/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-pthread/cs_lazy.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 01:49:19,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 01:49:19,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 01:49:19,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 01:49:19,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 01:49:19,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 01:49:19,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 01:49:19,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 01:49:19,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 01:49:19,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 01:49:19,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 01:49:19,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 01:49:19,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 01:49:19,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 01:49:19,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 01:49:19,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 01:49:19,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 01:49:19,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 01:49:19,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 01:49:19,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 01:49:19,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 01:49:19,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 01:49:19,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 01:49:19,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 01:49:19,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 01:49:19,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 01:49:19,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 01:49:19,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 01:49:19,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 01:49:19,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 01:49:19,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 01:49:19,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 01:49:19,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 01:49:19,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 01:49:19,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 01:49:19,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 01:49:19,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 01:49:19,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 01:49:19,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 01:49:19,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 01:49:19,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 01:49:19,116 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf [2022-01-10 01:49:19,138 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 01:49:19,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 01:49:19,139 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 01:49:19,139 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 01:49:19,139 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 01:49:19,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 01:49:19,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 01:49:19,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 01:49:19,140 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 01:49:19,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 01:49:19,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 01:49:19,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 01:49:19,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 01:49:19,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 01:49:19,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 01:49:19,142 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 01:49:19,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 01:49:19,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 01:49:19,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 01:49:19,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 01:49:19,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 01:49:19,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:49:19,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 01:49:19,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 01:49:19,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 01:49:19,143 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 01:49:19,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 01:49:19,144 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 01:49:19,144 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 01:49:19,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 01:49:19,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 01:49:19,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 01:49:19,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 01:49:19,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 01:49:19,361 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 01:49:19,363 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 01:49:19,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-pthread/cs_lazy.i [2022-01-10 01:49:19,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e1b7d4bc/642f50f7fd3e4c78a4f20c081bb47383/FLAGe57cf49cd [2022-01-10 01:49:19,754 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 01:49:19,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-pthread/cs_lazy.i [2022-01-10 01:49:19,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e1b7d4bc/642f50f7fd3e4c78a4f20c081bb47383/FLAGe57cf49cd [2022-01-10 01:49:20,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e1b7d4bc/642f50f7fd3e4c78a4f20c081bb47383 [2022-01-10 01:49:20,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 01:49:20,146 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 01:49:20,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 01:49:20,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 01:49:20,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 01:49:20,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:49:20" (1/1) ... [2022-01-10 01:49:20,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c9602e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:20, skipping insertion in model container [2022-01-10 01:49:20,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:49:20" (1/1) ... [2022-01-10 01:49:20,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 01:49:20,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 01:49:20,490 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_lazy.i[23394,23407] [2022-01-10 01:49:20,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:49:20,596 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 01:49:20,626 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_lazy.i[23394,23407] [2022-01-10 01:49:20,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:49:20,690 INFO L208 MainTranslator]: Completed translation [2022-01-10 01:49:20,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:20 WrapperNode [2022-01-10 01:49:20,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 01:49:20,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 01:49:20,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 01:49:20,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 01:49:20,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:20" (1/1) ... [2022-01-10 01:49:20,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:20" (1/1) ... [2022-01-10 01:49:20,772 INFO L137 Inliner]: procedures = 145, calls = 212, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 514 [2022-01-10 01:49:20,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 01:49:20,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 01:49:20,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 01:49:20,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 01:49:20,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:20" (1/1) ... [2022-01-10 01:49:20,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:20" (1/1) ... [2022-01-10 01:49:20,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:20" (1/1) ... [2022-01-10 01:49:20,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:20" (1/1) ... [2022-01-10 01:49:20,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:20" (1/1) ... [2022-01-10 01:49:20,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:20" (1/1) ... [2022-01-10 01:49:20,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:20" (1/1) ... [2022-01-10 01:49:20,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 01:49:20,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 01:49:20,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 01:49:20,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 01:49:20,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:20" (1/1) ... [2022-01-10 01:49:20,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:49:20,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:49:20,874 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) [2022-01-10 01:49:20,894 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 [2022-01-10 01:49:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-10 01:49:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-10 01:49:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 01:49:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 01:49:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-10 01:49:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2022-01-10 01:49:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2022-01-10 01:49:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-01-10 01:49:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-01-10 01:49:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-10 01:49:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-01-10 01:49:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-01-10 01:49:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-01-10 01:49:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-01-10 01:49:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 01:49:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-01-10 01:49:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-01-10 01:49:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-01-10 01:49:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 01:49:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2022-01-10 01:49:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2022-01-10 01:49:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 01:49:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 01:49:21,079 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 01:49:21,080 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 01:49:21,258 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##32: assume 0 != ~__CS_ret~0 % 256;thread3_#res#1.base, thread3_#res#1.offset := 0, 0; [2022-01-10 01:49:21,258 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##31: assume !