./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/btor2c-lazyMod.vis_arrays_bpbs_p3.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26998269 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/btor2c-lazyMod.vis_arrays_bpbs_p3.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m [2024-08-14 14:28:11,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:28:11,686 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-08-14 14:28:11,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:28:11,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:28:11,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:28:11,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:28:11,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:28:11,721 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:28:11,722 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:28:11,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:28:11,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:28:11,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:28:11,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:28:11,726 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:28:11,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:28:11,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:28:11,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:28:11,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:28:11,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:28:11,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:28:11,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:28:11,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:28:11,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:28:11,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:28:11,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:28:11,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:28:11,732 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:28:11,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:28:11,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:28:11,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:28:11,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:28:11,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:28:11,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:28:11,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:28:11,734 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:28:11,735 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:28:11,735 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:28:11,735 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:28:11,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:28:11,736 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:28:11,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:28:12,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:28:12,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:28:12,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:28:12,021 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:28:12,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c [2024-08-14 14:28:13,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:28:13,809 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:28:13,810 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c [2024-08-14 14:28:13,835 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b40dc7d32/d7345e8b9e2c414f8528de56c4af1e7f/FLAGf076f3bba [2024-08-14 14:28:14,046 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b40dc7d32/d7345e8b9e2c414f8528de56c4af1e7f [2024-08-14 14:28:14,049 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:28:14,049 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:28:14,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/btor2c-lazyMod.vis_arrays_bpbs_p3.yml/witness.yml [2024-08-14 14:28:14,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:28:14,103 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:28:14,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:28:14,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:28:14,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:28:14,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:28:14" (1/2) ... [2024-08-14 14:28:14,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da97e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:28:14, skipping insertion in model container [2024-08-14 14:28:14,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:28:14" (1/2) ... [2024-08-14 14:28:14,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e860f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:28:14, skipping insertion in model container [2024-08-14 14:28:14,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:28:14" (2/2) ... [2024-08-14 14:28:14,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da97e9e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:28:14, skipping insertion in model container [2024-08-14 14:28:14,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:28:14" (2/2) ... [2024-08-14 14:28:14,176 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:28:14,391 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c[1258,1271] [2024-08-14 14:28:14,889 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:28:14,898 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:28:14,908 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c[1258,1271] [2024-08-14 14:28:15,067 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:28:15,084 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:28:15,087 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:28:15 WrapperNode [2024-08-14 14:28:15,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:28:15,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:28:15,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:28:15,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:28:15,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:28:15" (1/1) ... [2024-08-14 14:28:15,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:28:15" (1/1) ... [2024-08-14 14:28:15,165 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:28:15" (1/1) ... [2024-08-14 14:28:15,259 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-14 14:28:15,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:28:15" (1/1) ... [2024-08-14 14:28:15,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:28:15" (1/1) ... [2024-08-14 14:28:15,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:28:15" (1/1) ... [2024-08-14 14:28:15,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:28:15" (1/1) ... [2024-08-14 14:28:15,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:28:15" (1/1) ... [2024-08-14 14:28:15,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:28:15,394 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:28:15,394 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:28:15,394 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:28:15,395 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:28:15" (1/1) ... [2024-08-14 14:28:15,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:28:15,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:28:15,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-14 14:28:15,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-14 14:28:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:28:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:28:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:28:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:28:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:28:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:28:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2024-08-14 14:28:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2024-08-14 14:28:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:28:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:28:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:28:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:28:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:28:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:28:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:28:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:28:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:28:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:28:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:28:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:28:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:28:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:28:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:28:15,896 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:28:15,898 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:28:24,549 INFO L? ?]: Removed 2793 outVars from TransFormulas that were not future-live. [2024-08-14 14:28:24,549 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:28:24,570 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:28:24,570 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:28:24,571 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:28:24 BoogieIcfgContainer [2024-08-14 14:28:24,571 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:28:24,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:28:24,579 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:28:24,582 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:28:24,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:28:14" (1/4) ... [2024-08-14 14:28:24,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2331fd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:28:24, skipping insertion in model container [2024-08-14 14:28:24,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:28:14" (2/4) ... [2024-08-14 14:28:24,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2331fd01 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:28:24, skipping insertion in model container [2024-08-14 14:28:24,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:28:15" (3/4) ... [2024-08-14 14:28:24,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2331fd01 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:28:24, skipping insertion in model container [2024-08-14 14:28:24,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:28:24" (4/4) ... [2024-08-14 14:28:24,588 INFO L119 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_bpbs_p3.c [2024-08-14 14:28:24,589 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:28:24,609 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:28:24,610 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:28:24,661 INFO L92 WitnessUtils]: Constructing product of automaton with 834 states and violation witness of the following lengths: [3] [2024-08-14 14:28:24,673 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 834 states, 826 states have (on average 1.6598062953995156) internal successors, (1371), 827 states have internal predecessors, (1371), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:25,627 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 1709 states to 1694 states. [2024-08-14 14:28:25,641 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:28:25,647 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@49e4c88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:28:25,647 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:28:25,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states. [2024-08-14 14:28:25,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-08-14 14:28:25,659 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:25,659 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:25,660 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:25,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:25,666 INFO L85 PathProgramCache]: Analyzing trace with hash 432793928, now seen corresponding path program 1 times [2024-08-14 14:28:25,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:25,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823762015] [2024-08-14 14:28:25,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:25,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:27,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:27,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:27,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823762015] [2024-08-14 14:28:27,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823762015] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:27,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:27,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 14:28:27,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713125154] [2024-08-14 14:28:27,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:27,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 14:28:27,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:27,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 14:28:27,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:28:27,217 INFO L87 Difference]: Start difference. First operand 1694 states. Second operand has 6 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 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) [2024-08-14 14:28:27,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:27,389 INFO L93 Difference]: Finished difference Result 1550 states and 2568 transitions. [2024-08-14 14:28:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 14:28:27,392 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 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 175 [2024-08-14 14:28:27,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:27,401 INFO L225 Difference]: With dead ends: 1550 [2024-08-14 14:28:27,401 INFO L226 Difference]: Without dead ends: 1550 [2024-08-14 14:28:27,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:28:27,409 INFO L413 NwaCegarLoop]: 1366 mSDtfsCounter, 948 mSDsluCounter, 5460 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 6826 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:27,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 6826 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:27,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2024-08-14 14:28:27,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 834. [2024-08-14 14:28:27,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 826 states have (on average 1.6573849878934626) internal successors, (1369), 827 states have internal predecessors, (1369), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:27,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1376 transitions. [2024-08-14 14:28:27,524 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1376 transitions. Word has length 175 [2024-08-14 14:28:27,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:27,525 INFO L495 AbstractCegarLoop]: Abstraction has 834 states and 1376 transitions. [2024-08-14 14:28:27,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 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) [2024-08-14 14:28:27,526 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1376 transitions. [2024-08-14 14:28:27,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-08-14 14:28:27,530 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:27,533 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:27,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:28:27,534 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:27,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:27,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1436845107, now seen corresponding path program 1 times [2024-08-14 14:28:27,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:27,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669913213] [2024-08-14 14:28:27,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:27,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:28,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:28,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:28,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:28,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669913213] [2024-08-14 14:28:28,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669913213] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:28,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:28,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 14:28:28,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111412195] [2024-08-14 14:28:28,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:28,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 14:28:28,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:28,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 14:28:28,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 14:28:28,168 INFO L87 Difference]: Start difference. First operand 834 states and 1376 transitions. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 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) [2024-08-14 14:28:28,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:28,203 INFO L93 Difference]: Finished difference Result 836 states and 1378 transitions. [2024-08-14 14:28:28,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 14:28:28,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 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 176 [2024-08-14 14:28:28,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:28,208 INFO L225 Difference]: With dead ends: 836 [2024-08-14 14:28:28,208 INFO L226 Difference]: Without dead ends: 836 [2024-08-14 14:28:28,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 14:28:28,210 INFO L413 NwaCegarLoop]: 1368 mSDtfsCounter, 0 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4097 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:28,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4097 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:28,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-08-14 14:28:28,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 836. [2024-08-14 14:28:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 828 states have (on average 1.6557971014492754) internal successors, (1371), 829 states have internal predecessors, (1371), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:28,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1378 transitions. [2024-08-14 14:28:28,230 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1378 transitions. Word has length 176 [2024-08-14 14:28:28,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:28,231 INFO L495 AbstractCegarLoop]: Abstraction has 836 states and 1378 transitions. [2024-08-14 14:28:28,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 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) [2024-08-14 14:28:28,231 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1378 transitions. [2024-08-14 14:28:28,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-08-14 14:28:28,236 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:28,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:28,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-14 14:28:28,237 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:28,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:28,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1679711461, now seen corresponding path program 1 times [2024-08-14 14:28:28,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:28,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356895023] [2024-08-14 14:28:28,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:28,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:29,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:29,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:29,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356895023] [2024-08-14 14:28:29,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356895023] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:29,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:29,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-14 14:28:29,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625351894] [2024-08-14 14:28:29,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:29,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-14 14:28:29,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:29,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-14 14:28:29,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:28:29,609 INFO L87 Difference]: Start difference. First operand 836 states and 1378 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 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) [2024-08-14 14:28:29,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:29,826 INFO L93 Difference]: Finished difference Result 843 states and 1387 transitions. [2024-08-14 14:28:29,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 14:28:29,827 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 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 177 [2024-08-14 14:28:29,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:29,831 INFO L225 Difference]: With dead ends: 843 [2024-08-14 14:28:29,832 INFO L226 Difference]: Without dead ends: 843 [2024-08-14 14:28:29,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:28:29,834 INFO L413 NwaCegarLoop]: 1343 mSDtfsCounter, 1290 mSDsluCounter, 4008 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1291 SdHoareTripleChecker+Valid, 5351 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:29,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1291 Valid, 5351 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-08-14 14:28:29,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-08-14 14:28:29,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 841. [2024-08-14 14:28:29,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 833 states have (on average 1.653061224489796) internal successors, (1377), 834 states have internal predecessors, (1377), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:29,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1384 transitions. [2024-08-14 14:28:29,855 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1384 transitions. Word has length 177 [2024-08-14 14:28:29,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:29,855 INFO L495 AbstractCegarLoop]: Abstraction has 841 states and 1384 transitions. [2024-08-14 14:28:29,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 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) [2024-08-14 14:28:29,857 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1384 transitions. [2024-08-14 14:28:29,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-08-14 14:28:29,859 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:29,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:29,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-14 14:28:29,860 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:29,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:29,861 INFO L85 PathProgramCache]: Analyzing trace with hash -19225816, now seen corresponding path program 1 times [2024-08-14 14:28:29,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:29,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016756880] [2024-08-14 14:28:29,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:29,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:30,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:30,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:30,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:30,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016756880] [2024-08-14 14:28:30,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016756880] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:30,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:30,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 14:28:30,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760996887] [2024-08-14 14:28:30,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:30,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 14:28:30,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:30,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 14:28:30,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:30,782 INFO L87 Difference]: Start difference. First operand 841 states and 1384 transitions. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 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) [2024-08-14 14:28:30,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:30,841 INFO L93 Difference]: Finished difference Result 845 states and 1390 transitions. [2024-08-14 14:28:30,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 14:28:30,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 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 178 [2024-08-14 14:28:30,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:30,845 INFO L225 Difference]: With dead ends: 845 [2024-08-14 14:28:30,846 INFO L226 Difference]: Without dead ends: 845 [2024-08-14 14:28:30,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:30,847 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 3 mSDsluCounter, 4089 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5454 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:30,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5454 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:30,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-08-14 14:28:30,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 844. [2024-08-14 14:28:30,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 836 states have (on average 1.6519138755980862) internal successors, (1381), 837 states have internal predecessors, (1381), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:30,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1388 transitions. [2024-08-14 14:28:30,864 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1388 transitions. Word has length 178 [2024-08-14 14:28:30,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:30,865 INFO L495 AbstractCegarLoop]: Abstraction has 844 states and 1388 transitions. [2024-08-14 14:28:30,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 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) [2024-08-14 14:28:30,865 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1388 transitions. [2024-08-14 14:28:30,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-08-14 14:28:30,867 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:30,867 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:30,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-14 14:28:30,867 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:30,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:30,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1051606715, now seen corresponding path program 1 times [2024-08-14 14:28:30,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:30,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750029773] [2024-08-14 14:28:30,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:30,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:31,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:31,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:31,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:31,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750029773] [2024-08-14 14:28:31,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750029773] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:31,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:31,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 14:28:31,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722799400] [2024-08-14 14:28:31,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:31,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 14:28:31,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:31,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 14:28:31,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:31,633 INFO L87 Difference]: Start difference. First operand 844 states and 1388 transitions. