/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf -i ../../../trunk/examples/svcomp/seq-pthread/cs_stateful-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 01:03:06,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 01:03:06,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 01:03:06,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-11 01:03:06,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 01:03:06,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 01:03:06,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 01:03:06,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 01:03:06,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 01:03:06,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 01:03:06,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 01:03:06,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 01:03:06,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 01:03:06,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 01:03:06,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 01:03:06,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 01:03:06,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-11 01:03:06,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 01:03:06,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 01:03:06,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 01:03:06,929 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf [2022-01-11 01:03:06,958 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 01:03:06,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 01:03:06,959 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 01:03:06,959 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 01:03:06,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 01:03:06,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 01:03:06,960 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 01:03:06,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 01:03:06,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 01:03:06,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 01:03:06,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 01:03:06,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 01:03:06,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 01:03:06,961 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 01:03:06,961 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 01:03:06,962 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 01:03:06,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 01:03:06,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 01:03:06,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 01:03:06,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 01:03:06,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 01:03:06,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 01:03:06,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 01:03:06,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 01:03:06,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 01:03:06,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 01:03:06,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 01:03:06,963 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 01:03:06,963 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 01:03:06,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 01:03:06,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 01:03:06,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 01:03:06,965 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 01:03:06,965 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_NONE 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 01:03:07,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 01:03:07,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 01:03:07,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 01:03:07,228 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 01:03:07,228 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 01:03:07,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-pthread/cs_stateful-2.i [2022-01-11 01:03:07,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f76dd7bc/48c7d36de2654dc28c76bc2b6f32630f/FLAG8969b0a69 [2022-01-11 01:03:07,738 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 01:03:07,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-pthread/cs_stateful-2.i [2022-01-11 01:03:07,756 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f76dd7bc/48c7d36de2654dc28c76bc2b6f32630f/FLAG8969b0a69 [2022-01-11 01:03:07,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f76dd7bc/48c7d36de2654dc28c76bc2b6f32630f [2022-01-11 01:03:07,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 01:03:07,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 01:03:07,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 01:03:07,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 01:03:07,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 01:03:07,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 01:03:07" (1/1) ... [2022-01-11 01:03:07,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa6087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:03:07, skipping insertion in model container [2022-01-11 01:03:07,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 01:03:07" (1/1) ... [2022-01-11 01:03:07,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 01:03:07,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 01:03:08,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-pthread/cs_stateful-2.i[23607,23620] [2022-01-11 01:03:08,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 01:03:08,204 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 01:03:08,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-pthread/cs_stateful-2.i[23607,23620] [2022-01-11 01:03:08,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 01:03:08,316 INFO L208 MainTranslator]: Completed translation [2022-01-11 01:03:08,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:03:08 WrapperNode [2022-01-11 01:03:08,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 01:03:08,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 01:03:08,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 01:03:08,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 01:03:08,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:03:08" (1/1) ... [2022-01-11 01:03:08,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:03:08" (1/1) ... [2022-01-11 01:03:08,423 INFO L137 Inliner]: procedures = 149, calls = 245, calls flagged for inlining = 63, calls inlined = 241, statements flattened = 2800 [2022-01-11 01:03:08,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 01:03:08,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 01:03:08,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 01:03:08,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 01:03:08,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:03:08" (1/1) ... [2022-01-11 01:03:08,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:03:08" (1/1) ... [2022-01-11 01:03:08,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:03:08" (1/1) ... [2022-01-11 