779] [2021-01-06 18:53:46,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:46,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:53:46,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048779413] [2021-01-06 18:53:46,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:53:46,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:46,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:53:46,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:46,734 INFO L87 Difference]: Start difference. First operand 2591 states and 4659 transitions. Second operand 3 states. [2021-01-06 18:53:47,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:47,030 INFO L93 Difference]: Finished difference Result 7104 states and 12793 transitions. [2021-01-06 18:53:47,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:53:47,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2021-01-06 18:53:47,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:47,060 INFO L225 Difference]: With dead ends: 7104 [2021-01-06 18:53:47,060 INFO L226 Difference]: Without dead ends: 4644 [2021-01-06 18:53:47,066 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 18:53:47,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4644 states. [2021-01-06 18:53:47,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4644 to 4153. [2021-01-06 18:53:47,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4153 states. [2021-01-06 18:53:47,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4153 states to 4153 states and 7528 transitions. [2021-01-06 18:53:47,327 INFO L78 Accepts]: Start accepts. Automaton has 4153 states and 7528 transitions. Word has length 65 [2021-01-06 18:53:47,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:47,327 INFO L481 AbstractCegarLoop]: Abstraction has 4153 states and 7528 transitions. [2021-01-06 18:53:47,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:53:47,327 INFO L276 IsEmpty]: Start isEmpty. Operand 4153 states and 7528 transitions. [2021-01-06 18:53:47,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 18:53:47,332 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:47,333 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 18:53:47,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:53:47,333 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:47,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:47,333 INFO L82 PathProgramCache]: Analyzing trace with hash 956745635, now seen corresponding path program 1 times [2021-01-06 18:53:47,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:47,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279514477] [2021-01-06 18:53:47,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:47,397 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 18:53:47,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279514477] [2021-01-06 18:53:47,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:47,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:53:47,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640120378] [2021-01-06 18:53:47,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:53:47,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:47,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:53:47,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:47,399 INFO L87 Difference]: Start difference. First operand 4153 states and 7528 transitions. Second operand 3 states. [2021-01-06 18:53:47,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:47,821 INFO L93 Difference]: Finished difference Result 11506 states and 20883 transitions. [2021-01-06 18:53:47,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:53:47,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2021-01-06 18:53:47,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:47,846 INFO L225 Difference]: With dead ends: 11506 [2021-01-06 18:53:47,846 INFO L226 Difference]: Without dead ends: 7518 [2021-01-06 18:53:47,855 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 18:53:47,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7518 states. [2021-01-06 18:53:48,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7518 to 7027. [2021-01-06 18:53:48,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7027 states. [2021-01-06 18:53:48,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7027 states to 7027 states and 12801 transitions. [2021-01-06 18:53:48,329 INFO L78 Accepts]: Start accepts. Automaton has 7027 states and 12801 transitions. Word has length 66 [2021-01-06 18:53:48,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:48,329 INFO L481 AbstractCegarLoop]: Abstraction has 7027 states and 12801 transitions. [2021-01-06 18:53:48,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:53:48,329 INFO L276 IsEmpty]: Start isEmpty. Operand 7027 states and 12801 transitions. [2021-01-06 18:53:48,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:53:48,335 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:48,335 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] [2021-01-06 18:53:48,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:53:48,335 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:48,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:48,336 INFO L82 PathProgramCache]: Analyzing trace with hash 2082857919, now seen corresponding path program 1 times [2021-01-06 18:53:48,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:48,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853880321] [2021-01-06 18:53:48,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:48,422 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 18:53:48,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853880321] [2021-01-06 18:53:48,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:48,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:53:48,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344454121] [2021-01-06 18:53:48,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:53:48,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:48,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:53:48,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:53:48,425 INFO L87 Difference]: Start difference. First operand 7027 states and 12801 transitions. Second operand 5 states. [2021-01-06 18:53:49,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:49,283 INFO L93 Difference]: Finished difference Result 20214 states and 36856 transitions. [2021-01-06 