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 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) [2024-08-14 14:28:31,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:31,689 INFO L93 Difference]: Finished difference Result 850 states and 1397 transitions. [2024-08-14 14:28:31,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 14:28:31,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 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 178 [2024-08-14 14:28:31,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:31,693 INFO L225 Difference]: With dead ends: 850 [2024-08-14 14:28:31,694 INFO L226 Difference]: Without dead ends: 850 [2024-08-14 14:28:31,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:31,696 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 4 mSDsluCounter, 4089 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5454 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:31,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5454 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:31,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-08-14 14:28:31,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 849. [2024-08-14 14:28:31,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 849 states, 841 states have (on average 1.6504161712247325) internal successors, (1388), 842 states have internal predecessors, (1388), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:31,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1395 transitions. [2024-08-14 14:28:31,718 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1395 transitions. Word has length 178 [2024-08-14 14:28:31,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:31,718 INFO L495 AbstractCegarLoop]: Abstraction has 849 states and 1395 transitions. [2024-08-14 14:28:31,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 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) [2024-08-14 14:28:31,719 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1395 transitions. [2024-08-14 14:28:31,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-08-14 14:28:31,720 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:31,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:31,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-14 14:28:31,721 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:31,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:31,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1259999286, now seen corresponding path program 1 times [2024-08-14 14:28:31,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:31,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628124788] [2024-08-14 14:28:31,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:31,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:32,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:32,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:32,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:32,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628124788] [2024-08-14 14:28:32,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628124788] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:32,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:32,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-14 14:28:32,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914274933] [2024-08-14 14:28:32,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:32,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-14 14:28:32,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:32,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-14 14:28:32,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:28:32,590 INFO L87 Difference]: Start difference. First operand 849 states and 1395 transitions. Second operand has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 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) [2024-08-14 14:28:32,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:32,714 INFO L93 Difference]: Finished difference Result 873 states and 1432 transitions. [2024-08-14 14:28:32,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 14:28:32,715 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 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 179 [2024-08-14 14:28:32,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:32,719 INFO L225 Difference]: With dead ends: 873 [2024-08-14 14:28:32,720 INFO L226 Difference]: Without dead ends: 873 [2024-08-14 14:28:32,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:28:32,721 INFO L413 NwaCegarLoop]: 1361 mSDtfsCounter, 15 mSDsluCounter, 6816 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 8177 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:32,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 8177 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-14 14:28:32,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2024-08-14 14:28:32,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 871. [2024-08-14 14:28:32,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 863 states have (on average 1.6477404403244496) internal successors, (1422), 864 states have internal predecessors, (1422), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:32,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1429 transitions. [2024-08-14 14:28:32,745 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1429 transitions. Word has length 179 [2024-08-14 14:28:32,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:32,745 INFO L495 AbstractCegarLoop]: Abstraction has 871 states and 1429 transitions. [2024-08-14 14:28:32,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 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) [2024-08-14 14:28:32,746 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1429 transitions. [2024-08-14 14:28:32,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-08-14 14:28:32,748 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:32,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:32,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-14 14:28:32,749 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:32,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:32,749 INFO L85 PathProgramCache]: Analyzing trace with hash 688748053, now seen corresponding path program 1 times [2024-08-14 14:28:32,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:32,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356112615] [2024-08-14 14:28:32,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:32,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:33,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:33,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:33,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:33,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356112615] [2024-08-14 14:28:33,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356112615] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:33,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:33,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 14:28:33,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605823097] [2024-08-14 14:28:33,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:33,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 14:28:33,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:33,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 14:28:33,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:33,881 INFO L87 Difference]: Start difference. First operand 871 states and 1429 transitions. Second operand has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 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) [2024-08-14 14:28:34,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:34,021 INFO L93 Difference]: Finished difference Result 881 states and 1441 transitions. [2024-08-14 14:28:34,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 14:28:34,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 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 179 [2024-08-14 14:28:34,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:34,025 INFO L225 Difference]: With dead ends: 881 [2024-08-14 14:28:34,025 INFO L226 Difference]: Without dead ends: 881 [2024-08-14 14:28:34,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:28:34,026 INFO L413 NwaCegarLoop]: 1343 mSDtfsCounter, 1270 mSDsluCounter, 2679 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1271 SdHoareTripleChecker+Valid, 4022 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:34,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1271 Valid, 4022 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-14 14:28:34,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2024-08-14 14:28:34,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 881. [2024-08-14 14:28:34,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 873 states have (on average 1.6426116838487972) internal successors, (1434), 874 states have internal predecessors, (1434), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1441 transitions. [2024-08-14 14:28:34,046 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1441 transitions. Word has length 179 [2024-08-14 14:28:34,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:34,047 INFO L495 AbstractCegarLoop]: Abstraction has 881 states and 1441 transitions. [2024-08-14 14:28:34,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 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) [2024-08-14 14:28:34,048 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1441 transitions. [2024-08-14 14:28:34,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-08-14 14:28:34,049 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:34,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:34,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-14 14:28:34,050 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:34,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:34,050 INFO L85 PathProgramCache]: Analyzing trace with hash -771434820, now seen corresponding path program 1 times [2024-08-14 14:28:34,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:34,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890358220] [2024-08-14 14:28:34,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:34,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:34,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:34,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:34,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:34,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890358220] [2024-08-14 14:28:34,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890358220] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:34,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:34,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 14:28:34,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839917562] [2024-08-14 14:28:34,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:34,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 14:28:34,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:34,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 14:28:34,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:34,494 INFO L87 Difference]: Start difference. First operand 881 states and 1441 transitions. Second operand has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 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) [2024-08-14 14:28:34,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:34,543 INFO L93 Difference]: Finished difference Result 885 states and 1445 transitions. [2024-08-14 14:28:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 14:28:34,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 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 179 [2024-08-14 14:28:34,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:34,547 INFO L225 Difference]: With dead ends: 885 [2024-08-14 14:28:34,547 INFO L226 Difference]: Without dead ends: 885 [2024-08-14 14:28:34,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:34,549 INFO L413 NwaCegarLoop]: 1368 mSDtfsCounter, 0 mSDsluCounter, 4093 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5461 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:34,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5461 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:34,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2024-08-14 14:28:34,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 885. [2024-08-14 14:28:34,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 877 states have (on average 1.6396807297605474) internal successors, (1438), 878 states have internal predecessors, (1438), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:34,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1445 transitions. [2024-08-14 14:28:34,570 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1445 transitions. Word has length 179 [2024-08-14 14:28:34,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:34,572 INFO L495 AbstractCegarLoop]: Abstraction has 885 states and 1445 transitions. [2024-08-14 14:28:34,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 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) [2024-08-14 14:28:34,572 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1445 transitions. [2024-08-14 14:28:34,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-08-14 14:28:34,575 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:34,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:34,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-14 14:28:34,575 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:34,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:34,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1697375760, now seen corresponding path program 1 times [2024-08-14 14:28:34,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:34,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020671641] [2024-08-14 14:28:34,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:34,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:34,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:34,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:34,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:34,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020671641] [2024-08-14 14:28:34,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020671641] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:34,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:34,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 14:28:34,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295396765] [2024-08-14 14:28:34,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:34,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 14:28:34,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:34,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 14:28:34,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:34,966 INFO L87 Difference]: Start difference. First operand 885 states and 1445 transitions. Second operand has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 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) [2024-08-14 14:28:35,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:35,010 INFO L93 Difference]: Finished difference Result 887 states and 1447 transitions. [2024-08-14 14:28:35,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 14:28:35,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 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 179 [2024-08-14 14:28:35,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:35,014 INFO L225 Difference]: With dead ends: 887 [2024-08-14 14:28:35,015 INFO L226 Difference]: Without dead ends: 887 [2024-08-14 14:28:35,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:35,016 INFO L413 NwaCegarLoop]: 1368 mSDtfsCounter, 0 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4097 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:35,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4097 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:35,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2024-08-14 14:28:35,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 887. [2024-08-14 14:28:35,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 879 states have (on average 1.6382252559726962) internal successors, (1440), 880 states have internal predecessors, (1440), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:35,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1447 transitions. [2024-08-14 14:28:35,037 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1447 transitions. Word has length 179 [2024-08-14 14:28:35,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:35,037 INFO L495 AbstractCegarLoop]: Abstraction has 887 states and 1447 transitions. [2024-08-14 14:28:35,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 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) [2024-08-14 14:28:35,038 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1447 transitions. [2024-08-14 14:28:35,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-08-14 14:28:35,039 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:35,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:35,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-08-14 14:28:35,040 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:35,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:35,041 INFO L85 PathProgramCache]: Analyzing trace with hash -301442438, now seen corresponding path program 1 times [2024-08-14 14:28:35,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:35,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222912857] [2024-08-14 14:28:35,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:35,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:36,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:36,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:36,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:36,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222912857] [2024-08-14 14:28:36,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222912857] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:36,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:36,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-14 14:28:36,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155797717] [2024-08-14 14:28:36,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:36,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-14 14:28:36,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:36,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-14 14:28:36,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:28:36,367 INFO L87 Difference]: Start difference. First operand 887 states and 1447 transitions. Second operand has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 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) [2024-08-14 14:28:36,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:36,555 INFO L93 Difference]: Finished difference Result 894 states and 1456 transitions. [2024-08-14 14:28:36,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 14:28:36,556 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 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 180 [2024-08-14 14:28:36,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:36,560 INFO L225 Difference]: With dead ends: 894 [2024-08-14 14:28:36,560 INFO L226 Difference]: Without dead ends: 894 [2024-08-14 14:28:36,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:28:36,561 INFO L413 NwaCegarLoop]: 1343 mSDtfsCounter, 1262 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1263 SdHoareTripleChecker+Valid, 5362 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:36,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1263 Valid, 5362 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-14 14:28:36,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2024-08-14 14:28:36,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 892. [2024-08-14 14:28:36,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 892 states, 884 states have (on average 1.6357466063348416) internal successors, (1446), 885 states have internal predecessors, (1446), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:36,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1453 transitions. [2024-08-14 14:28:36,579 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1453 transitions. Word has length 180 [2024-08-14 14:28:36,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:36,580 INFO L495 AbstractCegarLoop]: Abstraction has 892 states and 1453 transitions. [2024-08-14 14:28:36,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 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) [2024-08-14 14:28:36,580 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1453 transitions. [2024-08-14 14:28:36,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-08-14 14:28:36,582 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:36,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:36,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-08-14 14:28:36,583 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:36,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:36,584 INFO L85 PathProgramCache]: Analyzing trace with hash 987174927, now seen corresponding path program 1 times [2024-08-14 14:28:36,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:36,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860288306] [2024-08-14 14:28:36,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:36,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:37,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:37,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:37,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:37,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860288306] [2024-08-14 14:28:37,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860288306] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:37,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:37,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 14:28:37,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504959282] [2024-08-14 14:28:37,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:37,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 14:28:37,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:37,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 14:28:37,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:37,384 INFO L87 Difference]: Start difference. First operand 892 states and 1453 transitions. Second operand has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 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) [2024-08-14 14:28:37,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:37,438 INFO L93 Difference]: Finished difference Result 898 states and 1462 transitions. [2024-08-14 14:28:37,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 14:28:37,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 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 181 [2024-08-14 14:28:37,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:37,442 INFO L225 Difference]: With dead ends: 898 [2024-08-14 14:28:37,442 INFO L226 Difference]: Without dead ends: 898 [2024-08-14 14:28:37,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:37,443 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 4 mSDsluCounter, 4089 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5454 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:37,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5454 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:37,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-08-14 14:28:37,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 897. [2024-08-14 14:28:37,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 889 states have (on average 1.6344206974128235) internal successors, (1453), 890 states have internal predecessors, (1453), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:37,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1460 transitions. [2024-08-14 14:28:37,463 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1460 transitions. Word has length 181 [2024-08-14 14:28:37,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:37,464 INFO L495 AbstractCegarLoop]: Abstraction has 897 states and 1460 transitions. [2024-08-14 14:28:37,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 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) [2024-08-14 14:28:37,464 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1460 transitions. [2024-08-14 14:28:37,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-08-14 14:28:37,466 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:37,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:37,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-08-14 14:28:37,466 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:37,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:37,467 INFO L85 PathProgramCache]: Analyzing trace with hash -712198898, now seen corresponding path program 1 times [2024-08-14 14:28:37,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:37,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841943850] [2024-08-14 14:28:37,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:37,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:37,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:37,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:37,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:37,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841943850] [2024-08-14 14:28:37,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841943850] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:37,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:37,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 14:28:37,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261258055] [2024-08-14 14:28:37,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:37,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 