01:03:08,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:03:08" (1/1) ... [2022-01-11 01:03:08,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:03:08" (1/1) ... [2022-01-11 01:03:08,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:03:08" (1/1) ... [2022-01-11 01:03:08,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:03:08" (1/1) ... [2022-01-11 01:03:08,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 01:03:08,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 01:03:08,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 01:03:08,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 01:03:08,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:03:08" (1/1) ... [2022-01-11 01:03:08,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 01:03:08,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 01:03:08,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-11 01:03:08,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-11 01:03:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-01-11 01:03:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-11 01:03:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 01:03:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-11 01:03:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-11 01:03:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-11 01:03:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-01-11 01:03:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-11 01:03:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-11 01:03:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-01-11 01:03:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 01:03:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-01-11 01:03:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 01:03:08,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 01:03:08,887 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 01:03:08,888 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 01:03:08,901 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-11 01:03:08,913 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-11 01:03:08,936 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-11 01:03:08,937 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-11 01:03:08,987 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-11 01:03:08,988 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-11 01:03:13,937 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##645: assume !(0bv32 == assume_abort_if_not_~cond#1); [2022-01-11 01:03:13,937 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##644: assume 0bv32 == assume_abort_if_not_~cond#1;assume false; [2022-01-11 01:03:13,937 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##638: assume !(0bv32 == assume_abort_if_not_~cond#1); [2022-01-11 01:03:13,937 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##637: assume 0bv32 == assume_abort_if_not_~cond#1;assume false; [2022-01-11 01:03:13,937 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-12: assume { :end_inline_assume_abort_if_not } true;~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0#1))[8:0]; [2022-01-11 01:03:13,938 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-13: assume { :end_inline_assume_abort_if_not } true;~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0#1))[8:0]; [2022-01-11 01:03:13,938 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-14: assume { :end_inline_assume_abort_if_not } true;~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0#1))[8:0]; [2022-01-11 01:03:13,938 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-42: assume { :end_inline_assume_abort_if_not } true;~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0#1))[8:0]; [2022-01-11 01:03:13,938 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-43: assume { :end_inline_assume_abort_if_not } true;~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0#1))[8:0]; [2022-01-11 01:03:13,938 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-44: assume { :end_inline_assume_abort_if_not } true;~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0#1))[8:0]; [2022-01-11 01:03:13,938 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-24: assume 0bv32 == assume_abort_if_not_~cond#1;assume false; [2022-01-11 01:03:13,938 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-24: assume !(0bv32 == assume_abort_if_not_~cond#1); [2022-01-11 01:03:13,938 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-72: assume { :end_inline_assume_abort_if_not } true;~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0#1))[8:0]; [2022-01-11 01:03:13,938 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-73: assume { :end_inline_assume_abort_if_not } true;~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0#1))[8:0]; [2022-01-11 01:03:13,938 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-74: assume { :end_inline_assume_abort_if_not } true;~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0#1))[8:0]; [2022-01-11 01:03:13,938 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-80: assume 0bv32 == assume_abort_if_not_~cond#1;assume false; [2022-01-11 01:03:13,939 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-80: assume !(0bv32 == assume_abort_if_not_~cond#1); [2022-01-11 01:03:13,939 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-136: assume 0bv32 == assume_abort_if_not_~cond#1;assume false; [2022-01-11 01:03:13,939 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-136: assume !(0bv32 == assume_abort_if_not_~cond#1); [2022-01-11 01:03:13,939 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##378: assume !(0bv32 == assume_abort_if_not_~cond#1); [2022-01-11 01:03:13,939 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##377: assume 0bv32 == assume_abort_if_not_~cond#1;assume false; [2022-01-11 01:03:13,939 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##385: assume !(0bv32 == assume_abort_if_not_~cond#1); [2022-01-11 01:03:13,939 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##384: assume 0bv32 == assume_abort_if_not_~cond#1;assume false; [2022-01-11 01:03:13,939 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-10: assume { :end_inline___CS_cs } true; [2022-01-11 01:03:13,939 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-11: assume { :end_inline___CS_cs } true; [2022-01-11 01:03:13,939 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-12: assume { :end_inline___CS_cs } true; [2022-01-11 01:03:13,939 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-38: assume { :end_inline___CS_cs } true; [2022-01-11 01:03:13,939 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-39: assume { :end_inline___CS_cs } true; [2022-01-11 01:03:13,940 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-40: assume { :end_inline___CS_cs } true; [2022-01-11 01:03:13,940 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-66: assume { :end_inline___CS_cs } true; [2022-01-11 01:03:13,940 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-67: assume { :end_inline___CS_cs } true; [2022-01-11 01:03:13,940 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-68: assume { :end_inline___CS_cs } true; [2022-01-11 01:03:13,940 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-30: assume 0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2022-01-11 01:03:13,940 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-30: assume !