/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/nested3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-06 05:26:47,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-06 05:26:47,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-06 05:26:47,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-06 05:26:47,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-06 05:26:47,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-06 05:26:47,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-06 05:26:47,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-06 05:26:47,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-06 05:26:47,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-06 05:26:47,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-06 05:26:47,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-06 05:26:47,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-06 05:26:47,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-06 05:26:47,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-06 05:26:47,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-06 05:26:47,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-06 05:26:47,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-06 05:26:47,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-06 05:26:47,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-06 05:26:47,240 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-06 05:26:47,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-06 05:26:47,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-06 05:26:47,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-06 05:26:47,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-06 05:26:47,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-06 05:26:47,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-06 05:26:47,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-06 05:26:47,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-06 05:26:47,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-06 05:26:47,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-06 05:26:47,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-06 05:26:47,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-06 05:26:47,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-06 05:26:47,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-06 05:26:47,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-06 05:26:47,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-06 05:26:47,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-06 05:26:47,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-06 05:26:47,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-06 05:26:47,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-06 05:26:47,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-06 05:26:47,266 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-06 05:26:47,281 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-06 05:26:47,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-06 05:26:47,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-06 05:26:47,282 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-06 05:26:47,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-06 05:26:47,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-06 05:26:47,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-06 05:26:47,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-06 05:26:47,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-06 05:26:47,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-06 05:26:47,286 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-06 05:26:47,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-06 05:26:47,286 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-06 05:26:47,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-06 05:26:47,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-06 05:26:47,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-06 05:26:47,286 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-06 05:26:47,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-06 05:26:47,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 05:26:47,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-06 05:26:47,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-06 05:26:47,287 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-06 05:26:47,288 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-06 05:26:47,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-06 05:26:47,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-06 05:26:47,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-06 05:26:47,554 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-06 05:26:47,555 INFO L275 PluginConnector]: CDTParser initialized [2022-04-06 05:26:47,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested3-1.c [2022-04-06 05:26:47,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56f9a2264/27adc1b3f6b146b48079c1d1ec83ea4e/FLAG0150fdab5 [2022-04-06 05:26:47,985 INFO L306 CDTParser]: Found 1 translation units. [2022-04-06 05:26:47,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c [2022-04-06 05:26:47,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56f9a2264/27adc1b3f6b146b48079c1d1ec83ea4e/FLAG0150fdab5 [2022-04-06 05:26:48,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56f9a2264/27adc1b3f6b146b48079c1d1ec83ea4e [2022-04-06 05:26:48,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-06 05:26:48,401 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-06 05:26:48,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-06 05:26:48,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-06 05:26:48,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-06 05:26:48,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 05:26:48" (1/1) ... [2022-04-06 05:26:48,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7311bae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 05:26:48, skipping insertion in model container [2022-04-06 05:26:48,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 05:26:48" (1/1) ... [2022-04-06 05:26:48,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-06 05:26:48,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-06 05:26:48,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c[321,334] [2022-04-06 05:26:48,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 05:26:48,566 INFO L203 MainTranslator]: Completed pre-run [2022-04-06 05:26:48,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-1.c[321,334] [2022-04-06 05:26:48,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 05:26:48,607 INFO L208 MainTranslator]: Completed translation [2022-04-06 05:26:48,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 05:26:48 WrapperNode [2022-04-06 05:26:48,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-06 05:26:48,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-06 05:26:48,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-06 05:26:48,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-06 05:26:48,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 05:26:48" (1/1) ... [2022-04-06 05:26:48,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 05:26:48" (1/1) ... [2022-04-06 05:26:48,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 05:26:48" (1/1) ... [2022-04-06 05:26:48,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 05:26:48" (1/1) ... [2022-04-06 05:26:48,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 05:26:48" (1/1) ... [2022-04-06 05:26:48,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 05:26:48" (1/1) ... [2022-04-06 05:26:48,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 05:26:48" (1/1) ... [2022-04-06 05:26:48,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-06 05:26:48,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-06 05:26:48,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-06 05:26:48,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-06 05:26:48,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 05:26:48" (1/1) ... [2022-04-06 05:26:48,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 05:26:48,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 05:26:48,685 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) [2022-04-06 05:26:48,708 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 [2022-04-06 05:26:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-06 05:26:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-06 05:26:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-06 05:26:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-06 05:26:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-06 05:26:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-06 05:26:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-06 05:26:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-06 05:26:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-06 05:26:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-06 05:26:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-06 05:26:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-06 05:26:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-06 05:26:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-06 05:26:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-06 05:26:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-06 05:26:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-06 05:26:48,790 INFO L234 CfgBuilder]: Building ICFG [2022-04-06 05:26:48,791 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-06 05:26:48,958 INFO L275 CfgBuilder]: Performing block encoding [2022-04-06 05:26:48,973 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-06 05:26:48,973 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-04-06 05:26:48,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 05:26:48 BoogieIcfgContainer [2022-04-06 05:26:48,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-06 05:26:48,975 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-06 05:26:48,975 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-06 05:26:48,985 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-06 05:26:48,988 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 05:26:48" (1/1) ... [2022-04-06 05:26:48,990 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-06 05:26:49,223 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-06 05:26:49,224 INFO L91 elerationTransformer]: Accelerated Formula: (and (< (mod v_main_~z~0_3 4294967296) 268435455) (= (+ v_main_~z~0_3 1) v_main_~z~0_2)) InVars {main_~z~0=v_main_~z~0_3} OutVars{main_~z~0=v_main_~z~0_2, main_#t~post4=|v_main_#t~post4_1|} AuxVars[] AssignedVars[main_~z~0, main_#t~post4] to Formula: (let ((.cse0 (mod v_main_~z~0_3 4294967296))) (or (and (= v_main_~z~0_3 v_main_~z~0_2) (= |v_main_#t~post4_3| |v_main_#t~post4_1|) (<= 268435455 .cse0)) (and (<= (div (+ (* (- 1) v_main_~z~0_2) 268435455) (- 4294967296)) (+ (div (+ v_main_~z~0_3 (- 4294967295)) 4294967296) 1)) (< .cse0 268435455) (< v_main_~z~0_3 v_main_~z~0_2)))) InVars {main_#t~post4=|v_main_#t~post4_3|, main_~z~0=v_main_~z~0_3} OutVars{main_#t~post4=|v_main_#t~post4_1|, main_~z~0=v_main_~z~0_2} AuxVars[] AssignedVars[main_~z~0, main_#t~post4] [2022-04-06 05:26:49,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 05:26:49 BasicIcfg [2022-04-06 05:26:49,241 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-06 05:26:49,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-06 05:26:49,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-06 05:26:49,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-06 05:26:49,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 05:26:48" (1/4) ... [2022-04-06 05:26:49,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f81fd32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 05:26:49, skipping insertion in model container [2022-04-06 05:26:49,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 05:26:48" (2/4) ... [2022-04-06 05:26:49,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f81fd32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 05:26:49, skipping insertion in model container [2022-04-06 05:26:49,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 05:26:48" (3/4) ... [2022-04-06 05:26:49,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f81fd32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 05:26:49, skipping insertion in model container [2022-04-06 05:26:49,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 05:26:49" (4/4) ... [2022-04-06 05:26:49,247 INFO L111 eAbstractionObserver]: Analyzing ICFG nested3-1.cJordan [2022-04-06 05:26:49,251 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-06 05:26:49,251 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-06 05:26:49,296 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-06 05:26:49,303 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 [2022-04-06 05:26:49,304 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-06 05:26:49,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-06 05:26:49,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-06 05:26:49,326 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 05:26:49,326 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 05:26:49,327 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 05:26:49,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 05:26:49,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1301415802, now seen corresponding path program 1 times [2022-04-06 05:26:49,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 05:26:49,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145337427] [2022-04-06 05:26:49,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 05:26:49,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 05:26:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:49,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 05:26:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:49,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 05:26:49,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 05:26:49,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145337427] [2022-04-06 05:26:49,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145337427] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 05:26:49,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 05:26:49,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-06 05:26:49,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84739273] [2022-04-06 05:26:49,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 05:26:49,500 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-06 05:26:49,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 05:26:49,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-06 05:26:49,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-06 05:26:49,533 INFO L87 Difference]: Start difference. First operand has 25 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 05:26:49,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 05:26:49,594 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-04-06 05:26:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-06 05:26:49,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 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 11 [2022-04-06 05:26:49,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 05:26:49,601 INFO L225 Difference]: With dead ends: 25 [2022-04-06 05:26:49,602 INFO L226 Difference]: Without dead ends: 20 [2022-04-06 