./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 23:46:32,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:46:32,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:46:32,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:46:32,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:46:32,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:46:32,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:46:32,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:46:32,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:46:32,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:46:32,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:46:32,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:46:32,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:46:32,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:46:32,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:46:32,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:46:32,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:46:32,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:46:32,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:46:32,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:46:32,982 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:46:32,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:46:32,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:46:32,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:46:32,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:46:32,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:46:32,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:46:32,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:46:32,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:46:32,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:46:32,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:46:32,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:46:32,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:46:32,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:46:32,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:46:32,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:46:32,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:46:32,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:46:32,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:46:32,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:46:32,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:46:32,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:46:32,998 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 23:46:33,020 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:46:33,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:46:33,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:46:33,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:46:33,022 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:46:33,022 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:46:33,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:46:33,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:46:33,023 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:46:33,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:46:33,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 23:46:33,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:46:33,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:46:33,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:46:33,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:46:33,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:46:33,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:46:33,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:46:33,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:46:33,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:46:33,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:46:33,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:46:33,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:46:33,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:46:33,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:46:33,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 23:46:33,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 23:46:33,028 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:46:33,028 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:46:33,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:46:33,028 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b [2022-07-13 23:46:33,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:46:33,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:46:33,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:46:33,215 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:46:33,216 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:46:33,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2022-07-13 23:46:33,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/775195abe/ffcf76b5aa36403c8d2a47145adbc4de/FLAG01f47e7fc [2022-07-13 23:46:33,724 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:46:33,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2022-07-13 23:46:33,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/775195abe/ffcf76b5aa36403c8d2a47145adbc4de/FLAG01f47e7fc [2022-07-13 23:46:33,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/775195abe/ffcf76b5aa36403c8d2a47145adbc4de [2022-07-13 23:46:34,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:46:34,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:46:34,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:46:34,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:46:34,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:46:34,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:46:33" (1/1) ... [2022-07-13 23:46:34,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49c892f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:46:34, skipping insertion in model container [2022-07-13 23:46:34,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:46:33" (1/1) ... [2022-07-13 23:46:34,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:46:34,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:46:34,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2022-07-13 23:46:34,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:46:34,710 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:46:34,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2022-07-13 23:46:34,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:46:34,908 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:46:34,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:46:34 WrapperNode [2022-07-13 23:46:34,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:46:34,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:46:34,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:46:34,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:46:34,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:46:34" (1/1) ... [2022-07-13 23:46:34,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:46:34" (1/1) ... [2022-07-13 23:46:35,037 INFO L137 Inliner]: procedures = 144, calls = 800, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 1462 [2022-07-13 23:46:35,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:46:35,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:46:35,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:46:35,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:46:35,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:46:34" (1/1) ... [2022-07-13 23:46:35,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:46:34" (1/1) ... [2022-07-13 23:46:35,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:46:34" (1/1) ... [2022-07-13 23:46:35,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:46:34" (1/1) ... [2022-07-13 23:46:35,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:46:34" (1/1) ... [2022-07-13 23:46:35,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:46:34" (1/1) ... [2022-07-13 23:46:35,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:46:34" (1/1) ... [2022-07-13 23:46:35,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:46:35,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:46:35,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:46:35,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:46:35,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:46:34" (1/1) ... [2022-07-13 23:46:35,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:46:35,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:46:35,187 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) [2022-07-13 23:46:35,208 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 [2022-07-13 23:46:35,237 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2022-07-13 23:46:35,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2022-07-13 23:46:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-07-13 23:46:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-07-13 23:46:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2022-07-13 23:46:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2022-07-13 23:46:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pt_mutex [2022-07-13 23:46:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pt_mutex [2022-07-13 23:46:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2022-07-13 23:46:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2022-07-13 23:46:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 23:46:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2022-07-13 23:46:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2022-07-13 23:46:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-07-13 23:46:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-07-13 23:46:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2022-07-13 23:46:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2022-07-13 23:46:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:46:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:46:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2022-07-13 23:46:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2022-07-13 23:46:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2022-07-13 23:46:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2022-07-13 23:46:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2022-07-13 23:46:35,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2022-07-13 23:46:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 23:46:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-13 23:46:35,241 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-13 23:46:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2022-07-13 23:46:35,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2022-07-13 23:46:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-13 23:46:35,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-13 23:46:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-13 23:46:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-13 23:46:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2022-07-13 23:46:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2022-07-13 23:46:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:46:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2022-07-13 23:46:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2022-07-13 23:46:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pt_mutex [2022-07-13 23:46:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pt_mutex [2022-07-13 23:46:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-13 23:46:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-13 23:46:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2022-07-13 23:46:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2022-07-13 23:46:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-13 23:46:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-13 23:46:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:46:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_17 [2022-07-13 23:46:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_17 [2022-07-13 23:46:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-13 23:46:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-13 23:46:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-13 23:46:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-13 23:46:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:46:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:46:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2022-07-13 23:46:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2022-07-13 23:46:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2022-07-13 23:46:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2022-07-13 23:46:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:46:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2022-07-13 23:46:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2022-07-13 23:46:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2022-07-13 23:46:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2022-07-13 23:46:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-07-13 23:46:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-07-13 23:46:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2022-07-13 23:46:35,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2022-07-13 23:46:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:46:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:46:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2022-07-13 23:46:35,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2022-07-13 23:46:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2022-07-13 23:46:35,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2022-07-13 23:46:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-13 23:46:35,248 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-13 23:46:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2022-07-13 23:46:35,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2022-07-13 23:46:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2022-07-13 23:46:35,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2022-07-13 23:46:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-07-13 23:46:35,248 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-07-13 23:46:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2022-07-13 23:46:35,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2022-07-13 23:46:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 23:46:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2022-07-13 23:46:35,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2022-07-13 23:46:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2022-07-13 23:46:35,249 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2022-07-13 23:46:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-13 23:46:35,249 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-13 23:46:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:46:35,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:46:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2022-07-13 23:46:35,250 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2022-07-13 23:46:35,548 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:46:35,551 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 23:46:40,818 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 23:46:40,826 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 23:46:40,827 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-13 23:46:40,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:46:40 BoogieIcfgContainer [2022-07-13 23:46:40,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 23:46:40,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 23:46:40,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 23:46:40,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 23:46:40,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:46:33" (1/3) ... [2022-07-13 23:46:40,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c75cb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:46:40, skipping insertion in model container [2022-07-13 23:46:40,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:46:34" (2/3) ... [2022-07-13 23:46:40,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c75cb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:46:40, skipping insertion in model container [2022-07-13 23:46:40,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:46:40" (3/3) ... [2022-07-13 23:46:40,849 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2022-07-13 23:46:40,859 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 23:46:40,860 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 23:46:40,939 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 23:46:40,944 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@23691a98, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3fec3db1 [2022-07-13 23:46:40,944 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 23:46:40,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 709 states, 502 states have (on average 1.3924302788844622) internal successors, (699), 524 states have internal predecessors, (699), 167 states have call successors, (167), 42 states have call predecessors, (167), 42 states have return successors, (167), 167 states have call predecessors, (167), 167 states have call successors, (167) [2022-07-13 23:46:40,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-13 23:46:40,956 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:46:40,956 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:46:40,957 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:46:40,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:46:40,960 INFO L85 PathProgramCache]: Analyzing trace with hash -47262178, now seen corresponding path program 1 times [2022-07-13 23:46:40,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:46:40,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497530284] [2022-07-13 23:46:40,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:40,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:46:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:41,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:46:41,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:46:41,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497530284] [2022-07-13 23:46:41,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497530284] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:46:41,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:46:41,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 23:46:41,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858093135] [2022-07-13 23:46:41,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:46:41,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:46:41,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:46:41,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:46:41,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:46:41,240 INFO L87 Difference]: Start difference. First operand has 709 states, 502 states have (on average 1.3924302788844622) internal successors, (699), 524 states have internal predecessors, (699), 167 states have call successors, (167), 42 states have call predecessors, (167), 42 states have return successors, (167), 167 states have call predecessors, (167), 167 states have call successors, (167) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:46:41,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:46:41,352 INFO L93 Difference]: Finished difference Result 1401 states and 2096 transitions. [2022-07-13 23:46:41,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:46:41,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-13 23:46:41,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:46:41,371 INFO L225 Difference]: With dead ends: 1401 [2022-07-13 23:46:41,372 INFO L226 Difference]: Without dead ends: 691 [2022-07-13 23:46:41,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:46:41,385 INFO L413 NwaCegarLoop]: 982 mSDtfsCounter, 973 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:46:41,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [973 Valid, 982 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:46:41,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2022-07-13 23:46:41,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 691. [2022-07-13 23:46:41,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 486 states have (on average 1.3559670781893005) internal successors, (659), 502 states have internal predecessors, (659), 163 states have call successors, (163), 42 states have call predecessors, (163), 41 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2022-07-13 23:46:41,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 979 transitions. [2022-07-13 23:46:41,470 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 979 transitions. Word has length 19 [2022-07-13 23:46:41,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:46:41,471 INFO L495 AbstractCegarLoop]: Abstraction has 691 states and 979 transitions. [2022-07-13 23:46:41,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:46:41,472 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 979 transitions. [2022-07-13 23:46:41,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-13 23:46:41,477 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:46:41,477 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:46:41,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 23:46:41,478 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:46:41,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:46:41,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1604484427, now seen corresponding path program 1 times [2022-07-13 23:46:41,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:46:41,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739650764] [2022-07-13 23:46:41,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:41,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:46:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:41,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-13 23:46:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:41,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:46:41,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:46:41,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739650764] [2022-07-13 23:46:41,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739650764] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:46:41,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:46:41,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:46:41,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772700114] [2022-07-13 23:46:41,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:46:41,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:46:41,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:46:41,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:46:41,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:46:41,591 INFO L87 Difference]: Start difference. First operand 691 states and 979 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:46:41,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:46:41,854 INFO L93 Difference]: Finished difference Result 1711 states and 2411 transitions. [2022-07-13 23:46:41,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:46:41,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-07-13 23:46:41,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:46:41,863 INFO L225 Difference]: With dead ends: 1711 [2022-07-13 23:46:41,863 INFO L226 Difference]: Without dead ends: 1023 [2022-07-13 23:46:41,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:46:41,867 INFO L413 NwaCegarLoop]: 1267 mSDtfsCounter, 466 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 2207 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 23:46:41,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 2207 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 23:46:41,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2022-07-13 23:46:41,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 995. [2022-07-13 23:46:41,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 995 states, 702 states have (on average 1.3532763532763532) internal successors, (950), 724 states have internal predecessors, (950), 228 states have call successors, (228), 65 states have call predecessors, (228), 64 states have return successors, (222), 222 states have call predecessors, (222), 222 states have call successors, (222) [2022-07-13 23:46:41,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1400 transitions. [2022-07-13 23:46:41,899 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1400 transitions. Word has length 21 [2022-07-13 23:46:41,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:46:41,899 INFO L495 AbstractCegarLoop]: Abstraction has 995 states and 1400 transitions. [2022-07-13 23:46:41,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:46:41,900 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1400 transitions. [2022-07-13 23:46:41,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-13 23:46:41,900 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:46:41,901 INFO L195 NwaCegarLoop]: 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] [2022-07-13 23:46:41,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 23:46:41,901 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:46:41,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:46:41,901 INFO L85 PathProgramCache]: Analyzing trace with hash 317112764, now seen corresponding path program 1 times [2022-07-13 23:46:41,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:46:41,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144206385] [2022-07-13 23:46:41,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:41,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:46:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:41,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 23:46:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:41,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:46:41,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:46:41,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144206385] [2022-07-13 23:46:41,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144206385] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:46:41,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:46:41,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 23:46:41,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308614098] [2022-07-13 23:46:41,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:46:41,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:46:41,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:46:41,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:46:41,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 