(0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret~0); [2022-01-11 01:03:13,940 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-32: ~__CS_ret~0 := __CS_cs_#t~ite5#1[8:0];havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2022-01-11 01:03:13,940 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-33: assume 0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2022-01-11 01:03:13,940 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-33: assume !(0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret~0); [2022-01-11 01:03:13,940 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-35: ~__CS_ret~0 := __CS_cs_#t~ite5#1[8:0];havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2022-01-11 01:03:13,940 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-36: assume 0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2022-01-11 01:03:13,941 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-36: assume !(0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret~0); [2022-01-11 01:03:13,941 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-38: ~__CS_ret~0 := __CS_cs_#t~ite5#1[8:0];havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2022-01-11 01:03:13,941 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-114: assume 0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2022-01-11 01:03:13,941 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-114: assume !(0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret~0); [2022-01-11 01:03:13,941 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-116: ~__CS_ret~0 := __CS_cs_#t~ite5#1[8:0];havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2022-01-11 01:03:13,941 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-117: assume 0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2022-01-11 01:03:13,941 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-117: assume !(0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret~0); [2022-01-11 01:03:13,941 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-119: ~__CS_ret~0 := __CS_cs_#t~ite5#1[8:0];havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2022-01-11 01:03:13,941 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-120: assume 0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2022-01-11 01:03:13,941 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-120: assume !(0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret~0); [2022-01-11 01:03:13,942 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-122: ~__CS_ret~0 := __CS_cs_#t~ite5#1[8:0];havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2022-01-11 01:03:13,942 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-198: assume 0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2022-01-11 01:03:13,942 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-198: assume !(0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret~0); [2022-01-11 01:03:13,942 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-200: ~__CS_ret~0 := __CS_cs_#t~ite5#1[8:0];havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2022-01-11 01:03:13,942 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-201: assume 0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2022-01-11 01:03:13,942 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-201: assume !(0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret~0); [2022-01-11 01:03:13,942 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-203: ~__CS_ret~0 := __CS_cs_#t~ite5#1[8:0];havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2022-01-11 01:03:13,942 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-204: assume 0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2022-01-11 01:03:13,942 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-204: assume !(0bv32 != __CS_cs_#t~nondet4#1 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite5#1 := ~zero_extendFrom8To32(~__CS_ret~0); [2022-01-11 01:03:13,942 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-206: ~__CS_ret~0 := __CS_cs_#t~ite5#1[8:0];havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2022-01-11 01:03:13,943 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L746: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);main_thread_#res#1.base, main_thread_#res#1.offset := 0bv64, 0bv64;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2022-01-11 01:03:13,943 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L746: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2022-01-11 01:03:13,943 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-2: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);main_thread_#res#1.base, main_thread_#res#1.offset := 0bv64, 0bv64;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2022-01-11 01:03:13,943 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-2: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2022-01-11 01:03:13,943 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-4: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);main_thread_#res#1.base, main_thread_#res#1.offset := 0bv64, 0bv64;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2022-01-11 01:03:13,943 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-4: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2022-01-11 01:03:13,943 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L748: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);main_thread_#res#1.base, main_thread_#res#1.offset := 0bv64, 0bv64;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2022-01-11 01:03:13,943 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L748: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0));assume { :begin_inline___CS_cs } true;havoc __CS_cs_#t~nondet3#1, __CS_cs_#t~nondet4#1, __CS_cs_#t~ite5#1, __CS_cs_~k~0#1;__CS_cs_~k~0#1 := __CS_cs_#t~nondet3#1;havoc __CS_cs_#t~nondet3#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~bvslt32(~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0#1)), 2bv32) then 1bv32 else 0bv32);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2022-01-11 01:03:13,943 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L748-2: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);main_thread_#res#1.base, main_thread_#res#1.offset := 0bv64, 0bv64;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2022-01-11 01:03:13,943 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L748-2: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0));assume { :begin_inline___CS_cs } true;havoc __CS_cs_#t~nondet3#1, __CS_cs_#t~nondet4#1, __CS_cs_#t~ite5#1, __CS_cs_~k~0#1;__CS_cs_~k~0#1 := __CS_cs_#t~nondet3#1;havoc __CS_cs_#t~nondet3#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~bvslt32(~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0#1)), 2bv32) then 1bv32 else 0bv32);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2022-01-11 01:03:13,944 