(0 != ~__CS_ret~0 % 256); [2022-01-10 01:49:21,258 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume 0 != ~__CS_ret~0 % 256;thread3_#res#1.base, thread3_#res#1.offset := 0, 0; [2022-01-10 01:49:21,258 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume !(0 != ~__CS_ret~0 % 256); [2022-01-10 01:49:21,259 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L714: SUMMARY for call __CS_cs(); srcloc: null [2022-01-10 01:49:21,259 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-1: assume 0 != ~__CS_ret~0 % 256;thread3_#res#1.base, thread3_#res#1.offset := 0, 0; [2022-01-10 01:49:21,259 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-1: assume !(0 != ~__CS_ret~0 % 256); [2022-01-10 01:49:23,461 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 01:49:23,466 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 01:49:23,466 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 01:49:23,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:49:23 BoogieIcfgContainer [2022-01-10 01:49:23,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 01:49:23,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 01:49:23,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 01:49:23,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 01:49:23,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:49:20" (1/3) ... [2022-01-10 01:49:23,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8dadac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:49:23, skipping insertion in model container [2022-01-10 01:49:23,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:20" (2/3) ... [2022-01-10 01:49:23,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8dadac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:49:23, skipping insertion in model container [2022-01-10 01:49:23,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:49:23" (3/3) ... [2022-01-10 01:49:23,473 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_lazy.i [2022-01-10 01:49:23,476 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 01:49:23,476 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 01:49:23,506 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 01:49:23,510 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 [2022-01-10 01:49:23,510 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 01:49:23,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 119 states have (on average 1.495798319327731) internal successors, (178), 120 states have internal predecessors, (178), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-01-10 01:49:23,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-10 01:49:23,532 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:49:23,533 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] [2022-01-10 01:49:23,533 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:49:23,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:49:23,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1643557001, now seen corresponding path program 1 times [2022-01-10 01:49:23,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:49:23,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279097065] [2022-01-10 01:49:23,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:49:23,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:49:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:23,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:49:23,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:49:23,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279097065] [2022-01-10 01:49:23,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279097065] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:49:23,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:49:23,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 01:49:23,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988000306] [2022-01-10 01:49:23,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:49:23,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 01:49:23,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:49:23,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 01:49:23,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 01:49:23,899 INFO L87 Difference]: Start difference. First operand has 164 states, 119 states have (on average 1.495798319327731) internal successors, (178), 120 states have internal predecessors, (178), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-01-10 01:49:23,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:49:23,956 INFO L93 Difference]: Finished difference Result 331 states and 539 transitions. [2022-01-10 01:49:23,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 01:49:23,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 34 [2022-01-10 01:49:23,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:49:23,965 INFO L225 Difference]: With dead ends: 331 [2022-01-10 01:49:23,966 INFO L226 Difference]: Without dead ends: 165 [2022-01-10 01:49:23,971 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 [2022-01-10 01:49:23,974 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 5 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 01:49:23,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 464 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 01:49:23,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-01-10 01:49:24,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 161. [2022-01-10 01:49:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 117 states have internal predecessors, (160), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-01-10 01:49:24,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 234 transitions. [2022-01-10 01:49:24,014 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 234 transitions. Word has length 34 [2022-01-10 01:49:24,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:49:24,015 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 234 transitions. [2022-01-10 01:49:24,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-01-10 01:49:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 234 transitions. [2022-01-10 01:49:24,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 01:49:24,018 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:49:24,018 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] [2022-01-10 01:49:24,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 01:49:24,019 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:49:24,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:49:24,019 INFO L85 PathProgramCache]: Analyzing trace with hash -883018881, now seen corresponding path program 1 times [2022-01-10 01:49:24,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:49:24,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669069075] [2022-01-10 01:49:24,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:49:24,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:49:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:24,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:49:24,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:49:24,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669069075] [2022-01-10 01:49:24,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669069075] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:49:24,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:49:24,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 01:49:24,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146562780] [2022-01-10 01:49:24,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:49:24,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 01:49:24,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:49:24,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 01:49:24,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 01:49:24,096 INFO L87 Difference]: Start difference. First operand 161 states and 234 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-01-10 01:49:24,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:49:24,124 INFO L93 Difference]: Finished difference Result 321 states and 468 transitions. [2022-01-10 01:49:24,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 01:49:24,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2022-01-10 01:49:24,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:49:24,127 INFO L225 Difference]: With dead ends: 321 [2022-01-10 01:49:24,127 INFO L226 Difference]: Without dead ends: 163 [2022-01-10 01:49:24,128 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 [2022-01-10 01:49:24,129 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 1 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 459 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 [2022-01-10 01:49:24,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 459 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 01:49:24,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-01-10 01:49:24,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 162. [2022-01-10 01:49:24,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 118 states have (on average 1.3644067796610169) internal successors, (161), 118 states have internal predecessors, (161), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-01-10 01:49:24,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 235 transitions. [2022-01-10 01:49:24,175 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 235 transitions. Word has length 38 [2022-01-10 01:49:24,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:49:24,176 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 235 transitions. [2022-01-10 01:49:24,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-01-10 01:49:24,176 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 235 transitions. [2022-01-10 01:49:24,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-01-10 01:49:24,178 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:49:24,178 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] [2022-01-10 01:49:24,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 01:49:24,178 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:49:24,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:49:24,179 INFO L85 PathProgramCache]: Analyzing trace with hash -786448707, now seen corresponding path program 1 times [2022-01-10 01:49:24,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:49:24,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092665278] [2022-01-10 