23:46:41,971 INFO L87 Difference]: Start difference. First operand 995 states and 1400 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:46:45,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:46:47,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:46:47,096 INFO L93 Difference]: Finished difference Result 2555 states and 3603 transitions. [2022-07-13 23:46:47,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 23:46:47,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-13 23:46:47,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:46:47,103 INFO L225 Difference]: With dead ends: 2555 [2022-07-13 23:46:47,104 INFO L226 Difference]: Without dead ends: 1563 [2022-07-13 23:46:47,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:46:47,107 INFO L413 NwaCegarLoop]: 1523 mSDtfsCounter, 1080 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 467 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 2199 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 467 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:46:47,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 2199 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [467 Valid, 888 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-07-13 23:46:47,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1563 states. [2022-07-13 23:46:47,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1563 to 1559. [2022-07-13 23:46:47,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1559 states, 1100 states have (on average 1.3536363636363635) internal successors, (1489), 1130 states have internal predecessors, (1489), 357 states have call successors, (357), 102 states have call predecessors, (357), 101 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2022-07-13 23:46:47,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 2197 transitions. [2022-07-13 23:46:47,179 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 2197 transitions. Word has length 25 [2022-07-13 23:46:47,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:46:47,180 INFO L495 AbstractCegarLoop]: Abstraction has 1559 states and 2197 transitions. [2022-07-13 23:46:47,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:46:47,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 2197 transitions. [2022-07-13 23:46:47,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-13 23:46:47,182 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:46:47,187 INFO L195 NwaCegarLoop]: 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] [2022-07-13 23:46:47,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 23:46:47,187 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:46:47,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:46:47,188 INFO L85 PathProgramCache]: Analyzing trace with hash -781514518, now seen corresponding path program 1 times [2022-07-13 23:46:47,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:46:47,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700437070] [2022-07-13 23:46:47,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:47,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:46:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:47,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:46:47,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:46:47,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700437070] [2022-07-13 23:46:47,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700437070] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:46:47,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:46:47,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:46:47,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033809645] [2022-07-13 23:46:47,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:46:47,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:46:47,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:46:47,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:46:47,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:46:47,276 INFO L87 Difference]: Start difference. First operand 1559 states and 2197 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:46:47,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:46:47,369 INFO L93 Difference]: Finished difference Result 3141 states and 4431 transitions. [2022-07-13 23:46:47,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:46:47,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-07-13 23:46:47,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:46:47,377 INFO L225 Difference]: With dead ends: 3141 [2022-07-13 23:46:47,377 INFO L226 Difference]: Without dead ends: 1585 [2022-07-13 23:46:47,382 INFO L412 NwaCegarLoop]: 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 [2022-07-13 23:46:47,383 INFO L413 NwaCegarLoop]: 977 mSDtfsCounter, 12 mSDsluCounter, 972 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1949 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:46:47,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1949 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:46:47,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2022-07-13 23:46:47,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1561. [2022-07-13 23:46:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1561 states, 1102 states have (on average 1.352994555353902) internal successors, (1491), 1132 states have internal predecessors, (1491), 357 states have call successors, (357), 102 states have call predecessors, (357), 101 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2022-07-13 23:46:47,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1561 states and 2199 transitions. [2022-07-13 23:46:47,436 INFO L78 Accepts]: Start accepts. Automaton has 1561 states and 2199 transitions. Word has length 24 [2022-07-13 23:46:47,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:46:47,437 INFO L495 AbstractCegarLoop]: Abstraction has 1561 states and 2199 transitions. [2022-07-13 23:46:47,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:46:47,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 2199 transitions. [2022-07-13 23:46:47,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-13 23:46:47,438 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:46:47,438 INFO L195 NwaCegarLoop]: 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] [2022-07-13 23:46:47,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 23:46:47,439 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:46:47,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:46:47,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1053558324, now seen corresponding path program 1 times [2022-07-13 23:46:47,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:46:47,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880400267] [2022-07-13 23:46:47,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:47,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:46:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:47,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 23:46:47,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:46:47,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880400267] [2022-07-13 23:46:47,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880400267] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:46:47,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:46:47,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:46:47,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388798620] [2022-07-13 23:46:47,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:46:47,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:46:47,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:46:47,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:46:47,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:46:47,528 INFO L87 Difference]: Start difference. First operand 1561 states and 2199 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:46:47,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:46:47,582 INFO L93 Difference]: Finished difference Result 3572 states and 5113 transitions. [2022-07-13 23:46:47,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:46:47,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-07-13 23:46:47,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:46:47,593 INFO L225 Difference]: With dead ends: 3572 [2022-07-13 23:46:47,594 INFO L226 Difference]: Without dead ends: 2014 [2022-07-13 23:46:47,600 INFO L412 NwaCegarLoop]: 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 [2022-07-13 23:46:47,602 INFO L413 NwaCegarLoop]: 1341 mSDtfsCounter, 259 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 2364 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:46:47,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 2364 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:46:47,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2014 states. [2022-07-13 23:46:47,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2014 to 1573. [2022-07-13 23:46:47,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1114 states have (on average 1.35278276481149) internal successors, (1507), 1144 states have internal predecessors, (1507), 357 states have call successors, (357), 102 states have call predecessors, (357), 101 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2022-07-13 23:46:47,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2215 transitions. [2022-07-13 23:46:47,680 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2215 transitions. Word has length 29 [2022-07-13 23:46:47,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:46:47,681 INFO L495 AbstractCegarLoop]: Abstraction has 1573 states and 2215 transitions. [2022-07-13 23:46:47,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:46:47,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2215 transitions. [2022-07-13 23:46:47,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-13 23:46:47,684 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:46:47,684 INFO L195 NwaCegarLoop]: 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] [2022-07-13 23:46:47,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 23:46:47,685 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:46:47,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:46:47,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1747046649, now seen corresponding path program 1 times [2022-07-13 23:46:47,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:46:47,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547633597] [2022-07-13 23:46:47,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:47,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:46:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:47,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 23:46:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:46:47,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:46:47,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547633597] [2022-07-13 23:46:47,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547633597] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:46:47,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938842043] [2022-07-13 23:46:47,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:47,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:46:47,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:46:47,804 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) [2022-07-13 23:46:47,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 23:46:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:48,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 23:46:48,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:46:48,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 23:46:48,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:46:48,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938842043] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:46:48,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:46:48,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-13 23:46:48,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348639681] [2022-07-13 23:46:48,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:46:48,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:46:48,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:46:48,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:46:48,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:46:48,192 INFO L87 Difference]: Start difference. First operand 1573 states and 2215 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:46:48,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:46:48,238 INFO L93 Difference]: Finished difference Result 1595 states and 2241 transitions. [2022-07-13 23:46:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:46:48,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-07-13 23:46:48,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:46:48,246 INFO L225 Difference]: With dead ends: 1595 [2022-07-13 23:46:48,246 INFO L226 Difference]: Without dead ends: 1584 [2022-07-13 23:46:48,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:46:48,248 INFO L413 NwaCegarLoop]: 991 mSDtfsCounter, 974 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:46:48,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 1004 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:46:48,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2022-07-13 23:46:48,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1573. [2022-07-13 23:46:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1114 states have (on average 1.3509874326750448) internal successors, (1505), 1144 states have internal predecessors, (1505), 357 states have call successors, (357), 102 states have call predecessors, (357), 101 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2022-07-13 23:46:48,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2213 transitions. [2022-07-13 23:46:48,295 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2213 transitions. Word has length 35 [2022-07-13 23:46:48,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:46:48,295 INFO L495 AbstractCegarLoop]: Abstraction has 1573 states and 2213 transitions. [2022-07-13 23:46:48,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:46:48,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2213 transitions. [2022-07-13 23:46:48,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-13 23:46:48,297 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:46:48,297 INFO L195 NwaCegarLoop]: 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] [2022-07-13 23:46:48,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 23:46:48,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-13 23:46:48,516 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:46:48,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:46:48,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1804304951, now seen corresponding path program 1 times [2022-07-13 23:46:48,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:46:48,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103915236] [2022-07-13 23:46:48,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:48,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:46:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:48,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 23:46:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:48,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:46:48,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:46:48,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103915236] [2022-07-13 23:46:48,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103915236] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:46:48,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045032186] [2022-07-13 23:46:48,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:48,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:46:48,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:46:48,580 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) [2022-07-13 23:46:48,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 23:46:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:48,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 23:46:48,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:46:48,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 23:46:48,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:46:48,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045032186] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:46:48,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:46:48,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-13 23:46:48,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818520381] [2022-07-13 23:46:48,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:46:48,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:46:48,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:46:48,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:46:48,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:46:48,943 INFO L87 Difference]: Start difference. First operand 1573 states and 2213 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:46:48,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:46:48,982 INFO L93 Difference]: Finished difference Result 1575 states and 2214 transitions. [2022-07-13 23:46:48,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:46:48,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-07-13 23:46:48,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:46:48,989 INFO L225 Difference]: With dead ends: 1575 [2022-07-13 23:46:48,989 INFO L226 Difference]: Without dead ends: 1572 [2022-07-13 23:46:48,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:46:48,990 INFO L413 NwaCegarLoop]: 976 mSDtfsCounter, 945 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:46:48,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [945 Valid, 976 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:46:48,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2022-07-13 23:46:49,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1572. [2022-07-13 23:46:49,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1114 states have (on average 1.3500897666068223) internal successors, (1504), 1143 states have internal predecessors, (1504), 356 states have call successors, (356), 102 states have call predecessors, (356), 101 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2022-07-13 23:46:49,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2211 transitions. [2022-07-13 23:46:49,032 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2211 transitions. Word has length 35 [2022-07-13 23:46:49,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:46:49,032 INFO L495 AbstractCegarLoop]: Abstraction has 1572 states and 2211 transitions. [2022-07-13 23:46:49,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:46:49,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2211 transitions. [2022-07-13 23:46:49,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-13 23:46:49,033 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:46:49,033 INFO L195 NwaCegarLoop]: 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] [2022-07-13 23:46:49,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 23:46:49,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-07-13 23:46:49,247 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:46:49,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:46:49,248 INFO L85 PathProgramCache]: Analyzing trace with hash 98495690, now seen corresponding path program 1 times [2022-07-13 23:46:49,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:46:49,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798763023] [2022-07-13 23:46:49,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:49,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:46:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:49,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 23:46:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:46:49,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:46:49,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798763023] [2022-07-13 23:46:49,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798763023] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:46:49,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108060812] [2022-07-13 23:46:49,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:49,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:46:49,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:46:49,307 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) [2022-07-13 23:46:49,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 23:46:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:49,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 23:46:49,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:46:49,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 23:46:49,627 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:46:49,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108060812] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:46:49,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:46:49,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-13 23:46:49,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211682635] [2022-07-13 23:46:49,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:46:49,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:46:49,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:46:49,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:46:49,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:46:49,628 INFO L87 Difference]: Start difference. First operand 1572 states and 2211 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:46:49,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:46:49,669 INFO L93 Difference]: Finished difference Result 1574 states and 2212 transitions. [2022-07-13 23:46:49,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:46:49,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-07-13 23:46:49,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:46:49,676 INFO L225 Difference]: With dead ends: 1574 [2022-07-13 23:46:49,676 INFO L226 Difference]: Without dead ends: 1571 [2022-07-13 23:46:49,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:46:49,677 INFO L413 NwaCegarLoop]: 974 mSDtfsCounter, 942 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 942 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:46:49,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [942 Valid, 974 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:46:49,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2022-07-13 23:46:49,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1571. [2022-07-13 23:46:49,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1114 states have (on average 1.3491921005385996) internal successors, (1503), 1142 states have internal predecessors, (1503), 355 states have call successors, (355), 102 states have call predecessors, (355), 101 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2022-07-13 23:46:49,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2209 transitions. [2022-07-13 23:46:49,719 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2209 transitions. Word has length 36 [2022-07-13 23:46:49,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:46:49,719 INFO L495 AbstractCegarLoop]: Abstraction has 1571 states and 2209 transitions. [2022-07-13 23:46:49,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:46:49,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2209 transitions. [2022-07-13 23:46:49,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-13 23:46:49,720 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:46:49,720 INFO L195 NwaCegarLoop]: 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] [2022-07-13 23:46:49,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-13 23:46:49,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:46:49,936 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:46:49,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:46:49,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1241978982, now seen corresponding path program 1 times [2022-07-13 23:46:49,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:46:49,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826975287] [2022-07-13 23:46:49,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:49,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:46:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:49,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 23:46:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:49,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:46:49,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:46:49,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826975287] [2022-07-13 23:46:49,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826975287] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:46:49,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194002695] [2022-07-13 23:46:49,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:49,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:46:49,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:46:49,995 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) [2022-07-13 23:46:49,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-13 23:46:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:50,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 23:46:50,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:46:50,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 23:46:50,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:46:50,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194002695] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:46:50,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:46:50,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-13 23:46:50,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901387528] [2022-07-13 23:46:50,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:46:50,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:46:50,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:46:50,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:46:50,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:46:50,398 INFO L87 Difference]: Start difference. First operand 1571 states and 2209 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:46:50,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:46:50,452 INFO L93 Difference]: Finished difference Result 1573 states and 2210 transitions. [2022-07-13 