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L748-4: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);main_thread_#res#1.base, main_thread_#res#1.offset := 0bv64, 0bv64;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2022-01-11 01:03:13,944 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L748-4: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0));assume { :begin_inline___CS_cs } true;havoc __CS_cs_#t~nondet3#1, __CS_cs_#t~nondet4#1, __CS_cs_#t~ite5#1, __CS_cs_~k~0#1;__CS_cs_~k~0#1 := __CS_cs_#t~nondet3#1;havoc __CS_cs_#t~nondet3#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~bvslt32(~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0#1)), 2bv32) then 1bv32 else 0bv32);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2022-01-11 01:03:13,944 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L750: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);main_thread_#res#1.base, main_thread_#res#1.offset := 0bv64, 0bv64;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2022-01-11 01:03:13,944 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L750: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2022-01-11 01:03:13,944 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L750-2: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);main_thread_#res#1.base, main_thread_#res#1.offset := 0bv64, 0bv64;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2022-01-11 01:03:13,944 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L750-2: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2022-01-11 01:03:13,944 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L750-4: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);main_thread_#res#1.base, main_thread_#res#1.offset := 0bv64, 0bv64;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2022-01-11 01:03:13,944 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L750-4: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2022-01-11 01:03:13,944 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##118: assume !(0bv32 == assume_abort_if_not_~cond#1); [2022-01-11 01:03:13,945 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##117: assume 0bv32 == assume_abort_if_not_~cond#1;assume false; [2022-01-11 01:03:13,945 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume !(0bv32 == assume_abort_if_not_~cond#1); [2022-01-11 01:03:13,945 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##124: assume 0bv32 == assume_abort_if_not_~cond#1;assume false; [2022-01-11 01:03:13,945 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 01:03:13,965 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 01:03:13,965 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-11 01:03:13,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:03:13 BoogieIcfgContainer [2022-01-11 01:03:13,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 01:03:13,968 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 01:03:13,968 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 01:03:13,969 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 01:03:13,971 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:03:13" (1/1) ... [2022-01-11 01:03:14,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 01:03:14 BasicIcfg [2022-01-11 01:03:14,311 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 01:03:14,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 01:03:14,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 01:03:14,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 01:03:14,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 01:03:07" (1/4) ... [2022-01-11 01:03:14,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdff704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 01:03:14, skipping insertion in model container [2022-01-11 01:03:14,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:03:08" (2/4) ... [2022-01-11 01:03:14,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdff704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 01:03:14, skipping insertion in model container [2022-01-11 01:03:14,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:03:13" (3/4) ... [2022-01-11 01:03:14,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdff704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 01:03:14, skipping insertion in model container [2022-01-11 01:03:14,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 01:03:14" (4/4) ... [2022-01-11 01:03:14,321 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_stateful-2.iTransformedIcfg [2022-01-11 01:03:14,325 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 01:03:14,329 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 01:03:14,367 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 01:03:14,372 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-11 01:03:14,373 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 01:03:14,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 646 states, 644 states have (on average 1.4953416149068324) internal successors, (963), 645 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:14,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-11 01:03:14,412 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:03:14,412 INFO L514 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] [2022-01-11 01:03:14,413 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:03:14,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:03:14,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1936553444, now seen corresponding path program 1 times [2022-01-11 01:03:14,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:03:14,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823532955] [2022-01-11 01:03:14,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:03:14,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:03:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:03:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 01:03:14,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:03:14,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823532955] [2022-01-11 01:03:14,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823532955] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:03:14,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:03:14,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 01:03:14,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600578580] [2022-01-11 01:03:14,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:03:14,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-11 01:03:14,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:03:14,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-11 01:03:14,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 01:03:14,897 INFO L87 Difference]: Start difference. First operand has 646 states, 644 states have (on average 1.4953416149068324) internal successors, (963), 645 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:14,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:03:14,949 INFO L93 Difference]: Finished difference Result 1290 states and 1924 transitions. [2022-01-11 01:03:14,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-11 01:03:14,950 