05:26:49,603 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-06 05:26:49,606 INFO L913 BasicCegarLoop]: 26 mSDtfsCounter, 16 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-06 05:26:49,606 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 29 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-06 05:26:49,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-04-06 05:26:49,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-04-06 05:26:49,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-06 05:26:49,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-04-06 05:26:49,633 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 11 [2022-04-06 05:26:49,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 05:26:49,634 INFO L478 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-04-06 05:26:49,634 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 05:26:49,634 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-04-06 05:26:49,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-06 05:26:49,635 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 05:26:49,635 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 05:26:49,636 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-06 05:26:49,636 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 05:26:49,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 05:26:49,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1302339323, now seen corresponding path program 1 times [2022-04-06 05:26:49,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 05:26:49,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426946411] [2022-04-06 05:26:49,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 05:26:49,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 05:26:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:49,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 05:26:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:49,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 05:26:49,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 05:26:49,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426946411] [2022-04-06 05:26:49,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426946411] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 05:26:49,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 05:26:49,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 05:26:49,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258760376] [2022-04-06 05:26:49,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 05:26:49,761 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 05:26:49,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 05:26:49,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 05:26:49,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 05:26:49,762 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 05:26:49,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 05:26:49,839 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2022-04-06 05:26:49,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 05:26:49,840 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 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 11 [2022-04-06 05:26:49,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 05:26:49,841 INFO L225 Difference]: With dead ends: 27 [2022-04-06 05:26:49,841 INFO L226 Difference]: Without dead ends: 27 [2022-04-06 05:26:49,844 INFO L912 BasicCegarLoop]: 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 [2022-04-06 05:26:49,846 INFO L913 BasicCegarLoop]: 20 mSDtfsCounter, 26 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 05:26:49,846 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 27 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 05:26:49,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-04-06 05:26:49,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2022-04-06 05:26:49,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-06 05:26:49,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2022-04-06 05:26:49,857 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 11 [2022-04-06 05:26:49,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 05:26:49,857 INFO L478 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-04-06 05:26:49,859 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 05:26:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-04-06 05:26:49,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-06 05:26:49,863 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 05:26:49,866 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 05:26:49,866 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-06 05:26:49,866 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 05:26:49,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 05:26:49,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1748313539, now seen corresponding path program 1 times [2022-04-06 05:26:49,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 05:26:49,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073987003] [2022-04-06 05:26:49,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 05:26:49,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 05:26:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:49,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 05:26:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 05:26:49,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 05:26:49,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073987003] [2022-04-06 05:26:49,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073987003] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 05:26:49,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 05:26:49,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 05:26:49,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036520634] [2022-04-06 05:26:49,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 05:26:49,954 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 05:26:49,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 05:26:49,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 05:26:49,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 05:26:49,956 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 05:26:50,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 05:26:50,034 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2022-04-06 05:26:50,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 05:26:50,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 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 12 [2022-04-06 05:26:50,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 05:26:50,036 INFO L225 Difference]: With dead ends: 25 [2022-04-06 05:26:50,036 INFO L226 Difference]: Without dead ends: 25 [2022-04-06 05:26:50,039 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 05:26:50,042 INFO L913 BasicCegarLoop]: 20 mSDtfsCounter, 21 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 05:26:50,043 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 27 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 05:26:50,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-04-06 05:26:50,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2022-04-06 05:26:50,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-06 05:26:50,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-04-06 05:26:50,046 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 12 [2022-04-06 05:26:50,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 05:26:50,046 INFO L478 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-04-06 05:26:50,047 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 05:26:50,047 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-04-06 05:26:50,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-04-06 05:26:50,047 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 05:26:50,047 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 05:26:50,047 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-06 05:26:50,048 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 05:26:50,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 05:26:50,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1606116621, now seen corresponding path program 1 times [2022-04-06 05:26:50,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 05:26:50,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088531756] [2022-04-06 05:26:50,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 05:26:50,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 05:26:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:50,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 05:26:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:50,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 05:26:50,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 05:26:50,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088531756] [2022-04-06 05:26:50,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088531756] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 05:26:50,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 05:26:50,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 05:26:50,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461226369] [2022-04-06 05:26:50,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 05:26:50,135 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 05:26:50,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 05:26:50,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 05:26:50,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 05:26:50,136 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 05:26:50,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 05:26:50,179 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2022-04-06 05:26:50,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 05:26:50,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 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 13 [2022-04-06 05:26:50,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 05:26:50,181 INFO L225 Difference]: With dead ends: 24 [2022-04-06 05:26:50,181 INFO L226 Difference]: Without dead ends: 24 [2022-04-06 05:26:50,181 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 05:26:50,187 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-06 05:26:50,188 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 28 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-06 05:26:50,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-04-06 05:26:50,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-04-06 05:26:50,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-06 05:26:50,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-04-06 05:26:50,198 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 13 [2022-04-06 05:26:50,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 05:26:50,198 INFO L478 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-04-06 05:26:50,198 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 05:26:50,199 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-04-06 05:26:50,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-04-06 05:26:50,200 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 05:26:50,200 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 05:26:50,200 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-06 05:26:50,200 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 05:26:50,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 05:26:50,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1773342651, now seen corresponding path program 1 times [2022-04-06 05:26:50,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 05:26:50,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961147750] [2022-04-06 05:26:50,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 05:26:50,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 05:26:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:50,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 05:26:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 05:26:50,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 05:26:50,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961147750] [2022-04-06 05:26:50,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961147750] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 05:26:50,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481398589] [2022-04-06 05:26:50,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 05:26:50,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 05:26:50,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 05:26:50,434 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) [2022-04-06 05:26:50,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-06 05:26:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:50,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-06 05:26:50,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 05:26:50,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 05:26:50,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 05:26:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-06 05:26:50,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481398589] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-06 05:26:50,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-04-06 05:26:50,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8] total 16 [2022-04-06 05:26:50,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559172892] [2022-04-06 05:26:50,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 05:26:50,864 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 05:26:50,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 05:26:50,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 05:26:50,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-04-06 05:26:50,870 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 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) [2022-04-06 05:26:50,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 05:26:50,920 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-04-06 05:26:50,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-06 05:26:50,921 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 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 14 [2022-04-06 05:26:50,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 05:26:50,922 INFO L225 Difference]: With dead ends: 28 [2022-04-06 05:26:50,922 INFO L226 Difference]: Without dead ends: 28 [2022-04-06 05:26:50,922 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-04-06 05:26:50,923 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-06 05:26:50,923 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 69 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-06 05:26:50,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-04-06 05:26:50,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-04-06 05:26:50,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-06 05:26:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-04-06 05:26:50,931 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 14 [2022-04-06 05:26:50,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 05:26:50,932 INFO L478 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-04-06 05:26:50,932 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 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) [2022-04-06 05:26:50,932 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-04-06 