23:46:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:46:50,453 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2022-07-13 23:46:50,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:46:50,462 INFO L225 Difference]: With dead ends: 1573 [2022-07-13 23:46:50,462 INFO L226 Difference]: Without dead ends: 1570 [2022-07-13 23:46:50,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:46:50,465 INFO L413 NwaCegarLoop]: 972 mSDtfsCounter, 939 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:46:50,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [939 Valid, 972 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:46:50,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2022-07-13 23:46:50,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1570. [2022-07-13 23:46:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1114 states have (on average 1.3482944344703771) internal successors, (1502), 1141 states have internal predecessors, (1502), 354 states have call successors, (354), 102 states have call predecessors, (354), 101 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2022-07-13 23:46:50,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2207 transitions. [2022-07-13 23:46:50,519 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2207 transitions. Word has length 37 [2022-07-13 23:46:50,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:46:50,520 INFO L495 AbstractCegarLoop]: Abstraction has 1570 states and 2207 transitions. [2022-07-13 23:46:50,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:46:50,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2207 transitions. [2022-07-13 23:46:50,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-13 23:46:50,521 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:46:50,521 INFO L195 NwaCegarLoop]: 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] [2022-07-13 23:46:50,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-13 23:46:50,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:46:50,743 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:46:50,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:46:50,744 INFO L85 PathProgramCache]: Analyzing trace with hash 152984013, now seen corresponding path program 1 times [2022-07-13 23:46:50,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:46:50,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376050595] [2022-07-13 23:46:50,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:50,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:46:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:50,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 23:46:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:46:50,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:46:50,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376050595] [2022-07-13 23:46:50,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376050595] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:46:50,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579802799] [2022-07-13 23:46:50,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:50,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:46:50,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:46:50,838 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) [2022-07-13 23:46:50,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-13 23:46:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:51,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 23:46:51,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:46:51,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 23:46:51,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:46:51,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579802799] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:46:51,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:46:51,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-13 23:46:51,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796884612] [2022-07-13 23:46:51,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:46:51,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:46:51,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:46:51,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:46:51,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:46:51,172 INFO L87 Difference]: Start difference. First operand 1570 states and 2207 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:46:51,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:46:51,223 INFO L93 Difference]: Finished difference Result 2023 states and 2795 transitions. [2022-07-13 23:46:51,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:46:51,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-07-13 23:46:51,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:46:51,232 INFO L225 Difference]: With dead ends: 2023 [2022-07-13 23:46:51,232 INFO L226 Difference]: Without dead ends: 1986 [2022-07-13 23:46:51,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:46:51,233 INFO L413 NwaCegarLoop]: 1104 mSDtfsCounter, 869 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 1505 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:46:51,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 1505 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:46:51,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2022-07-13 23:46:51,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1986. [2022-07-13 23:46:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1986 states, 1382 states have (on average 1.3277858176555717) internal successors, (1835), 1417 states have internal predecessors, (1835), 457 states have call successors, (457), 147 states have call predecessors, (457), 146 states have return successors, (456), 456 states have call predecessors, (456), 456 states have call successors, (456) [2022-07-13 23:46:51,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2748 transitions. [2022-07-13 23:46:51,287 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2748 transitions. Word has length 38 [2022-07-13 23:46:51,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:46:51,287 INFO L495 AbstractCegarLoop]: Abstraction has 1986 states and 2748 transitions. [2022-07-13 23:46:51,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:46:51,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2748 transitions. [2022-07-13 23:46:51,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-13 23:46:51,289 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:46:51,289 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:46:51,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-13 23:46:51,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-13 23:46:51,504 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:46:51,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:46:51,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1358020866, now seen corresponding path program 1 times [2022-07-13 23:46:51,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:46:51,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281417953] [2022-07-13 23:46:51,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:51,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:46:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:51,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 23:46:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:51,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-13 23:46:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:51,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-13 23:46:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:51,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 23:46:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:51,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:46:51,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:46:51,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281417953] [2022-07-13 23:46:51,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281417953] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:46:51,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958852698] [2022-07-13 23:46:51,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:51,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:46:51,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:46:51,611 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:46:51,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-13 23:46:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:51,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:46:51,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:46:51,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 23:46:51,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:46:51,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958852698] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:46:51,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:46:51,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-13 23:46:51,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406256682] [2022-07-13 23:46:51,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:46:51,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:46:51,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:46:51,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:46:51,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 23:46:51,939 INFO L87 Difference]: Start difference. First operand 1986 states and 2748 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 23:46:51,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:46:51,998 INFO L93 Difference]: Finished difference Result 3979 states and 5508 transitions. [2022-07-13 23:46:51,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:46:51,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 67 [2022-07-13 23:46:51,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:46:52,006 INFO L225 Difference]: With dead ends: 3979 [2022-07-13 23:46:52,006 INFO L226 Difference]: Without dead ends: 1996 [2022-07-13 23:46:52,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 23:46:52,012 INFO L413 NwaCegarLoop]: 930 mSDtfsCounter, 9 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:46:52,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1854 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:46:52,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2022-07-13 23:46:52,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1988. [2022-07-13 23:46:52,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1988 states, 1384 states have (on average 1.3273121387283238) internal successors, (1837), 1419 states have internal predecessors, (1837), 457 states have call successors, (457), 147 states have call predecessors, (457), 146 states have return successors, (456), 456 states have call predecessors, (456), 456 states have call successors, (456) [2022-07-13 23:46:52,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1988 states and 2750 transitions. [2022-07-13 23:46:52,086 INFO L78 Accepts]: Start accepts. Automaton has 1988 states and 2750 transitions. Word has length 67 [2022-07-13 23:46:52,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:46:52,086 INFO L495 AbstractCegarLoop]: Abstraction has 1988 states and 2750 transitions. [2022-07-13 23:46:52,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 23:46:52,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2750 transitions. [2022-07-13 23:46:52,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-13 23:46:52,088 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:46:52,089 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:46:52,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-13 23:46:52,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:46:52,308 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:46:52,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:46:52,309 INFO L85 PathProgramCache]: Analyzing trace with hash -192002445, now seen corresponding path program 1 times [2022-07-13 23:46:52,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:46:52,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049395408] [2022-07-13 23:46:52,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:52,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:46:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:52,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 23:46:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:52,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 23:46:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:52,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-13 23:46:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:52,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-13 23:46:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:52,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 23:46:52,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:46:52,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049395408] [2022-07-13 23:46:52,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049395408] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:46:52,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323568687] [2022-07-13 23:46:52,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:46:52,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:46:52,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:46:52,393 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:46:52,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-13 23:46:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:46:52,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 1283 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 23:46:52,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:46:52,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 23:46:52,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 23:46:52,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 23:46:52,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323568687] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 23:46:52,778 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 23:46:52,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-07-13 23:46:52,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284648904] [2022-07-13 23:46:52,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 23:46:52,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 23:46:52,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:46:52,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 23:46:52,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-13 23:46:52,780 INFO L87 Difference]: Start difference. First operand 1988 states and 2750 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 1 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-07-13 23:46:56,991 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 [] [2022-07-13 23:46:58,999 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 [] [2022-07-13 23:47:01,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:47:01,637 INFO L93 Difference]: Finished difference Result 4075 states and 5651 transitions. [2022-07-13 23:47:01,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 23:47:01,637 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 1 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 71 [2022-07-13 23:47:01,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:47:01,646 INFO L225 Difference]: With dead ends: 4075 [2022-07-13 23:47:01,646 INFO L226 Difference]: Without dead ends: 2090 [2022-07-13 23:47:01,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-13 23:47:01,652 INFO L413 NwaCegarLoop]: 840 mSDtfsCounter, 448 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 177 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 1603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-07-13 23:47:01,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 1739 Invalid, 1603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 1424 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2022-07-13 23:47:01,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2090 states. [2022-07-13 23:47:01,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2090 to 2090. [2022-07-13 23:47:01,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2090 states, 1468 states have (on average 1.3235694822888284) internal successors, (1943), 1503 states have internal predecessors, (1943), 475 states have call successors, (475), 147 states have call predecessors, (475), 146 states have return successors, (474), 474 states have call predecessors, (474), 474 states have call successors, (474) [2022-07-13 23:47:01,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 2090 states and 2892 transitions. [2022-07-13 23:47:01,744 INFO L78 Accepts]: Start accepts. Automaton has 2090 states and 2892 transitions. Word has length 71 [2022-07-13 23:47:01,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:47:01,744 INFO L495 AbstractCegarLoop]: Abstraction has 2090 states and 2892 transitions. [2022-07-13 23:47:01,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 1 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-07-13 23:47:01,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2892 transitions. [2022-07-13 23:47:01,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-07-13 23:47:01,747 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:47:01,747 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2022-07-13 23:47:01,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-13 23:47:01,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:47:01,952 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:47:01,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:47:01,952 INFO L85 PathProgramCache]: Analyzing trace with hash -830434775, now seen corresponding path program 2 times [2022-07-13 23:47:01,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:47:01,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506410275] [2022-07-13 23:47:01,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:47:01,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:47:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:47:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:02,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 23:47:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:02,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-13 23:47:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:02,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-13 23:47:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:02,056 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-07-13 23:47:02,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:47:02,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506410275] [2022-07-13 23:47:02,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506410275] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:47:02,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:47:02,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 23:47:02,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413749650] [2022-07-13 23:47:02,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:47:02,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 23:47:02,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:47:02,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 23:47:02,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:47:02,058 INFO L87 Difference]: Start difference. First operand 2090 states and 2892 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 23:47:05,853 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 [] [2022-07-13 23:47:07,878 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 [] [2022-07-13 23:47:10,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:47:10,412 INFO L93 Difference]: Finished difference Result 4567 states and 6401 transitions. [2022-07-13 23:47:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 23:47:10,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2022-07-13 23:47:10,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:47:10,421 INFO L225 Difference]: With dead ends: 4567 [2022-07-13 23:47:10,421 INFO L226 Difference]: Without dead ends: 2480 [2022-07-13 23:47:10,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-13 23:47:10,426 INFO L413 NwaCegarLoop]: 1108 mSDtfsCounter, 764 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 249 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 861 SdHoareTripleChecker+Valid, 2281 SdHoareTripleChecker+Invalid, 1680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-07-13 23:47:10,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [861 Valid, 2281 Invalid, 1680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 1429 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2022-07-13 23:47:10,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2480 states. [2022-07-13 23:47:10,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2480 to 2094. [2022-07-13 23:47:10,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2094 states, 1472 states have (on average 1.3226902173913044) internal successors, (1947), 1507 states have internal predecessors, (1947), 475 states have call successors, (475), 147 states have call predecessors, (475), 146 states have return successors, (474), 474 states have call predecessors, (474), 474 states have call successors, (474) [2022-07-13 23:47:10,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 2094 states and 2896 transitions. [2022-07-13 23:47:10,488 INFO L78 Accepts]: Start accepts. Automaton has 2094 states and 2896 transitions. Word has length 86 [2022-07-13 23:47:10,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:47:10,488 INFO L495 AbstractCegarLoop]: Abstraction has 2094 states and 2896 transitions. [2022-07-13 23:47:10,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 23:47:10,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2094 states and 2896 transitions. [2022-07-13 23:47:10,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-07-13 23:47:10,490 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:47:10,490 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2022-07-13 23:47:10,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-13 23:47:10,490 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:47:10,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:47:10,491 INFO L85 PathProgramCache]: Analyzing trace with hash -477346393, now seen corresponding path program 1 times [2022-07-13 23:47:10,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:47:10,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571760473] [2022-07-13 23:47:10,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:47:10,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:47:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:10,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:47:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:10,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 23:47:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:10,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-13 23:47:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:10,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-13 23:47:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:10,599 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-07-13 23:47:10,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:47:10,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571760473] [2022-07-13 23:47:10,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571760473] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:47:10,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:47:10,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 23:47:10,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000666021] [2022-07-13 23:47:10,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:47:10,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:47:10,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:47:10,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:47:10,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 23:47:10,601 INFO L87 Difference]: Start difference. First operand 2094 states and 2896 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 23:47:13,399 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 [] [2022-07-13 23:47:14,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:47:14,726 INFO L93 Difference]: Finished difference Result 4673 states and 6557 transitions. [2022-07-13 23:47:14,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 23:47:14,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2022-07-13 23:47:14,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:47:14,735 INFO L225 Difference]: With dead ends: 4673 [2022-07-13 23:47:14,735 INFO L226 Difference]: Without dead ends: 2582 [2022-07-13 23:47:14,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 23:47:14,740 INFO L413 NwaCegarLoop]: 1118 mSDtfsCounter, 583 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 161 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 1932 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:47:14,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 1932 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 818 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-07-13 23:47:14,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2582 states. [2022-07-13 23:47:14,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2582 to 2196. [2022-07-13 23:47:14,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2196 states, 1550 states have (on average 1.323225806451613) internal successors, (2051), 1585 states have internal predecessors, (2051), 499 states have call successors, (499), 147 states have call predecessors, (499), 146 states have return successors, (498), 498 states have call predecessors, (498), 498 states have call successors, (498) [2022-07-13 23:47:14,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 2196 states and 3048 transitions. [2022-07-13 23:47:14,809 INFO L78 Accepts]: Start accepts. Automaton has 2196 states and 3048 transitions. Word has length 86 [2022-07-13 23:47:14,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:47:14,809 INFO L495 AbstractCegarLoop]: Abstraction has 2196 states and 3048 transitions. [2022-07-13 23:47:14,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 23:47:14,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 3048 transitions. [2022-07-13 23:47:14,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-13 23:47:14,812 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:47:14,812 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2022-07-13 23:47:14,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-13 23:47:14,812 