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-01-11 01:03:14,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:03:14,961 INFO L225 Difference]: With dead ends: 1290 [2022-01-11 01:03:14,962 INFO L226 Difference]: Without dead ends: 642 [2022-01-11 01:03:14,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 01:03:14,970 INFO L933 BasicCegarLoop]: 869 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 01:03:14,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 01:03:14,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2022-01-11 01:03:15,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 642. [2022-01-11 01:03:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 641 states have (on average 1.3494539781591264) internal successors, (865), 641 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:15,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 865 transitions. [2022-01-11 01:03:15,046 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 865 transitions. Word has length 32 [2022-01-11 01:03:15,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:03:15,046 INFO L470 AbstractCegarLoop]: Abstraction has 642 states and 865 transitions. [2022-01-11 01:03:15,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:15,046 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 865 transitions. [2022-01-11 01:03:15,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-11 01:03:15,053 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:03:15,053 INFO L514 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] [2022-01-11 01:03:15,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 01:03:15,054 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:03:15,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:03:15,054 INFO L85 PathProgramCache]: Analyzing trace with hash -808137607, now seen corresponding path program 1 times [2022-01-11 01:03:15,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:03:15,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364597070] [2022-01-11 01:03:15,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:03:15,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:03:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:03:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 01:03:16,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:03:16,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364597070] [2022-01-11 01:03:16,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364597070] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:03:16,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:03:16,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:03:16,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214345994] [2022-01-11 01:03:16,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:03:16,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 01:03:16,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:03:16,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 01:03:16,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-11 01:03:16,307 INFO L87 Difference]: Start difference. First operand 642 states and 865 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:16,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:03:16,464 INFO L93 Difference]: Finished difference Result 1176 states and 1581 transitions. [2022-01-11 01:03:16,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-11 01:03:16,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-01-11 01:03:16,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:03:16,470 INFO L225 Difference]: With dead ends: 1176 [2022-01-11 01:03:16,470 INFO L226 Difference]: Without dead ends: 1125 [2022-01-11 01:03:16,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-11 01:03:16,475 INFO L933 BasicCegarLoop]: 1254 mSDtfsCounter, 807 mSDsluCounter, 1945 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 3199 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 01:03:16,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [807 Valid, 3199 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 01:03:16,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2022-01-11 01:03:16,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1122. [2022-01-11 01:03:16,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1121 states have (on average 1.3336306868867083) internal successors, (1495), 1121 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:16,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1495 transitions. [2022-01-11 01:03:16,524 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1495 transitions. Word has length 32 [2022-01-11 01:03:16,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:03:16,524 INFO L470 AbstractCegarLoop]: Abstraction has 1122 states and 1495 transitions. [2022-01-11 01:03:16,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:16,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1495 transitions. [2022-01-11 01:03:16,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-11 01:03:16,528 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:03:16,528 INFO L514 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] [2022-01-11 01:03:16,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 01:03:16,528 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:03:16,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:03:16,529 INFO L85 PathProgramCache]: Analyzing trace with hash -941281239, now seen corresponding path program 1 times [2022-01-11 01:03:16,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:03:16,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608070416] [2022-01-11 01:03:16,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:03:16,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:03:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:03:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 01:03:17,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:03:17,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608070416] [2022-01-11 01:03:17,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608070416] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:03:17,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:03:17,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 01:03:17,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760798055] [2022-01-11 01:03:17,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:03:17,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 01:03:17,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:03:17,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 01:03:17,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-11 01:03:17,570 INFO L87 Difference]: Start difference. First operand 1122 states and 1495 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:18,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:03:18,095 INFO L93 Difference]: Finished difference Result 2926 states and 3871 transitions. [2022-01-11 01:03:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-11 01:03:18,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-11 01:03:18,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:03:18,102 