05:26:50,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-04-06 05:26:50,932 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 05:26:50,932 INFO L499 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 05:26:50,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-06 05:26:51,138 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 05:26:51,138 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 05:26:51,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 05:26:51,139 INFO L85 PathProgramCache]: Analyzing trace with hash 259423101, now seen corresponding path program 1 times [2022-04-06 05:26:51,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 05:26:51,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746044196] [2022-04-06 05:26:51,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 05:26:51,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 05:26:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:51,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 05:26:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:51,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 05:26:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:51,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-06 05:26:51,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 05:26:51,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746044196] [2022-04-06 05:26:51,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746044196] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 05:26:51,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110849931] [2022-04-06 05:26:51,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 05:26:51,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 05:26:51,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 05:26:51,228 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) [2022-04-06 05:26:51,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-06 05:26:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:51,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-06 05:26:51,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 05:26:51,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-06 05:26:51,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 05:26:51,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-06 05:26:51,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110849931] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 05:26:51,432 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 05:26:51,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 12 [2022-04-06 05:26:51,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515109561] [2022-04-06 05:26:51,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 05:26:51,433 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-06 05:26:51,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 05:26:51,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-06 05:26:51,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-04-06 05:26:51,434 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 9 states have internal predecessors, (28), 6 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-06 05:26:51,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 05:26:51,661 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2022-04-06 05:26:51,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-06 05:26:51,662 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 9 states have internal predecessors, (28), 6 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21 [2022-04-06 05:26:51,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 05:26:51,663 INFO L225 Difference]: With dead ends: 49 [2022-04-06 05:26:51,663 INFO L226 Difference]: Without dead ends: 49 [2022-04-06 05:26:51,663 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2022-04-06 05:26:51,664 INFO L913 BasicCegarLoop]: 28 mSDtfsCounter, 50 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 05:26:51,664 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 60 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 05:26:51,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-04-06 05:26:51,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 42. [2022-04-06 05:26:51,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 31 states have internal predecessors, (36), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-06 05:26:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2022-04-06 05:26:51,668 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 21 [2022-04-06 05:26:51,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 05:26:51,668 INFO L478 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2022-04-06 05:26:51,668 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 9 states have internal predecessors, (28), 6 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-06 05:26:51,669 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-04-06 05:26:51,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-04-06 05:26:51,669 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 05:26:51,669 INFO L499 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 05:26:51,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-06 05:26:51,891 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-04-06 05:26:51,892 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 05:26:51,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 05:26:51,892 INFO L85 PathProgramCache]: Analyzing trace with hash -515836157, now seen corresponding path program 2 times [2022-04-06 05:26:51,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 05:26:51,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384570206] [2022-04-06 05:26:51,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 05:26:51,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 05:26:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:51,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 05:26:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:51,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 05:26:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:51,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-04-06 05:26:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:51,993 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-04-06 05:26:51,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 05:26:51,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384570206] [2022-04-06 05:26:51,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384570206] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 05:26:51,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431235701] [2022-04-06 05:26:51,994 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-06 05:26:51,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 05:26:51,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 05:26:51,995 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) [2022-04-06 05:26:52,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-06 05:26:52,045 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-06 05:26:52,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-06 05:26:52,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-06 05:26:52,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 05:26:52,136 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-04-06 05:26:52,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 05:26:52,220 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-04-06 05:26:52,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431235701] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 05:26:52,221 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 05:26:52,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-04-06 05:26:52,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456909807] [2022-04-06 05:26:52,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 05:26:52,222 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-06 05:26:52,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 05:26:52,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-06 05:26:52,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-04-06 05:26:52,223 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-06 05:26:52,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 05:26:52,428 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions. [2022-04-06 05:26:52,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-06 05:26:52,429 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 30 [2022-04-06 05:26:52,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 05:26:52,431 INFO L225 Difference]: With dead ends: 62 [2022-04-06 05:26:52,431 INFO L226 Difference]: Without dead ends: 62 [2022-04-06 05:26:52,432 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-04-06 05:26:52,432 INFO L913 BasicCegarLoop]: 26 mSDtfsCounter, 60 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 05:26:52,432 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 43 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 05:26:52,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-04-06 05:26:52,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-04-06 05:26:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 47 states have internal predecessors, (56), 12 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-04-06 05:26:52,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2022-04-06 05:26:52,438 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 30 [2022-04-06 05:26:52,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 05:26:52,438 INFO L478 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-04-06 05:26:52,438 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-06 05:26:52,438 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2022-04-06 05:26:52,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-06 05:26:52,440 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 05:26:52,440 INFO L499 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 05:26:52,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-06 05:26:52,655 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 05:26:52,655 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 05:26:52,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 05:26:52,656 INFO L85 PathProgramCache]: Analyzing trace with hash -820041341, now seen corresponding path program 3 times [2022-04-06 05:26:52,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 05:26:52,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732525381] [2022-04-06 05:26:52,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 05:26:52,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 05:26:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 05:26:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:52,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 05:26:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:52,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-04-06 05:26:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:52,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-06 05:26:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-04-06 05:26:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-04-06 05:26:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-04-06 05:26:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:52,822 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 12 proven. 111 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-04-06 05:26:52,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 05:26:52,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732525381] [2022-04-06 05:26:52,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732525381] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 05:26:52,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33685656] [2022-04-06 05:26:52,822 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-06 05:26:52,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 05:26:52,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 05:26:52,823 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) [2022-04-06 05:26:52,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-06 05:26:52,932 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-04-06 05:26:52,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-06 05:26:52,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-06 05:26:52,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 05:26:53,208 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-04-06 05:26:53,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 05:26:53,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33685656] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 05:26:53,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-06 05:26:53,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2022-04-06 05:26:53,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316257698] [2022-04-06 05:26:53,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 05:26:53,209 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-06 05:26:53,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 05:26:53,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-06 05:26:53,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-04-06 05:26:53,210 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-06 05:26:53,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 05:26:53,345 INFO L93 Difference]: Finished difference Result 66 states and 81 transitions. [2022-04-06 05:26:53,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-06 05:26:53,346 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 66 [2022-04-06 05:26:53,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 05:26:53,347 INFO L225 Difference]: With dead ends: 66 [2022-04-06 05:26:53,347 INFO L226 Difference]: Without dead ends: 64 [2022-04-06 05:26:53,347 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2022-04-06 05:26:53,348 INFO L913 BasicCegarLoop]: 26 mSDtfsCounter, 13 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 05:26:53,348 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 101 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 05:26:53,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-04-06 05:26:53,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 54. [2022-04-06 05:26:53,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 10 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-06 05:26:53,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2022-04-06 05:26:53,352 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 66 [2022-04-06 05:26:53,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 05:26:53,353 INFO L478 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2022-04-06 05:26:53,353 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-06 05:26:53,353 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-04-06 05:26:53,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-04-06 05:26:53,354 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 05:26:53,354 INFO L499 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 05:26:53,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-06 05:26:53,559 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 05:26:53,559 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 05:26:53,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 05:26:53,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1241135261, now seen corresponding path program 1 times [2022-04-06 05:26:53,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 05:26:53,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872383464] [2022-04-06 05:26:53,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 05:26:53,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 05:26:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:53,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 05:26:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:53,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 05:26:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:53,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-04-06 05:26:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:53,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-06 05:26:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:53,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-04-06 05:26:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:53,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-04-06 05:26:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:53,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-04-06 05:26:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:53,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-04-06 05:26:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:53,695 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 15 proven. 