01:49:24,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:49:24,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:49:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:24,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:49:24,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:49:24,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092665278] [2022-01-10 01:49:24,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092665278] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 01:49:24,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231579215] [2022-01-10 01:49:24,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:49:24,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:49:24,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:49:24,292 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) [2022-01-10 01:49:24,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-10 01:49:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:24,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 01:49:24,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 01:49:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:49:24,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 01:49:24,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:49:24,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231579215] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 01:49:24,752 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 01:49:24,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-01-10 01:49:24,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312212241] [2022-01-10 01:49:24,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 01:49:24,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 01:49:24,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:49:24,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 01:49:24,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-01-10 01:49:24,754 INFO L87 Difference]: Start difference. First operand 162 states and 235 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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) [2022-01-10 01:49:24,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:49:24,790 INFO L93 Difference]: Finished difference Result 327 states and 476 transitions. [2022-01-10 01:49:24,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 01:49:24,790 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 40 [2022-01-10 01:49:24,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:49:24,792 INFO L225 Difference]: With dead ends: 327 [2022-01-10 01:49:24,792 INFO L226 Difference]: Without dead ends: 168 [2022-01-10 01:49:24,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-01-10 01:49:24,794 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 6 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 01:49:24,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 687 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 01:49:24,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-01-10 01:49:24,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2022-01-10 01:49:24,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 124 states have (on average 1.346774193548387) internal successors, (167), 124 states have internal predecessors, (167), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-01-10 01:49:24,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 241 transitions. [2022-01-10 01:49:24,805 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 241 transitions. Word has length 40 [2022-01-10 01:49:24,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:49:24,805 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 241 transitions. [2022-01-10 01:49:24,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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) [2022-01-10 01:49:24,805 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 241 transitions. [2022-01-10 01:49:24,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-01-10 01:49:24,807 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:49:24,807 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:49:24,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-10 01:49:25,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:49:25,024 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:49:25,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:49:25,024 INFO L85 PathProgramCache]: Analyzing trace with hash 386454391, now seen corresponding path program 2 times [2022-01-10 01:49:25,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:49:25,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203276281] [2022-01-10 01:49:25,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:49:25,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:49:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:25,136 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-10 01:49:25,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:49:25,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203276281] [2022-01-10 01:49:25,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203276281] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 01:49:25,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160699398] [2022-01-10 01:49:25,137 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-10 01:49:25,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:49:25,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:49:25,138 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 01:49:25,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-10 01:49:25,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-10 01:49:25,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 01:49:25,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 01:49:25,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 01:49:25,517 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-01-10 01:49:25,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 01:49:25,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160699398] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:49:25,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 01:49:25,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-01-10 01:49:25,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446849362] [2022-01-10 01:49:25,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:49:25,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 01:49:25,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:49:25,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 01:49:25,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 01:49:25,519 INFO L87 Difference]: Start difference. First operand 168 states and 241 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-01-10 01:49:25,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:49:25,577 INFO L93 Difference]: Finished difference Result 318 states and 470 transitions. [2022-01-10 01:49:25,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 01:49:25,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 46 [2022-01-10 01:49:25,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:49:25,581 INFO L225 Difference]: With dead ends: 318 [2022-01-10 01:49:25,581 INFO L226 Difference]: Without dead ends: 292 [2022-01-10 01:49:25,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-01-10 01:49:25,582 INFO L933 BasicCegarLoop]: 292 mSDtfsCounter, 190 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 01:49:25,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 807 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 01:49:25,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-01-10 01:49:25,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 291. [2022-01-10 01:49:25,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 205 states have (on average 1.395121951219512) internal successors, (286), 205 states have internal predecessors, (286), 73 states have call successors, (73), 12 states have call predecessors, (73), 12 states have return successors, (82), 73 states have call predecessors, (82), 73 states have call successors, (82) [2022-01-10 01:49:25,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 441 transitions. [2022-01-10 01:49:25,600 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 441 transitions. Word has length 46 [2022-01-10 01:49:25,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:49:25,600 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 441 transitions. [2022-01-10 01:49:25,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-01-10 01:49:25,600 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 441 transitions. [2022-01-10 01:49:25,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-10 01:49:25,603 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:49:25,603 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:49:25,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-10 01:49:25,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-01-10 01:49:25,828 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:49:25,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:49:25,828 INFO L85 PathProgramCache]: Analyzing trace with hash -413357882, now seen corresponding path program 1 times [2022-01-10 01:49:25,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:49:25,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459806904] [2022-01-10 01:49:25,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:49:25,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:49:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:25,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-01-10 01:49:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:25,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:49:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:25,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-10 01:49:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:25,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-10 01:49:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:26,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-01-10 01:49:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:26,012 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-01-10 01:49:26,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:49:26,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459806904] [2022-01-10 01:49:26,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459806904] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 01:49:26,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124890469] [2022-01-10 