18:53:49,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:53:49,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2021-01-06 18:53:49,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:49,327 INFO L225 Difference]: With dead ends: 20214 [2021-01-06 18:53:49,327 INFO L226 Difference]: Without dead ends: 13477 [2021-01-06 18:53:49,340 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 18:53:49,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13477 states. [2021-01-06 18:53:49,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13477 to 7027. [2021-01-06 18:53:49,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7027 states. [2021-01-06 18:53:49,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7027 states to 7027 states and 12751 transitions. [2021-01-06 18:53:49,767 INFO L78 Accepts]: Start accepts. Automaton has 7027 states and 12751 transitions. Word has length 67 [2021-01-06 18:53:49,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:49,810 INFO L481 AbstractCegarLoop]: Abstraction has 7027 states and 12751 transitions. [2021-01-06 18:53:49,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:53:49,811 INFO L276 IsEmpty]: Start isEmpty. Operand 7027 states and 12751 transitions. [2021-01-06 18:53:49,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:53:49,816 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:49,816 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 18:53:49,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:53:49,816 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:49,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:49,817 INFO L82 PathProgramCache]: Analyzing trace with hash -938373968, now seen corresponding path program 1 times [2021-01-06 18:53:49,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:49,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281066263] [2021-01-06 18:53:49,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:49,887 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 18:53:49,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281066263] [2021-01-06 18:53:49,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:49,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:53:49,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42366600] [2021-01-06 18:53:49,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:53:49,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:49,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:53:49,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:49,889 INFO L87 Difference]: Start difference. First operand 7027 states and 12751 transitions. Second operand 3 states. [2021-01-06 18:53:50,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:50,619 INFO L93 Difference]: Finished difference Result 20454 states and 37166 transitions. [2021-01-06 18:53:50,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:53:50,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2021-01-06 18:53:50,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:50,659 INFO L225 Difference]: With dead ends: 20454 [2021-01-06 18:53:50,660 INFO L226 Difference]: Without dead ends: 13600 [2021-01-06 18:53:50,671 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 18:53:50,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13600 states. [2021-01-06 18:53:51,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13600 to 13109. [2021-01-06 18:53:51,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13109 states. [2021-01-06 18:53:51,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13109 states to 13109 states and 23856 transitions. [2021-01-06 18:53:51,453 INFO L78 Accepts]: Start accepts. Automaton has 13109 states and 23856 transitions. Word has length 67 [2021-01-06 18:53:51,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:51,454 INFO L481 AbstractCegarLoop]: Abstraction has 13109 states and 23856 transitions. [2021-01-06 18:53:51,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:53:51,454 INFO L276 IsEmpty]: Start isEmpty. Operand 13109 states and 23856 transitions. [2021-01-06 18:53:51,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:53:51,461 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:51,461 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] [2021-01-06 18:53:51,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:53:51,461 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:51,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:51,462 INFO L82 PathProgramCache]: Analyzing trace with hash 492878820, now seen corresponding path program 1 times [2021-01-06 18:53:51,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:51,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287979847] [2021-01-06 18:53:51,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:51,562 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 18:53:51,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287979847] [2021-01-06 18:53:51,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:51,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:53:51,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817473553] [2021-01-06 18:53:51,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:53:51,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:51,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:53:51,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:53:51,565 INFO L87 Difference]: Start difference. First operand 13109 states and 23856 transitions. Second operand 5 states. [2021-01-06 18:53:52,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:52,718 INFO L93 Difference]: Finished difference Result 16124 states and 28865 transitions. [2021-01-06 18:53:52,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:53:52,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2021-01-06 18:53:52,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:52,762 INFO L225 Difference]: With dead ends: 16124 [2021-01-06 18:53:52,762 INFO L226 Difference]: Without dead ends: 15691 [2021-01-06 18:53:52,769 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 18:53:52,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15691 states. [2021-01-06 18:53:53,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15691 to 13573. [2021-01-06 18:53:53,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13573 states. [2021-01-06 18:53:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13573 states to 13573 states and 24626 transitions. [2021-01-06 18:53:53,498 