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:47:14,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:47:14,813 INFO L85 PathProgramCache]: Analyzing trace with hash -113690984, now seen corresponding path program 1 times [2022-07-13 23:47:14,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:47:14,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029561410] [2022-07-13 23:47:14,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:47:14,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:47:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:14,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:47:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:14,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:47:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:14,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-13 23:47:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:14,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 23:47:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:14,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-13 23:47:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:14,963 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-07-13 23:47:14,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:47:14,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029561410] [2022-07-13 23:47:14,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029561410] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:47:14,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:47:14,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 23:47:14,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851618766] [2022-07-13 23:47:14,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:47:14,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 23:47:14,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:47:14,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 23:47:14,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 23:47:14,965 INFO L87 Difference]: Start difference. First operand 2196 states and 3048 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-13 23:47:21,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:47:23,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:47:26,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:47:26,872 INFO L93 Difference]: Finished difference Result 5230 states and 7492 transitions. [2022-07-13 23:47:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 23:47:26,873 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 96 [2022-07-13 23:47:26,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:47:26,888 INFO L225 Difference]: With dead ends: 5230 [2022-07-13 23:47:26,888 INFO L226 Difference]: Without dead ends: 3037 [2022-07-13 23:47:26,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 23:47:26,894 INFO L413 NwaCegarLoop]: 1154 mSDtfsCounter, 840 mSDsluCounter, 2366 mSDsCounter, 0 mSdLazyCounter, 2930 mSolverCounterSat, 472 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 3520 SdHoareTripleChecker+Invalid, 3404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 472 IncrementalHoareTripleChecker+Valid, 2930 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-07-13 23:47:26,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 3520 Invalid, 3404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [472 Valid, 2930 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2022-07-13 23:47:26,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3037 states. [2022-07-13 23:47:27,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3037 to 2208. [2022-07-13 23:47:27,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2208 states, 1560 states have (on average 1.3211538461538461) internal successors, (2061), 1593 states have internal predecessors, (2061), 499 states have call successors, (499), 147 states have call predecessors, (499), 148 states have return successors, (516), 502 states have call predecessors, (516), 498 states have call successors, (516) [2022-07-13 23:47:27,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 2208 states and 3076 transitions. [2022-07-13 23:47:27,021 INFO L78 Accepts]: Start accepts. Automaton has 2208 states and 3076 transitions. Word has length 96 [2022-07-13 23:47:27,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:47:27,021 INFO L495 AbstractCegarLoop]: Abstraction has 2208 states and 3076 transitions. [2022-07-13 23:47:27,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-13 23:47:27,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 3076 transitions. [2022-07-13 23:47:27,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-13 23:47:27,023 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:47:27,024 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 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] [2022-07-13 23:47:27,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-13 23:47:27,024 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:47:27,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:47:27,024 INFO L85 PathProgramCache]: Analyzing trace with hash -140112062, now seen corresponding path program 1 times [2022-07-13 23:47:27,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:47:27,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506606851] [2022-07-13 23:47:27,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:47:27,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:47:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 23:47:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:27,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-13 23:47:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:27,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-13 23:47:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:27,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 23:47:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:27,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-13 23:47:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:27,167 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-13 23:47:27,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:47:27,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506606851] [2022-07-13 23:47:27,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506606851] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:47:27,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:47:27,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 23:47:27,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916187229] [2022-07-13 23:47:27,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:47:27,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 23:47:27,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:47:27,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 23:47:27,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 23:47:27,171 INFO L87 Difference]: Start difference. First operand 2208 states and 3076 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-13 23:47:29,603 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:47:37,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:47:39,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:47:41,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:47:42,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:47:42,453 INFO L93 Difference]: Finished difference Result 5452 states and 7832 transitions. [2022-07-13 23:47:42,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 23:47:42,454 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 96 [2022-07-13 23:47:42,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:47:42,471 INFO L225 Difference]: With dead ends: 5452 [2022-07-13 23:47:42,471 INFO L226 Difference]: Without dead ends: 3247 [2022-07-13 23:47:42,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-07-13 23:47:42,477 INFO L413 NwaCegarLoop]: 1087 mSDtfsCounter, 870 mSDsluCounter, 2150 mSDsCounter, 0 mSdLazyCounter, 2909 mSolverCounterSat, 516 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1010 SdHoareTripleChecker+Valid, 3237 SdHoareTripleChecker+Invalid, 3428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 516 IncrementalHoareTripleChecker+Valid, 2909 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:47:42,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1010 Valid, 3237 Invalid, 3428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [516 Valid, 2909 Invalid, 3 Unknown, 0 Unchecked, 15.1s Time] [2022-07-13 23:47:42,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3247 states. [2022-07-13 23:47:42,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3247 to 2236. [2022-07-13 23:47:42,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2236 states, 1588 states have (on average 1.3154911838790933) internal successors, (2089), 1607 states have internal predecessors, (2089), 499 states have call successors, (499), 147 states have call predecessors, (499), 148 states have return successors, (516), 516 states have call predecessors, (516), 498 states have call successors, (516) [2022-07-13 23:47:42,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 3104 transitions. [2022-07-13 23:47:42,604 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 3104 transitions. Word has length 96 [2022-07-13 23:47:42,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:47:42,605 INFO L495 AbstractCegarLoop]: Abstraction has 2236 states and 3104 transitions. [2022-07-13 23:47:42,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-13 23:47:42,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 3104 transitions. [2022-07-13 23:47:42,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-13 23:47:42,608 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:47:42,608 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:47:42,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-13 23:47:42,609 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:47:42,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:47:42,609 INFO L85 PathProgramCache]: Analyzing trace with hash 2093842028, now seen corresponding path program 1 times [2022-07-13 23:47:42,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:47:42,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966546870] [2022-07-13 23:47:42,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:47:42,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:47:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:42,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:47:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:42,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:47:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:42,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:47:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:42,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:47:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:42,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:47:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:42,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:47:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:42,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:47:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:42,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:47:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:42,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-13 23:47:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:43,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-13 23:47:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:43,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:47:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:43,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:47:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:43,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:47:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:43,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:47:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:43,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:47:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:43,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:47:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:43,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:47:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:43,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:47:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:43,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:47:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:43,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-13 23:47:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:43,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-13 23:47:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:43,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-13 23:47:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:43,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-13 23:47:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:43,158 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-07-13 23:47:43,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:47:43,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966546870] [2022-07-13 23:47:43,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966546870] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:47:43,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:47:43,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-13 23:47:43,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897378063] [2022-07-13 23:47:43,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:47:43,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-13 23:47:43,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:47:43,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-13 23:47:43,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-07-13 23:47:43,161 INFO L87 Difference]: Start difference. First operand 2236 states and 3104 transitions. Second operand has 10 states, 10 states have (on average 11.9) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (25), 8 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-13 23:47:45,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:47:53,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:47:57,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:47:57,525 INFO L93 Difference]: Finished difference Result 5302 states and 7672 transitions. [2022-07-13 23:47:57,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-13 23:47:57,526 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.9) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (25), 8 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 194 [2022-07-13 23:47:57,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:47:57,537 INFO L225 Difference]: With dead ends: 5302 [2022-07-13 23:47:57,537 INFO L226 Difference]: Without dead ends: 3069 [2022-07-13 23:47:57,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2022-07-13 23:47:57,542 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 1381 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 3579 mSolverCounterSat, 1191 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1415 SdHoareTripleChecker+Valid, 2573 SdHoareTripleChecker+Invalid, 4771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1191 IncrementalHoareTripleChecker+Valid, 3579 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:47:57,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1415 Valid, 2573 Invalid, 4771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1191 Valid, 3579 Invalid, 1 Unknown, 0 Unchecked, 14.1s Time] [2022-07-13 23:47:57,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3069 states. [2022-07-13 23:47:57,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3069 to 2240. [2022-07-13 23:47:57,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2240 states, 1592 states have (on average 1.3146984924623115) internal successors, (2093), 1609 states have internal predecessors, (2093), 499 states have call successors, (499), 147 states have call predecessors, (499), 148 states have return successors, (516), 516 states have call predecessors, (516), 498 states have call successors, (516) [2022-07-13 23:47:57,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 3108 transitions. [2022-07-13 23:47:57,649 INFO L78 Accepts]: Start accepts. Automaton has 2240 states and 3108 transitions. Word has length 194 [2022-07-13 23:47:57,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:47:57,650 INFO L495 AbstractCegarLoop]: Abstraction has 2240 states and 3108 transitions. [2022-07-13 23:47:57,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.9) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (25), 8 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-13 23:47:57,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 3108 transitions. [2022-07-13 23:47:57,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-13 23:47:57,653 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:47:57,653 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:47:57,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-13 23:47:57,654 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:47:57,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:47:57,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1536816957, now seen corresponding path program 1 times [2022-07-13 23:47:57,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:47:57,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382338162] [2022-07-13 23:47:57,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:47:57,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:47:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:57,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:47:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:57,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:47:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:57,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:47:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:57,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:47:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:47:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:57,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:47:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:57,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:47:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:57,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:47:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:57,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:47:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:57,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:47:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:57,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-13 23:47:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:57,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-13 23:47:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:58,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:47:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:58,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:47:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:58,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:47:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:47:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:58,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:47:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:58,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:47:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:58,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:47:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:58,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:47:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:58,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:47:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:58,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-13 23:47:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:58,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-13 23:47:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:58,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-13 23:47:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:58,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-13 23:47:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:47:58,099 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-13 23:47:58,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:47:58,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382338162] [2022-07-13 23:47:58,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382338162] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:47:58,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:47:58,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 23:47:58,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036758825] [2022-07-13 23:47:58,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:47:58,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 23:47:58,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:47:58,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 23:47:58,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-13 23:47:58,101 INFO L87 Difference]: Start difference. First operand 2240 states and 3108 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 23:48:00,537 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 [] [2022-07-13 23:48:09,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:48:09,722 INFO L93 Difference]: Finished difference Result 5280 states and 7634 transitions. [2022-07-13 23:48:09,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 23:48:09,723 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 205 [2022-07-13 23:48:09,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:48:09,737 INFO L225 Difference]: With dead ends: 5280 [2022-07-13 23:48:09,738 INFO L226 Difference]: Without dead ends: 3043 [2022-07-13 23:48:09,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-07-13 23:48:09,744 INFO L413 NwaCegarLoop]: 869 mSDtfsCounter, 944 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 2526 mSolverCounterSat, 696 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 2075 SdHoareTripleChecker+Invalid, 3223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 696 IncrementalHoareTripleChecker+Valid, 2526 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-07-13 23:48:09,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [979 Valid, 2075 Invalid, 3223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [696 Valid, 2526 Invalid, 1 Unknown, 0 Unchecked, 11.3s Time] [2022-07-13 23:48:09,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3043 states. [2022-07-13 23:48:09,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3043 to 2244. [2022-07-13 23:48:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2244 states, 1596 states have (on average 1.3139097744360901) internal successors, (2097), 1613 states have internal predecessors, (2097), 499 states have call successors, (499), 147 states have call predecessors, (499), 148 states have return successors, (516), 516 states have call predecessors, (516), 498 states have call successors, (516) [2022-07-13 23:48:09,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 2244 states and 3112 transitions. [2022-07-13 23:48:09,871 INFO L78 Accepts]: Start accepts. Automaton has 2244 states and 3112 transitions. Word has length 205 [2022-07-13 23:48:09,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:48:09,871 INFO L495 AbstractCegarLoop]: Abstraction has 2244 states and 3112 transitions. [2022-07-13 23:48:09,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-13 23:48:09,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 3112 transitions. [2022-07-13 23:48:09,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-07-13 23:48:09,875 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:48:09,875 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:48:09,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-13 23:48:09,877 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:48:09,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:48:09,878 INFO L85 PathProgramCache]: Analyzing trace with hash 392724425, now seen corresponding path program 1 times [2022-07-13 23:48:09,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:48:09,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430050226] [2022-07-13 23:48:09,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:48:09,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:48:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:48:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:48:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 23:48:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:48:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:48:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:48:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:48:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:48:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:48:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 23:48:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 23:48:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:48:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:48:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:48:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:48:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-13 23:48:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-13 23:48:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-13 23:48:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-13 23:48:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:10,404 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-07-13 23:48:10,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:48:10,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430050226] [2022-07-13 23:48:10,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430050226] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:48:10,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484688903] [2022-07-13 23:48:10,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:48:10,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:48:10,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:48:10,406 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:48:10,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-13 23:48:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:11,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 3009 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 23:48:11,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:48:11,240 