01:49:26,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:49:26,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:49:26,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:49:26,016 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 01:49:26,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-10 01:49:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:26,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 01:49:26,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 01:49:26,457 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-01-10 01:49:26,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 01:49:26,609 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-01-10 01:49:26,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124890469] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 01:49:26,610 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 01:49:26,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 8 [2022-01-10 01:49:26,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073640430] [2022-01-10 01:49:26,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 01:49:26,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 01:49:26,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:49:26,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 01:49:26,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 01:49:26,611 INFO L87 Difference]: Start difference. First operand 291 states and 441 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-01-10 01:49:28,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 01:49:29,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:49:29,867 INFO L93 Difference]: Finished difference Result 589 states and 899 transitions. [2022-01-10 01:49:29,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 01:49:29,869 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 91 [2022-01-10 01:49:29,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:49:29,874 INFO L225 Difference]: With dead ends: 589 [2022-01-10 01:49:29,874 INFO L226 Difference]: Without dead ends: 313 [2022-01-10 01:49:29,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 187 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 01:49:29,877 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 79 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 114 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-01-10 01:49:29,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 762 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 304 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-01-10 01:49:29,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2022-01-10 01:49:29,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 307. [2022-01-10 01:49:29,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 219 states have (on average 1.3744292237442923) internal successors, (301), 221 states have internal predecessors, (301), 73 states have call successors, (73), 12 states have call predecessors, (73), 14 states have return successors, (88), 73 states have call predecessors, (88), 73 states have call successors, (88) [2022-01-10 01:49:29,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 462 transitions. [2022-01-10 01:49:29,934 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 462 transitions. Word has length 91 [2022-01-10 01:49:29,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:49:29,935 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 462 transitions. [2022-01-10 01:49:29,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-01-10 01:49:29,935 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 462 transitions. [2022-01-10 01:49:29,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-01-10 01:49:29,940 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:49:29,940 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:49:29,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-10 01:49:30,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:49:30,141 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:49:30,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:49:30,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1310826886, now seen corresponding path program 2 times [2022-01-10 01:49:30,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:49:30,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249721358] [2022-01-10 01:49:30,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:49:30,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:49:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:30,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-01-10 01:49:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:30,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:49:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:30,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-10 01:49:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:30,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-10 01:49:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-01-10 01:49:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-01-10 01:49:30,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:49:30,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249721358] [2022-01-10 01:49:30,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249721358] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:49:30,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:49:30,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 01:49:30,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611468315] [2022-01-10 01:49:30,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:49:30,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 01:49:30,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:49:30,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 01:49:30,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-10 01:49:30,368 INFO L87 Difference]: Start difference. First operand 307 states and 462 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 01:49:32,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:49:32,409 INFO L93 Difference]: Finished difference Result 634 states and 980 transitions. [2022-01-10 01:49:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-10 01:49:32,409 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 103 [2022-01-10 01:49:32,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:49:32,413 INFO L225 Difference]: With dead ends: 634 [2022-01-10 01:49:32,413 INFO L226 Difference]: Without dead ends: 608 [2022-01-10 01:49:32,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2022-01-10 01:49:32,415 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 331 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-10 01:49:32,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [356 Valid, 762 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-10 01:49:32,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2022-01-10 01:49:32,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 567. [2022-01-10 01:49:32,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 390 states have (on average 1.4076923076923078) internal successors, (549), 397 states have internal predecessors, (549), 145 states have call successors, (145), 24 states have call predecessors, (145), 31 states have return successors, (201), 145 states have call predecessors, (201), 145 states have call successors, (201) [2022-01-10 01:49:32,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 895 transitions. [2022-01-10 01:49:32,439 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 895 transitions. Word has length 103 [2022-01-10 01:49:32,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:49:32,439 INFO L470 AbstractCegarLoop]: Abstraction has 567 states and 895 transitions. [2022-01-10 01:49:32,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 01:49:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 895 transitions. [2022-01-10 01:49:32,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-01-10 01:49:32,441 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:49:32,442 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:49:32,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 01:49:32,442 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:49:32,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:49:32,442 INFO L85 PathProgramCache]: Analyzing trace with hash 2058851120, now seen corresponding path program 1 times [2022-01-10 01:49:32,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:49:32,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067764937] [2022-01-10 01:49:32,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:49:32,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:49:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:32,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-01-10 01:49:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:32,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:49:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:32,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-10 01:49:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:32,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-10 01:49:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:32,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-01-10 01:49:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:32,693 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-01-10 01:49:32,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:49:32,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067764937] [2022-01-10 01:49:32,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067764937] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:49:32,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:49:32,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 01:49:32,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156114621] [2022-01-10 01:49:32,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:49:32,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 01:49:32,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:49:32,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 01:49:32,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-10 01:49:32,695 INFO L87 Difference]: Start difference. First operand 567 states and 895 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 01:49:34,711 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 [] [2022-01-10 01:49:35,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:49:35,374 INFO L93 Difference]: Finished difference Result 1105 states and 1722 transitions. [2022-01-10 01:49:35,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-10 01:49:35,375 