INFO L78 Accepts]: Start accepts. Automaton has 13573 states and 24626 transitions. Word has length 68 [2021-01-06 18:53:53,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:53,499 INFO L481 AbstractCegarLoop]: Abstraction has 13573 states and 24626 transitions. [2021-01-06 18:53:53,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:53:53,499 INFO L276 IsEmpty]: Start isEmpty. Operand 13573 states and 24626 transitions. [2021-01-06 18:53:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:53:53,507 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:53,507 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] [2021-01-06 18:53:53,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:53:53,508 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:53,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:53,508 INFO L82 PathProgramCache]: Analyzing trace with hash -2054095428, now seen corresponding path program 1 times [2021-01-06 18:53:53,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:53,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305784030] [2021-01-06 18:53:53,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:53,621 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 18:53:53,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305784030] [2021-01-06 18:53:53,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:53,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:53:53,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235079332] [2021-01-06 18:53:53,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:53:53,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:53,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:53:53,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:53:53,623 INFO L87 Difference]: Start difference. First operand 13573 states and 24626 transitions. Second operand 8 states. [2021-01-06 18:53:54,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:54,620 INFO L93 Difference]: Finished difference Result 15085 states and 27121 transitions. [2021-01-06 18:53:54,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 18:53:54,621 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2021-01-06 18:53:54,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:54,658 INFO L225 Difference]: With dead ends: 15085 [2021-01-06 18:53:54,658 INFO L226 Difference]: Without dead ends: 14235 [2021-01-06 18:53:54,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2021-01-06 18:53:54,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14235 states. [2021-01-06 18:53:55,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14235 to 13540. [2021-01-06 18:53:55,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13540 states. [2021-01-06 18:53:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13540 states to 13540 states and 24566 transitions. [2021-01-06 18:53:55,547 INFO L78 Accepts]: Start accepts. Automaton has 13540 states and 24566 transitions. Word has length 69 [2021-01-06 18:53:55,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:55,548 INFO L481 AbstractCegarLoop]: Abstraction has 13540 states and 24566 transitions. [2021-01-06 18:53:55,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:53:55,548 INFO L276 IsEmpty]: Start isEmpty. Operand 13540 states and 24566 transitions. [2021-01-06 18:53:55,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:53:55,558 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:55,558 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] [2021-01-06 18:53:55,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:53:55,559 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:55,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:55,559 INFO L82 PathProgramCache]: Analyzing trace with hash -394257466, now seen corresponding path program 1 times [2021-01-06 18:53:55,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:55,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132578912] [2021-01-06 18:53:55,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:53:55,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132578912] [2021-01-06 18:53:55,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584641537] [2021-01-06 18:53:55,666 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:53:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:56,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 18:53:56,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:53:56,258 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:53:56,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:53:56,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-01-06 18:53:56,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248395759] [2021-01-06 18:53:56,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:53:56,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:56,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:53:56,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:53:56,261 INFO L87 Difference]: Start difference. First operand 13540 states and 24566 transitions. Second operand 6 states. [2021-01-06 18:53:57,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:57,321 INFO L93 Difference]: Finished difference Result 18018 states and 32226 transitions. [2021-01-06 18:53:57,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:53:57,322 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2021-01-06 18:53:57,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:57,361 INFO L225 Difference]: With dead ends: 18018 [2021-01-06 18:53:57,361 INFO L226 Difference]: Without dead ends: 17096 [2021-01-06 18:53:57,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:53:57,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17096 states. [2021-01-06 18:53:58,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17096 to 15230. [2021-01-06 18:53:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15230 states. [2021-01-06 18:53:58,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15230 states to 15230 states and 27613 transitions. [2021-01-06 18:53:58,064 INFO L78 Accepts]: Start accepts. Automaton has 15230 states and 27613 transitions. Word has length 71 [2021-01-06 18:53:58,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:53:58,064 INFO L481 AbstractCegarLoop]: Abstraction has 15230 states and 27613 transitions. [2021-01-06 18:53:58,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:53:58,064 INFO L276 IsEmpty]: Start isEmpty. Operand 15230 