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-07-13 23:48:11,240 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:48:11,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484688903] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:48:11,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:48:11,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-07-13 23:48:11,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336119208] [2022-07-13 23:48:11,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:48:11,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:48:11,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:48:11,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:48:11,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-07-13 23:48:11,244 INFO L87 Difference]: Start difference. First operand 2244 states and 3112 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-13 23:48:11,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:48:11,362 INFO L93 Difference]: Finished difference Result 4505 states and 6309 transitions. [2022-07-13 23:48:11,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:48:11,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 220 [2022-07-13 23:48:11,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:48:11,370 INFO L225 Difference]: With dead ends: 4505 [2022-07-13 23:48:11,370 INFO L226 Difference]: Without dead ends: 2264 [2022-07-13 23:48:11,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-07-13 23:48:11,376 INFO L413 NwaCegarLoop]: 934 mSDtfsCounter, 3 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:48:11,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1861 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:48:11,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2264 states. [2022-07-13 23:48:11,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2264 to 2249. [2022-07-13 23:48:11,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2249 states, 1601 states have (on average 1.3129294191130543) internal successors, (2102), 1618 states have internal predecessors, (2102), 499 states have call successors, (499), 147 states have call predecessors, (499), 148 states have return successors, (516), 516 states have call predecessors, (516), 498 states have call successors, (516) [2022-07-13 23:48:11,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 2249 states and 3117 transitions. [2022-07-13 23:48:11,463 INFO L78 Accepts]: Start accepts. Automaton has 2249 states and 3117 transitions. Word has length 220 [2022-07-13 23:48:11,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:48:11,463 INFO L495 AbstractCegarLoop]: Abstraction has 2249 states and 3117 transitions. [2022-07-13 23:48:11,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-13 23:48:11,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 3117 transitions. [2022-07-13 23:48:11,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-13 23:48:11,467 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:48:11,467 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:48:11,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-13 23:48:11,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:48:11,680 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:48:11,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:48:11,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1250127915, now seen corresponding path program 1 times [2022-07-13 23:48:11,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:48:11,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703193097] [2022-07-13 23:48:11,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:48:11,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:48:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:11,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:48:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:11,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:48:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 23:48:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:48:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:48:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:48:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:48:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:48:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:48:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 23:48:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 23:48:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:48:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:48:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:48:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:48:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-13 23:48:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-13 23:48:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:48:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:48:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:48:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:48:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-13 23:48:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-13 23:48:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-13 23:48:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-13 23:48:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:12,381 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-07-13 23:48:12,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:48:12,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703193097] [2022-07-13 23:48:12,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703193097] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:48:12,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132060283] [2022-07-13 23:48:12,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:48:12,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:48:12,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:48:12,383 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:48:12,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-13 23:48:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:13,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 3450 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 23:48:13,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:48:13,364 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-07-13 23:48:13,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 23:48:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-07-13 23:48:13,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132060283] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 23:48:13,707 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 23:48:13,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4, 4] total 16 [2022-07-13 23:48:13,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916488894] [2022-07-13 23:48:13,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 23:48:13,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-13 23:48:13,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:48:13,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-13 23:48:13,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-07-13 23:48:13,709 INFO L87 Difference]: Start difference. First operand 2249 states and 3117 transitions. Second operand has 16 states, 16 states have (on average 13.25) internal successors, (212), 9 states have internal predecessors, (212), 5 states have call successors, (62), 8 states have call predecessors, (62), 3 states have return successors, (55), 6 states have call predecessors, (55), 5 states have call successors, (55) [2022-07-13 23:48:16,480 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 [] [2022-07-13 23:48:27,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:48:28,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:48:31,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:48:35,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:48:37,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:48:39,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:48:41,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:48:41,866 INFO L93 Difference]: Finished difference Result 5387 states and 7959 transitions. [2022-07-13 23:48:41,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-13 23:48:41,866 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 13.25) internal successors, (212), 9 states have internal predecessors, (212), 5 states have call successors, (62), 8 states have call predecessors, (62), 3 states have return successors, (55), 6 states have call predecessors, (55), 5 states have call successors, (55) Word has length 274 [2022-07-13 23:48:41,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:48:41,894 INFO L225 Difference]: With dead ends: 5387 [2022-07-13 23:48:41,894 INFO L226 Difference]: Without dead ends: 3141 [2022-07-13 23:48:41,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 650 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=601, Unknown=0, NotChecked=0, Total=756 [2022-07-13 23:48:41,899 INFO L413 NwaCegarLoop]: 845 mSDtfsCounter, 1067 mSDsluCounter, 2945 mSDsCounter, 0 mSdLazyCounter, 6450 mSolverCounterSat, 795 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1100 SdHoareTripleChecker+Valid, 3790 SdHoareTripleChecker+Invalid, 7249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 795 IncrementalHoareTripleChecker+Valid, 6450 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2022-07-13 23:48:41,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1100 Valid, 3790 Invalid, 7249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [795 Valid, 6450 Invalid, 4 Unknown, 0 Unchecked, 27.7s Time] [2022-07-13 23:48:41,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3141 states. [2022-07-13 23:48:41,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3141 to 2335. [2022-07-13 23:48:42,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2335 states, 1670 states have (on average 1.3107784431137726) internal successors, (2189), 1687 states have internal predecessors, (2189), 511 states have call successors, (511), 147 states have call predecessors, (511), 153 states have return successors, (552), 533 states have call predecessors, (552), 510 states have call successors, (552) [2022-07-13 23:48:42,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 3252 transitions. [2022-07-13 23:48:42,011 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 3252 transitions. Word has length 274 [2022-07-13 23:48:42,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:48:42,012 INFO L495 AbstractCegarLoop]: Abstraction has 2335 states and 3252 transitions. [2022-07-13 23:48:42,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 13.25) internal successors, (212), 9 states have internal predecessors, (212), 5 states have call successors, (62), 8 states have call predecessors, (62), 3 states have return successors, (55), 6 states have call predecessors, (55), 5 states have call successors, (55) [2022-07-13 23:48:42,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 3252 transitions. [2022-07-13 23:48:42,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2022-07-13 23:48:42,019 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:48:42,019 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:48:42,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-13 23:48:42,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:48:42,236 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:48:42,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:48:42,236 INFO L85 PathProgramCache]: Analyzing trace with hash -778281887, now seen corresponding path program 1 times [2022-07-13 23:48:42,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:48:42,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793989137] [2022-07-13 23:48:42,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:48:42,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:48:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:48:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:48:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 23:48:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:48:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:48:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:48:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:48:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:48:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:48:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-13 23:48:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 23:48:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-13 23:48:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 23:48:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-13 23:48:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:48:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:48:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:48:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:48:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 23:48:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-13 23:48:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 23:48:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:48:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:48:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:42,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:48:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:48:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:48:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:48:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:48:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:48:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:48:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:48:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:48:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:48:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-13 23:48:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-13 23:48:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-13 23:48:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:43,075 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2022-07-13 23:48:43,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:48:43,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793989137] [2022-07-13 23:48:43,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793989137] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:48:43,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501198274] [2022-07-13 23:48:43,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:48:43,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:48:43,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:48:43,077 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:48:43,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-13 23:48:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:48:44,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 4016 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-13 23:48:44,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:48:44,266 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 219 proven. 34 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-13 23:48:44,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 23:48:44,743 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-07-13 23:48:44,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501198274] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 23:48:44,743 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 23:48:44,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 16 [2022-07-13 23:48:44,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236051532] [2022-07-13 23:48:44,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 23:48:44,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-13 23:48:44,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:48:44,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-13 23:48:44,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-07-13 23:48:44,746 INFO L87 Difference]: Start difference. First operand 2335 states and 3252 transitions. Second operand has 16 states, 16 states have (on average 15.5625) internal successors, (249), 9 states have internal predecessors, (249), 6 states have call successors, (83), 8 states have call predecessors, (83), 3 states have return successors, (77), 7 states have call predecessors, (77), 6 states have call successors, (77) [2022-07-13 23:48:47,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:49:00,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:49:02,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:49:03,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:49:05,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:49:06,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:49:10,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:49:10,173 INFO L93 Difference]: Finished difference Result 5515 states and 8143 transitions. [2022-07-13 23:49:10,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-13 23:49:10,174 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 15.5625) internal successors, (249), 9 states have internal predecessors, (249), 6 states have call successors, (83), 8 states have call predecessors, (83), 3 states have return successors, (77), 7 states have call predecessors, (77), 6 states have call successors, (77) Word has length 379 [2022-07-13 23:49:10,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:49:10,183 INFO L225 Difference]: With dead ends: 5515 [2022-07-13 23:49:10,184 INFO L226 Difference]: Without dead ends: 3183 [2022-07-13 23:49:10,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 900 GetRequests, 872 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2022-07-13 23:49:10,188 INFO L413 NwaCegarLoop]: 839 mSDtfsCounter, 1103 mSDsluCounter, 3144 mSDsCounter, 0 mSdLazyCounter, 7077 mSolverCounterSat, 792 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 3983 SdHoareTripleChecker+Invalid, 7870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 792 IncrementalHoareTripleChecker+Valid, 7077 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2022-07-13 23:49:10,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1135 Valid, 3983 Invalid, 7870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [792 Valid, 7077 Invalid, 1 Unknown, 0 Unchecked, 24.9s Time] [2022-07-13 23:49:10,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3183 states. [2022-07-13 23:49:10,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3183 to 2367. [2022-07-13 23:49:10,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2367 states, 1698 states have (on average 1.3091872791519434) internal successors, (2223), 1710 states have internal predecessors, (2223), 515 states have call successors, (515), 147 states have call predecessors, (515), 153 states have return successors, (556), 542 states have call predecessors, (556), 514 states have call successors, (556) [2022-07-13 23:49:10,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 3294 transitions. [2022-07-13 23:49:10,296 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 3294 transitions. Word has length 379 [2022-07-13 23:49:10,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:49:10,296 INFO L495 AbstractCegarLoop]: Abstraction has 2367 states and 3294 transitions. [2022-07-13 23:49:10,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 15.5625) internal successors, (249), 9 states have internal predecessors, (249), 6 states have call successors, (83), 8 states have call predecessors, (83), 3 states have return successors, (77), 7 states have call predecessors, (77), 6 states have call successors, (77) [2022-07-13 23:49:10,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 3294 transitions. [2022-07-13 23:49:10,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2022-07-13 23:49:10,300 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:49:10,300 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:49:10,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-13 23:49:10,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-07-13 23:49:10,516 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:49:10,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:49:10,516 INFO L85 PathProgramCache]: Analyzing trace with hash -620402375, now seen corresponding path program 1 times [2022-07-13 23:49:10,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:49:10,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604473464] [2022-07-13 23:49:10,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:10,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:49:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:49:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 23:49:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:49:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:49:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:49:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-13 23:49:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 23:49:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-13 23:49:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-13 23:49:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:10,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-13 23:49:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-13 23:49:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:49:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-13 23:49:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-13 23:49:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-13 23:49:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:11,376 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2022-07-13 23:49:11,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:49:11,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604473464] [2022-07-13 23:49:11,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604473464] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:49:11,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691007333] [2022-07-13 23:49:11,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:11,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:49:11,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:49:11,384 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:49:11,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-13 23:49:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:12,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 4002 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-13 23:49:12,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:49:12,635 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2022-07-13 23:49:12,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:49:12,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691007333] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:49:12,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:49:12,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-07-13 23:49:12,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455446261] [2022-07-13 23:49:12,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:49:12,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 23:49:12,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:49:12,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 23:49:12,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-07-13 23:49:12,637 INFO L87 Difference]: Start difference. First operand 2367 states and 3294 transitions. Second operand has 6 states, 6 states have (on average 27.0) internal successors, (162), 5 states have internal predecessors, (162), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-13 23:49:12,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:49:12,850 INFO L93 Difference]: Finished difference Result 4865 states and 6839 transitions. [2022-07-13 23:49:12,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 23:49:12,851 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.0) internal successors, (162), 5 states have internal predecessors, (162), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 392 [2022-07-13 23:49:12,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:49:12,858 INFO L225 Difference]: With dead ends: 4865 [2022-07-13 23:49:12,858 INFO L226 Difference]: Without dead ends: 2501 [2022-07-13 23:49:12,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-07-13 23:49:12,862 INFO L413 NwaCegarLoop]: 949 mSDtfsCounter, 19 mSDsluCounter, 3768 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 4717 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:49:12,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 4717 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 23:49:12,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2022-07-13 23:49:12,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2477. [2022-07-13 23:49:12,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2477 states, 1786 states have (on average 1.3073908174692048) internal successors, (2335), 1798 states have internal predecessors, (2335), 535 states have call successors, (535), 147 states have call predecessors, (535), 155 states have return successors, (580), 564 states have call predecessors, (580), 534 states have call successors, (580) [2022-07-13 23:49:12,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2477 states and 3450 transitions. [2022-07-13 23:49:12,966 INFO L78 Accepts]: Start accepts. Automaton has 2477 states and 3450 transitions. Word has length 392 [2022-07-13 23:49:12,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:49:12,966 INFO L495 AbstractCegarLoop]: Abstraction has 2477 states and 3450 transitions. [2022-07-13 23:49:12,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.0) internal successors, (162), 5 states have internal predecessors, (162), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-13 23:49:12,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 3450 transitions. [2022-07-13 23:49:12,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2022-07-13 23:49:12,972 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:49:12,972 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:49:13,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-13 23:49:13,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-07-13 23:49:13,188 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:49:13,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:49:13,188 INFO L85 PathProgramCache]: Analyzing trace with hash 23033313, now seen corresponding path program 1 times [2022-07-13 23:49:13,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:49:13,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544563580] [2022-07-13 