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 103 [2022-01-10 01:49:35,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:49:35,378 INFO L225 Difference]: With dead ends: 1105 [2022-01-10 01:49:35,378 INFO L226 Difference]: Without dead ends: 608 [2022-01-10 01:49:35,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2022-01-10 01:49:35,381 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 366 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 265 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-01-10 01:49:35,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [391 Valid, 762 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 470 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-01-10 01:49:35,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2022-01-10 01:49:35,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 570. [2022-01-10 01:49:35,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 392 states have (on average 1.405612244897959) internal successors, (551), 400 states have internal predecessors, (551), 145 states have call successors, (145), 24 states have call predecessors, (145), 32 states have return successors, (198), 145 states have call predecessors, (198), 145 states have call successors, (198) [2022-01-10 01:49:35,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 894 transitions. [2022-01-10 01:49:35,401 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 894 transitions. Word has length 103 [2022-01-10 01:49:35,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:49:35,401 INFO L470 AbstractCegarLoop]: Abstraction has 570 states and 894 transitions. [2022-01-10 01:49:35,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 01:49:35,402 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 894 transitions. [2022-01-10 01:49:35,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-01-10 01:49:35,403 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:49:35,404 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:49:35,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 01:49:35,404 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:49:35,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:49:35,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1861347046, now seen corresponding path program 1 times [2022-01-10 01:49:35,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:49:35,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820221591] [2022-01-10 01:49:35,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:49:35,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:49:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:35,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-01-10 01:49:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:35,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:49:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:35,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-10 01:49:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:35,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-10 01:49:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:35,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-01-10 01:49:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:35,600 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-01-10 01:49:35,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:49:35,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820221591] [2022-01-10 01:49:35,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820221591] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:49:35,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:49:35,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 01:49:35,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520273339] [2022-01-10 01:49:35,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:49:35,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 01:49:35,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:49:35,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 01:49:35,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-10 01:49:35,602 INFO L87 Difference]: Start difference. First operand 570 states and 894 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 01:49:37,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 01:49:39,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 01:49:40,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 01:49:42,839 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 [] [2022-01-10 01:49:43,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:49:43,789 INFO L93 Difference]: Finished difference Result 1128 states and 1755 transitions. [2022-01-10 01:49:43,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-10 01:49:43,789 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 103 [2022-01-10 01:49:43,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:49:43,792 INFO L225 Difference]: With dead ends: 1128 [2022-01-10 01:49:43,792 INFO L226 Difference]: Without dead ends: 565 [2022-01-10 01:49:43,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2022-01-10 01:49:43,795 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 302 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 149 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-01-10 01:49:43,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [327 Valid, 836 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 635 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2022-01-10 01:49:43,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2022-01-10 01:49:43,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 527. [2022-01-10 01:49:43,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 370 states have (on average 1.3837837837837839) internal successors, (512), 375 states have internal predecessors, (512), 125 states have call successors, (125), 23 states have call predecessors, (125), 31 states have return successors, (166), 128 states have call predecessors, (166), 125 states have call successors, (166) [2022-01-10 01:49:43,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 803 transitions. [2022-01-10 01:49:43,813 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 803 transitions. Word has length 103 [2022-01-10 01:49:43,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:49:43,813 INFO L470 AbstractCegarLoop]: Abstraction has 527 states and 803 transitions. [2022-01-10 01:49:43,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 01:49:43,813 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 803 transitions. [2022-01-10 01:49:43,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-01-10 01:49:43,815 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:49:43,815 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:49:43,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 01:49:43,815 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:49:43,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:49:43,816 INFO L85 PathProgramCache]: Analyzing trace with hash 544197250, now seen corresponding path program 1 times [2022-01-10 01:49:43,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:49:43,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667114054] [2022-01-10 01:49:43,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:49:43,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:49:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:43,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-01-10 01:49:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:44,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-01-10 01:49:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:44,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-01-10 01:49:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:44,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-01-10 01:49:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:44,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-01-10 01:49:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:44,068 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-01-10 01:49:44,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:49:44,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667114054] [2022-01-10 01:49:44,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667114054] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:49:44,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:49:44,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 01:49:44,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933584246] [2022-01-10 01:49:44,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:49:44,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 01:49:44,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:49:44,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 01:49:44,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-10 01:49:44,070 INFO L87 Difference]: Start difference. First operand 527 states and 803 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 01:49:46,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 01:49:48,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 01:49:50,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 01:49:50,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:49:50,853 INFO L93 Difference]: Finished difference Result 897 states and 1333 transitions. [2022-01-10 01:49:50,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-10 01:49:50,854 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 103 [2022-01-10 01:49:50,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:49:50,859 INFO L225 Difference]: With dead ends: 897 [2022-01-10 01:49:50,860 INFO L226 Difference]: Without dead ends: 533 [2022-01-10 01:49:50,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2022-01-10 01:49:50,864 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 284 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 113 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-01-10 01:49:50,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 936 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 615 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2022-01-10 01:49:50,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2022-01-10 01:49:50,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 489. [2022-01-10 01:49:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 347 states have (on average 1.3688760806916427) internal successors, (475), 354 states have internal predecessors, (475), 110 states have call successors, (110), 23 states have call predecessors, (110), 31 states have return successors, (149), 111 states have call predecessors, (149), 110 states have