states and 27613 transitions. [2021-01-06 18:53:58,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:53:58,075 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:53:58,075 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] [2021-01-06 18:53:58,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:53:58,289 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:53:58,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:53:58,290 INFO L82 PathProgramCache]: Analyzing trace with hash -613203658, now seen corresponding path program 1 times [2021-01-06 18:53:58,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:53:58,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982096745] [2021-01-06 18:53:58,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:53:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:53:58,362 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 18:53:58,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982096745] [2021-01-06 18:53:58,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:53:58,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:53:58,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961072301] [2021-01-06 18:53:58,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:53:58,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:53:58,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:53:58,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:53:58,365 INFO L87 Difference]: Start difference. First operand 15230 states and 27613 transitions. Second operand 3 states. [2021-01-06 18:53:59,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:53:59,288 INFO L93 Difference]: Finished difference Result 42732 states and 77654 transitions. [2021-01-06 18:53:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:53:59,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2021-01-06 18:53:59,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:53:59,358 INFO L225 Difference]: With dead ends: 42732 [2021-01-06 18:53:59,358 INFO L226 Difference]: Without dead ends: 28416 [2021-01-06 18:53:59,384 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 18:53:59,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28416 states. [2021-01-06 18:54:00,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28416 to 27494. [2021-01-06 18:54:00,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27494 states. [2021-01-06 18:54:00,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27494 states to 27494 states and 50026 transitions. [2021-01-06 18:54:00,949 INFO L78 Accepts]: Start accepts. Automaton has 27494 states and 50026 transitions. Word has length 71 [2021-01-06 18:54:00,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:00,949 INFO L481 AbstractCegarLoop]: Abstraction has 27494 states and 50026 transitions. [2021-01-06 18:54:00,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:00,949 INFO L276 IsEmpty]: Start isEmpty. Operand 27494 states and 50026 transitions. [2021-01-06 18:54:00,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:54:00,960 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:00,960 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] [2021-01-06 18:54:00,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:54:00,961 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:54:00,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:00,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1083200169, now seen corresponding path program 1 times [2021-01-06 18:54:00,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:00,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686952204] [2021-01-06 18:54:00,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:01,211 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 18:54:01,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686952204] [2021-01-06 18:54:01,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:01,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:01,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556207381] [2021-01-06 18:54:01,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:01,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:01,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:01,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:01,217 INFO L87 Difference]: Start difference. First operand 27494 states and 50026 transitions. Second operand 3 states. [2021-01-06 18:54:02,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:02,813 INFO L93 Difference]: Finished difference Result 73404 states and 133184 transitions. [2021-01-06 18:54:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:02,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2021-01-06 18:54:02,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:02,939 INFO L225 Difference]: With dead ends: 73404 [2021-01-06 18:54:02,939 INFO L226 Difference]: Without dead ends: 47331 [2021-01-06 18:54:02,980 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 18:54:03,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47331 states. [2021-01-06 18:54:05,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47331 to 46409. [2021-01-06 18:54:05,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46409 states. [2021-01-06 18:54:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46409 states to 46409 states and 84011 transitions. [2021-01-06 18:54:05,145 INFO L78 Accepts]: Start accepts. Automaton has 46409 states and 84011 transitions. Word has length 72 [2021-01-06 18:54:05,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:05,145 INFO L481 AbstractCegarLoop]: Abstraction has 46409 states and 84011 transitions. [2021-01-06 18:54:05,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:05,145 INFO L276 IsEmpty]: Start isEmpty. Operand 46409 states and 84011 transitions. [2021-01-06 18:54:05,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 18:54:05,159 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:05,159 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] [2021-01-06 18:54:05,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:54:05,159 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:54:05,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:05,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1119525368, now seen corresponding path program 1 times [2021-01-06 18:54:05,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:05,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218900396] [2021-01-06 