111 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-04-06 05:26:53,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 05:26:53,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872383464] [2022-04-06 05:26:53,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872383464] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 05:26:53,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832243811] [2022-04-06 05:26:53,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 05:26:53,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 05:26:53,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 05:26:53,696 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) [2022-04-06 05:26:53,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-06 05:26:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:53,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-06 05:26:53,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 05:26:53,961 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 14 proven. 42 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-04-06 05:26:53,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 05:26:54,206 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-04-06 05:26:54,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832243811] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 05:26:54,206 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 05:26:54,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 18 [2022-04-06 05:26:54,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650515683] [2022-04-06 05:26:54,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 05:26:54,207 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-04-06 05:26:54,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 05:26:54,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-04-06 05:26:54,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-04-06 05:26:54,208 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 12 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-04-06 05:26:55,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 05:26:55,391 INFO L93 Difference]: Finished difference Result 192 states and 262 transitions. [2022-04-06 05:26:55,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-04-06 05:26:55,392 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 12 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) Word has length 73 [2022-04-06 05:26:55,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 05:26:55,394 INFO L225 Difference]: With dead ends: 192 [2022-04-06 05:26:55,394 INFO L226 Difference]: Without dead ends: 192 [2022-04-06 05:26:55,395 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=520, Invalid=2030, Unknown=0, NotChecked=0, Total=2550 [2022-04-06 05:26:55,395 INFO L913 BasicCegarLoop]: 53 mSDtfsCounter, 411 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-06 05:26:55,395 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [411 Valid, 80 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-06 05:26:55,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-04-06 05:26:55,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 176. [2022-04-06 05:26:55,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 137 states have (on average 1.2408759124087592) internal successors, (170), 137 states have internal predecessors, (170), 35 states have call successors, (35), 5 states have call predecessors, (35), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-04-06 05:26:55,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 238 transitions. [2022-04-06 05:26:55,407 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 238 transitions. Word has length 73 [2022-04-06 05:26:55,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 05:26:55,407 INFO L478 AbstractCegarLoop]: Abstraction has 176 states and 238 transitions. [2022-04-06 05:26:55,407 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 12 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-04-06 05:26:55,407 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 238 transitions. [2022-04-06 05:26:55,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-04-06 05:26:55,412 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 05:26:55,412 INFO L499 BasicCegarLoop]: trace histogram [33, 32, 32, 28, 28, 28, 28, 28, 28, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 05:26:55,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-04-06 05:26:55,634 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 05:26:55,634 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 05:26:55,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 05:26:55,635 INFO L85 PathProgramCache]: Analyzing trace with hash 827581691, now seen corresponding path program 2 times [2022-04-06 05:26:55,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 05:26:55,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659986957] [2022-04-06 05:26:55,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 05:26:55,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 05:26:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 05:26:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 05:26:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-04-06 05:26:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-06 05:26:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-04-06 05:26:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-04-06 05:26:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-04-06 05:26:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-04-06 05:26:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-04-06 05:26:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-04-06 05:26:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-04-06 05:26:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-04-06 05:26:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-04-06 05:26:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-04-06 05:26:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-04-06 05:26:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-04-06 05:26:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-04-06 05:26:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-04-06 05:26:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-04-06 05:26:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-04-06 05:26:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-04-06 05:26:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-04-06 05:26:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-04-06 05:26:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-04-06 05:26:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-04-06 05:26:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-04-06 05:26:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-04-06 05:26:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-04-06 05:26:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-04-06 05:26:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-04-06 05:26:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-04-06 05:26:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-04-06 05:26:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-04-06 05:26:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:26:55,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 1142 proven. 154 refuted. 0 times theorem prover too weak. 3566 trivial. 0 not checked. [2022-04-06 05:26:55,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 05:26:55,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659986957] [2022-04-06 05:26:55,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659986957] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 05:26:55,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818997826] [2022-04-06 05:26:55,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-06 05:26:55,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 05:26:55,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 05:26:55,977 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) [2022-04-06 05:26:56,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-06 05:26:56,105 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-06 05:26:56,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-06 05:26:56,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 22 conjunts are in the unsatisfiable core [2022-04-06 05:26:56,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 05:26:56,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 64 proven. 2303 refuted. 0 times theorem prover too weak. 2495 trivial. 0 not checked. [2022-04-06 05:26:56,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 05:26:57,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 151 proven. 2216 refuted. 0 times theorem prover too weak. 2495 trivial. 0 not checked. [2022-04-06 05:26:57,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818997826] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 05:26:57,663 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 05:26:57,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 31 [2022-04-06 05:26:57,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784792016] [2022-04-06 05:26:57,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 05:26:57,664 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-04-06 05:26:57,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 05:26:57,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-04-06 05:26:57,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=744, Unknown=0, NotChecked=0, Total=930 [2022-04-06 05:26:57,666 INFO L87 Difference]: Start difference. First operand 176 states and 238 transitions. Second operand has 31 states, 31 states have (on average 4.580645161290323) internal successors, (142), 30 states have internal predecessors, (142), 25 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 25 states have call predecessors, (34), 25 states have call successors, (34) [2022-04-06 05:27:04,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 05:27:04,814 INFO L93 Difference]: Finished difference Result 500 states and 698 transitions. [2022-04-06 05:27:04,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-04-06 05:27:04,814 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 4.580645161290323) internal successors, (142), 30 states have internal predecessors, (142), 25 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 25 states have call predecessors, (34), 25 states have call successors, (34) Word has length 295 [2022-04-06 05:27:04,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 05:27:04,817 INFO L225 Difference]: With dead ends: 500 [2022-04-06 05:27:04,817 INFO L226 Difference]: Without dead ends: 500 [2022-04-06 05:27:04,822 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 638 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5322 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=2534, Invalid=12966, Unknown=0, NotChecked=0, Total=15500 [2022-04-06 05:27:04,823 INFO L913 BasicCegarLoop]: 128 mSDtfsCounter, 1016 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 4112 mSolverCounterSat, 751 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1016 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 4863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 751 IncrementalHoareTripleChecker+Valid, 4112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-06 05:27:04,823 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [1016 Valid, 200 Invalid, 4863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [751 Valid, 4112 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-04-06 05:27:04,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2022-04-06 05:27:04,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 460. [2022-04-06 05:27:04,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 363 states have (on average 1.2506887052341598) internal successors, (454), 363 states have internal predecessors, (454), 93 states have call successors, (93), 5 states have call predecessors, (93), 3 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2022-04-06 05:27:04,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 638 transitions. [2022-04-06 05:27:04,847 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 638 transitions. Word has length 295 [2022-04-06 05:27:04,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 05:27:04,848 INFO L478 AbstractCegarLoop]: Abstraction has 460 states and 638 transitions. [2022-04-06 05:27:04,848 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.580645161290323) internal successors, (142), 30 states have internal predecessors, (142), 25 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 25 states have call predecessors, (34), 25 states have call successors, (34) [2022-04-06 05:27:04,848 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 638 transitions. [2022-04-06 05:27:04,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2022-04-06 05:27:04,868 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 05:27:04,868 INFO L499 BasicCegarLoop]: trace histogram [91, 90, 90, 80, 80, 80, 80, 80, 80, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 05:27:04,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-04-06 05:27:05,088 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 05:27:05,089 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 05:27:05,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 05:27:05,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1825980721, now seen corresponding path program 3 times [2022-04-06 05:27:05,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 05:27:05,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297461090] [2022-04-06 05:27:05,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 05:27:05,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 05:27:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 05:27:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 05:27:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-04-06 05:27:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-06 