call successors, (149) [2022-01-10 01:49:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 734 transitions. [2022-01-10 01:49:50,884 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 734 transitions. Word has length 103 [2022-01-10 01:49:50,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:49:50,885 INFO L470 AbstractCegarLoop]: Abstraction has 489 states and 734 transitions. [2022-01-10 01:49:50,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 01:49:50,885 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 734 transitions. [2022-01-10 01:49:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-10 01:49:50,887 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:49:50,887 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:49:50,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 01:49:50,887 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:49:50,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:49:50,888 INFO L85 PathProgramCache]: Analyzing trace with hash -689449485, now seen corresponding path program 1 times [2022-01-10 01:49:50,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:49:50,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120143632] [2022-01-10 01:49:50,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:49:50,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:49:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:52,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-01-10 01:49:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:52,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-01-10 01:49:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:52,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-01-10 01:49:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:52,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-01-10 01:49:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:52,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-01-10 01:49:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:52,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:49:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:52,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-10 01:49:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:52,609 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-01-10 01:49:52,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:49:52,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120143632] [2022-01-10 01:49:52,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120143632] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:49:52,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:49:52,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-10 01:49:52,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430810649] [2022-01-10 01:49:52,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:49:52,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 01:49:52,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:49:52,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 01:49:52,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-10 01:49:52,611 INFO L87 Difference]: Start difference. First operand 489 states and 734 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-01-10 01:49:54,686 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 [] [2022-01-10 01:49:55,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:49:55,151 INFO L93 Difference]: Finished difference Result 740 states and 1085 transitions. [2022-01-10 01:49:55,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 01:49:55,152 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 117 [2022-01-10 01:49:55,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:49:55,154 INFO L225 Difference]: With dead ends: 740 [2022-01-10 01:49:55,154 INFO L226 Difference]: Without dead ends: 507 [2022-01-10 01:49:55,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-01-10 01:49:55,156 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 106 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 162 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-01-10 01:49:55,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 845 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 465 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-01-10 01:49:55,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2022-01-10 01:49:55,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 493. [2022-01-10 01:49:55,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 351 states have (on average 1.3675213675213675) internal successors, (480), 358 states have internal predecessors, (480), 110 states have call successors, (110), 23 states have call predecessors, (110), 31 states have return successors, (149), 111 states have call predecessors, (149), 110 states have call successors, (149) [2022-01-10 01:49:55,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 739 transitions. [2022-01-10 01:49:55,173 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 739 transitions. Word has length 117 [2022-01-10 01:49:55,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:49:55,174 INFO L470 AbstractCegarLoop]: Abstraction has 493 states and 739 transitions. [2022-01-10 01:49:55,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-01-10 01:49:55,174 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 739 transitions. [2022-01-10 01:49:55,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-01-10 01:49:55,176 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:49:55,176 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:49:55,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 01:49:55,176 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:49:55,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:49:55,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1402171026, now seen corresponding path program 1 times [2022-01-10 01:49:55,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:49:55,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107379207] [2022-01-10 01:49:55,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:49:55,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:49:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:56,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-01-10 01:49:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:56,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-01-10 01:49:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:56,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-01-10 01:49:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:56,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-01-10 01:49:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:56,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-01-10 01:49:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:56,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-01-10 01:49:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:56,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-01-10 01:49:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:56,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:49:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:56,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-10 01:49:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:56,333 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2022-01-10 01:49:56,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:49:56,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107379207] [2022-01-10 01:49:56,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107379207] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:49:56,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:49:56,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-10 01:49:56,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494312770] [2022-01-10 01:49:56,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:49:56,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 01:49:56,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:49:56,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 01:49:56,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-01-10 01:49:56,335 INFO L87 Difference]: Start difference. First operand 493 states and 739 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-01-10 01:49:58,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 01:49:58,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:49:58,947 INFO L93 Difference]: Finished difference Result 817 states and 1194 transitions. [2022-01-10 01:49:58,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 01:49:58,948 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 137 [2022-01-10 01:49:58,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:49:58,950 INFO L225 Difference]: With dead ends: 817 [2022-01-10 01:49:58,950 INFO L226 Difference]: Without dead ends: 546 [2022-01-10 01:49:58,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2022-01-10 01:49:58,952 INFO L933 BasicCegarLoop]: 220 mSDtfsCounter, 99 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 65 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-01-10 01:49:58,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 909 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 681 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-01-10 01:49:58,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2022-01-10 01:49:58,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 534. [2022-01-10 01:49:58,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 382 states have (on average 1.3534031413612566) internal successors, (517), 391 states have internal predecessors, (517), 115 states have call successors, (115), 26 states have call predecessors, (115), 36 states have return successors, (160), 116 states have call predecessors, (160), 115 states have call successors, (160) [2022-01-10 01:49:58,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 792 transitions. [2022-01-10 01:49:58,973 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 792 transitions. Word has length 137 [2022-01-10 01:49:58,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:49:58,973 INFO L470 AbstractCegarLoop]: Abstraction has 534 states and 792 transitions. [2022-01-10 01:49:58,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-01-10 01:49:58,974 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 792 transitions. [2022-01-10 01:49:58,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-10 01:49:58,975 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:49:58,975 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:49:58,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 