18:54:05,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:05,235 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 18:54:05,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218900396] [2021-01-06 18:54:05,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:05,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:05,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062342182] [2021-01-06 18:54:05,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:05,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:05,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:05,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:05,238 INFO L87 Difference]: Start difference. First operand 46409 states and 84011 transitions. Second operand 3 states. [2021-01-06 18:54:08,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:08,429 INFO L93 Difference]: Finished difference Result 127190 states and 230156 transitions. [2021-01-06 18:54:08,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:08,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2021-01-06 18:54:08,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:08,592 INFO L225 Difference]: With dead ends: 127190 [2021-01-06 18:54:08,593 INFO L226 Difference]: Without dead ends: 82645 [2021-01-06 18:54:08,643 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 18:54:08,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82645 states. [2021-01-06 18:54:12,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82645 to 81723. [2021-01-06 18:54:12,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81723 states. [2021-01-06 18:54:12,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81723 states to 81723 states and 147655 transitions. [2021-01-06 18:54:12,207 INFO L78 Accepts]: Start accepts. Automaton has 81723 states and 147655 transitions. Word has length 73 [2021-01-06 18:54:12,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:12,208 INFO L481 AbstractCegarLoop]: Abstraction has 81723 states and 147655 transitions. [2021-01-06 18:54:12,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:12,208 INFO L276 IsEmpty]: Start isEmpty. Operand 81723 states and 147655 transitions. [2021-01-06 18:54:12,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:54:12,220 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:12,220 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] [2021-01-06 18:54:12,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:54:12,220 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:54:12,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:12,221 INFO L82 PathProgramCache]: Analyzing trace with hash 435312754, now seen corresponding path program 1 times [2021-01-06 18:54:12,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:12,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310046926] [2021-01-06 18:54:12,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:12,277 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 18:54:12,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310046926] [2021-01-06 18:54:12,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:12,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:12,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415818651] [2021-01-06 18:54:12,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:12,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:12,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:12,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:12,280 INFO L87 Difference]: Start difference. First operand 81723 states and 147655 transitions. Second operand 3 states. [2021-01-06 18:54:18,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:18,002 INFO L93 Difference]: Finished difference Result 238032 states and 430258 transitions. [2021-01-06 18:54:18,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:18,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2021-01-06 18:54:18,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:18,404 INFO L225 Difference]: With dead ends: 238032 [2021-01-06 18:54:18,405 INFO L226 Difference]: Without dead ends: 158435 [2021-01-06 18:54:18,489 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 18:54:18,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158435 states. [2021-01-06 18:54:25,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158435 to 157513. [2021-01-06 18:54:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157513 states. [2021-01-06 18:54:25,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157513 states to 157513 states and 284307 transitions. [2021-01-06 18:54:25,696 INFO L78 Accepts]: Start accepts. Automaton has 157513 states and 284307 transitions. Word has length 74 [2021-01-06 18:54:25,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:25,696 INFO L481 AbstractCegarLoop]: Abstraction has 157513 states and 284307 transitions. [2021-01-06 18:54:25,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:25,696 INFO L276 IsEmpty]: Start isEmpty. Operand 157513 states and 284307 transitions. [2021-01-06 18:54:25,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 18:54:25,710 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:25,711 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] [2021-01-06 18:54:25,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:54:25,711 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:54:25,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:25,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1523344887, now seen corresponding path program 1 times [2021-01-06 18:54:25,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:25,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347816887] [2021-01-06 18:54:25,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:25,784 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 18:54:25,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347816887] [2021-01-06 18:54:25,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:25,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:25,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577536501] [2021-01-06 18:54:25,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:25,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:25,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:25,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:25,786 INFO L87 Difference]: Start difference. First operand 157513 states and 284307 transitions. Second