14:28:37,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:37,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 14:28:37,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:37,862 INFO L87 Difference]: Start difference. First operand 897 states and 1460 transitions. Second operand has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 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) [2024-08-14 14:28:37,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:37,923 INFO L93 Difference]: Finished difference Result 899 states and 1462 transitions. [2024-08-14 14:28:37,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 14:28:37,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 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 182 [2024-08-14 14:28:37,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:37,928 INFO L225 Difference]: With dead ends: 899 [2024-08-14 14:28:37,928 INFO L226 Difference]: Without dead ends: 899 [2024-08-14 14:28:37,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:37,929 INFO L413 NwaCegarLoop]: 1368 mSDtfsCounter, 0 mSDsluCounter, 4093 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5461 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:37,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5461 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:37,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2024-08-14 14:28:37,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 899. [2024-08-14 14:28:37,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 891 states have (on average 1.632996632996633) internal successors, (1455), 892 states have internal predecessors, (1455), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:37,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1462 transitions. [2024-08-14 14:28:37,947 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1462 transitions. Word has length 182 [2024-08-14 14:28:37,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:37,947 INFO L495 AbstractCegarLoop]: Abstraction has 899 states and 1462 transitions. [2024-08-14 14:28:37,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 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) [2024-08-14 14:28:37,948 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1462 transitions. [2024-08-14 14:28:37,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-08-14 14:28:37,950 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:37,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:37,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-08-14 14:28:37,950 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:37,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:37,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1509802872, now seen corresponding path program 1 times [2024-08-14 14:28:37,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:37,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036608194] [2024-08-14 14:28:37,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:37,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:38,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:38,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:38,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:38,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036608194] [2024-08-14 14:28:38,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036608194] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:38,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:38,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 14:28:38,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287310890] [2024-08-14 14:28:38,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:38,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 14:28:38,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:38,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 14:28:38,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:28:38,679 INFO L87 Difference]: Start difference. First operand 899 states and 1462 transitions. Second operand has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 6 states have internal predecessors, (178), 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) [2024-08-14 14:28:39,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:39,566 INFO L93 Difference]: Finished difference Result 1110 states and 1790 transitions. [2024-08-14 14:28:39,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 14:28:39,567 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 6 states have internal predecessors, (178), 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 182 [2024-08-14 14:28:39,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:39,571 INFO L225 Difference]: With dead ends: 1110 [2024-08-14 14:28:39,571 INFO L226 Difference]: Without dead ends: 1110 [2024-08-14 14:28:39,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:28:39,572 INFO L413 NwaCegarLoop]: 1117 mSDtfsCounter, 1711 mSDsluCounter, 3315 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1712 SdHoareTripleChecker+Valid, 4432 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:39,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1712 Valid, 4432 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-08-14 14:28:39,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2024-08-14 14:28:39,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1007. [2024-08-14 14:28:39,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 999 states have (on average 1.6326326326326326) internal successors, (1631), 1000 states have internal predecessors, (1631), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:39,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1638 transitions. [2024-08-14 14:28:39,595 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1638 transitions. Word has length 182 [2024-08-14 14:28:39,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:39,595 INFO L495 AbstractCegarLoop]: Abstraction has 1007 states and 1638 transitions. [2024-08-14 14:28:39,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 6 states have internal predecessors, (178), 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) [2024-08-14 14:28:39,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1638 transitions. [2024-08-14 14:28:39,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-08-14 14:28:39,598 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:39,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:39,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-08-14 14:28:39,598 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:39,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:39,599 INFO L85 PathProgramCache]: Analyzing trace with hash -2038168473, now seen corresponding path program 1 times [2024-08-14 14:28:39,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:39,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659061900] [2024-08-14 14:28:39,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:39,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:40,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:40,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:40,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:40,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659061900] [2024-08-14 14:28:40,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659061900] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:40,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:40,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-14 14:28:40,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533672398] [2024-08-14 14:28:40,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:40,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-14 14:28:40,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:40,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-14 14:28:40,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:28:40,758 INFO L87 Difference]: Start difference. First operand 1007 states and 1638 transitions. Second operand has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 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) [2024-08-14 14:28:40,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:40,990 INFO L93 Difference]: Finished difference Result 1013 states and 1645 transitions. [2024-08-14 14:28:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 14:28:40,991 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 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 182 [2024-08-14 14:28:40,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:40,996 INFO L225 Difference]: With dead ends: 1013 [2024-08-14 14:28:40,996 INFO L226 Difference]: Without dead ends: 1013 [2024-08-14 14:28:40,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:28:40,997 INFO L413 NwaCegarLoop]: 1340 mSDtfsCounter, 1200 mSDsluCounter, 5345 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 6685 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:40,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1201 Valid, 6685 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-08-14 14:28:40,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2024-08-14 14:28:41,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 1013. [2024-08-14 14:28:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 1005 states have (on average 1.6298507462686567) internal successors, (1638), 1006 states have internal predecessors, (1638), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:41,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1645 transitions. [2024-08-14 14:28:41,020 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1645 transitions. Word has length 182 [2024-08-14 14:28:41,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:41,020 INFO L495 AbstractCegarLoop]: Abstraction has 1013 states and 1645 transitions. [2024-08-14 14:28:41,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 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) [2024-08-14 14:28:41,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1645 transitions. [2024-08-14 14:28:41,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-08-14 14:28:41,023 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:41,023 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:41,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-08-14 14:28:41,024 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:41,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:41,024 INFO L85 PathProgramCache]: Analyzing trace with hash 449344360, now seen corresponding path program 1 times [2024-08-14 14:28:41,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:41,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104900283] [2024-08-14 14:28:41,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:41,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:41,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:41,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:41,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104900283] [2024-08-14 14:28:41,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104900283] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:41,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:41,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 14:28:41,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406479412] [2024-08-14 14:28:41,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:41,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 14:28:41,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:41,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 14:28:41,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:41,762 INFO L87 Difference]: Start difference. First operand 1013 states and 1645 transitions. Second operand has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 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) [2024-08-14 14:28:41,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:41,831 INFO L93 Difference]: Finished difference Result 1112 states and 1791 transitions. [2024-08-14 14:28:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 14:28:41,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 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 182 [2024-08-14 14:28:41,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:41,836 INFO L225 Difference]: With dead ends: 1112 [2024-08-14 14:28:41,836 INFO L226 Difference]: Without dead ends: 1112 [2024-08-14 14:28:41,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:28:41,838 INFO L413 NwaCegarLoop]: 1364 mSDtfsCounter, 181 mSDsluCounter, 4082 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 5446 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:41,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 5446 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:41,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2024-08-14 14:28:41,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1011. [2024-08-14 14:28:41,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 1003 states have (on average 1.6291126620139582) internal successors, (1634), 1004 states have internal predecessors, (1634), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:41,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1641 transitions. [2024-08-14 14:28:41,857 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1641 transitions. Word has length 182 [2024-08-14 14:28:41,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:41,858 INFO L495 AbstractCegarLoop]: Abstraction has 1011 states and 1641 transitions. [2024-08-14 14:28:41,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 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) [2024-08-14 14:28:41,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1641 transitions. [2024-08-14 14:28:41,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-08-14 14:28:41,861 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:41,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:41,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-08-14 14:28:41,861 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:41,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:41,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1073616782, now seen corresponding path program 1 times [2024-08-14 14:28:41,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:41,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300294695] [2024-08-14 14:28:41,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:41,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:42,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:42,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:42,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300294695] [2024-08-14 14:28:42,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300294695] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:42,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:42,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 14:28:42,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889162700] [2024-08-14 14:28:42,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:42,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 14:28:42,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:42,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 14:28:42,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 14:28:42,213 INFO L87 Difference]: Start difference. First operand 1011 states and 1641 transitions. Second operand has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 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) [2024-08-14 14:28:42,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:42,249 INFO L93 Difference]: Finished difference Result 1015 states and 1645 transitions. [2024-08-14 14:28:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 14:28:42,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 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 182 [2024-08-14 14:28:42,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:42,254 INFO L225 Difference]: With dead ends: 1015 [2024-08-14 14:28:42,254 INFO L226 Difference]: Without dead ends: 1015 [2024-08-14 14:28:42,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 14:28:42,255 INFO L413 NwaCegarLoop]: 1368 mSDtfsCounter, 0 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4097 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:42,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4097 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:42,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2024-08-14 14:28:42,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 1015. [2024-08-14 14:28:42,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1007 states have (on average 1.6266137040714994) internal successors, (1638), 1008 states have internal predecessors, (1638), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:42,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1645 transitions. [2024-08-14 14:28:42,273 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1645 transitions. Word has length 182 [2024-08-14 14:28:42,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:42,273 INFO L495 AbstractCegarLoop]: Abstraction has 1015 states and 1645 transitions. [2024-08-14 14:28:42,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 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) [2024-08-14 14:28:42,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1645 transitions. [2024-08-14 14:28:42,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-08-14 14:28:42,275 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:42,276 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:42,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-08-14 14:28:42,276 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:42,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:42,277 INFO L85 PathProgramCache]: Analyzing trace with hash 679481361, now seen corresponding path program 1 times [2024-08-14 14:28:42,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:42,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108331832] [2024-08-14 14:28:42,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:42,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:42,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:42,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:42,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:42,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108331832] [2024-08-14 14:28:42,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108331832] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:42,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:42,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-14 14:28:42,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109479693] [2024-08-14 14:28:42,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:42,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-14 14:28:42,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:42,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-14 14:28:42,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:28:42,939 INFO L87 Difference]: Start difference. First operand 1015 states and 1645 transitions. Second operand has 8 states, 8 states have (on average 22.25) internal successors, (178), 8 states have internal predecessors, (178), 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) [2024-08-14 14:28:43,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:43,039 INFO L93 Difference]: Finished difference Result 1039 states and 1681 transitions. [2024-08-14 14:28:43,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 14:28:43,039 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 8 states have internal predecessors, (178), 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 182 [2024-08-14 14:28:43,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:43,044 INFO L225 Difference]: With dead ends: 1039 [2024-08-14 14:28:43,044 INFO L226 Difference]: Without dead ends: 1039 [2024-08-14 14:28:43,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:28:43,045 INFO L413 NwaCegarLoop]: 1361 mSDtfsCounter, 15 mSDsluCounter, 8154 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 9515 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:43,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 9515 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-14 14:28:43,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2024-08-14 14:28:43,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1037. [2024-08-14 14:28:43,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 1029 states have (on average 1.6239067055393586) internal successors, (1671), 1030 states have internal predecessors, (1671), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:43,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1678 transitions. [2024-08-14 14:28:43,063 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1678 transitions. Word has length 182 [2024-08-14 14:28:43,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:43,063 INFO L495 AbstractCegarLoop]: Abstraction has 1037 states and 1678 transitions. [2024-08-14 14:28:43,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 8 states have internal predecessors, (178), 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) [2024-08-14 14:28:43,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1678 transitions. [2024-08-14 14:28:43,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-08-14 14:28:43,065 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:43,066 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:43,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-08-14 14:28:43,066 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:43,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:43,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1119459762, now seen corresponding path program 1 times [2024-08-14 14:28:43,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:43,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067787601] [2024-08-14 14:28:43,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:43,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:43,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:43,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:43,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:43,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067787601] [2024-08-14 14:28:43,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067787601] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:43,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:43,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 14:28:43,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977560372] [2024-08-14 14:28:43,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:43,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 14:28:43,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:43,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 14:28:43,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:43,822 INFO L87 Difference]: Start difference. First operand 1037 states and 1678 transitions. Second operand has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 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) [2024-08-14 14:28:43,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:43,871 INFO L93 Difference]: Finished difference Result 1045 states and 1690 transitions. [2024-08-14 14:28:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 14:28:43,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 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 182 [2024-08-14 14:28:43,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:43,876 INFO L225 Difference]: With dead ends: 1045 [2024-08-14 14:28:43,876 INFO L226 Difference]: Without dead ends: 1045 [2024-08-14 14:28:43,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:43,877 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 3 mSDsluCounter, 4089 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5454 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:43,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5454 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:43,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2024-08-14 14:28:43,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1043. [2024-08-14 14:28:43,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 1035 states have (on average 1.6222222222222222) internal successors, (1679), 1036 states have internal predecessors, (1679), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:43,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1686 transitions. [2024-08-14 14:28:43,896 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1686 transitions. Word has length 182 [2024-08-14 14:28:43,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:43,897 INFO L495 AbstractCegarLoop]: Abstraction has 1043 states and 1686 transitions. [2024-08-14 14:28:43,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 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) [2024-08-14 14:28:43,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1686 transitions. [2024-08-14 14:28:43,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-08-14 14:28:43,899 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:43,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:43,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-08-14 14:28:43,900 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:43,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:43,900 INFO L85 PathProgramCache]: Analyzing trace with hash 969941323, now seen corresponding path program 1 times [2024-08-14 14:28:43,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:43,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902414418] [2024-08-14 14:28:43,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:43,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:44,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:44,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:44,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:44,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902414418] [2024-08-14 14:28:44,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902414418] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:44,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:44,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 14:28:44,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862905092] [2024-08-14 14:28:44,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:44,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 14:28:44,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:44,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 14:28:44,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 14:28:44,239 INFO L87 Difference]: Start difference. First operand 1043 states and 1686 transitions. Second operand has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 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) [2024-08-14 