01:49:58,976 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:49:58,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:49:58,976 INFO L85 PathProgramCache]: Analyzing trace with hash 359767575, now seen corresponding path program 1 times [2022-01-10 01:49:58,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:49:58,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522106373] [2022-01-10 01:49:58,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:49:58,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:49:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:59,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-01-10 01:49:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:59,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-10 01:49:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:59,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-01-10 01:49:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:59,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-01-10 01:49:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:59,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-01-10 01:49:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:59,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-01-10 01:49:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:59,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-01-10 01:49:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:59,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-01-10 01:49:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:59,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-01-10 01:49:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:59,234 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-01-10 01:49:59,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:49:59,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522106373] [2022-01-10 01:49:59,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522106373] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 01:49:59,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270307997] [2022-01-10 01:49:59,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:49:59,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:49:59,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:49:59,235 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 01:49:59,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-10 01:49:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:49:59,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 21 conjunts are in the unsatisfiable core [2022-01-10 01:49:59,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 01:50:00,060 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-01-10 01:50:00,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 01:50:00,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270307997] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:50:00,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 01:50:00,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2022-01-10 01:50:00,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329712773] [2022-01-10 01:50:00,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:50:00,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 01:50:00,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:50:00,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 01:50:00,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-01-10 01:50:00,063 INFO L87 Difference]: Start difference. First operand 534 states and 792 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-10 01:50:00,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:50:00,436 INFO L93 Difference]: Finished difference Result 1318 states and 2063 transitions. [2022-01-10 01:50:00,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 01:50:00,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 135 [2022-01-10 01:50:00,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:50:00,441 INFO L225 Difference]: With dead ends: 1318 [2022-01-10 01:50:00,441 INFO L226 Difference]: Without dead ends: 814 [2022-01-10 01:50:00,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 146 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2022-01-10 01:50:00,445 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 321 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 01:50:00,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [324 Valid, 570 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 01:50:00,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2022-01-10 01:50:00,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 755. [2022-01-10 01:50:00,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 562 states have (on average 1.2455516014234875) internal successors, (700), 511 states have internal predecessors, (700), 134 states have call successors, (134), 31 states have call predecessors, (134), 58 states have return successors, (295), 212 states have call predecessors, (295), 134 states have call successors, (295) [2022-01-10 01:50:00,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1129 transitions. [2022-01-10 01:50:00,471 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1129 transitions. Word has length 135 [2022-01-10 01:50:00,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:50:00,471 INFO L470 AbstractCegarLoop]: Abstraction has 755 states and 1129 transitions. [2022-01-10 01:50:00,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-10 01:50:00,472 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1129 transitions. [2022-01-10 01:50:00,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-01-10 01:50:00,474 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:50:00,474 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:50:00,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-10 01:50:00,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:50:00,687 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:50:00,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:50:00,687 INFO L85 PathProgramCache]: Analyzing trace with hash -462837888, now seen corresponding path program 1 times [2022-01-10 01:50:00,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:50:00,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081549196] [2022-01-10 01:50:00,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:50:00,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:50:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:50:01,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-01-10 01:50:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:50:01,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-01-10 01:50:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:50:01,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-01-10 01:50:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:50:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-01-10 01:50:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:50:01,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-01-10 01:50:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:50:01,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-01-10 01:50:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:50:01,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-01-10 01:50:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:50:01,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-01-10 01:50:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:50:01,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-01-10 01:50:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:50:01,822 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-01-10 01:50:01,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:50:01,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081549196] [2022-01-10 01:50:01,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081549196] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 01:50:01,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314289651] [2022-01-10 01:50:01,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:50:01,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 01:50:01,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:50:01,823 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 01:50:01,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-10 01:50:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:50:02,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 1474 conjuncts, 95 conjunts are in the unsatisfiable core [2022-01-10 01:50:02,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 01:50:02,532 INFO L353 Elim1Store]: treesize reduction 64, result has 21.0 percent of original size [2022-01-10 01:50:02,532 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 50 treesize of output 56 [2022-01-10 01:50:02,675 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-01-10 01:50:02,781 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-01-10 01:50:02,902 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-01-10 01:50:03,014 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-01-10 01:50:03,129 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-01-10 01:50:03,307 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-01-10 01:50:03,423 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-01-10 01:50:03,509 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-01-10 01:50:03,665 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2022-01-10 01:50:03,671 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-01-10 01:50:03,751 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-01-10 01:50:03,755 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-01-10 01:50:03,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:03,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:03,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:03,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:03,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:03,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:03,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:03,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:05,417 INFO L353 Elim1Store]: treesize reduction 1908, result has 27.9 percent of original size [2022-01-10 01:50:05,417 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 9 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 12 new quantified variables, introduced 55 case distinctions, treesize of input 784 treesize of output 1060 [2022-01-10 01:50:05,480 INFO L353 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-01-10 01:50:05,480 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 76 [2022-01-10 