operand 3 states. [2021-01-06 18:54:34,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:34,622 INFO L93 Difference]: Finished difference Result 281449 states and 506902 transitions. [2021-01-06 18:54:34,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:34,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2021-01-06 18:54:34,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:35,331 INFO L225 Difference]: With dead ends: 281449 [2021-01-06 18:54:35,331 INFO L226 Difference]: Without dead ends: 280527 [2021-01-06 18:54:35,418 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 18:54:35,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280527 states. [2021-01-06 18:54:46,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280527 to 279605. [2021-01-06 18:54:46,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279605 states. [2021-01-06 18:54:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279605 states to 279605 states and 502820 transitions. [2021-01-06 18:54:47,442 INFO L78 Accepts]: Start accepts. Automaton has 279605 states and 502820 transitions. Word has length 75 [2021-01-06 18:54:47,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:47,443 INFO L481 AbstractCegarLoop]: Abstraction has 279605 states and 502820 transitions. [2021-01-06 18:54:47,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:47,443 INFO L276 IsEmpty]: Start isEmpty. Operand 279605 states and 502820 transitions. [2021-01-06 18:54:47,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:54:47,457 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:47,458 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] [2021-01-06 18:54:47,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:54:47,458 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:54:47,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:47,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1764558880, now seen corresponding path program 1 times [2021-01-06 18:54:47,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:47,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332272887] [2021-01-06 18:54:47,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:47,668 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 18:54:47,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332272887] [2021-01-06 18:54:47,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:47,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 18:54:47,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728942359] [2021-01-06 18:54:47,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:54:47,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:47,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:54:47,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:54:47,671 INFO L87 Difference]: Start difference. First operand 279605 states and 502820 transitions. Second operand 6 states. [2021-01-06 18:55:21,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:21,798 INFO L93 Difference]: Finished difference Result 1085022 states and 1956509 transitions. [2021-01-06 18:55:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-06 18:55:21,799 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 76 [2021-01-06 18:55:21,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:25,556 INFO L225 Difference]: With dead ends: 1085022 [2021-01-06 18:55:25,557 INFO L226 Difference]: Without dead ends: 1085002 [2021-01-06 18:55:25,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-01-06 18:55:28,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085002 states. [2021-01-06 18:56:03,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085002 to 559188. [2021-01-06 18:56:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559188 states. [2021-01-06 18:56:06,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559188 states to 559188 states and 1005613 transitions. [2021-01-06 18:56:06,235 INFO L78 Accepts]: Start accepts. Automaton has 559188 states and 1005613 transitions. Word has length 76 [2021-01-06 18:56:06,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:06,236 INFO L481 AbstractCegarLoop]: Abstraction has 559188 states and 1005613 transitions. [2021-01-06 18:56:06,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:56:06,236 INFO L276 IsEmpty]: Start isEmpty. Operand 559188 states and 1005613 transitions. [2021-01-06 18:56:06,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:56:06,281 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:06,281 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] [2021-01-06 18:56:06,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:56:06,281 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:06,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:06,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1134827971, now seen corresponding path program 1 times [2021-01-06 18:56:06,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:06,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524875900] [2021-01-06 18:56:06,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:06,442 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 18:56:06,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524875900] [2021-01-06 18:56:06,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:06,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:56:06,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019460841] [2021-01-06 18:56:06,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:56:06,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:06,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:56:06,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:56:06,444 INFO L87 Difference]: Start difference. First operand 559188 states and 1005613 transitions. Second operand 9 states. [2021-01-06 18:56:29,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:29,680 INFO L93 Difference]: Finished difference Result 561588 states and 1009589 transitions. [2021-01-06 18:56:29,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-06 18:56:29,681 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 77 [2021-01-06 18:56:29,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:31,459 INFO L225 Difference]: With dead ends: 561588 [2021-01-06 18:56:31,459 INFO L226 Difference]: Without dead ends: 559772 [2021-01-06 18:56:31,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2021-01-06 18:56:32,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559772 states.