23:49:13,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:13,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:49:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:49:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 23:49:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:49:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:49:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:49:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-13 23:49:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 23:49:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-13 23:49:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-13 23:49:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-13 23:49:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-13 23:49:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:13,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:49:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-13 23:49:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-13 23:49:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-13 23:49:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:14,143 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2022-07-13 23:49:14,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:49:14,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544563580] [2022-07-13 23:49:14,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544563580] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:49:14,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:49:14,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 23:49:14,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60307264] [2022-07-13 23:49:14,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:49:14,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 23:49:14,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:49:14,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 23:49:14,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-13 23:49:14,144 INFO L87 Difference]: Start difference. First operand 2477 states and 3450 transitions. Second operand has 9 states, 9 states have (on average 16.88888888888889) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (35), 8 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-13 23:49:16,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:49:25,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:49:27,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:49:27,027 INFO L93 Difference]: Finished difference Result 5731 states and 8294 transitions. [2022-07-13 23:49:27,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 23:49:27,028 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.88888888888889) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (35), 8 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 395 [2022-07-13 23:49:27,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:49:27,040 INFO L225 Difference]: With dead ends: 5731 [2022-07-13 23:49:27,040 INFO L226 Difference]: Without dead ends: 3257 [2022-07-13 23:49:27,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-07-13 23:49:27,046 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 962 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 2836 mSolverCounterSat, 704 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 2261 SdHoareTripleChecker+Invalid, 3541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 704 IncrementalHoareTripleChecker+Valid, 2836 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-07-13 23:49:27,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [995 Valid, 2261 Invalid, 3541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [704 Valid, 2836 Invalid, 1 Unknown, 0 Unchecked, 12.6s Time] [2022-07-13 23:49:27,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3257 states. [2022-07-13 23:49:27,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3257 to 2461. [2022-07-13 23:49:27,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2461 states, 1770 states have (on average 1.3) internal successors, (2301), 1782 states have internal predecessors, (2301), 535 states have call successors, (535), 147 states have call predecessors, (535), 155 states have return successors, (580), 564 states have call predecessors, (580), 534 states have call successors, (580) [2022-07-13 23:49:27,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2461 states and 3416 transitions. [2022-07-13 23:49:27,197 INFO L78 Accepts]: Start accepts. Automaton has 2461 states and 3416 transitions. Word has length 395 [2022-07-13 23:49:27,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:49:27,197 INFO L495 AbstractCegarLoop]: Abstraction has 2461 states and 3416 transitions. [2022-07-13 23:49:27,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.88888888888889) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (35), 8 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-13 23:49:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 3416 transitions. [2022-07-13 23:49:27,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2022-07-13 23:49:27,202 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:49:27,202 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:49:27,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-13 23:49:27,203 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:49:27,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:49:27,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1829409705, now seen corresponding path program 1 times [2022-07-13 23:49:27,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:49:27,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502220104] [2022-07-13 23:49:27,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:27,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:49:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:49:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:49:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:49:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:49:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:49:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-13 23:49:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 23:49:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-13 23:49:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-13 23:49:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-13 23:49:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-13 23:49:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:49:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-13 23:49:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-13 23:49:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-13 23:49:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:27,963 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2022-07-13 23:49:27,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:49:27,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502220104] [2022-07-13 23:49:27,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502220104] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:49:27,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128297806] [2022-07-13 23:49:27,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:27,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:49:27,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:49:27,965 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:49:27,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-13 23:49:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:29,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 3986 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-13 23:49:29,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:49:29,354 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2022-07-13 23:49:29,354 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:49:29,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128297806] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:49:29,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:49:29,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-07-13 23:49:29,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353686468] [2022-07-13 23:49:29,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:49:29,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 23:49:29,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:49:29,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 23:49:29,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-07-13 23:49:29,356 INFO L87 Difference]: Start difference. First operand 2461 states and 3416 transitions. Second operand has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 5 states have internal predecessors, (160), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-13 23:49:29,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:49:29,556 INFO L93 Difference]: Finished difference Result 4929 states and 6875 transitions. [2022-07-13 23:49:29,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 23:49:29,557 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 5 states have internal predecessors, (160), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 390 [2022-07-13 23:49:29,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:49:29,565 INFO L225 Difference]: With dead ends: 4929 [2022-07-13 23:49:29,565 INFO L226 Difference]: Without dead ends: 2471 [2022-07-13 23:49:29,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-07-13 23:49:29,571 INFO L413 NwaCegarLoop]: 945 mSDtfsCounter, 12 mSDsluCounter, 3756 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4701 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:49:29,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4701 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:49:29,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2471 states. [2022-07-13 23:49:29,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 2465. [2022-07-13 23:49:29,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2465 states, 1774 states have (on average 1.2993235625704622) internal successors, (2305), 1784 states have internal predecessors, (2305), 535 states have call successors, (535), 147 states have call predecessors, (535), 155 states have return successors, (580), 566 states have call predecessors, (580), 534 states have call successors, (580) [2022-07-13 23:49:29,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 3420 transitions. [2022-07-13 23:49:29,692 INFO L78 Accepts]: Start accepts. Automaton has 2465 states and 3420 transitions. Word has length 390 [2022-07-13 23:49:29,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:49:29,695 INFO L495 AbstractCegarLoop]: Abstraction has 2465 states and 3420 transitions. [2022-07-13 23:49:29,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 5 states have internal predecessors, (160), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-13 23:49:29,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 3420 transitions. [2022-07-13 23:49:29,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-07-13 23:49:29,699 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:49:29,700 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:49:29,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-07-13 23:49:29,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-07-13 23:49:29,919 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:49:29,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:49:29,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1310116172, now seen corresponding path program 1 times [2022-07-13 23:49:29,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:49:29,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452143989] [2022-07-13 23:49:29,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:29,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:49:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:49:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 23:49:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:49:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:49:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:49:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 23:49:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 23:49:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-13 23:49:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-13 23:49:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-13 23:49:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-13 23:49:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:49:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-13 23:49:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-13 23:49:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-13 23:49:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:30,691 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2022-07-13 23:49:30,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:49:30,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452143989] [2022-07-13 23:49:30,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452143989] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:49:30,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66294565] [2022-07-13 23:49:30,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:30,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:49:30,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:49:30,708 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:49:30,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-13 23:49:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:32,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 4022 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 23:49:32,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:49:32,200 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-07-13 23:49:32,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:49:32,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66294565] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:49:32,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:49:32,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2022-07-13 23:49:32,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134742344] [2022-07-13 23:49:32,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:49:32,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 23:49:32,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:49:32,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 23:49:32,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-07-13 23:49:32,202 INFO L87 Difference]: Start difference. First operand 2465 states and 3420 transitions. Second operand has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-13 23:49:32,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:49:32,381 INFO L93 Difference]: Finished difference Result 5380 states and 7562 transitions. [2022-07-13 23:49:32,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 23:49:32,381 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) Word has length 397 [2022-07-13 23:49:32,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:49:32,389 INFO L225 Difference]: With dead ends: 5380 [2022-07-13 23:49:32,389 INFO L226 Difference]: Without dead ends: 2918 [2022-07-13 23:49:32,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-07-13 23:49:32,393 INFO L413 NwaCegarLoop]: 1248 mSDtfsCounter, 226 mSDsluCounter, 5958 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 7206 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:49:32,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 7206 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:49:32,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2918 states. [2022-07-13 23:49:32,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2918 to 2475. [2022-07-13 23:49:32,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 1780 states have (on average 1.298314606741573) internal successors, (2311), 1792 states have internal predecessors, (2311), 535 states have call successors, (535), 147 states have call predecessors, (535), 159 states have return successors, (602), 568 states have call predecessors, (602), 534 states have call successors, (602) [2022-07-13 23:49:32,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 3448 transitions. [2022-07-13 23:49:32,501 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 3448 transitions. Word has length 397 [2022-07-13 23:49:32,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:49:32,502 INFO L495 AbstractCegarLoop]: Abstraction has 2475 states and 3448 transitions. [2022-07-13 23:49:32,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-13 23:49:32,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 3448 transitions. [2022-07-13 23:49:32,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2022-07-13 23:49:32,505 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:49:32,506 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:49:32,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-07-13 23:49:32,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-07-13 23:49:32,728 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:49:32,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:49:32,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1590333038, now seen corresponding path program 1 times [2022-07-13 23:49:32,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:49:32,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787845550] [2022-07-13 23:49:32,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:32,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:49:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:32,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:32,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:49:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:49:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:49:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:49:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:49:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 23:49:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 23:49:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-13 23:49:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-13 23:49:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-13 23:49:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-13 23:49:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:49:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-13 23:49:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-13 23:49:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-13 23:49:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2022-07-13 23:49:33,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:49:33,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787845550] [2022-07-13 23:49:33,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787845550] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:49:33,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703972797] [2022-07-13 23:49:33,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:33,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:49:33,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:49:33,467 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:49:33,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-07-13 23:49:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:34,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 4006 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 23:49:34,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:49:35,064 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-07-13 23:49:35,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:49:35,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703972797] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:49:35,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:49:35,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2022-07-13 23:49:35,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168423908] [2022-07-13 23:49:35,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:49:35,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 23:49:35,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:49:35,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 23:49:35,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-07-13 23:49:35,066 INFO L87 Difference]: Start difference. First operand 2475 states and 3448 transitions. Second operand has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-13 23:49:35,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:49:35,294 INFO L93 Difference]: Finished difference Result 5404 states and 7620 transitions. [2022-07-13 23:49:35,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 23:49:35,295 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) Word has length 395 [2022-07-13 23:49:35,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:49:35,304 INFO L225 Difference]: With dead ends: 5404 [2022-07-13 23:49:35,304 INFO L226 Difference]: Without dead ends: 2932 [2022-07-13 23:49:35,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-07-13 23:49:35,309 INFO L413 NwaCegarLoop]: 1249 mSDtfsCounter, 226 mSDsluCounter, 5962 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 7211 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:49:35,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 7211 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:49:35,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2932 states. [2022-07-13 23:49:35,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2932 to 2477. [2022-07-13 23:49:35,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2477 states, 1782 states have (on average 1.297979797979798) internal successors, (2313), 1792 states have internal predecessors, (2313), 535 states have call successors, (535), 147 states have call predecessors, (535), 159 states have return successors, (602), 570 states have call predecessors, (602), 534 states have call successors, (602) [2022-07-13 23:49:35,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2477 states and 3450 transitions. [2022-07-13 23:49:35,453 INFO L78 Accepts]: Start accepts. Automaton has 2477 states and 3450 transitions. Word has length 395 [2022-07-13 23:49:35,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:49:35,453 INFO L495 AbstractCegarLoop]: Abstraction has 2477 states and 3450 transitions. [2022-07-13 23:49:35,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-13 23:49:35,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 3450 transitions. [2022-07-13 23:49:35,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2022-07-13 23:49:35,457 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:49:35,458 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:49:35,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-07-13 23:49:35,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:49:35,675 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:49:35,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:49:35,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1137766890, now seen corresponding path program 1 times [2022-07-13 23:49:35,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:49:35,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866274896] [2022-07-13 23:49:35,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:35,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:49:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:35,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 23:49:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:35,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-13 23:49:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:49:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:49:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:49:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:49:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 23:49:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 23:49:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-13 23:49:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-13 23:49:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-13 23:49:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-13 23:49:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:49:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-13 23:49:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-13 23:49:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-13 23:49:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:36,382 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 9 proven. 21 refuted. 0 times theorem prover too weak. 717 trivial. 