INFO L225 Difference]: With dead ends: 2926 [2022-01-11 01:03:18,102 INFO L226 Difference]: Without dead ends: 2025 [2022-01-11 01:03:18,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-11 01:03:18,105 INFO L933 BasicCegarLoop]: 937 mSDtfsCounter, 2171 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2171 SdHoareTripleChecker+Valid, 1930 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-11 01:03:18,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2171 Valid, 1930 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-11 01:03:18,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2025 states. [2022-01-11 01:03:18,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2025 to 1038. [2022-01-11 01:03:18,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 1037 states have (on average 1.3326904532304724) internal successors, (1382), 1037 states have internal predecessors, (1382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:18,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1382 transitions. [2022-01-11 01:03:18,132 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1382 transitions. Word has length 66 [2022-01-11 01:03:18,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:03:18,132 INFO L470 AbstractCegarLoop]: Abstraction has 1038 states and 1382 transitions. [2022-01-11 01:03:18,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:18,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1382 transitions. [2022-01-11 01:03:18,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-11 01:03:18,134 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:03:18,134 INFO L514 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] [2022-01-11 01:03:18,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-11 01:03:18,134 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:03:18,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:03:18,135 INFO L85 PathProgramCache]: Analyzing trace with hash 799235120, now seen corresponding path program 1 times [2022-01-11 01:03:18,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:03:18,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329929640] [2022-01-11 01:03:18,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:03:18,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:03:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:03:18,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 01:03:18,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:03:18,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329929640] [2022-01-11 01:03:18,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329929640] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:03:18,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:03:18,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 01:03:18,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207875702] [2022-01-11 01:03:18,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:03:18,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 01:03:18,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:03:18,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 01:03:18,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-11 01:03:18,928 INFO L87 Difference]: Start difference. First operand 1038 states and 1382 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:20,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:03:20,651 INFO L93 Difference]: Finished difference Result 2633 states and 3451 transitions. [2022-01-11 01:03:20,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-11 01:03:20,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-11 01:03:20,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:03:20,656 INFO L225 Difference]: With dead ends: 2633 [2022-01-11 01:03:20,656 INFO L226 Difference]: Without dead ends: 1521 [2022-01-11 01:03:20,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-11 01:03:20,662 INFO L933 BasicCegarLoop]: 586 mSDtfsCounter, 1183 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1183 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 1267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-11 01:03:20,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1183 Valid, 1439 Invalid, 1267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [398 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-11 01:03:20,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2022-01-11 01:03:20,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1437. [2022-01-11 01:03:20,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1437 states, 1436 states have (on average 1.2374651810584958) internal successors, (1777), 1436 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:20,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 1777 transitions. [2022-01-11 01:03:20,696 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 1777 transitions. Word has length 66 [2022-01-11 01:03:20,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:03:20,696 INFO L470 AbstractCegarLoop]: Abstraction has 1437 states and 1777 transitions. [2022-01-11 01:03:20,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:20,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1777 transitions. [2022-01-11 01:03:20,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-01-11 01:03:20,699 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:03:20,700 INFO L514 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] [2022-01-11 01:03:20,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-11 01:03:20,700 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:03:20,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:03:20,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1296861256, now seen corresponding path program 1 times [2022-01-11 01:03:20,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:03:20,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367019616] [2022-01-11 01:03:20,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:03:20,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:03:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:03:21,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 01:03:21,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:03:21,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367019616] [2022-01-11 01:03:21,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367019616] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:03:21,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:03:21,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 01:03:21,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988015581] [2022-01-11 01:03:21,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:03:21,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 01:03:21,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:03:21,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 01:03:21,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-11 01:03:21,462 INFO L87 Difference]: Start difference. First operand 1437 states and 1777 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:22,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:03:22,044 INFO