14:28:44,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:44,271 INFO L93 Difference]: Finished difference Result 1047 states and 1690 transitions. [2024-08-14 14:28:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 14:28:44,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 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 182 [2024-08-14 14:28:44,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:44,276 INFO L225 Difference]: With dead ends: 1047 [2024-08-14 14:28:44,276 INFO L226 Difference]: Without dead ends: 1047 [2024-08-14 14:28:44,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 14:28:44,277 INFO L413 NwaCegarLoop]: 1368 mSDtfsCounter, 0 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4097 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:44,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4097 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:44,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2024-08-14 14:28:44,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1047. [2024-08-14 14:28:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 1039 states have (on average 1.6198267564966313) internal successors, (1683), 1040 states have internal predecessors, (1683), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:44,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1690 transitions. [2024-08-14 14:28:44,294 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1690 transitions. Word has length 182 [2024-08-14 14:28:44,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:44,294 INFO L495 AbstractCegarLoop]: Abstraction has 1047 states and 1690 transitions. [2024-08-14 14:28:44,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 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) [2024-08-14 14:28:44,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1690 transitions. [2024-08-14 14:28:44,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-08-14 14:28:44,297 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:44,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:44,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-08-14 14:28:44,297 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:44,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:44,298 INFO L85 PathProgramCache]: Analyzing trace with hash 108230128, now seen corresponding path program 1 times [2024-08-14 14:28:44,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:44,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144191089] [2024-08-14 14:28:44,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:44,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:45,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:45,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:45,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:45,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144191089] [2024-08-14 14:28:45,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144191089] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:45,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:45,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-08-14 14:28:45,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325137941] [2024-08-14 14:28:45,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:45,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-14 14:28:45,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:45,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-14 14:28:45,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-08-14 14:28:45,458 INFO L87 Difference]: Start difference. First operand 1047 states and 1690 transitions. Second operand has 12 states, 12 states have (on average 14.833333333333334) internal successors, (178), 12 states have internal predecessors, (178), 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) [2024-08-14 14:28:45,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:45,629 INFO L93 Difference]: Finished difference Result 1084 states and 1742 transitions. [2024-08-14 14:28:45,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 14:28:45,629 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.833333333333334) internal successors, (178), 12 states have internal predecessors, (178), 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 182 [2024-08-14 14:28:45,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:45,633 INFO L225 Difference]: With dead ends: 1084 [2024-08-14 14:28:45,633 INFO L226 Difference]: Without dead ends: 1084 [2024-08-14 14:28:45,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-08-14 14:28:45,634 INFO L413 NwaCegarLoop]: 1357 mSDtfsCounter, 29 mSDsluCounter, 9542 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 10899 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:45,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 10899 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-14 14:28:45,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2024-08-14 14:28:45,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1072. [2024-08-14 14:28:45,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1064 states have (on average 1.6137218045112782) internal successors, (1717), 1065 states have internal predecessors, (1717), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:45,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1724 transitions. [2024-08-14 14:28:45,661 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1724 transitions. Word has length 182 [2024-08-14 14:28:45,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:45,662 INFO L495 AbstractCegarLoop]: Abstraction has 1072 states and 1724 transitions. [2024-08-14 14:28:45,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.833333333333334) internal successors, (178), 12 states have internal predecessors, (178), 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) [2024-08-14 14:28:45,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1724 transitions. [2024-08-14 14:28:45,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-08-14 14:28:45,664 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:45,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:45,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-08-14 14:28:45,664 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:45,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:45,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1899105456, now seen corresponding path program 1 times [2024-08-14 14:28:45,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:45,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325593394] [2024-08-14 14:28:45,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:45,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:46,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:46,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:46,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325593394] [2024-08-14 14:28:46,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325593394] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:46,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:46,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 14:28:46,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866388916] [2024-08-14 14:28:46,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:46,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 14:28:46,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:46,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 14:28:46,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:28:46,273 INFO L87 Difference]: Start difference. First operand 1072 states and 1724 transitions. Second operand has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 6 states have internal predecessors, (178), 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) [2024-08-14 14:28:47,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:47,029 INFO L93 Difference]: Finished difference Result 1233 states and 1950 transitions. [2024-08-14 14:28:47,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 14:28:47,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 6 states have internal predecessors, (178), 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 182 [2024-08-14 14:28:47,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:47,035 INFO L225 Difference]: With dead ends: 1233 [2024-08-14 14:28:47,035 INFO L226 Difference]: Without dead ends: 1233 [2024-08-14 14:28:47,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:28:47,035 INFO L413 NwaCegarLoop]: 1117 mSDtfsCounter, 1516 mSDsluCounter, 3326 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1517 SdHoareTripleChecker+Valid, 4443 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:47,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1517 Valid, 4443 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-08-14 14:28:47,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2024-08-14 14:28:47,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1131. [2024-08-14 14:28:47,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1123 states have (on average 1.6028495102404274) internal successors, (1800), 1124 states have internal predecessors, (1800), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:47,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1807 transitions. [2024-08-14 14:28:47,054 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1807 transitions. Word has length 182 [2024-08-14 14:28:47,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:47,055 INFO L495 AbstractCegarLoop]: Abstraction has 1131 states and 1807 transitions. [2024-08-14 14:28:47,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 6 states have internal predecessors, (178), 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) [2024-08-14 14:28:47,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1807 transitions. [2024-08-14 14:28:47,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-08-14 14:28:47,057 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:47,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:47,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-08-14 14:28:47,058 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:47,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:47,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1186619601, now seen corresponding path program 1 times [2024-08-14 14:28:47,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:47,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554179461] [2024-08-14 14:28:47,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:47,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:47,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:47,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:47,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:47,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554179461] [2024-08-14 14:28:47,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554179461] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:47,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:47,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 14:28:47,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055287001] [2024-08-14 14:28:47,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:47,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 14:28:47,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:47,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 14:28:47,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:47,750 INFO L87 Difference]: Start difference. First operand 1131 states and 1807 transitions. Second operand has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 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) [2024-08-14 14:28:47,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:47,815 INFO L93 Difference]: Finished difference Result 1215 states and 1922 transitions. [2024-08-14 14:28:47,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 14:28:47,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 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 182 [2024-08-14 14:28:47,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:47,820 INFO L225 Difference]: With dead ends: 1215 [2024-08-14 14:28:47,824 INFO L226 Difference]: Without dead ends: 1215 [2024-08-14 14:28:47,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:28:47,825 INFO L413 NwaCegarLoop]: 1364 mSDtfsCounter, 166 mSDsluCounter, 4082 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 5446 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:47,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 5446 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:47,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2024-08-14 14:28:47,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1126. [2024-08-14 14:28:47,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1126 states, 1118 states have (on average 1.6010733452593917) internal successors, (1790), 1119 states have internal predecessors, (1790), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:47,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1797 transitions. [2024-08-14 14:28:47,843 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1797 transitions. Word has length 182 [2024-08-14 14:28:47,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:47,844 INFO L495 AbstractCegarLoop]: Abstraction has 1126 states and 1797 transitions. [2024-08-14 14:28:47,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 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) [2024-08-14 14:28:47,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1797 transitions. [2024-08-14 14:28:47,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-08-14 14:28:47,845 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:47,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:47,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-08-14 14:28:47,846 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:47,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:47,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1417491256, now seen corresponding path program 1 times [2024-08-14 14:28:47,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:47,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543698060] [2024-08-14 14:28:47,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:47,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:48,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:48,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:48,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543698060] [2024-08-14 14:28:48,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543698060] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:48,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:48,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 14:28:48,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512483703] [2024-08-14 14:28:48,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:48,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 14:28:48,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:48,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 14:28:48,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 14:28:48,146 INFO L87 Difference]: Start difference. First operand 1126 states and 1797 transitions. Second operand has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 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) [2024-08-14 14:28:48,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:48,177 INFO L93 Difference]: Finished difference Result 1130 states and 1801 transitions. [2024-08-14 14:28:48,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 14:28:48,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 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 182 [2024-08-14 14:28:48,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:48,185 INFO L225 Difference]: With dead ends: 1130 [2024-08-14 14:28:48,185 INFO L226 Difference]: Without dead ends: 1130 [2024-08-14 14:28:48,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 14:28:48,186 INFO L413 NwaCegarLoop]: 1368 mSDtfsCounter, 0 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4097 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:48,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4097 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:48,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2024-08-14 14:28:48,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1130. [2024-08-14 14:28:48,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1130 states, 1122 states have (on average 1.5989304812834224) internal successors, (1794), 1123 states have internal predecessors, (1794), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1801 transitions. [2024-08-14 14:28:48,201 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1801 transitions. Word has length 182 [2024-08-14 14:28:48,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:48,202 INFO L495 AbstractCegarLoop]: Abstraction has 1130 states and 1801 transitions. [2024-08-14 14:28:48,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 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) [2024-08-14 14:28:48,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1801 transitions. [2024-08-14 14:28:48,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-08-14 14:28:48,203 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:48,203 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:48,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-08-14 14:28:48,204 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:48,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:48,204 INFO L85 PathProgramCache]: Analyzing trace with hash 425640665, now seen corresponding path program 1 times [2024-08-14 14:28:48,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:48,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279533360] [2024-08-14 14:28:48,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:48,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:48,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:48,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:48,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:48,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279533360] [2024-08-14 14:28:48,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279533360] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:48,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:48,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-14 14:28:48,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625612016] [2024-08-14 14:28:48,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:48,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-14 14:28:48,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:48,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-14 14:28:48,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:28:48,779 INFO L87 Difference]: Start difference. First operand 1130 states and 1801 transitions. Second operand has 8 states, 8 states have (on average 22.375) internal successors, (179), 8 states have internal predecessors, (179), 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) [2024-08-14 14:28:48,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:48,864 INFO L93 Difference]: Finished difference Result 1156 states and 1840 transitions. [2024-08-14 14:28:48,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 14:28:48,865 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 8 states have internal predecessors, (179), 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 183 [2024-08-14 14:28:48,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:48,872 INFO L225 Difference]: With dead ends: 1156 [2024-08-14 14:28:48,872 INFO L226 Difference]: Without dead ends: 1156 [2024-08-14 14:28:48,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:28:48,873 INFO L413 NwaCegarLoop]: 1361 mSDtfsCounter, 15 mSDsluCounter, 6816 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 8177 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:48,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 8177 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-14 14:28:48,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2024-08-14 14:28:48,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1154. [2024-08-14 14:28:48,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1146 states have (on average 1.5968586387434556) internal successors, (1830), 1147 states have internal predecessors, (1830), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:48,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1837 transitions. [2024-08-14 14:28:48,892 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1837 transitions. Word has length 183 [2024-08-14 14:28:48,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:48,893 INFO L495 AbstractCegarLoop]: Abstraction has 1154 states and 1837 transitions. [2024-08-14 14:28:48,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 8 states have internal predecessors, (179), 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) [2024-08-14 14:28:48,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1837 transitions. [2024-08-14 14:28:48,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-08-14 14:28:48,894 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:48,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:48,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-08-14 14:28:48,895 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:48,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:48,895 INFO L85 PathProgramCache]: Analyzing trace with hash 445978040, now seen corresponding path program 1 times [2024-08-14 14:28:48,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:48,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308293970] [2024-08-14 14:28:48,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:48,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:49,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:49,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:49,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:49,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308293970] [2024-08-14 14:28:49,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308293970] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:49,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:49,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 14:28:49,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370181120] [2024-08-14 14:28:49,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:49,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 14:28:49,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:49,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 14:28:49,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:49,742 INFO L87 Difference]: Start difference. First operand 1154 states and 1837 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-08-14 14:28:49,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:49,891 INFO L93 Difference]: Finished difference Result 1164 states and 1849 transitions. [2024-08-14 14:28:49,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 14:28:49,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 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 183 [2024-08-14 14:28:49,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:49,899 INFO L225 Difference]: With dead ends: 1164 [2024-08-14 14:28:49,900 INFO L226 Difference]: Without dead ends: 1164 [2024-08-14 14:28:49,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:28:49,901 INFO L413 NwaCegarLoop]: 1343 mSDtfsCounter, 1242 mSDsluCounter, 2679 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1243 SdHoareTripleChecker+Valid, 4022 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:49,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1243 Valid, 4022 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-14 14:28:49,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2024-08-14 14:28:49,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1164. [2024-08-14 14:28:49,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 1156 states have (on average 1.5934256055363323) internal successors, (1842), 1157 states have internal predecessors, (1842), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1849 transitions. [2024-08-14 14:28:49,924 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1849 transitions. Word has length 183 [2024-08-14 14:28:49,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:49,924 INFO L495 AbstractCegarLoop]: Abstraction has 1164 states and 1849 transitions. [2024-08-14 14:28:49,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 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) [2024-08-14 14:28:49,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1849 transitions. [2024-08-14 14:28:49,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-08-14 14:28:49,927 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:49,927 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:49,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-08-14 14:28:49,928 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:49,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:49,928 INFO L85 PathProgramCache]: Analyzing trace with hash -182436198, now seen corresponding path program 1 times [2024-08-14 14:28:49,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:49,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163290263] [2024-08-14 14:28:49,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:49,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:51,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:51,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:51,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163290263] [2024-08-14 14:28:51,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163290263] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:51,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:51,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-14 14:28:51,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335963284] [2024-08-14 14:28:51,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:51,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-14 14:28:51,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:51,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-14 14:28:51,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:28:51,008 INFO L87 Difference]: Start difference. First operand 1164 states and 1849 transitions. Second operand has 8 states, 8 states have (on average 22.375) internal successors, (179), 8 states have internal predecessors, (179), 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) [2024-08-14 14:28:51,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:51,240 INFO L93 Difference]: Finished difference Result 1725 states and 2708 transitions. [2024-08-14 14:28:51,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 14:28:51,240 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 8 states have internal predecessors, (179), 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 183 [2024-08-14 14:28:51,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:51,243 INFO L225 Difference]: With dead ends: 1725 [2024-08-14 14:28:51,244 INFO L226 Difference]: Without dead ends: 1725 [2024-08-14 14:28:51,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-08-14 14:28:51,245 INFO L413 NwaCegarLoop]: 1343 mSDtfsCounter, 1804 mSDsluCounter, 6699 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1805 SdHoareTripleChecker+Valid, 8042 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:51,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1805 Valid, 8042 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-08-14 14:28:51,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2024-08-14 14:28:51,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1722. [2024-08-14 14:28:51,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1722 states, 1714 states have (on average 1.573512252042007) internal successors, (2697), 1715 states have internal predecessors, (2697), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:51,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2704 transitions. [2024-08-14 14:28:51,269 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2704 transitions. Word has length 183 [2024-08-14 14:28:51,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:51,270 INFO L495 AbstractCegarLoop]: Abstraction has 1722 states and 2704 transitions. [2024-08-14 14:28:51,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 8 states have internal predecessors, (179), 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) [2024-08-14 14:28:51,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2704 transitions. [2024-08-14 14:28:51,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-08-14 14:28:51,275 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:51,275 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:51,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-08-14 14:28:51,275 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:51,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:51,276 INFO L85 PathProgramCache]: Analyzing trace with hash -114285956, now seen corresponding path program 1 times [2024-08-14 14:28:51,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:51,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687399111] [2024-08-14 14:28:51,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:51,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:52,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:52,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:52,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:52,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687399111] [2024-08-14 14:28:52,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687399111] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:52,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:52,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-14 14:28:52,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092029277] [2024-08-14 14:28:52,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:52,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-14 14:28:52,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:52,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-14 14:28:52,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:28:52,027 INFO L87 Difference]: Start difference. First operand 1722 states and 2704 transitions. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 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) [2024-08-14 14:28:52,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:52,217 INFO L93 Difference]: Finished difference Result 1725 states and 2707 transitions. [2024-08-14 14:28:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 14:28:52,218 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 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 184 [2024-08-14 14:28:52,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:52,221 INFO L225 Difference]: With dead ends: 1725 [2024-08-14 14:28:52,222 INFO L226 Difference]: Without dead ends: 1725 [2024-08-14 14:28:52,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:28:52,222 INFO L413 NwaCegarLoop]: 1339 mSDtfsCounter, 1316 mSDsluCounter, 5112 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1317 SdHoareTripleChecker+Valid, 6451 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:52,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1317 Valid, 6451 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-08-14 14:28:52,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2024-08-14 14:28:52,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1722. [2024-08-14 14:28:52,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1722 states, 1714 states have (on average 1.573512252042007) internal successors, (2697), 1715 states have internal predecessors, (2697), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:52,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2704 transitions. [2024-08-14 14:28:52,247 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2704 transitions. Word has length 184 [2024-08-14 14:28:52,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:52,248 INFO L495 AbstractCegarLoop]: Abstraction has 1722 states and 2704 transitions. [2024-08-14 14:28:52,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 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) [2024-08-14 14:28:52,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2704 transitions. [2024-08-14 14:28:52,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-08-14 14:28:52,250 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:52,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:52,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-08-14 14:28:52,251 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:52,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:52,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1921740419, now seen corresponding path program 1 times [2024-08-14 14:28:52,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:52,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117283032] [2024-08-14 14:28:52,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:52,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:53,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:53,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:53,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:53,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117283032] [2024-08-14 14:28:53,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117283032] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:53,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:53,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-08-14 14:28:53,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731405496] [2024-08-14 14:28:53,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:53,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-08-14 14:28:53,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:53,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-08-14 14:28:53,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-08-14 14:28:53,358 INFO L87 Difference]: Start difference. First operand 1722 states and 2704 transitions. Second operand has 15 states, 15 states have (on average 12.0) internal successors, (180), 15 states have internal predecessors, (180), 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) [2024-08-14 14:28:53,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:53,642 INFO L93 Difference]: Finished difference Result 1820 states and 2846 transitions. [2024-08-14 14:28:53,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-14 14:28:53,643 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.0) internal successors, (180), 15 states have internal predecessors, (180), 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 184 [2024-08-14 14:28:53,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:53,646 INFO L225 Difference]: With dead ends: 1820 [2024-08-14 14:28:53,646 INFO L226 Difference]: Without dead ends: 1820 [2024-08-14 14:28:53,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-08-14 14:28:53,646 INFO L413 NwaCegarLoop]: 1350 mSDtfsCounter, 40 mSDsluCounter, 17537 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 18887 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:53,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 18887 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-08-14 14:28:53,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2024-08-14 14:28:53,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1802. [2024-08-14 14:28:53,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1802 states, 1794 states have (on average 1.5668896321070234) internal successors, (2811), 1795 states have internal predecessors, (2811), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:53,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 2818 transitions. [2024-08-14 14:28:53,673 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 2818 transitions. Word has length 184 [2024-08-14 14:28:53,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:53,673 INFO L495 AbstractCegarLoop]: Abstraction has 1802 states and 2818 transitions. [2024-08-14 14:28:53,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.0) internal successors, (180), 15 states have internal predecessors, (180), 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) [2024-08-14 14:28:53,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2818 transitions. [2024-08-14 14:28:53,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-08-14 14:28:53,676 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:53,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:53,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-08-14 14:28:53,676 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:53,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:53,677 INFO L85 PathProgramCache]: Analyzing trace with hash 379068125, now seen corresponding path program 1 times [2024-08-14 14:28:53,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:53,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491710315] [2024-08-14 14:28:53,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:53,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:54,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:54,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:54,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:54,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491710315] [2024-08-14 14:28:54,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491710315] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:54,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:54,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 14:28:54,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750227433] [2024-08-14 14:28:54,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:54,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 14:28:54,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:54,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 14:28:54,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:28:54,271 INFO L87 Difference]: Start difference. First operand 1802 states and 2818 transitions. Second operand has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 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) [2024-08-14 14:28:54,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:54,937 INFO L93 Difference]: Finished difference Result 2066 states and 3178 transitions. [2024-08-14 14:28:54,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 14:28:54,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 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 184 [2024-08-14 14:28:54,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:54,941 INFO L225 Difference]: With dead ends: 2066 [2024-08-14 14:28:54,941 INFO L226 Difference]: Without dead ends: 2066 [2024-08-14 14:28:54,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:28:54,941 INFO L413 NwaCegarLoop]: 1118 mSDtfsCounter, 1646 mSDsluCounter, 3317 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 4435 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:54,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1647 Valid, 4435 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-08-14 14:28:54,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2066 states. [2024-08-14 14:28:54,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2066 to 1954. [2024-08-14 14:28:54,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1954 states, 1946 states have (on average 1.552415210688592) internal successors, (3021), 1947 states have internal predecessors, (3021), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:54,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 3028 transitions. [2024-08-14 14:28:54,974 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 3028 transitions. Word has length 184 [2024-08-14 14:28:54,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:54,975 INFO L495 AbstractCegarLoop]: Abstraction has 1954 states and 3028 transitions. [2024-08-14 14:28:54,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 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) [2024-08-14 14:28:54,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 3028 transitions. [2024-08-14 14:28:54,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-08-14 14:28:54,978 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:54,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:54,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-08-14 14:28:54,979 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:54,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:54,979 INFO L85 PathProgramCache]: Analyzing trace with hash -576453154, now seen corresponding path program 1 times [2024-08-14 14:28:54,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:54,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785327271] [2024-08-14 14:28:54,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:54,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:55,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:55,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:55,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:55,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785327271] [2024-08-14 14:28:55,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785327271] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:55,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:55,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 14:28:55,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000051649] [2024-08-14 14:28:55,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:55,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 14:28:55,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:55,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 14:28:55,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:55,537 INFO L87 Difference]: Start difference. First operand 1954 states and 3028 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 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) [2024-08-14 14:28:55,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:55,609 INFO L93 Difference]: Finished difference Result 2042 states and 3142 transitions. [2024-08-14 14:28:55,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 14:28:55,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 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 184 [2024-08-14 14:28:55,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:55,613 INFO L225 Difference]: With dead ends: 2042 [2024-08-14 14:28:55,613 INFO L226 Difference]: Without dead ends: 2042 [2024-08-14 14:28:55,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:28:55,614 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 149 mSDsluCounter, 4084 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 5449 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:55,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 5449 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:55,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2042 states. [2024-08-14 14:28:55,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2042 to 1944. [2024-08-14 14:28:55,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1944 states, 1936 states have (on average 1.550103305785124) internal successors, (3001), 1937 states have internal predecessors, (3001), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:55,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1944 states and 3008 transitions. [2024-08-14 14:28:55,639 INFO L78 Accepts]: Start accepts. Automaton has 1944 states and 3008 transitions. Word has length 184 [2024-08-14 14:28:55,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:55,639 INFO L495 AbstractCegarLoop]: Abstraction has 1944 states and 3008 transitions. [2024-08-14 14:28:55,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 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) [2024-08-14 14:28:55,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1944 states and 3008 transitions. [2024-08-14 14:28:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-08-14 14:28:55,642 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:55,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:55,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-08-14 14:28:55,643 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:55,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:55,644 INFO L85 PathProgramCache]: Analyzing trace with hash -763709314, now seen corresponding path program 1 times [2024-08-14 14:28:55,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:55,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145130196] [2024-08-14 14:28:55,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:55,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:55,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:55,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:55,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:55,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145130196] [2024-08-14 14:28:55,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145130196] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:55,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:55,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 14:28:55,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879414913] [2024-08-14 14:28:55,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:55,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 14:28:55,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:55,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 14:28:55,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 14:28:55,934 INFO L87 Difference]: Start difference. First operand 1944 states and 3008 transitions. Second operand has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 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) [2024-08-14 14:28:55,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:55,967 INFO L93 Difference]: Finished difference Result 1968 states and 3032 transitions. [2024-08-14 14:28:55,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 14:28:55,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 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 184 [2024-08-14 14:28:55,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:55,970 INFO L225 Difference]: With dead ends: 1968 [2024-08-14 14:28:55,971 INFO L226 Difference]: Without dead ends: 1968 [2024-08-14 14:28:55,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 14:28:55,971 INFO L413 NwaCegarLoop]: 1368 mSDtfsCounter, 0 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4097 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:55,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4097 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:55,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2024-08-14 14:28:55,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1968. [2024-08-14 14:28:55,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1968 states, 1960 states have (on average 1.5433673469387754) internal successors, (3025), 1961 states have internal predecessors, (3025), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:55,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1968 states and 3032 transitions. [2024-08-14 14:28:55,994 INFO L78 Accepts]: Start accepts. Automaton has 1968 states and 3032 transitions. Word has length 184 [2024-08-14 14:28:55,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:55,994 INFO L495 AbstractCegarLoop]: Abstraction has 1968 states and 3032 transitions. [2024-08-14 14:28:55,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 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) [2024-08-14 14:28:55,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 3032 transitions. [2024-08-14 14:28:55,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-08-14 14:28:55,997 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:55,997 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:55,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-08-14 14:28:55,998 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:55,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:55,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1930432456, now seen corresponding path program 1 times [2024-08-14 14:28:55,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:55,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901398364] [2024-08-14 14:28:55,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:55,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:56,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:56,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:56,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901398364] [2024-08-14 14:28:56,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901398364] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:56,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:56,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 14:28:56,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411820637] [2024-08-14 14:28:56,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:56,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 14:28:56,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:56,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 14:28:56,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:28:56,536 INFO L87 Difference]: Start difference. First operand 1968 states and 3032 transitions. Second operand has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 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) [2024-08-14 14:28:56,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:56,670 INFO L93 Difference]: Finished difference Result 3028 states and 4574 transitions. [2024-08-14 14:28:56,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 14:28:56,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 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 184 [2024-08-14 14:28:56,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:56,676 INFO L225 Difference]: With dead ends: 3028 [2024-08-14 14:28:56,676 INFO L226 Difference]: Without dead ends: 3028 [2024-08-14 14:28:56,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:28:56,678 INFO L413 NwaCegarLoop]: 1344 mSDtfsCounter, 1757 mSDsluCounter, 4010 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 5354 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:56,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1758 Valid, 5354 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-14 14:28:56,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3028 states. [2024-08-14 14:28:56,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3028 to 2446. [2024-08-14 14:28:56,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2446 states, 2438 states have (on average 1.5492206726825266) internal successors, (3777), 2439 states have internal predecessors, (3777), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:56,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 2446 states and 3784 transitions. [2024-08-14 14:28:56,710 INFO L78 Accepts]: Start accepts. Automaton has 2446 states and 3784 transitions. Word has length 184 [2024-08-14 14:28:56,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:56,711 INFO L495 AbstractCegarLoop]: Abstraction has 2446 states and 3784 transitions. [2024-08-14 14:28:56,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 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) [2024-08-14 14:28:56,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 3784 transitions. [2024-08-14 14:28:56,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-08-14 14:28:56,715 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:56,715 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:56,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-08-14 14:28:56,715 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:56,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:56,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1254643845, now seen corresponding path program 1 times [2024-08-14 14:28:56,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:56,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327598416] [2024-08-14 14:28:56,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:56,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:57,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:57,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:57,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:57,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327598416] [2024-08-14 14:28:57,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327598416] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:57,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:57,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-14 14:28:57,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327838899] [2024-08-14 14:28:57,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:57,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-14 14:28:57,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:57,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-14 14:28:57,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:28:57,278 INFO L87 Difference]: Start difference. First operand 2446 states and 3784 transitions. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 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) [2024-08-14 14:28:57,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:57,428 INFO L93 Difference]: Finished difference Result 3854 states and 5916 transitions. [2024-08-14 14:28:57,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 14:28:57,429 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 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 184 [2024-08-14 14:28:57,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:57,436 INFO L225 Difference]: With dead ends: 3854 [2024-08-14 14:28:57,436 INFO L226 Difference]: Without dead ends: 3854 [2024-08-14 14:28:57,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:28:57,437 INFO L413 NwaCegarLoop]: 1344 mSDtfsCounter, 1761 mSDsluCounter, 5361 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 6705 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:57,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 6705 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-14 14:28:57,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3854 states. [2024-08-14 14:28:57,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3854 to 3196. [2024-08-14 14:28:57,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3196 states, 3188 states have (on average 1.571831869510665) internal successors, (5011), 3189 states have internal predecessors, (5011), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:57,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 3196 states and 5018 transitions. [2024-08-14 14:28:57,475 INFO L78 Accepts]: Start accepts. Automaton has 3196 states and 5018 transitions. Word has length 184 [2024-08-14 14:28:57,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:57,476 INFO L495 AbstractCegarLoop]: Abstraction has 3196 states and 5018 transitions. [2024-08-14 14:28:57,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 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) [2024-08-14 14:28:57,476 INFO L276 IsEmpty]: Start isEmpty. Operand 3196 states and 5018 transitions. [2024-08-14 14:28:57,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-08-14 14:28:57,481 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:57,481 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:57,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-08-14 14:28:57,481 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:57,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:57,482 INFO L85 PathProgramCache]: Analyzing trace with hash 36658955, now seen corresponding path program 1 times [2024-08-14 14:28:57,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:57,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733688158] [2024-08-14 14:28:57,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:57,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:57,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:57,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:57,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:57,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733688158] [2024-08-14 14:28:57,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733688158] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:57,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:57,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-14 14:28:57,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783271160] [2024-08-14 14:28:57,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:57,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-14 14:28:57,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:57,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-14 14:28:57,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:28:57,954 INFO L87 Difference]: Start difference. First operand 3196 states and 5018 transitions. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 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) [2024-08-14 14:28:58,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:58,456 INFO L93 Difference]: Finished difference Result 4964 states and 7688 transitions. [2024-08-14 14:28:58,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 14:28:58,457 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 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 184 [2024-08-14 14:28:58,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:58,465 INFO L225 Difference]: With dead ends: 4964 [2024-08-14 14:28:58,465 INFO L226 Difference]: Without dead ends: 4964 [2024-08-14 14:28:58,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:28:58,466 INFO L413 NwaCegarLoop]: 1627 mSDtfsCounter, 251 mSDsluCounter, 7298 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 8925 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:58,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 8925 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-08-14 14:28:58,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4964 states. [2024-08-14 14:28:58,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4964 to 4858. [2024-08-14 14:28:58,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4858 states, 4850 states have (on average 1.5527835051546393) internal successors, (7531), 4851 states have internal predecessors, (7531), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:58,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4858 states to 4858 states and 7538 transitions. [2024-08-14 14:28:58,521 INFO L78 Accepts]: Start accepts. Automaton has 4858 states and 7538 transitions. Word has length 184 [2024-08-14 14:28:58,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:58,521 INFO L495 AbstractCegarLoop]: Abstraction has 4858 states and 7538 transitions. [2024-08-14 14:28:58,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 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) [2024-08-14 14:28:58,522 INFO L276 IsEmpty]: Start isEmpty. Operand 4858 states and 7538 transitions. [2024-08-14 14:28:58,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-08-14 14:28:58,530 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:58,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:58,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-08-14 14:28:58,530 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:58,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:58,531 INFO L85 PathProgramCache]: Analyzing trace with hash -667204020, now seen corresponding path program 1 times [2024-08-14 14:28:58,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:58,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838069011] [2024-08-14 14:28:58,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:58,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:59,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:59,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:28:59,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:59,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838069011] [2024-08-14 14:28:59,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838069011] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:59,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:59,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 14:28:59,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110969365] [2024-08-14 14:28:59,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:59,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 14:28:59,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:59,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 14:28:59,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:28:59,245 INFO L87 Difference]: Start difference. First operand 4858 states and 7538 transitions. Second operand has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 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) [2024-08-14 14:28:59,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:59,889 INFO L93 Difference]: Finished difference Result 5710 states and 8714 transitions. [2024-08-14 14:28:59,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 14:28:59,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 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 184 [2024-08-14 14:28:59,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:59,898 INFO L225 Difference]: With dead ends: 5710 [2024-08-14 14:28:59,898 INFO L226 Difference]: Without dead ends: 5710 [2024-08-14 14:28:59,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:28:59,899 INFO L413 NwaCegarLoop]: 1191 mSDtfsCounter, 1345 mSDsluCounter, 3487 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1346 SdHoareTripleChecker+Valid, 4678 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:59,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1346 Valid, 4678 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-08-14 14:28:59,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5710 states. [2024-08-14 14:28:59,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5710 to 5158. [2024-08-14 14:28:59,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5158 states, 5150 states have (on average 1.5392233009708738) internal successors, (7927), 5151 states have internal predecessors, (7927), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:28:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5158 states to 5158 states and 7934 transitions. [2024-08-14 14:28:59,953 INFO L78 Accepts]: Start accepts. Automaton has 5158 states and 7934 transitions. Word has length 184 [2024-08-14 14:28:59,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:59,954 INFO L495 AbstractCegarLoop]: Abstraction has 5158 states and 7934 transitions. [2024-08-14 14:28:59,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 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) [2024-08-14 14:28:59,954 INFO L276 IsEmpty]: Start isEmpty. Operand 5158 states and 7934 transitions. [2024-08-14 14:28:59,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-08-14 14:28:59,961 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:59,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:59,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-08-14 14:28:59,962 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:59,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:59,962 INFO L85 PathProgramCache]: Analyzing trace with hash 133331533, now seen corresponding path program 1 times [2024-08-14 14:28:59,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:59,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138978114] [2024-08-14 14:28:59,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:59,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:00,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:00,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:00,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138978114] [2024-08-14 14:29:00,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138978114] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:00,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:00,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-08-14 14:29:00,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911769282] [2024-08-14 14:29:00,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:00,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-08-14 14:29:00,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:00,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-08-14 14:29:00,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-08-14 14:29:00,851 INFO L87 Difference]: Start difference. First operand 5158 states and 7934 transitions. Second operand has 10 states, 10 states have (on average 18.0) internal successors, (180), 10 states have internal predecessors, (180), 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) [2024-08-14 14:29:01,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:01,415 INFO L93 Difference]: Finished difference Result 6294 states and 9538 transitions. [2024-08-14 14:29:01,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 14:29:01,416 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 10 states have internal predecessors, (180), 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 184 [2024-08-14 14:29:01,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:01,425 INFO L225 Difference]: With dead ends: 6294 [2024-08-14 14:29:01,425 INFO L226 Difference]: Without dead ends: 6294 [2024-08-14 14:29:01,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-08-14 14:29:01,426 INFO L413 NwaCegarLoop]: 1426 mSDtfsCounter, 273 mSDsluCounter, 9154 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 10580 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:01,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 10580 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-08-14 14:29:01,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6294 states. [2024-08-14 14:29:01,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6294 to 5438. [2024-08-14 14:29:01,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5438 states, 5430 states have (on average 1.5303867403314917) internal successors, (8310), 5431 states have internal predecessors, (8310), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:01,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5438 states to 5438 states and 8317 transitions. [2024-08-14 14:29:01,491 INFO L78 Accepts]: Start accepts. Automaton has 5438 states and 8317 transitions. Word has length 184 [2024-08-14 14:29:01,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:01,491 INFO L495 AbstractCegarLoop]: Abstraction has 5438 states and 8317 transitions. [2024-08-14 14:29:01,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 10 states have internal predecessors, (180), 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) [2024-08-14 14:29:01,492 INFO L276 IsEmpty]: Start isEmpty. Operand 5438 states and 8317 transitions. [2024-08-14 14:29:01,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-08-14 14:29:01,499 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:01,499 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:01,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-08-14 14:29:01,500 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:01,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:01,500 INFO L85 PathProgramCache]: Analyzing trace with hash 345831269, now seen corresponding path program 1 times [2024-08-14 14:29:01,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:01,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813556218] [2024-08-14 14:29:01,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:01,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:02,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:02,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:02,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813556218] [2024-08-14 14:29:02,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813556218] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:02,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:02,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 14:29:02,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679893313] [2024-08-14 14:29:02,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:02,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 14:29:02,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:02,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 14:29:02,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:29:02,290 INFO L87 Difference]: Start difference. First operand 5438 states and 8317 transitions. Second operand has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 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) [2024-08-14 14:29:02,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:02,923 INFO L93 Difference]: Finished difference Result 6014 states and 9121 transitions. [2024-08-14 14:29:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 14:29:02,923 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 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 184 [2024-08-14 14:29:02,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:02,930 INFO L225 Difference]: With dead ends: 6014 [2024-08-14 14:29:02,930 INFO L226 Difference]: Without dead ends: 6014 [2024-08-14 14:29:02,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:29:02,931 INFO L413 NwaCegarLoop]: 1167 mSDtfsCounter, 1296 mSDsluCounter, 3440 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 4607 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:02,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 4607 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-08-14 14:29:02,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6014 states. [2024-08-14 14:29:02,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6014 to 5730. [2024-08-14 14:29:02,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5730 states, 5722 states have (on average 1.5232436211114995) internal successors, (8716), 5723 states have internal predecessors, (8716), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:02,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5730 states to 5730 states and 8723 transitions. [2024-08-14 14:29:02,994 INFO L78 Accepts]: Start accepts. Automaton has 5730 states and 8723 transitions. Word has length 184 [2024-08-14 14:29:02,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:02,995 INFO L495 AbstractCegarLoop]: Abstraction has 5730 states and 8723 transitions. [2024-08-14 14:29:02,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 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) [2024-08-14 14:29:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 5730 states and 8723 transitions. [2024-08-14 14:29:03,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-08-14 14:29:03,003 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:03,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:03,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-08-14 14:29:03,004 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:03,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:03,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1514027524, now seen corresponding path program 1 times [2024-08-14 14:29:03,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:03,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099904254] [2024-08-14 14:29:03,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:03,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:03,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:03,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:03,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:03,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099904254] [2024-08-14 14:29:03,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099904254] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:03,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:03,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-08-14 14:29:03,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799941816] [2024-08-14 14:29:03,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:03,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-08-14 14:29:03,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:03,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-08-14 14:29:03,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-08-14 14:29:03,776 INFO L87 Difference]: Start difference. First operand 5730 states and 8723 transitions. Second operand has 9 states, 9 states have (on average 20.0) internal successors, (180), 9 states have internal predecessors, (180), 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) [2024-08-14 14:29:04,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:04,288 INFO L93 Difference]: Finished difference Result 6668 states and 10039 transitions. [2024-08-14 14:29:04,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 14:29:04,288 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 9 states have internal predecessors, (180), 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 184 [2024-08-14 14:29:04,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:04,296 INFO L225 Difference]: With dead ends: 6668 [2024-08-14 14:29:04,296 INFO L226 Difference]: Without dead ends: 6668 [2024-08-14 14:29:04,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-08-14 14:29:04,297 INFO L413 NwaCegarLoop]: 1402 mSDtfsCounter, 225 mSDsluCounter, 7659 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 9061 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:04,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 9061 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-08-14 14:29:04,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2024-08-14 14:29:04,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 5532. [2024-08-14 14:29:04,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5532 states, 5524 states have (on average 1.5293265749456915) internal successors, (8448), 5525 states have internal predecessors, (8448), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5532 states to 5532 states and 8455 transitions. [2024-08-14 14:29:04,367 INFO L78 Accepts]: Start accepts. Automaton has 5532 states and 8455 transitions. Word has length 184 [2024-08-14 14:29:04,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:04,368 INFO L495 AbstractCegarLoop]: Abstraction has 5532 states and 8455 transitions. [2024-08-14 14:29:04,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 9 states have internal predecessors, (180), 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) [2024-08-14 14:29:04,368 INFO L276 IsEmpty]: Start isEmpty. Operand 5532 states and 8455 transitions. [2024-08-14 14:29:04,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-08-14 14:29:04,376 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:04,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:04,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-08-14 14:29:04,376 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:04,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:04,377 INFO L85 PathProgramCache]: Analyzing trace with hash 318910523, now seen corresponding path program 1 times [2024-08-14 14:29:04,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:04,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161064537] [2024-08-14 14:29:04,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:04,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:05,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:05,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:05,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161064537] [2024-08-14 14:29:05,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161064537] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:05,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:05,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-08-14 14:29:05,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121072258] [2024-08-14 14:29:05,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:05,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-08-14 14:29:05,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:05,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-08-14 14:29:05,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2024-08-14 14:29:05,542 INFO L87 Difference]: Start difference. First operand 5532 states and 8455 transitions. Second operand has 18 states, 18 states have (on average 10.055555555555555) internal successors, (181), 18 states have internal predecessors, (181), 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) [2024-08-14 14:29:05,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:05,784 INFO L93 Difference]: Finished difference Result 5748 states and 8771 transitions. [2024-08-14 14:29:05,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-14 14:29:05,784 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 10.055555555555555) internal successors, (181), 18 states have internal predecessors, (181), 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 185 [2024-08-14 14:29:05,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:05,789 INFO L225 Difference]: With dead ends: 5748 [2024-08-14 14:29:05,789 INFO L226 Difference]: Without dead ends: 5748 [2024-08-14 14:29:05,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2024-08-14 14:29:05,790 INFO L413 NwaCegarLoop]: 1346 mSDtfsCounter, 57 mSDsluCounter, 16209 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 17555 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:05,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 17555 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-08-14 14:29:05,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5748 states. [2024-08-14 14:29:05,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5748 to 5710. [2024-08-14 14:29:05,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5710 states, 5702 states have (on average 1.5275341985268327) internal successors, (8710), 5703 states have internal predecessors, (8710), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:05,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5710 states to 5710 states and 8717 transitions. [2024-08-14 14:29:05,849 INFO L78 Accepts]: Start accepts. Automaton has 5710 states and 8717 transitions. Word has length 185 [2024-08-14 14:29:05,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:05,850 INFO L495 AbstractCegarLoop]: Abstraction has 5710 states and 8717 transitions. [2024-08-14 14:29:05,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.055555555555555) internal successors, (181), 18 states have internal predecessors, (181), 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) [2024-08-14 14:29:05,850 INFO L276 IsEmpty]: Start isEmpty. Operand 5710 states and 8717 transitions. [2024-08-14 14:29:05,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-08-14 14:29:05,858 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:05,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:05,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-08-14 14:29:05,859 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:05,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:05,859 INFO L85 PathProgramCache]: Analyzing trace with hash -374482182, now seen corresponding path program 1 times [2024-08-14 14:29:05,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:05,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244045580] [2024-08-14 14:29:05,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:05,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:06,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:06,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:06,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:06,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244045580] [2024-08-14 14:29:06,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244045580] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:06,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:06,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-08-14 14:29:06,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547435403] [2024-08-14 14:29:06,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:06,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-08-14 14:29:06,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:06,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-08-14 