05:27:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-04-06 05:27:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-04-06 05:27:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-04-06 05:27:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-04-06 05:27:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-04-06 05:27:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-04-06 05:27:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-04-06 05:27:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-04-06 05:27:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-04-06 05:27:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-04-06 05:27:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-04-06 05:27:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-04-06 05:27:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-04-06 05:27:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-04-06 05:27:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-04-06 05:27:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-04-06 05:27:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-04-06 05:27:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-04-06 05:27:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-04-06 05:27:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-04-06 05:27:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-04-06 05:27:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-04-06 05:27:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-04-06 05:27:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-04-06 05:27:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-04-06 05:27:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-04-06 05:27:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-04-06 05:27:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-04-06 05:27:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-04-06 05:27:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-04-06 05:27:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-04-06 05:27:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-04-06 05:27:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-04-06 05:27:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-04-06 05:27:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-04-06 05:27:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-04-06 05:27:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-04-06 05:27:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-04-06 05:27:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-04-06 05:27:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-04-06 05:27:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-04-06 05:27:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-04-06 05:27:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-04-06 05:27:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-04-06 05:27:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-04-06 05:27:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-04-06 05:27:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-04-06 05:27:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-04-06 05:27:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-04-06 05:27:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-04-06 05:27:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-04-06 05:27:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-04-06 05:27:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-04-06 05:27:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-04-06 05:27:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-04-06 05:27:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-04-06 05:27:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-04-06 05:27:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-04-06 05:27:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-04-06 05:27:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-04-06 05:27:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-04-06 05:27:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-04-06 05:27:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2022-04-06 05:27:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-04-06 05:27:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-04-06 05:27:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-04-06 05:27:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2022-04-06 05:27:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-04-06 05:27:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2022-04-06 05:27:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2022-04-06 05:27:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-04-06 05:27:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-04-06 05:27:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2022-04-06 05:27:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-04-06 05:27:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2022-04-06 05:27:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-04-06 05:27:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2022-04-06 05:27:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2022-04-06 05:27:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 730 [2022-04-06 05:27:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 739 [2022-04-06 05:27:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 748 [2022-04-06 05:27:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2022-04-06 05:27:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2022-04-06 05:27:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 775 [2022-04-06 05:27:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 784 [2022-04-06 05:27:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 793 [2022-04-06 05:27:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-04-06 05:27:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:05,943 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4375 proven. 204 refuted. 0 times theorem prover too weak. 34811 trivial. 0 not checked. [2022-04-06 05:27:05,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 05:27:05,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297461090] [2022-04-06 05:27:05,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297461090] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 05:27:05,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743551752] [2022-04-06 05:27:05,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-06 05:27:05,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 05:27:05,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 05:27:05,945 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) [2022-04-06 05:27:06,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-06 05:27:06,703 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2022-04-06 05:27:06,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-06 05:27:06,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 19 conjunts are in the unsatisfiable core [2022-04-06 05:27:06,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 05:27:07,802 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4747 proven. 204 refuted. 0 times theorem prover too weak. 34439 trivial. 0 not checked. [2022-04-06 05:27:07,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 05:27:08,957 INFO L134 CoverageAnalysis]: Checked inductivity of 39390 backedges. 4393 proven. 204 refuted. 0 times theorem prover too weak. 34793 trivial. 0 not checked. [2022-04-06 05:27:08,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743551752] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 05:27:08,957 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 05:27:08,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 22 [2022-04-06 05:27:08,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486793676] [2022-04-06 05:27:08,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 05:27:08,959 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-04-06 05:27:08,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 05:27:08,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-04-06 05:27:08,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2022-04-06 05:27:08,960 INFO L87 Difference]: Start difference. First operand 460 states and 638 transitions. Second operand has 22 states, 22 states have (on average 4.409090909090909) internal successors, (97), 21 states have internal predecessors, (97), 18 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 18 states have call predecessors, (22), 18 states have call successors, (22) [2022-04-06 05:27:11,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 05:27:11,486 INFO L93 Difference]: Finished difference Result 960 states and 1338 transitions. [2022-04-06 05:27:11,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-04-06 05:27:11,486 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.409090909090909) internal successors, (97), 21 states have internal predecessors, (97), 18 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 18 states have call predecessors, (22), 18 states have call successors, (22) Word has length 811 [2022-04-06 05:27:11,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 05:27:11,491 INFO L225 Difference]: With dead ends: 960 [2022-04-06 05:27:11,491 INFO L226 Difference]: Without dead ends: 960 [2022-04-06 05:27:11,492 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1833 GetRequests, 1794 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=455, Invalid=1105, Unknown=0, NotChecked=0, Total=1560 [2022-04-06 05:27:11,492 INFO L913 BasicCegarLoop]: 44 mSDtfsCounter, 150 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-06 05:27:11,492 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 91 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-06 05:27:11,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2022-04-06 05:27:11,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2022-04-06 05:27:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 763 states have (on average 1.2503276539973787) internal successors, (954), 763 states have internal predecessors, (954), 193 states have call successors, (193), 5 states have call predecessors, (193), 3 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2022-04-06 05:27:11,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1338 transitions. [2022-04-06 05:27:11,527 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1338 transitions. Word has length 811 [2022-04-06 05:27:11,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 05:27:11,527 INFO L478 AbstractCegarLoop]: Abstraction has 960 states and 1338 transitions. [2022-04-06 05:27:11,527 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.409090909090909) internal successors, (97), 21 states have internal predecessors, (97), 18 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 18 states have call predecessors, (22), 18 states have call successors, (22) [2022-04-06 05:27:11,528 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1338 transitions. [2022-04-06 05:27:11,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1712 [2022-04-06 05:27:11,612 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 05:27:11,612 INFO L499 BasicCegarLoop]: trace histogram [191, 190, 190, 180, 180, 180, 180, 180, 180, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 05:27:11,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-06 05:27:11,818 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 05:27:11,818 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 05:27:11,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 05:27:11,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1014981681, now seen corresponding path program 4 times [2022-04-06 05:27:11,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 05:27:11,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269844933] [2022-04-06 05:27:11,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 05:27:11,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 05:27:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 05:27:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 05:27:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-04-06 05:27:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-06 05:27:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-04-06 05:27:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-04-06 05:27:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-04-06 05:27:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-04-06 05:27:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-04-06 05:27:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-04-06 05:27:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-04-06 05:27:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-04-06 05:27:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-04-06 05:27:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-04-06 05:27:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-04-06 05:27:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-04-06 05:27:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-04-06 05:27:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-04-06 05:27:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-04-06 05:27:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-04-06 05:27:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-04-06 05:27:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-04-06 05:27:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-04-06 05:27:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-04-06 05:27:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-04-06 05:27:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-04-06 05:27:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-04-06 05:27:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-04-06 05:27:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-04-06 05:27:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-04-06 05:27:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-04-06 05:27:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-04-06 05:27:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-04-06 05:27:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-04-06 05:27:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-04-06 05:27:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-04-06 05:27:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-04-06 05:27:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-04-06 05:27:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-04-06 05:27:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-04-06 05:27:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-04-06 05:27:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-04-06 05:27:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-04-06 05:27:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-04-06 05:27:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-04-06 05:27:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-04-06 05:27:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-04-06 05:27:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-04-06 05:27:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-04-06 05:27:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-04-06 05:27:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-04-06 05:27:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-04-06 05:27:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-04-06 