L93 Difference]: Finished difference Result 3877 states and 4772 transitions. [2022-01-11 01:03:22,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-11 01:03:22,045 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-01-11 01:03:22,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:03:22,052 INFO L225 Difference]: With dead ends: 3877 [2022-01-11 01:03:22,052 INFO L226 Difference]: Without dead ends: 2633 [2022-01-11 01:03:22,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-11 01:03:22,055 INFO L933 BasicCegarLoop]: 891 mSDtfsCounter, 1339 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1339 SdHoareTripleChecker+Valid, 1884 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-11 01:03:22,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1339 Valid, 1884 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-11 01:03:22,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2633 states. [2022-01-11 01:03:22,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2633 to 1307. [2022-01-11 01:03:22,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1307 states, 1306 states have (on average 1.2366003062787136) internal successors, (1615), 1306 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:22,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1615 transitions. [2022-01-11 01:03:22,093 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 1615 transitions. Word has length 67 [2022-01-11 01:03:22,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:03:22,093 INFO L470 AbstractCegarLoop]: Abstraction has 1307 states and 1615 transitions. [2022-01-11 01:03:22,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:22,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1615 transitions. [2022-01-11 01:03:22,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-01-11 01:03:22,095 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:03:22,096 INFO L514 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] [2022-01-11 01:03:22,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-11 01:03:22,096 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:03:22,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:03:22,096 INFO L85 PathProgramCache]: Analyzing trace with hash 559179143, now seen corresponding path program 1 times [2022-01-11 01:03:22,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:03:22,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069373897] [2022-01-11 01:03:22,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:03:22,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:03:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:03:22,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 01:03:22,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:03:22,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069373897] [2022-01-11 01:03:22,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069373897] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:03:22,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:03:22,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:03:22,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583909806] [2022-01-11 01:03:22,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:03:22,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 01:03:22,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:03:22,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 01:03:22,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-11 01:03:22,752 INFO L87 Difference]: Start difference. First operand 1307 states and 1615 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:24,764 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-11 01:03:25,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:03:25,581 INFO L93 Difference]: Finished difference Result 3295 states and 4043 transitions. [2022-01-11 01:03:25,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-11 01:03:25,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-01-11 01:03:25,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:03:25,590 INFO L225 Difference]: With dead ends: 3295 [2022-01-11 01:03:25,591 INFO L226 Difference]: Without dead ends: 2622 [2022-01-11 01:03:25,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-11 01:03:25,594 INFO L933 BasicCegarLoop]: 857 mSDtfsCounter, 995 mSDsluCounter, 1535 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-01-11 01:03:25,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [995 Valid, 2392 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-01-11 01:03:25,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2622 states. [2022-01-11 01:03:25,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2622 to 1457. [2022-01-11 01:03:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1457 states, 1456 states have (on average 1.2438186813186813) internal successors, (1811), 1456 states have internal predecessors, (1811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:25,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 1811 transitions. [2022-01-11 01:03:25,635 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 1811 transitions. Word has length 67 [2022-01-11 01:03:25,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:03:25,635 INFO L470 AbstractCegarLoop]: Abstraction has 1457 states and 1811 transitions. [2022-01-11 01:03:25,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:25,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1811 transitions. [2022-01-11 01:03:25,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-01-11 01:03:25,637 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:03:25,637 INFO L514 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] [2022-01-11 01:03:25,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-11 01:03:25,637 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:03:25,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:03:25,637 INFO L85 PathProgramCache]: Analyzing trace with hash -877211604, now seen corresponding path program 1 times [2022-01-11 01:03:25,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:03:25,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738360300] [2022-01-11 01:03:25,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:03:25,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:03:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:03:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 01:03:32,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:03:32,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738360300] [2022-01-11 01:03:32,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738360300] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:03:32,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:03:32,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:03:32,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232973095] [2022-01-11 01:03:32,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:03:32,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:03:32,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:03:32,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:03:32,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:03:32,565 