14:29:06,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-08-14 14:29:06,997 INFO L87 Difference]: Start difference. First operand 5710 states and 8717 transitions. Second operand has 11 states, 11 states have (on average 16.454545454545453) internal successors, (181), 11 states have internal predecessors, (181), 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) [2024-08-14 14:29:07,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:07,321 INFO L93 Difference]: Finished difference Result 6902 states and 10452 transitions. [2024-08-14 14:29:07,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-14 14:29:07,321 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.454545454545453) internal successors, (181), 11 states have internal predecessors, (181), 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 185 [2024-08-14 14:29:07,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:07,328 INFO L225 Difference]: With dead ends: 6902 [2024-08-14 14:29:07,328 INFO L226 Difference]: Without dead ends: 6902 [2024-08-14 14:29:07,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-08-14 14:29:07,329 INFO L413 NwaCegarLoop]: 1337 mSDtfsCounter, 1516 mSDsluCounter, 7384 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 8721 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:07,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1518 Valid, 8721 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-08-14 14:29:07,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6902 states. [2024-08-14 14:29:07,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6902 to 6731. [2024-08-14 14:29:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6731 states, 6723 states have (on average 1.512420050572661) internal successors, (10168), 6724 states have internal predecessors, (10168), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:07,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6731 states to 6731 states and 10175 transitions. [2024-08-14 14:29:07,419 INFO L78 Accepts]: Start accepts. Automaton has 6731 states and 10175 transitions. Word has length 185 [2024-08-14 14:29:07,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:07,420 INFO L495 AbstractCegarLoop]: Abstraction has 6731 states and 10175 transitions. [2024-08-14 14:29:07,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.454545454545453) internal successors, (181), 11 states have internal predecessors, (181), 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) [2024-08-14 14:29:07,420 INFO L276 IsEmpty]: Start isEmpty. Operand 6731 states and 10175 transitions. [2024-08-14 14:29:07,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-08-14 14:29:07,431 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:07,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:07,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-08-14 14:29:07,431 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:07,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:07,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1740347685, now seen corresponding path program 1 times [2024-08-14 14:29:07,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:07,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665841965] [2024-08-14 14:29:07,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:07,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:07,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:07,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:07,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665841965] [2024-08-14 14:29:07,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665841965] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:07,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:07,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 14:29:07,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269024896] [2024-08-14 14:29:07,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:07,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 14:29:07,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:07,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 14:29:07,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:29:07,930 INFO L87 Difference]: Start difference. First operand 6731 states and 10175 transitions. Second operand has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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) [2024-08-14 14:29:08,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:08,507 INFO L93 Difference]: Finished difference Result 6877 states and 10375 transitions. [2024-08-14 14:29:08,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 14:29:08,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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 185 [2024-08-14 14:29:08,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:08,514 INFO L225 Difference]: With dead ends: 6877 [2024-08-14 14:29:08,515 INFO L226 Difference]: Without dead ends: 6877 [2024-08-14 14:29:08,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:29:08,515 INFO L413 NwaCegarLoop]: 1123 mSDtfsCounter, 1482 mSDsluCounter, 3360 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1483 SdHoareTripleChecker+Valid, 4483 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:08,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1483 Valid, 4483 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-08-14 14:29:08,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6877 states. [2024-08-14 14:29:08,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6877 to 6877. [2024-08-14 14:29:08,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6877 states, 6869 states have (on average 1.5093900131023439) internal successors, (10368), 6870 states have internal predecessors, (10368), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:08,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6877 states to 6877 states and 10375 transitions. [2024-08-14 14:29:08,590 INFO L78 Accepts]: Start accepts. Automaton has 6877 states and 10375 transitions. Word has length 185 [2024-08-14 14:29:08,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:08,590 INFO L495 AbstractCegarLoop]: Abstraction has 6877 states and 10375 transitions. [2024-08-14 14:29:08,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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) [2024-08-14 14:29:08,591 INFO L276 IsEmpty]: Start isEmpty. Operand 6877 states and 10375 transitions. [2024-08-14 14:29:08,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-08-14 14:29:08,603 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:08,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:08,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-08-14 14:29:08,603 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:08,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:08,604 INFO L85 PathProgramCache]: Analyzing trace with hash 828619674, now seen corresponding path program 1 times [2024-08-14 14:29:08,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:08,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177617393] [2024-08-14 14:29:08,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:08,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:08,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:08,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:08,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:08,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177617393] [2024-08-14 14:29:08,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177617393] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:08,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:08,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 14:29:08,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257800119] [2024-08-14 14:29:08,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:08,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 14:29:08,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:08,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 14:29:08,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 14:29:08,883 INFO L87 Difference]: Start difference. First operand 6877 states and 10375 transitions. Second operand has 4 states, 4 states have (on average 45.25) internal successors, (181), 4 states have internal predecessors, (181), 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) [2024-08-14 14:29:08,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:08,923 INFO L93 Difference]: Finished difference Result 6955 states and 10453 transitions. [2024-08-14 14:29:08,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 14:29:08,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.25) internal successors, (181), 4 states have internal predecessors, (181), 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 185 [2024-08-14 14:29:08,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:08,930 INFO L225 Difference]: With dead ends: 6955 [2024-08-14 14:29:08,930 INFO L226 Difference]: Without dead ends: 6955 [2024-08-14 14:29:08,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 14:29:08,930 INFO L413 NwaCegarLoop]: 1368 mSDtfsCounter, 0 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4097 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:08,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4097 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:29:08,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6955 states. [2024-08-14 14:29:08,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6955 to 6955. [2024-08-14 14:29:08,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6955 states, 6947 states have (on average 1.503670649201094) internal successors, (10446), 6948 states have internal predecessors, (10446), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:09,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6955 states to 6955 states and 10453 transitions. [2024-08-14 14:29:09,000 INFO L78 Accepts]: Start accepts. Automaton has 6955 states and 10453 transitions. Word has length 185 [2024-08-14 14:29:09,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:09,001 INFO L495 AbstractCegarLoop]: Abstraction has 6955 states and 10453 transitions. [2024-08-14 14:29:09,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.25) internal successors, (181), 4 states have internal predecessors, (181), 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) [2024-08-14 14:29:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 6955 states and 10453 transitions. [2024-08-14 14:29:09,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-08-14 14:29:09,008 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:09,008 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:09,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-08-14 14:29:09,008 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:09,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:09,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1586375281, now seen corresponding path program 1 times [2024-08-14 14:29:09,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:09,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154484669] [2024-08-14 14:29:09,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:09,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:09,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:09,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:09,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154484669] [2024-08-14 14:29:09,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154484669] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:09,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:09,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-14 14:29:09,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330587086] [2024-08-14 14:29:09,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:09,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-14 14:29:09,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:09,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-14 14:29:09,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:29:09,634 INFO L87 Difference]: Start difference. First operand 6955 states and 10453 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 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) [2024-08-14 14:29:09,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:09,832 INFO L93 Difference]: Finished difference Result 11843 states and 17557 transitions. [2024-08-14 14:29:09,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 14:29:09,833 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 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 185 [2024-08-14 14:29:09,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:09,847 INFO L225 Difference]: With dead ends: 11843 [2024-08-14 14:29:09,847 INFO L226 Difference]: Without dead ends: 11843 [2024-08-14 14:29:09,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:29:09,849 INFO L413 NwaCegarLoop]: 1344 mSDtfsCounter, 1739 mSDsluCounter, 5350 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1740 SdHoareTripleChecker+Valid, 6694 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:09,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1740 Valid, 6694 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-14 14:29:09,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11843 states. [2024-08-14 14:29:09,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11843 to 10421. [2024-08-14 14:29:09,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10421 states, 10413 states have (on average 1.5046576394891003) internal successors, (15668), 10414 states have internal predecessors, (15668), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:09,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10421 states to 10421 states and 15675 transitions. [2024-08-14 14:29:09,960 INFO L78 Accepts]: Start accepts. Automaton has 10421 states and 15675 transitions. Word has length 185 [2024-08-14 14:29:09,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:09,961 INFO L495 AbstractCegarLoop]: Abstraction has 10421 states and 15675 transitions. [2024-08-14 14:29:09,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 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) [2024-08-14 14:29:09,961 INFO L276 IsEmpty]: Start isEmpty. Operand 10421 states and 15675 transitions. [2024-08-14 14:29:09,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-08-14 14:29:09,973 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:09,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:09,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-08-14 14:29:09,973 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:09,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:09,974 INFO L85 PathProgramCache]: Analyzing trace with hash -627148440, now seen corresponding path program 1 times [2024-08-14 14:29:09,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:09,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643207632] [2024-08-14 14:29:09,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:09,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:10,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:10,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:10,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:10,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643207632] [2024-08-14 14:29:10,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643207632] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:10,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:10,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-14 14:29:10,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319466905] [2024-08-14 14:29:10,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:10,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-14 14:29:10,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:10,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-14 14:29:10,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:29:10,589 INFO L87 Difference]: Start difference. First operand 10421 states and 15675 transitions. Second operand has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 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) [2024-08-14 14:29:10,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:10,809 INFO L93 Difference]: Finished difference Result 18559 states and 27703 transitions. [2024-08-14 14:29:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 14:29:10,809 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 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 185 [2024-08-14 14:29:10,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:10,826 INFO L225 Difference]: With dead ends: 18559 [2024-08-14 14:29:10,826 INFO L226 Difference]: Without dead ends: 18559 [2024-08-14 14:29:10,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-08-14 14:29:10,827 INFO L413 NwaCegarLoop]: 1343 mSDtfsCounter, 1547 mSDsluCounter, 6709 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1548 SdHoareTripleChecker+Valid, 8052 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:10,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1548 Valid, 8052 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-14 14:29:10,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18559 states. [2024-08-14 14:29:10,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18559 to 10421. [2024-08-14 14:29:10,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10421 states, 10413 states have (on average 1.5046576394891003) internal successors, (15668), 10414 states have internal predecessors, (15668), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:10,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10421 states to 10421 states and 15675 transitions. [2024-08-14 14:29:10,948 INFO L78 Accepts]: Start accepts. Automaton has 10421 states and 15675 transitions. Word has length 185 [2024-08-14 14:29:10,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:10,948 INFO L495 AbstractCegarLoop]: Abstraction has 10421 states and 15675 transitions. [2024-08-14 14:29:10,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 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) [2024-08-14 14:29:10,948 INFO L276 IsEmpty]: Start isEmpty. Operand 10421 states and 15675 transitions. [2024-08-14 14:29:10,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-08-14 14:29:10,959 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:10,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:10,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-08-14 14:29:10,959 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:10,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:10,960 INFO L85 PathProgramCache]: Analyzing trace with hash -596046093, now seen corresponding path program 1 times [2024-08-14 14:29:10,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:10,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428872011] [2024-08-14 14:29:10,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:10,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:11,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:11,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:11,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428872011] [2024-08-14 14:29:11,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428872011] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:11,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:11,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-14 14:29:11,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175335338] [2024-08-14 14:29:11,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:11,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-14 14:29:11,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:11,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-14 14:29:11,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:29:11,418 INFO L87 Difference]: Start difference. First operand 10421 states and 15675 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 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) [2024-08-14 14:29:11,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:11,950 INFO L93 Difference]: Finished difference Result 13282 states and 19633 transitions. [2024-08-14 14:29:11,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 14:29:11,950 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 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 185 [2024-08-14 14:29:11,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:11,967 INFO L225 Difference]: With dead ends: 13282 [2024-08-14 14:29:11,968 INFO L226 Difference]: Without dead ends: 10999 [2024-08-14 14:29:11,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-08-14 14:29:11,968 INFO L413 NwaCegarLoop]: 2495 mSDtfsCounter, 1307 mSDsluCounter, 11089 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 13584 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:11,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1308 Valid, 13584 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-08-14 14:29:11,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10999 states. [2024-08-14 14:29:12,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10999 to 9391. [2024-08-14 14:29:12,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9391 states, 9383 states have (on average 1.5165725247788553) internal successors, (14230), 9384 states have internal predecessors, (14230), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:12,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9391 states to 9391 states and 14237 transitions. [2024-08-14 14:29:12,050 INFO L78 Accepts]: Start accepts. Automaton has 9391 states and 14237 transitions. Word has length 185 [2024-08-14 14:29:12,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:12,050 INFO L495 AbstractCegarLoop]: Abstraction has 9391 states and 14237 transitions. [2024-08-14 14:29:12,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 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) [2024-08-14 14:29:12,051 INFO L276 IsEmpty]: Start isEmpty. Operand 9391 states and 14237 transitions. [2024-08-14 14:29:12,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-08-14 14:29:12,061 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:12,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:12,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-08-14 14:29:12,061 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:12,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:12,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1888938305, now seen corresponding path program 1 times [2024-08-14 14:29:12,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:12,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919692673] [2024-08-14 14:29:12,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:12,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:12,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:12,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:12,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919692673] [2024-08-14 14:29:12,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919692673] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:12,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:12,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 14:29:12,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776885184] [2024-08-14 14:29:12,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:12,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 14:29:12,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:12,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 14:29:12,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:29:12,589 INFO L87 Difference]: Start difference. First operand 9391 states and 14237 transitions. Second operand has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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) [2024-08-14 14:29:13,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:13,229 INFO L93 Difference]: Finished difference Result 10278 states and 15432 transitions. [2024-08-14 14:29:13,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 14:29:13,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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 185 [2024-08-14 14:29:13,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:13,241 INFO L225 Difference]: With dead ends: 10278 [2024-08-14 14:29:13,241 INFO L226 Difference]: Without dead ends: 10278 [2024-08-14 14:29:13,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:29:13,242 INFO L413 NwaCegarLoop]: 1146 mSDtfsCounter, 1265 mSDsluCounter, 3365 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1266 SdHoareTripleChecker+Valid, 4511 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:13,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1266 Valid, 4511 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-08-14 14:29:13,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10278 states. [2024-08-14 14:29:13,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10278 to 9391. [2024-08-14 14:29:13,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9391 states, 9383 states have (on average 1.5165725247788553) internal successors, (14230), 9384 states have internal predecessors, (14230), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:13,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9391 states to 9391 states and 14237 transitions. [2024-08-14 14:29:13,315 INFO L78 Accepts]: Start accepts. Automaton has 9391 states and 14237 transitions. Word has length 185 [2024-08-14 14:29:13,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:13,315 INFO L495 AbstractCegarLoop]: Abstraction has 9391 states and 14237 transitions. [2024-08-14 14:29:13,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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) [2024-08-14 14:29:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 9391 states and 14237 transitions. [2024-08-14 14:29:13,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-08-14 14:29:13,323 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:13,323 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:13,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-08-14 14:29:13,324 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:13,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:13,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1450507712, now seen corresponding path program 1 times [2024-08-14 14:29:13,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:13,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418607921] [2024-08-14 14:29:13,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:13,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:13,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:13,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:13,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418607921] [2024-08-14 