01:50:05,562 INFO L353 Elim1Store]: treesize reduction 72, result has 29.4 percent of original size [2022-01-10 01:50:05,562 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 106 treesize of output 129 [2022-01-10 01:50:05,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:05,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:05,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:05,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:05,773 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 01:50:05,774 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 63 treesize of output 93 [2022-01-10 01:50:06,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:06,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:06,092 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 01:50:06,092 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 69 [2022-01-10 01:50:06,378 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:06,528 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:06,632 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:07,168 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:07,461 WARN L220 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:07,711 WARN L220 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:07,802 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:08,001 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:08,137 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:08,224 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:08,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:08,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:08,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:08,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:08,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:08,667 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 01:50:08,667 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 77 [2022-01-10 01:50:09,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:09,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:09,195 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2022-01-10 01:50:09,814 WARN L220 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:10,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:10,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:10,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:10,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:10,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:10,302 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 01:50:10,303 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 52 [2022-01-10 01:50:10,799 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:10,916 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:10,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:10,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:10,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:10,966 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2022-01-10 01:50:11,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:11,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:11,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:11,363 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2022-01-10 01:50:11,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:11,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:11,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:11,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:11,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:11,475 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 01:50:11,475 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 41 [2022-01-10 01:50:11,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:13,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:13,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:13,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:13,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:13,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:13,078 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2022-01-10 01:50:13,268 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:13,470 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:13,620 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:13,766 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:13,903 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:13,991 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 01:50:16,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:16,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:16,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:16,320 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 01:50:16,320 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-01-10 01:50:16,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:16,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:16,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:16,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:16,575 INFO L353 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-01-10 01:50:16,575 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 36 [2022-01-10 01:50:16,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:16,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:16,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:16,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:16,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:16,737 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 01:50:16,738 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 44 [2022-01-10 01:50:17,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 01:50:17,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:17,772 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2022-01-10 01:50:17,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:17,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:17,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:17,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:17,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:17,875 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 01:50:17,875 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 41 [2022-01-10 01:50:18,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:18,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:18,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:18,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:18,131 INFO L353 Elim1Store]: treesize reduction 8, result has 75.8 percent of original size [2022-01-10 01:50:18,131 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 30 treesize of output 44 [2022-01-10 01:50:18,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:18,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:18,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:18,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:18,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:18,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:18,370 INFO L353 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2022-01-10 01:50:18,371 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 60 [2022-01-10 01:50:18,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 01:50:18,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:18,863 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2022-01-10 01:50:18,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:18,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:18,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:18,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:18,942 INFO L353 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-01-10 01:50:18,943 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 30 treesize of output 1 [2022-01-10 01:50:19,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:19,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:19,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:19,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:19,324 INFO L353 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-01-10 01:50:19,324 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 36 [2022-01-10 01:50:19,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 01:50:19,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:19,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:19,411 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2022-01-10 01:50:19,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:19,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:19,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:19,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:19,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:19,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:19,986 INFO L353 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-01-10 01:50:19,986 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 1 [2022-01-10 01:50:20,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:20,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:20,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:20,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:20,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:20,199 INFO L353 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2022-01-10 01:50:20,200 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 35 treesize of output 55 [2022-01-10 01:50:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:21,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:21,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:21,261 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2022-01-10 01:50:21,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:21,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:21,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:21,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:21,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:21,750 INFO L353 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2022-01-10 01:50:21,750 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 32 [2022-01-10 01:50:23,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:23,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:23,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:23,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:23,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 01:50:23,267 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 01:50:23,268 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 73 treesize of output 115 [2022-01-10 01:50:26,039 WARN L234 Elim1Store]: Array PQE input equivalent to false