05:27:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-04-06 05:27:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-04-06 05:27:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-04-06 05:27:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-04-06 05:27:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-04-06 05:27:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-04-06 05:27:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-04-06 05:27:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-04-06 05:27:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-04-06 05:27:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-04-06 05:27:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-04-06 05:27:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-04-06 05:27:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-04-06 05:27:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-04-06 05:27:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-04-06 05:27:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-04-06 05:27:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-04-06 05:27:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-04-06 05:27:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-04-06 05:27:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-04-06 05:27:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-04-06 05:27:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-04-06 05:27:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-04-06 05:27:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2022-04-06 05:27:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 690 [2022-04-06 05:27:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2022-04-06 05:27:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2022-04-06 05:27:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 717 [2022-04-06 05:27:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 726 [2022-04-06 05:27:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 735 [2022-04-06 05:27:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2022-04-06 05:27:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2022-04-06 05:27:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 762 [2022-04-06 05:27:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 771 [2022-04-06 05:27:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 780 [2022-04-06 05:27:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 789 [2022-04-06 05:27:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 798 [2022-04-06 05:27:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 807 [2022-04-06 05:27:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 816 [2022-04-06 05:27:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 825 [2022-04-06 05:27:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 834 [2022-04-06 05:27:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2022-04-06 05:27:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 850 [2022-04-06 05:27:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2022-04-06 05:27:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2022-04-06 05:27:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 878 [2022-04-06 05:27:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2022-04-06 05:27:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 896 [2022-04-06 05:27:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2022-04-06 05:27:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2022-04-06 05:27:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2022-04-06 05:27:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2022-04-06 05:27:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2022-04-06 05:27:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2022-04-06 05:27:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2022-04-06 05:27:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2022-04-06 05:27:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 977 [2022-04-06 05:27:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 986 [2022-04-06 05:27:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 995 [2022-04-06 05:27:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2022-04-06 05:27:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2022-04-06 05:27:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1020 [2022-04-06 05:27:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1030 [2022-04-06 05:27:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1039 [2022-04-06 05:27:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1048 [2022-04-06 05:27:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1057 [2022-04-06 05:27:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1066 [2022-04-06 05:27:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1075 [2022-04-06 05:27:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1084 [2022-04-06 05:27:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1093 [2022-04-06 05:27:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1102 [2022-04-06 05:27:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1111 [2022-04-06 05:27:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1120 [2022-04-06 05:27:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1129 [2022-04-06 05:27:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2022-04-06 05:27:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1147 [2022-04-06 05:27:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1156 [2022-04-06 05:27:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1165 [2022-04-06 05:27:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1174 [2022-04-06 05:27:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1183 [2022-04-06 05:27:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1190 [2022-04-06 05:27:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2022-04-06 05:27:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1209 [2022-04-06 05:27:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1218 [2022-04-06 05:27:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1227 [2022-04-06 05:27:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1236 [2022-04-06 05:27:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2022-04-06 05:27:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1254 [2022-04-06 05:27:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1263 [2022-04-06 05:27:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1272 [2022-04-06 05:27:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1281 [2022-04-06 05:27:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2022-04-06 05:27:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1299 [2022-04-06 05:27:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1308 [2022-04-06 05:27:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1317 [2022-04-06 05:27:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1326 [2022-04-06 05:27:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2022-04-06 05:27:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1344 [2022-04-06 05:27:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1353 [2022-04-06 05:27:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1360 [2022-04-06 05:27:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1370 [2022-04-06 05:27:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1379 [2022-04-06 05:27:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2022-04-06 05:27:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1397 [2022-04-06 05:27:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1406 [2022-04-06 05:27:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1415 [2022-04-06 05:27:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1424 [2022-04-06 05:27:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1433 [2022-04-06 05:27:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1442 [2022-04-06 05:27:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1451 [2022-04-06 05:27:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1460 [2022-04-06 05:27:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1469 [2022-04-06 05:27:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1478 [2022-04-06 05:27:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1487 [2022-04-06 05:27:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1496 [2022-04-06 05:27:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1505 [2022-04-06 05:27:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1514 [2022-04-06 05:27:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1523 [2022-04-06 05:27:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2022-04-06 05:27:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1540 [2022-04-06 05:27:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1549 [2022-04-06 05:27:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1558 [2022-04-06 05:27:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1567 [2022-04-06 05:27:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1576 [2022-04-06 05:27:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1585 [2022-04-06 05:27:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1594 [2022-04-06 05:27:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1603 [2022-04-06 05:27:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1612 [2022-04-06 05:27:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1621 [2022-04-06 05:27:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1630 [2022-04-06 05:27:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1639 [2022-04-06 05:27:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1648 [2022-04-06 05:27:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1657 [2022-04-06 05:27:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1666 [2022-04-06 05:27:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1675 [2022-04-06 05:27:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1684 [2022-04-06 05:27:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1693 [2022-04-06 05:27:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1700 [2022-04-06 05:27:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:27:14,001 INFO L134 CoverageAnalysis]: Checked inductivity of 187140 backedges. 21135 proven. 1089 refuted. 0 times theorem prover too weak. 164916 trivial. 0 not checked. [2022-04-06 05:27:14,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 05:27:14,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269844933] [2022-04-06 05:27:14,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269844933] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 05:27:14,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662500480] [2022-04-06 05:27:14,002 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-06 05:27:14,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 05:27:14,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 05:27:14,004 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) [2022-04-06 05:27:14,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-06 05:27:16,639 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-06 05:27:16,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-06 05:27:16,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 3087 conjuncts, 39 conjunts are in the unsatisfiable core [2022-04-06 05:27:16,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 05:27:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 187140 backedges. 101955 proven. 1089 refuted. 0 times theorem prover too weak. 84096 trivial. 0 not checked. [2022-04-06 05:27:18,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 05:27:21,881 INFO L134 CoverageAnalysis]: Checked inductivity of 187140 backedges. 67305 proven. 1089 refuted. 0 times theorem prover too weak. 118746 trivial. 0 not checked. [2022-04-06 05:27:21,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662500480] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 05:27:21,882 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 05:27:21,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 42 [2022-04-06 05:27:21,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387509310] [2022-04-06 05:27:21,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 05:27:21,885 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-04-06 05:27:21,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 05:27:21,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-04-06 05:27:21,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=1242, Unknown=0, NotChecked=0, Total=1722 [2022-04-06 05:27:21,886 INFO L87 Difference]: Start difference. First operand 960 states and 1338 transitions. Second operand has 42 states, 42 states have (on average 4.214285714285714) internal successors, (177), 41 states have internal predecessors, (177), 38 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (43), 38 states have call predecessors, (43), 38 states have call successors, (43) [2022-04-06 05:28:00,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 05:28:00,224 INFO L93 Difference]: Finished difference Result 1960 states and 2738 transitions. [2022-04-06 05:28:00,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-04-06 05:28:00,224 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 4.214285714285714) internal successors, (177), 41 states have internal predecessors, (177), 38 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (43), 38 states have call predecessors, (43), 38 states have call successors, (43) Word has length 1711 [2022-04-06 05:28:00,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 05:28:00,232 INFO L225 Difference]: With dead ends: 1960 [2022-04-06 05:28:00,233 INFO L226 Difference]: Without dead ends: 1960 [2022-04-06 05:28:00,234 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 3863 GetRequests, 3784 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 37.7s TimeCoverageRelationStatistics Valid=1715, Invalid=4605, Unknown=0, NotChecked=0, Total=6320 [2022-04-06 05:28:00,235 INFO L913 BasicCegarLoop]: 74 mSDtfsCounter, 300 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 2723 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 2967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 2723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-04-06 05:28:00,235 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [301 Valid, 171 Invalid, 2967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 2723 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-04-06 05:28:00,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2022-04-06 05:28:00,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1960. [2022-04-06 05:28:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1960 states, 1563 states have (on average 1.2501599488163788) internal successors, (1954), 1563 states have internal predecessors, (1954), 393 states have call successors, (393), 5 states have call predecessors, (393), 3 states have return successors, (391), 391 states have call predecessors, (391), 391 states have call successors, (391) [2022-04-06 05:28:00,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2738 transitions. [2022-04-06 05:28:00,285 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2738 transitions. Word has length 1711 [2022-04-06 05:28:00,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 05:28:00,286 INFO L478 AbstractCegarLoop]: Abstraction has 1960 states and 2738 transitions. [2022-04-06 05:28:00,286 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.214285714285714) internal