0 not checked. [2022-07-13 23:49:36,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:49:36,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866274896] [2022-07-13 23:49:36,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866274896] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:49:36,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546207715] [2022-07-13 23:49:36,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:36,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:49:36,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:49:36,384 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:49:36,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-07-13 23:49:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:37,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 4012 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 23:49:37,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:49:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2022-07-13 23:49:38,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:49:38,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546207715] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:49:38,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:49:38,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2022-07-13 23:49:38,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617897268] [2022-07-13 23:49:38,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:49:38,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 23:49:38,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:49:38,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 23:49:38,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-07-13 23:49:38,036 INFO L87 Difference]: Start difference. First operand 2477 states and 3450 transitions. Second operand has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-13 23:49:38,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:49:38,221 INFO L93 Difference]: Finished difference Result 5610 states and 7956 transitions. [2022-07-13 23:49:38,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 23:49:38,222 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) Word has length 395 [2022-07-13 23:49:38,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:49:38,232 INFO L225 Difference]: With dead ends: 5610 [2022-07-13 23:49:38,233 INFO L226 Difference]: Without dead ends: 3136 [2022-07-13 23:49:38,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-07-13 23:49:38,239 INFO L413 NwaCegarLoop]: 1247 mSDtfsCounter, 245 mSDsluCounter, 5950 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 7197 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:49:38,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 7197 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:49:38,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3136 states. [2022-07-13 23:49:38,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3136 to 2477. [2022-07-13 23:49:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2477 states, 1782 states have (on average 1.297979797979798) internal successors, (2313), 1792 states have internal predecessors, (2313), 535 states have call successors, (535), 147 states have call predecessors, (535), 159 states have return successors, (602), 570 states have call predecessors, (602), 534 states have call successors, (602) [2022-07-13 23:49:38,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2477 states and 3450 transitions. [2022-07-13 23:49:38,423 INFO L78 Accepts]: Start accepts. Automaton has 2477 states and 3450 transitions. Word has length 395 [2022-07-13 23:49:38,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:49:38,424 INFO L495 AbstractCegarLoop]: Abstraction has 2477 states and 3450 transitions. [2022-07-13 23:49:38,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-13 23:49:38,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 3450 transitions. [2022-07-13 23:49:38,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-07-13 23:49:38,429 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:49:38,429 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:49:38,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-07-13 23:49:38,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-07-13 23:49:38,642 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:49:38,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:49:38,643 INFO L85 PathProgramCache]: Analyzing trace with hash -816612432, now seen corresponding path program 1 times [2022-07-13 23:49:38,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:49:38,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200762811] [2022-07-13 23:49:38,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:38,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:49:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:38,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 23:49:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:38,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-13 23:49:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 23:49:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:49:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:49:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:49:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 23:49:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 23:49:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-13 23:49:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-13 23:49:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-13 23:49:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-13 23:49:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:49:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-13 23:49:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-13 23:49:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-13 23:49:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 9 proven. 21 refuted. 0 times theorem prover too weak. 717 trivial. 0 not checked. [2022-07-13 23:49:39,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:49:39,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200762811] [2022-07-13 23:49:39,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200762811] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:49:39,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957775235] [2022-07-13 23:49:39,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:39,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:49:39,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:49:39,442 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:49:39,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-07-13 23:49:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:41,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 4028 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 23:49:41,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:49:41,292 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2022-07-13 23:49:41,292 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:49:41,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957775235] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:49:41,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:49:41,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2022-07-13 23:49:41,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037898907] [2022-07-13 23:49:41,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:49:41,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 23:49:41,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:49:41,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 23:49:41,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-07-13 23:49:41,294 INFO L87 Difference]: Start difference. First operand 2477 states and 3450 transitions. Second operand has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-13 23:49:41,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:49:41,485 INFO L93 Difference]: Finished difference Result 5648 states and 7994 transitions. [2022-07-13 23:49:41,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 23:49:41,485 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) Word has length 397 [2022-07-13 23:49:41,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:49:41,494 INFO L225 Difference]: With dead ends: 5648 [2022-07-13 23:49:41,495 INFO L226 Difference]: Without dead ends: 3174 [2022-07-13 23:49:41,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-07-13 23:49:41,500 INFO L413 NwaCegarLoop]: 1246 mSDtfsCounter, 245 mSDsluCounter, 5945 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 7191 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:49:41,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 7191 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:49:41,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2022-07-13 23:49:41,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 2473. [2022-07-13 23:49:41,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2473 states, 1780 states have (on average 1.298314606741573) internal successors, (2311), 1788 states have internal predecessors, (2311), 535 states have call successors, (535), 147 states have call predecessors, (535), 157 states have return successors, (584), 570 states have call predecessors, (584), 534 states have call successors, (584) [2022-07-13 23:49:41,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2473 states and 3430 transitions. [2022-07-13 23:49:41,622 INFO L78 Accepts]: Start accepts. Automaton has 2473 states and 3430 transitions. Word has length 397 [2022-07-13 23:49:41,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:49:41,622 INFO L495 AbstractCegarLoop]: Abstraction has 2473 states and 3430 transitions. [2022-07-13 23:49:41,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-13 23:49:41,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 3430 transitions. [2022-07-13 23:49:41,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2022-07-13 23:49:41,629 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:49:41,629 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 23, 23, 23, 23, 23, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:49:41,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-07-13 23:49:41,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-07-13 23:49:41,844 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:49:41,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:49:41,844 INFO L85 PathProgramCache]: Analyzing trace with hash 571448748, now seen corresponding path program 1 times [2022-07-13 23:49:41,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:49:41,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782256134] [2022-07-13 23:49:41,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:41,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:49:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:49:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 23:49:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:49:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:49:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:49:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 23:49:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 23:49:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-13 23:49:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-13 23:49:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-13 23:49:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-13 23:49:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:49:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-13 23:49:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-13 23:49:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-13 23:49:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:49:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-13 23:49:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:49:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 747 [2022-07-13 23:49:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-07-13 23:49:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 760 [2022-07-13 23:49:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:43,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3609 backedges. 2 proven. 121 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2022-07-13 23:49:43,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:49:43,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782256134] [2022-07-13 23:49:43,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782256134] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:49:43,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166417707] [2022-07-13 23:49:43,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:43,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:49:43,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:49:43,296 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:49:43,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-07-13 23:49:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:45,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 6486 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:49:45,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:49:45,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3609 backedges. 1854 proven. 0 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2022-07-13 23:49:45,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:49:45,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166417707] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:49:45,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:49:45,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2022-07-13 23:49:45,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292849877] [2022-07-13 23:49:45,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:49:45,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:49:45,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:49:45,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:49:45,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-07-13 23:49:45,433 INFO L87 Difference]: Start difference. First operand 2473 states and 3430 transitions. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-13 23:49:47,449 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 [] [2022-07-13 23:49:47,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:49:47,565 INFO L93 Difference]: Finished difference Result 4967 states and 6915 transitions. [2022-07-13 23:49:47,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:49:47,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 772 [2022-07-13 23:49:47,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:49:47,572 INFO L225 Difference]: With dead ends: 4967 [2022-07-13 23:49:47,572 INFO L226 Difference]: Without dead ends: 2497 [2022-07-13 23:49:47,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1024 GetRequests, 1014 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-07-13 23:49:47,577 INFO L413 NwaCegarLoop]: 939 mSDtfsCounter, 5 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1872 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:49:47,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1872 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2022-07-13 23:49:47,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2497 states. [2022-07-13 23:49:47,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2497 to 2481. [2022-07-13 23:49:47,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2481 states, 1788 states have (on average 1.2969798657718121) internal successors, (2319), 1796 states have internal predecessors, (2319), 535 states have call successors, (535), 147 states have call predecessors, (535), 157 states have return successors, (584), 570 states have call predecessors, (584), 534 states have call successors, (584) [2022-07-13 23:49:47,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2481 states and 3438 transitions. [2022-07-13 23:49:47,740 INFO L78 Accepts]: Start accepts. Automaton has 2481 states and 3438 transitions. Word has length 772 [2022-07-13 23:49:47,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:49:47,741 INFO L495 AbstractCegarLoop]: Abstraction has 2481 states and 3438 transitions. [2022-07-13 23:49:47,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-13 23:49:47,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 3438 transitions. [2022-07-13 23:49:47,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2022-07-13 23:49:47,747 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:49:47,747 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 23, 23, 23, 23, 23, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:49:47,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-07-13 23:49:47,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-07-13 23:49:47,961 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:49:47,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:49:47,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1366406414, now seen corresponding path program 1 times [2022-07-13 23:49:47,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:49:47,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553250071] [2022-07-13 23:49:47,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:47,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:49:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:49:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:49:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:49:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:49:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:49:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 23:49:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 23:49:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-13 23:49:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-13 23:49:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-13 23:49:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-13 23:49:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:49:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:48,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-13 23:49:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-13 23:49:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-13 23:49:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:49:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-13 23:49:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:49:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 748 [2022-07-13 23:49:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2022-07-13 23:49:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2022-07-13 23:49:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3609 backedges. 2 proven. 121 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2022-07-13 23:49:49,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:49:49,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553250071] [2022-07-13 23:49:49,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553250071] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:49:49,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274464441] [2022-07-13 23:49:49,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:49,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:49:49,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:49:49,251 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:49:49,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-07-13 23:49:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:51,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 6473 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:49:51,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:49:51,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3609 backedges. 1857 proven. 0 refuted. 0 times theorem prover too weak. 1752 trivial. 0 not checked. [2022-07-13 23:49:51,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:49:51,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274464441] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:49:51,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:49:51,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2022-07-13 23:49:51,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323871617] [2022-07-13 23:49:51,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:49:51,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:49:51,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:49:51,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:49:51,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-07-13 23:49:51,578 INFO L87 Difference]: Start difference. First operand 2481 states and 3438 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-13 23:49:51,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:49:51,765 INFO L93 Difference]: Finished difference Result 4995 states and 6961 transitions. [2022-07-13 23:49:51,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:49:51,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 773 [2022-07-13 23:49:51,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:49:51,773 INFO L225 Difference]: With dead ends: 4995 [2022-07-13 23:49:51,773 INFO L226 Difference]: Without dead ends: 2517 [2022-07-13 23:49:51,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1025 GetRequests, 1015 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-07-13 23:49:51,779 INFO L413 NwaCegarLoop]: 934 mSDtfsCounter, 9 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1865 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 [2022-07-13 23:49:51,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1865 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:49:51,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2022-07-13 23:49:51,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 2505. [2022-07-13 23:49:51,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2505 states, 1812 states have (on average 1.2996688741721854) internal successors, (2355), 1820 states have internal predecessors, (2355), 535 states have call successors, (535), 147 states have call predecessors, (535), 157 states have return successors, (584), 570 states have call predecessors, (584), 534 states have call successors, (584) [2022-07-13 23:49:51,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2505 states and 3474 transitions. [2022-07-13 23:49:51,931 INFO L78 Accepts]: Start accepts. Automaton has 2505 states and 3474 transitions. Word has length 773 [2022-07-13 23:49:51,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:49:51,932 INFO L495 AbstractCegarLoop]: Abstraction has 2505 states and 3474 transitions. [2022-07-13 23:49:51,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-13 23:49:51,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 3474 transitions. [2022-07-13 23:49:51,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2022-07-13 23:49:51,940 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:49:51,940 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 23, 23, 23, 23, 23, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:49:51,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-07-13 23:49:52,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:49:52,156 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:49:52,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:49:52,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1147675470, now seen corresponding path program 1 times [2022-07-13 23:49:52,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:49:52,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687863392] [2022-07-13 23:49:52,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:52,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:49:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:49:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:49:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:49:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:49:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:49:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 23:49:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 23:49:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-13 23:49:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-13 23:49:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-13 23:49:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:52,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-13 23:49:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:49:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-13 23:49:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-13 23:49:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-13 23:49:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:49:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-13 23:49:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:49:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:49:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:49:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:49:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:49:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:49:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:49:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:49:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:49:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 748 [2022-07-13 23:49:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2022-07-13 23:49:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2022-07-13 23:49:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:53,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3609 backedges. 2 proven. 121 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2022-07-13 23:49:53,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:49:53,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687863392] [2022-07-13 23:49:53,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687863392] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:49:53,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998783716] [2022-07-13 23:49:53,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:53,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:49:53,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:49:53,491 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:49:53,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-07-13 23:49:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:56,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 6467 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 23:49:56,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:49:56,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3609 backedges. 1854 proven. 2 refuted. 0 times theorem prover too weak. 1753 trivial. 0 not checked. [2022-07-13 23:49:56,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 23:49:57,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3609 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 3581 trivial. 