INFO L87 Difference]: Start difference. First operand 1457 states and 1811 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:32,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:03:32,635 INFO L93 Difference]: Finished difference Result 2912 states and 3620 transitions. [2022-01-11 01:03:32,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:03:32,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-01-11 01:03:32,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:03:32,640 INFO L225 Difference]: With dead ends: 2912 [2022-01-11 01:03:32,640 INFO L226 Difference]: Without dead ends: 1461 [2022-01-11 01:03:32,642 INFO L932 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 [2022-01-11 01:03:32,643 INFO L933 BasicCegarLoop]: 717 mSDtfsCounter, 4 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1432 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 01:03:32,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 1432 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 01:03:32,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2022-01-11 01:03:32,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1458. [2022-01-11 01:03:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1458 states, 1457 states have (on average 1.2436513383665064) internal successors, (1812), 1457 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:32,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1812 transitions. [2022-01-11 01:03:32,677 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1812 transitions. Word has length 67 [2022-01-11 01:03:32,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:03:32,677 INFO L470 AbstractCegarLoop]: Abstraction has 1458 states and 1812 transitions. [2022-01-11 01:03:32,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:32,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1812 transitions. [2022-01-11 01:03:32,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-01-11 01:03:32,678 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:03:32,679 INFO L514 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] [2022-01-11 01:03:32,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-11 01:03:32,679 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:03:32,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:03:32,679 INFO L85 PathProgramCache]: Analyzing trace with hash -523618427, now seen corresponding path program 1 times [2022-01-11 01:03:32,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:03:32,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701450793] [2022-01-11 01:03:32,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:03:32,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:03:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:03:39,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 01:03:39,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:03:39,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701450793] [2022-01-11 01:03:39,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701450793] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:03:39,689 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:03:39,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:03:39,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669685996] [2022-01-11 01:03:39,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:03:39,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:03:39,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:03:39,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:03:39,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:03:39,690 INFO L87 Difference]: Start difference. First operand 1458 states and 1812 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:39,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:03:39,758 INFO L93 Difference]: Finished difference Result 2915 states and 3624 transitions. [2022-01-11 01:03:39,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:03:39,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-01-11 01:03:39,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:03:39,762 INFO L225 Difference]: With dead ends: 2915 [2022-01-11 01:03:39,763 INFO L226 Difference]: Without dead ends: 1460 [2022-01-11 01:03:39,764 INFO L932 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 [2022-01-11 01:03:39,764 INFO L933 BasicCegarLoop]: 718 mSDtfsCounter, 1 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1433 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 01:03:39,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 1433 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 01:03:39,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2022-01-11 01:03:39,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1459. [2022-01-11 01:03:39,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1459 states, 1458 states have (on average 1.2434842249657065) internal successors, (1813), 1458 states have internal predecessors, (1813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:39,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 1813 transitions. [2022-01-11 01:03:39,797 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 1813 transitions. Word has length 70 [2022-01-11 01:03:39,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:03:39,797 INFO L470 AbstractCegarLoop]: Abstraction has 1459 states and 1813 transitions. [2022-01-11 01:03:39,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:03:39,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 1813 transitions. [2022-01-11 01:03:39,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-01-11 01:03:39,802 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:03:39,802 INFO L514 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] [2022-01-11 01:03:39,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-11 01:03:39,803 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:03:39,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:03:39,803 INFO L85 PathProgramCache]: Analyzing trace with hash 490920161, now seen corresponding path program 1 times [2022-01-11 01:03:39,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:03:39,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568316569] [2022-01-11 01:03:39,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:03:39,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:03:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:03:43,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 01:03:43,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:03:43,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568316569] [2022-01-11 01:03:43,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568316569] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-11 01:03:43,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772275241] [2022-01-11 01:03:43,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:03:43,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 01:03:43,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 01:03:43,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-11 01:03:43,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process