successors, (177), 41 states have internal predecessors, (177), 38 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (43), 38 states have call predecessors, (43), 38 states have call successors, (43) [2022-04-06 05:28:00,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2738 transitions. [2022-04-06 05:28:00,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3512 [2022-04-06 05:28:00,369 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 05:28:00,370 INFO L499 BasicCegarLoop]: trace histogram [391, 390, 390, 380, 380, 380, 380, 380, 380, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 05:28:00,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-06 05:28:00,583 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-04-06 05:28:00,583 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 05:28:00,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 05:28:00,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1567356367, now seen corresponding path program 5 times [2022-04-06 05:28:00,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 05:28:00,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615838260] [2022-04-06 05:28:00,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 05:28:00,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 05:28:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 05:28:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-06 05:28:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-04-06 05:28:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-06 05:28:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-04-06 05:28:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-04-06 05:28:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-04-06 05:28:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-04-06 05:28:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-04-06 05:28:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-04-06 05:28:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-04-06 05:28:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-04-06 05:28:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-04-06 05:28:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-04-06 05:28:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-04-06 05:28:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-04-06 05:28:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-04-06 05:28:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-04-06 05:28:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-04-06 05:28:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-04-06 05:28:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-04-06 05:28:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-04-06 05:28:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-04-06 05:28:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-04-06 05:28:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-04-06 05:28:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-04-06 05:28:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-04-06 05:28:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-04-06 05:28:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-04-06 05:28:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-04-06 05:28:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-04-06 05:28:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-04-06 05:28:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-04-06 05:28:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-04-06 05:28:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-04-06 05:28:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-04-06 05:28:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-04-06 05:28:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-04-06 05:28:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-04-06 05:28:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-04-06 05:28:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-04-06 05:28:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-04-06 05:28:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-04-06 05:28:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-04-06 05:28:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-04-06 05:28:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-04-06 05:28:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-04-06 05:28:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-04-06 05:28:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-04-06 05:28:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-04-06 05:28:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-04-06 05:28:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-04-06 05:28:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-04-06 05:28:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-04-06 05:28:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-04-06 05:28:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-04-06 05:28:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-04-06 05:28:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-04-06 05:28:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-04-06 05:28:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-04-06 05:28:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-04-06 05:28:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2022-04-06 05:28:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2022-04-06 05:28:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-04-06 05:28:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-04-06 05:28:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-04-06 05:28:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2022-04-06 05:28:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2022-04-06 05:28:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-04-06 05:28:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-04-06 05:28:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2022-04-06 05:28:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2022-04-06 05:28:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2022-04-06 05:28:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2022-04-06 05:28:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-04-06 05:28:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2022-04-06 05:28:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 684 [2022-04-06 05:28:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-04-06 05:28:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2022-04-06 05:28:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-04-06 05:28:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2022-04-06 05:28:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 728 [2022-04-06 05:28:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2022-04-06 05:28:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2022-04-06 05:28:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2022-04-06 05:28:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2022-04-06 05:28:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2022-04-06 05:28:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 782 [2022-04-06 05:28:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2022-04-06 05:28:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-04-06 05:28:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2022-04-06 05:28:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 818 [2022-04-06 05:28:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2022-04-06 05:28:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2022-04-06 05:28:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2022-04-06 05:28:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2022-04-06 05:28:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2022-04-06 05:28:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2022-04-06 05:28:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2022-04-06 05:28:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 890 [2022-04-06 05:28:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2022-04-06 05:28:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 908 [2022-04-06 05:28:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2022-04-06 05:28:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2022-04-06 05:28:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 935 [2022-04-06 05:28:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2022-04-06 05:28:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2022-04-06 05:28:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2022-04-06 05:28:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 971 [2022-04-06 05:28:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2022-04-06 05:28:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:05,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2022-04-06 05:28:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2022-04-06 05:28:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1007 [2022-04-06 05:28:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2022-04-06 05:28:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1025 [2022-04-06 05:28:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2022-04-06 05:28:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1043 [2022-04-06 05:28:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1050 [2022-04-06 05:28:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2022-04-06 05:28:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1069 [2022-04-06 05:28:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2022-04-06 05:28:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2022-04-06 05:28:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2022-04-06 05:28:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2022-04-06 05:28:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-04-06 05:28:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2022-04-06 05:28:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2022-04-06 05:28:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1141 [2022-04-06 05:28:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1150 [2022-04-06 05:28:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1159 [2022-04-06 05:28:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1168 [2022-04-06 05:28:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2022-04-06 05:28:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1186 [2022-04-06 05:28:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2022-04-06 05:28:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1204 [2022-04-06 05:28:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2022-04-06 05:28:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2022-04-06 05:28:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2022-04-06 05:28:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2022-04-06 05:28:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1249 [2022-04-06 05:28:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1258 [2022-04-06 05:28:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2022-04-06 05:28:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2022-04-06 05:28:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1285 [2022-04-06 05:28:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1294 [2022-04-06 05:28:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1303 [2022-04-06 05:28:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1312 [2022-04-06 05:28:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1321 [2022-04-06 05:28:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2022-04-06 05:28:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1339 [2022-04-06 05:28:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1348 [2022-04-06 05:28:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1357 [2022-04-06 05:28:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1366 [2022-04-06 05:28:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2022-04-06 05:28:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1384 [2022-04-06 05:28:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1393 [2022-04-06 05:28:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1400 [2022-04-06 05:28:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2022-04-06 05:28:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1419 [2022-04-06 05:28:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1428 [2022-04-06 05:28:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1437 [2022-04-06 05:28:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1446 [2022-04-06 05:28:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2022-04-06 05:28:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1464 [2022-04-06 05:28:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1473 [2022-04-06 05:28:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1482 [2022-04-06 05:28:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1491 [2022-04-06 05:28:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2022-04-06 05:28:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1509 [2022-04-06 05:28:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1518 [2022-04-06 05:28:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1527 [2022-04-06 05:28:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1536 [2022-04-06 05:28:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2022-04-06 05:28:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1554 [2022-04-06 05:28:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1563 [2022-04-06 05:28:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1572 [2022-04-06 05:28:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1581 [2022-04-06 05:28:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1590 [2022-04-06 05:28:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1599 [2022-04-06 05:28:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1608 [2022-04-06 05:28:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1617 [2022-04-06 05:28:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1626 [2022-04-06 05:28:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1635 [2022-04-06 05:28:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1644 [2022-04-06 05:28:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1653 [2022-04-06 05:28:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2022-04-06 05:28:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1671 [2022-04-06 05:28:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1680 [2022-04-06 05:28:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1689 [2022-04-06 05:28:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1698 [2022-04-06 05:28:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1707 [2022-04-06 05:28:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1716 [2022-04-06 05:28:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1725 [2022-04-06 05:28:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1734 [2022-04-06 05:28:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1743 [2022-04-06 05:28:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1750 [2022-04-06 05:28:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1760 [2022-04-06 05:28:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1769 [2022-04-06 05:28:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1778 [2022-04-06 05:28:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1787 [2022-04-06 05:28:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1796 [2022-04-06 05:28:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1805 [2022-04-06 05:28:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1814 [2022-04-06 05:28:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1823 [2022-04-06 05:28:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1832 [2022-04-06 05:28:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1841 [2022-04-06 05:28:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1850 [2022-04-06 05:28:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1859 [2022-04-06 05:28:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1868 [2022-04-06 05:28:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1877 [2022-04-06 05:28:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1886 [2022-04-06 05:28:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1895 [2022-04-06 05:28:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1904 [2022-04-06 05:28:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1913 [2022-04-06 05:28:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1922 [2022-04-06 05:28:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931 [2022-04-06 05:28:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1940 [2022-04-06 05:28:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949 [2022-04-06 05:28:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1958 [2022-04-06 05:28:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967 [2022-04-06 05:28:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1976 [2022-04-06 05:28:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985 [2022-04-06 05:28:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1994 [2022-04-06 05:28:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003 [2022-04-06 05:28:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2012 [2022-04-06 05:28:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2021 [2022-04-06 05:28:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2030 [2022-04-06 05:28:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2039 [2022-04-06 05:28:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2048 [2022-04-06 05:28:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2057 [2022-04-06 05:28:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2066 [2022-04-06 05:28:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2075 [2022-04-06 05:28:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2084 [2022-04-06 05:28:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2093 [2022-04-06 05:28:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2100 [2022-04-06 05:28:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2110 [2022-04-06 05:28:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2119 [2022-04-06 05:28:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2128 [2022-04-06 05:28:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2137 [2022-04-06 05:28:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2146 [2022-04-06 05:28:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2155 [2022-04-06 05:28:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2164 [2022-04-06 05:28:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2173 [2022-04-06 05:28:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2182 [2022-04-06 05:28:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2191 [2022-04-06 05:28:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2200 [2022-04-06 05:28:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2209 [2022-04-06 05:28:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2218 [2022-04-06 05:28:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2227 [2022-04-06 05:28:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2236 [2022-04-06 05:28:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2245 [2022-04-06 05:28:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2254 [2022-04-06 05:28:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2263 [2022-04-06 05:28:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2272 [2022-04-06 05:28:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2281 [2022-04-06 05:28:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2290 [2022-04-06 05:28:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2299 [2022-04-06 05:28:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2308 [2022-04-06 05:28:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2317 [2022-04-06 05:28:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2326 [2022-04-06 05:28:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2335 [2022-04-06 05:28:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2344 [2022-04-06 05:28:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2353 [2022-04-06 05:28:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2362 [2022-04-06 05:28:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2371 [2022-04-06 05:28:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2380 [2022-04-06 05:28:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2389 [2022-04-06 05:28:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2398 [2022-04-06 05:28:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2407 [2022-04-06 05:28:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2416 [2022-04-06 05:28:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2425 [2022-04-06 05:28:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2434 [2022-04-06 05:28:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2443 [2022-04-06 05:28:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2450 [2022-04-06 05:28:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2460 [2022-04-06 05:28:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2469 [2022-04-06 05:28:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2478 [2022-04-06 05:28:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2487 [2022-04-06 05:28:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2496 [2022-04-06 05:28:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2505 [2022-04-06 05:28:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2514 [2022-04-06 05:28:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2523 [2022-04-06 05:28:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2532 [2022-04-06 05:28:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2541 [2022-04-06 05:28:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2550 [2022-04-06 05:28:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2559 [2022-04-06 05:28:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2568 [2022-04-06 05:28:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2577 [2022-04-06 05:28:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2586 [2022-04-06 05:28:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2595 [2022-04-06 05:28:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2604 [2022-04-06 05:28:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2613 [2022-04-06 05:28:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2622 [2022-04-06 05:28:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2631 [2022-04-06 05:28:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2640 [2022-04-06 05:28:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2649 [2022-04-06 05:28:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2658 [2022-04-06 05:28:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2667 [2022-04-06 05:28:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2676 [2022-04-06 05:28:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2685 [2022-04-06 05:28:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2694 [2022-04-06 05:28:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2703 [2022-04-06 05:28:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2712 [2022-04-06 05:28:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2721 [2022-04-06 05:28:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2730 [2022-04-06 05:28:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2739 [2022-04-06 05:28:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2748 [2022-04-06 05:28:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2757 [2022-04-06 05:28:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2766 [2022-04-06 05:28:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2775 [2022-04-06 05:28:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2784 [2022-04-06 05:28:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2793 [2022-04-06 05:28:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2800 [2022-04-06 05:28:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2810 [2022-04-06 05:28:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2819 [2022-04-06 05:28:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2828 [2022-04-06 05:28:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2837 [2022-04-06 05:28:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2846 [2022-04-06 05:28:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2855 [2022-04-06 05:28:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2864 [2022-04-06 05:28:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2873 [2022-04-06 05:28:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2882 [2022-04-06 05:28:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2891 [2022-04-06 05:28:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2900 [2022-04-06 05:28:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2909 [2022-04-06 05:28:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2918 [2022-04-06 05:28:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2927 [2022-04-06 05:28:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2936 [2022-04-06 05:28:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2945 [2022-04-06 05:28:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2954 [2022-04-06 05:28:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2963 [2022-04-06 05:28:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2972 [2022-04-06 05:28:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2981 [2022-04-06 05:28:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2990 [2022-04-06 05:28:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2999 [2022-04-06 05:28:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3008 [2022-04-06 05:28:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3017 [2022-04-06 05:28:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3026 [2022-04-06 05:28:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3035 [2022-04-06 05:28:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3044 [2022-04-06 05:28:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3053 [2022-04-06 05:28:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3062 [2022-04-06 05:28:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3071 [2022-04-06 05:28:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3080 [2022-04-06 05:28:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3089 [2022-04-06 05:28:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3098 [2022-04-06 05:28:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3107 [2022-04-06 05:28:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3116 [2022-04-06 05:28:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3125 [2022-04-06 05:28:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3134 [2022-04-06 05:28:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3143 [2022-04-06 05:28:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3150 [2022-04-06 05:28:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3160 [2022-04-06 05:28:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3169 [2022-04-06 05:28:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3178 [2022-04-06 05:28:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3187 [2022-04-06 05:28:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3196 [2022-04-06 05:28:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3205 [2022-04-06 05:28:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3214 [2022-04-06 05:28:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3223 [2022-04-06 05:28:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3232 [2022-04-06 05:28:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3241 [2022-04-06 05:28:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3250 [2022-04-06 05:28:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3259 [2022-04-06 05:28:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3268 [2022-04-06 05:28:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3277 [2022-04-06 05:28:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3286 [2022-04-06 05:28:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3295 [2022-04-06 05:28:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3304 [2022-04-06 05:28:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3313 [2022-04-06 05:28:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3322 [2022-04-06 05:28:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3331 [2022-04-06 05:28:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3340 [2022-04-06 05:28:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2022-04-06 05:28:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3358 [2022-04-06 05:28:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3367 [2022-04-06 05:28:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3376 [2022-04-06 05:28:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3385 [2022-04-06 05:28:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3394 [2022-04-06 05:28:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3403 [2022-04-06 05:28:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3412 [2022-04-06 05:28:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3421 [2022-04-06 05:28:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3430 [2022-04-06 05:28:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3439 [2022-04-06 05:28:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3448 [2022-04-06 05:28:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3457 [2022-04-06 05:28:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3466 [2022-04-06 05:28:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3475 [2022-04-06 05:28:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3484 [2022-04-06 05:28:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3493 [2022-04-06 05:28:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3500 [2022-04-06 05:28:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 05:28:06,522 INFO L134 CoverageAnalysis]: Checked inductivity of 812640 backedges. 92455 proven. 4959 refuted. 0 times theorem prover too weak. 715226 trivial. 0 not checked. [2022-04-06 05:28:06,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 05:28:06,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615838260] [2022-04-06 05:28:06,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615838260] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 05:28:06,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861641735] [2022-04-06 05:28:06,523 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-04-06 05:28:06,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 05:28:06,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 05:28:06,524 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) [2022-04-06 05:28:06,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process