0 not checked. [2022-07-13 23:49:57,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998783716] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 23:49:57,596 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 23:49:57,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 17 [2022-07-13 23:49:57,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887134794] [2022-07-13 23:49:57,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 23:49:57,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-13 23:49:57,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:49:57,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-13 23:49:57,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-07-13 23:49:57,598 INFO L87 Difference]: Start difference. First operand 2505 states and 3474 transitions. Second operand has 17 states, 17 states have (on average 15.058823529411764) internal successors, (256), 8 states have internal predecessors, (256), 5 states have call successors, (83), 9 states have call predecessors, (83), 5 states have return successors, (72), 7 states have call predecessors, (72), 5 states have call successors, (72) [2022-07-13 23:50:00,407 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 [] [2022-07-13 23:50:09,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:50:11,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:50:25,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:50:25,412 INFO L93 Difference]: Finished difference Result 6154 states and 9176 transitions. [2022-07-13 23:50:25,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-13 23:50:25,412 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 15.058823529411764) internal successors, (256), 8 states have internal predecessors, (256), 5 states have call successors, (83), 9 states have call predecessors, (83), 5 states have return successors, (72), 7 states have call predecessors, (72), 5 states have call successors, (72) Word has length 773 [2022-07-13 23:50:25,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:50:25,428 INFO L225 Difference]: With dead ends: 6154 [2022-07-13 23:50:25,428 INFO L226 Difference]: Without dead ends: 3652 [2022-07-13 23:50:25,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1828 GetRequests, 1791 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=243, Invalid=1163, Unknown=0, NotChecked=0, Total=1406 [2022-07-13 23:50:25,440 INFO L413 NwaCegarLoop]: 830 mSDtfsCounter, 1216 mSDsluCounter, 3377 mSDsCounter, 0 mSdLazyCounter, 7870 mSolverCounterSat, 1080 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 4207 SdHoareTripleChecker+Invalid, 8953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1080 IncrementalHoareTripleChecker+Valid, 7870 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:50:25,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 4207 Invalid, 8953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1080 Valid, 7870 Invalid, 3 Unknown, 0 Unchecked, 27.1s Time] [2022-07-13 23:50:25,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2022-07-13 23:50:25,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 2753. [2022-07-13 23:50:25,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2753 states, 1982 states have (on average 1.2991927346115035) internal successors, (2575), 1990 states have internal predecessors, (2575), 594 states have call successors, (594), 152 states have call predecessors, (594), 176 states have return successors, (679), 638 states have call predecessors, (679), 593 states have call successors, (679) [2022-07-13 23:50:25,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2753 states and 3848 transitions. [2022-07-13 23:50:25,601 INFO L78 Accepts]: Start accepts. Automaton has 2753 states and 3848 transitions. Word has length 773 [2022-07-13 23:50:25,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:50:25,601 INFO L495 AbstractCegarLoop]: Abstraction has 2753 states and 3848 transitions. [2022-07-13 23:50:25,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 15.058823529411764) internal successors, (256), 8 states have internal predecessors, (256), 5 states have call successors, (83), 9 states have call predecessors, (83), 5 states have return successors, (72), 7 states have call predecessors, (72), 5 states have call successors, (72) [2022-07-13 23:50:25,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 3848 transitions. [2022-07-13 23:50:25,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2022-07-13 23:50:25,608 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:50:25,608 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 21, 21, 21, 21, 21, 11, 11, 11, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:50:25,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-07-13 23:50:25,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:50:25,815 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:50:25,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:50:25,816 INFO L85 PathProgramCache]: Analyzing trace with hash 657554262, now seen corresponding path program 1 times [2022-07-13 23:50:25,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:50:25,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108025640] [2022-07-13 23:50:25,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:50:25,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:50:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:50:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:50:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:50:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:50:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:50:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:50:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 23:50:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 23:50:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-13 23:50:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-13 23:50:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-13 23:50:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-13 23:50:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:50:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 23:50:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-13 23:50:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 23:50:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:50:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-13 23:50:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-13 23:50:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-13 23:50:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 23:50:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 23:50:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-13 23:50:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 23:50:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-13 23:50:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-13 23:50:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-13 23:50:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-13 23:50:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 23:50:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 23:50:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-13 23:50:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 23:50:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-13 23:50:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-13 23:50:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 23:50:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 23:50:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-13 23:50:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 23:50:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-13 23:50:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:26,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-13 23:50:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 23:50:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 23:50:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-13 23:50:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 23:50:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-13 23:50:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-13 23:50:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 23:50:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 23:50:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-13 23:50:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 23:50:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-13 23:50:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2022-07-13 23:50:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 771 [2022-07-13 23:50:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 777 [2022-07-13 23:50:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:27,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3429 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 3401 trivial. 0 not checked. [2022-07-13 23:50:27,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:50:27,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108025640] [2022-07-13 23:50:27,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108025640] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:50:27,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056864221] [2022-07-13 23:50:27,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:50:27,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:50:27,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:50:27,132 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:50:27,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-07-13 23:50:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:29,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 6623 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 23:50:29,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:50:29,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3429 backedges. 1490 proven. 0 refuted. 0 times theorem prover too weak. 1939 trivial. 0 not checked. [2022-07-13 23:50:29,977 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:50:29,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056864221] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:50:29,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:50:29,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 14 [2022-07-13 23:50:29,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675174229] [2022-07-13 23:50:29,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:50:29,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:50:29,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:50:29,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:50:29,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-07-13 23:50:29,983 INFO L87 Difference]: Start difference. First operand 2753 states and 3848 transitions. Second operand has 4 states, 4 states have (on average 52.75) internal successors, (211), 4 states have internal predecessors, (211), 3 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-07-13 23:50:30,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:50:30,151 INFO L93 Difference]: Finished difference Result 5773 states and 8365 transitions. [2022-07-13 23:50:30,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 23:50:30,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.75) internal successors, (211), 4 states have internal predecessors, (211), 3 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 789 [2022-07-13 23:50:30,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:50:30,161 INFO L225 Difference]: With dead ends: 5773 [2022-07-13 23:50:30,161 INFO L226 Difference]: Without dead ends: 3023 [2022-07-13 23:50:30,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1046 GetRequests, 1034 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-07-13 23:50:30,168 INFO L413 NwaCegarLoop]: 969 mSDtfsCounter, 30 mSDsluCounter, 1896 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 2865 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:50:30,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 2865 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:50:30,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3023 states. [2022-07-13 23:50:30,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3023 to 2763. [2022-07-13 23:50:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 1992 states have (on average 1.2976907630522088) internal successors, (2585), 2000 states have internal predecessors, (2585), 594 states have call successors, (594), 152 states have call predecessors, (594), 176 states have return successors, (679), 638 states have call predecessors, (679), 593 states have call successors, (679) [2022-07-13 23:50:30,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 3858 transitions. [2022-07-13 23:50:30,307 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 3858 transitions. Word has length 789 [2022-07-13 23:50:30,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:50:30,308 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 3858 transitions. [2022-07-13 23:50:30,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.75) internal successors, (211), 4 states have internal predecessors, (211), 3 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-07-13 23:50:30,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 3858 transitions. [2022-07-13 23:50:30,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 867 [2022-07-13 23:50:30,315 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:50:30,315 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 21, 21, 21, 21, 21, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:50:30,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-07-13 23:50:30,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-07-13 23:50:30,531 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:50:30,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:50:30,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1619204373, now seen corresponding path program 1 times [2022-07-13 23:50:30,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:50:30,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512692044] [2022-07-13 23:50:30,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:50:30,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:50:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:50:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:50:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 23:50:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:50:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:50:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:50:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 23:50:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 23:50:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-13 23:50:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-13 23:50:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-13 23:50:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-13 23:50:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:50:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 23:50:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-13 23:50:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 23:50:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:50:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-13 23:50:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-13 23:50:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-13 23:50:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:50:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:50:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 23:50:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:50:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-13 23:50:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:50:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 23:50:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-13 23:50:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 23:50:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-13 23:50:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:50:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:50:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 23:50:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:50:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-13 23:50:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:50:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 23:50:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-13 23:50:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:50:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:50:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 23:50:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:50:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-13 23:50:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:50:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 23:50:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-13 23:50:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:31,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:50:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:50:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 23:50:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:50:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-13 23:50:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:50:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 23:50:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-13 23:50:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:50:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:50:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 23:50:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:50:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-13 23:50:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:50:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 23:50:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 841 [2022-07-13 23:50:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 848 [2022-07-13 23:50:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2022-07-13 23:50:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4409 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 4381 trivial. 0 not checked. [2022-07-13 23:50:32,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:50:32,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512692044] [2022-07-13 23:50:32,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512692044] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:50:32,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068887669] [2022-07-13 23:50:32,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:50:32,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:50:32,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:50:32,100 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:50:32,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-07-13 23:50:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:35,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 6934 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 23:50:35,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:50:35,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4409 backedges. 2184 proven. 0 refuted. 0 times theorem prover too weak. 2225 trivial. 0 not checked. [2022-07-13 23:50:35,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:50:35,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068887669] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:50:35,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:50:35,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 14 [2022-07-13 23:50:35,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008536712] [2022-07-13 23:50:35,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:50:35,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:50:35,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:50:35,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:50:35,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-07-13 23:50:35,075 INFO L87 Difference]: Start difference. First operand 2763 states and 3858 transitions. Second operand has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 2 states have call successors, (62), 2 states have call predecessors, (62), 3 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-07-13 23:50:35,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:50:35,240 INFO L93 Difference]: Finished difference Result 5563 states and 7793 transitions. [2022-07-13 23:50:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 23:50:35,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 2 states have call successors, (62), 2 states have call predecessors, (62), 3 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 866 [2022-07-13 23:50:35,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:50:35,249 INFO L225 Difference]: With dead ends: 5563 [2022-07-13 23:50:35,249 INFO L226 Difference]: Without dead ends: 2787 [2022-07-13 23:50:35,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1154 GetRequests, 1141 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-07-13 23:50:35,254 INFO L413 NwaCegarLoop]: 930 mSDtfsCounter, 10 mSDsluCounter, 1855 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2785 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:50:35,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2785 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:50:35,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2787 states. [2022-07-13 23:50:35,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2787 to 2767. [2022-07-13 23:50:35,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2767 states, 1996 states have (on average 1.2970941883767535) internal successors, (2589), 2004 states have internal predecessors, (2589), 594 states have call successors, (594), 152 states have call predecessors, (594), 176 states have return successors, (679), 638 states have call predecessors, (679), 593 states have call successors, (679) [2022-07-13 23:50:35,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 3862 transitions. [2022-07-13 23:50:35,386 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 3862 transitions. Word has length 866 [2022-07-13 23:50:35,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:50:35,386 INFO L495 AbstractCegarLoop]: Abstraction has 2767 states and 3862 transitions. [2022-07-13 23:50:35,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 2 states have call successors, (62), 2 states have call predecessors, (62), 3 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-07-13 23:50:35,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3862 transitions. [2022-07-13 23:50:35,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 865 [2022-07-13 23:50:35,393 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:50:35,393 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 17, 17, 17, 17, 17, 17, 17, 17, 13, 13, 13, 13, 13, 12, 12, 12, 9, 9, 9, 9, 9, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:50:35,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-07-13 23:50:35,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-07-13 23:50:35,597 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:50:35,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:50:35,597 INFO L85 PathProgramCache]: Analyzing trace with hash -412860627, now seen corresponding path program 1 times [2022-07-13 23:50:35,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:50:35,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511807626] [2022-07-13 23:50:35,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:50:35,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:50:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:50:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:50:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:50:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:50:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 23:50:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:50:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 23:50:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 23:50:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-13 23:50:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-13 23:50:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-13 23:50:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-13 23:50:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:50:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 23:50:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-13 23:50:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 23:50:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:50:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-13 23:50:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-13 23:50:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-13 23:50:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:50:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:50:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 23:50:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:50:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-13 23:50:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:50:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 23:50:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-13 23:50:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-13 23:50:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-13 23:50:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:50:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 23:50:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-13 23:50:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 23:50:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:50:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-13 23:50:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-13 23:50:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-13 23:50:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:50:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:50:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 23:50:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:50:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-13 23:50:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:50:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 23:50:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-13 23:50:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 23:50:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 23:50:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-13 23:50:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 23:50:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 23:50:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-13 23:50:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-13 23:50:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-13 23:50:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:50:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:50:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 23:50:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 23:50:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:50:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 23:50:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:50:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-13 23:50:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 23:50:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 23:50:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 23:50:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2022-07-13 23:50:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2022-07-13 23:50:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 852 [2022-07-13 23:50:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:37,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3921 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 3893 trivial. 0 not checked. [2022-07-13 23:50:37,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:50:37,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511807626] [2022-07-13 23:50:37,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511807626] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:50:37,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143712274] [2022-07-13 23:50:37,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:50:37,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:50:37,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:50:37,590 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 23:50:37,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process