14:29:13,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418607921] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:13,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:13,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-14 14:29:13,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056040654] [2024-08-14 14:29:13,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:13,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-14 14:29:13,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:13,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-14 14:29:13,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:29:13,937 INFO L87 Difference]: Start difference. First operand 9391 states and 14237 transitions. Second operand has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 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) [2024-08-14 14:29:14,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:14,388 INFO L93 Difference]: Finished difference Result 10897 states and 16344 transitions. [2024-08-14 14:29:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-14 14:29:14,388 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 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 185 [2024-08-14 14:29:14,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:14,402 INFO L225 Difference]: With dead ends: 10897 [2024-08-14 14:29:14,403 INFO L226 Difference]: Without dead ends: 10897 [2024-08-14 14:29:14,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-08-14 14:29:14,403 INFO L413 NwaCegarLoop]: 1385 mSDtfsCounter, 191 mSDsluCounter, 6257 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 7642 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:14,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 7642 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-08-14 14:29:14,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10897 states. [2024-08-14 14:29:14,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10897 to 9352. [2024-08-14 14:29:14,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9352 states, 9344 states have (on average 1.5164811643835616) internal successors, (14170), 9345 states have internal predecessors, (14170), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:14,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9352 states to 9352 states and 14177 transitions. [2024-08-14 14:29:14,490 INFO L78 Accepts]: Start accepts. Automaton has 9352 states and 14177 transitions. Word has length 185 [2024-08-14 14:29:14,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:14,490 INFO L495 AbstractCegarLoop]: Abstraction has 9352 states and 14177 transitions. [2024-08-14 14:29:14,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 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) [2024-08-14 14:29:14,491 INFO L276 IsEmpty]: Start isEmpty. Operand 9352 states and 14177 transitions. [2024-08-14 14:29:14,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-08-14 14:29:14,499 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:14,499 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:14,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-08-14 14:29:14,500 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:14,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:14,500 INFO L85 PathProgramCache]: Analyzing trace with hash -940961838, now seen corresponding path program 1 times [2024-08-14 14:29:14,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:14,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083784963] [2024-08-14 14:29:14,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:14,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:15,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:15,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:15,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:15,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083784963] [2024-08-14 14:29:15,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083784963] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:15,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:15,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 14:29:15,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079264476] [2024-08-14 14:29:15,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:15,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 14:29:15,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:15,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 14:29:15,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:29:15,100 INFO L87 Difference]: Start difference. First operand 9352 states and 14177 transitions. Second operand has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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) [2024-08-14 14:29:15,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:15,709 INFO L93 Difference]: Finished difference Result 9604 states and 14493 transitions. [2024-08-14 14:29:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 14:29:15,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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 185 [2024-08-14 14:29:15,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:15,725 INFO L225 Difference]: With dead ends: 9604 [2024-08-14 14:29:15,725 INFO L226 Difference]: Without dead ends: 9604 [2024-08-14 14:29:15,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:29:15,726 INFO L413 NwaCegarLoop]: 1169 mSDtfsCounter, 1307 mSDsluCounter, 3443 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 4612 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:15,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1308 Valid, 4612 Invalid, 1029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-08-14 14:29:15,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9604 states. [2024-08-14 14:29:15,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9604 to 9316. [2024-08-14 14:29:15,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9316 states, 9308 states have (on average 1.5133218736570693) internal successors, (14086), 9309 states have internal predecessors, (14086), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:15,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9316 states to 9316 states and 14093 transitions. [2024-08-14 14:29:15,825 INFO L78 Accepts]: Start accepts. Automaton has 9316 states and 14093 transitions. Word has length 185 [2024-08-14 14:29:15,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:15,826 INFO L495 AbstractCegarLoop]: Abstraction has 9316 states and 14093 transitions. [2024-08-14 14:29:15,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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) [2024-08-14 14:29:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 9316 states and 14093 transitions. [2024-08-14 14:29:15,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-08-14 14:29:15,833 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:15,833 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:15,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-08-14 14:29:15,833 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:15,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:15,834 INFO L85 PathProgramCache]: Analyzing trace with hash 812471732, now seen corresponding path program 1 times [2024-08-14 14:29:15,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:15,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435271994] [2024-08-14 14:29:15,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:15,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:16,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:16,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:16,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:16,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435271994] [2024-08-14 14:29:16,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435271994] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:16,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:16,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-14 14:29:16,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144215728] [2024-08-14 14:29:16,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:16,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-14 14:29:16,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:16,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-14 14:29:16,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:29:16,589 INFO L87 Difference]: Start difference. First operand 9316 states and 14093 transitions. Second operand has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 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) [2024-08-14 14:29:17,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:17,090 INFO L93 Difference]: Finished difference Result 10634 states and 15919 transitions. [2024-08-14 14:29:17,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 14:29:17,091 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 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 185 [2024-08-14 14:29:17,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:17,103 INFO L225 Difference]: With dead ends: 10634 [2024-08-14 14:29:17,103 INFO L226 Difference]: Without dead ends: 10634 [2024-08-14 14:29:17,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-08-14 14:29:17,104 INFO L413 NwaCegarLoop]: 1408 mSDtfsCounter, 265 mSDsluCounter, 6349 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 7757 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:17,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 7757 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-08-14 14:29:17,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10634 states. [2024-08-14 14:29:17,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10634 to 9116. [2024-08-14 14:29:17,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9116 states, 9108 states have (on average 1.513943785682916) internal successors, (13789), 9109 states have internal predecessors, (13789), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:17,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9116 states to 9116 states and 13796 transitions. [2024-08-14 14:29:17,204 INFO L78 Accepts]: Start accepts. Automaton has 9116 states and 13796 transitions. Word has length 185 [2024-08-14 14:29:17,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:17,205 INFO L495 AbstractCegarLoop]: Abstraction has 9116 states and 13796 transitions. [2024-08-14 14:29:17,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 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) [2024-08-14 14:29:17,205 INFO L276 IsEmpty]: Start isEmpty. Operand 9116 states and 13796 transitions. [2024-08-14 14:29:17,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-08-14 14:29:17,215 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:17,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:17,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-08-14 14:29:17,215 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:17,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:17,216 INFO L85 PathProgramCache]: Analyzing trace with hash -525452761, now seen corresponding path program 1 times [2024-08-14 14:29:17,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:17,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611328927] [2024-08-14 14:29:17,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:17,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:17,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:17,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:17,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:17,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611328927] [2024-08-14 14:29:17,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611328927] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:17,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:17,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 14:29:17,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454069493] [2024-08-14 14:29:17,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:17,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 14:29:17,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:17,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 14:29:17,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:29:17,670 INFO L87 Difference]: Start difference. First operand 9116 states and 13796 transitions. Second operand has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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) [2024-08-14 14:29:17,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:17,787 INFO L93 Difference]: Finished difference Result 15896 states and 24090 transitions. [2024-08-14 14:29:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 14:29:17,787 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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 185 [2024-08-14 14:29:17,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:17,803 INFO L225 Difference]: With dead ends: 15896 [2024-08-14 14:29:17,803 INFO L226 Difference]: Without dead ends: 15896 [2024-08-14 14:29:17,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:29:17,804 INFO L413 NwaCegarLoop]: 1346 mSDtfsCounter, 1765 mSDsluCounter, 4014 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 5360 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:17,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 5360 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-14 14:29:17,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15896 states. [2024-08-14 14:29:17,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15896 to 9122. [2024-08-14 14:29:17,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9122 states, 9114 states have (on average 1.5140443274083828) internal successors, (13799), 9115 states have internal predecessors, (13799), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:17,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9122 states to 9122 states and 13806 transitions. [2024-08-14 14:29:17,895 INFO L78 Accepts]: Start accepts. Automaton has 9122 states and 13806 transitions. Word has length 185 [2024-08-14 14:29:17,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:17,895 INFO L495 AbstractCegarLoop]: Abstraction has 9122 states and 13806 transitions. [2024-08-14 14:29:17,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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) [2024-08-14 14:29:17,895 INFO L276 IsEmpty]: Start isEmpty. Operand 9122 states and 13806 transitions. [2024-08-14 14:29:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-08-14 14:29:17,901 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:17,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:17,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-08-14 14:29:17,902 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:17,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:17,902 INFO L85 PathProgramCache]: Analyzing trace with hash -452079880, now seen corresponding path program 1 times [2024-08-14 14:29:17,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:17,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982963788] [2024-08-14 14:29:17,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:17,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:18,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:18,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:18,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:18,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982963788] [2024-08-14 14:29:18,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982963788] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:18,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:18,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-14 14:29:18,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216102817] [2024-08-14 14:29:18,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:18,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-14 14:29:18,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:18,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-14 14:29:18,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-08-14 14:29:18,475 INFO L87 Difference]: Start difference. First operand 9122 states and 13806 transitions. Second operand has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 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) [2024-08-14 14:29:18,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:18,617 INFO L93 Difference]: Finished difference Result 15968 states and 24210 transitions. [2024-08-14 14:29:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 14:29:18,617 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 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 186 [2024-08-14 14:29:18,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:18,633 INFO L225 Difference]: With dead ends: 15968 [2024-08-14 14:29:18,633 INFO L226 Difference]: Without dead ends: 15968 [2024-08-14 14:29:18,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:29:18,634 INFO L413 NwaCegarLoop]: 1344 mSDtfsCounter, 1761 mSDsluCounter, 5361 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 6705 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:18,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 6705 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-14 14:29:18,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15968 states. [2024-08-14 14:29:18,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15968 to 11156. [2024-08-14 14:29:18,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11156 states, 11148 states have (on average 1.5404556871187658) internal successors, (17173), 11149 states have internal predecessors, (17173), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:18,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11156 states to 11156 states and 17180 transitions. [2024-08-14 14:29:18,737 INFO L78 Accepts]: Start accepts. Automaton has 11156 states and 17180 transitions. Word has length 186 [2024-08-14 14:29:18,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:18,738 INFO L495 AbstractCegarLoop]: Abstraction has 11156 states and 17180 transitions. [2024-08-14 14:29:18,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 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) [2024-08-14 14:29:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand 11156 states and 17180 transitions. [2024-08-14 14:29:18,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-08-14 14:29:18,747 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:18,747 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:18,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-08-14 14:29:18,747 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:18,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:18,747 INFO L85 PathProgramCache]: Analyzing trace with hash 2103561965, now seen corresponding path program 1 times [2024-08-14 14:29:18,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:18,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906909467] [2024-08-14 14:29:18,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:18,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:19,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:29:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:29:19,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 14:29:19,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:29:19,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906909467] [2024-08-14 14:29:19,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906909467] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:29:19,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:29:19,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-08-14 14:29:19,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882358177] [2024-08-14 14:29:19,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:29:19,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-08-14 14:29:19,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:29:19,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-08-14 14:29:19,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=342, Unknown=0, NotChecked=0, Total=380 [2024-08-14 14:29:19,693 INFO L87 Difference]: Start difference. First operand 11156 states and 17180 transitions. Second operand has 20 states, 20 states have (on average 9.1) internal successors, (182), 20 states have internal predecessors, (182), 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) [2024-08-14 14:29:20,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:29:20,085 INFO L93 Difference]: Finished difference Result 11304 states and 17399 transitions. [2024-08-14 14:29:20,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-08-14 14:29:20,085 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 9.1) internal successors, (182), 20 states have internal predecessors, (182), 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 186 [2024-08-14 14:29:20,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:29:20,099 INFO L225 Difference]: With dead ends: 11304 [2024-08-14 14:29:20,099 INFO L226 Difference]: Without dead ends: 11304 [2024-08-14 14:29:20,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2024-08-14 14:29:20,100 INFO L413 NwaCegarLoop]: 1340 mSDtfsCounter, 61 mSDsluCounter, 22761 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 24101 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-08-14 14:29:20,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 24101 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-08-14 14:29:20,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11304 states. [2024-08-14 14:29:20,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11304 to 11298. [2024-08-14 14:29:20,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11298 states, 11290 states have (on average 1.5397697077059345) internal successors, (17384), 11291 states have internal predecessors, (17384), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:20,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11298 states to 11298 states and 17391 transitions. [2024-08-14 14:29:20,196 INFO L78 Accepts]: Start accepts. Automaton has 11298 states and 17391 transitions. Word has length 186 [2024-08-14 14:29:20,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:29:20,196 INFO L495 AbstractCegarLoop]: Abstraction has 11298 states and 17391 transitions. [2024-08-14 14:29:20,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 9.1) internal successors, (182), 20 states have internal predecessors, (182), 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) [2024-08-14 14:29:20,196 INFO L276 IsEmpty]: Start isEmpty. Operand 11298 states and 17391 transitions. [2024-08-14 14:29:20,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-08-14 14:29:20,205 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:20,205 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:20,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-08-14 14:29:20,205 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:20,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:20,206 INFO L85 PathProgramCache]: Analyzing trace with hash 402821486, now seen corresponding path program 1 times [2024-08-14 14:29:20,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:29:20,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379126793] [2024-08-14 14:29:20,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:20,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:29:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:29:20,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:29:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:29:20,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:29:20,859 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:29:20,860 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:29:20,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-08-14 14:29:20,864 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:20,868 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:29:20,983 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:29:20 BoogieIcfgContainer [2024-08-14 14:29:20,987 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:29:20,987 INFO L158 Benchmark]: Toolchain (without parser) took 66884.50ms. Allocated memory was 172.0MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 111.1MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-08-14 14:29:20,987 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 172.0MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:29:20,987 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:29:20,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 982.80ms. Allocated memory was 172.0MB in the beginning and 268.4MB in the end (delta: 96.5MB). Free memory was 110.7MB in the beginning and 186.1MB in the end (delta: -75.5MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2024-08-14 14:29:20,988 INFO L158 Benchmark]: Boogie Preprocessor took 303.22ms. Allocated memory is still 268.4MB. Free memory was 186.1MB in the beginning and 151.5MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-08-14 14:29:20,988 INFO L158 Benchmark]: IcfgBuilder took 9177.62ms. Allocated memory was 268.4MB in the beginning and 601.9MB in the end (delta: 333.4MB). Free memory was 151.5MB in the beginning and 329.7MB in the end (delta: -178.2MB). Peak memory consumption was 307.5MB. Max. memory is 16.1GB. [2024-08-14 14:29:20,988 INFO L158 Benchmark]: TraceAbstraction took 56411.80ms. Allocated memory was 601.9MB in the beginning and 2.4GB in the end (delta: 1.8GB). Free memory was 329.7MB in the beginning and 2.1GB in the end (delta: -1.8GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-08-14 14:29:20,989 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 172.0MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 982.80ms. Allocated memory was 172.0MB in the beginning and 268.4MB in the end (delta: 96.5MB). Free memory was 110.7MB in the beginning and 186.1MB in the end (delta: -75.5MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 303.22ms. Allocated memory is still 268.4MB. Free memory was 186.1MB in the beginning and 151.5MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * IcfgBuilder took 9177.62ms. Allocated memory was 268.4MB in the beginning and 601.9MB in the end (delta: 333.4MB). Free memory was 151.5MB in the beginning and 329.7MB in the end (delta: -178.2MB). Peak memory consumption was 307.5MB. Max. memory is 16.1GB. * TraceAbstraction took 56411.80ms. Allocated memory was 601.9MB in the beginning and 2.4GB in the end (delta: 1.8GB). Free memory was 329.7MB in the beginning and 2.1GB in the end (delta: -1.8GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 467. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L32] const SORT_26 mask_SORT_26 = (SORT_26)-1 >> (sizeof(SORT_26) * 8 - 4); [L33] const SORT_26 msb_SORT_26 = (SORT_26)1 << (4 - 1); [L35] const SORT_165 mask_SORT_165 = (SORT_165)-1 >> (sizeof(SORT_165) * 8 - 32); [L36] const SORT_165 msb_SORT_165 = (SORT_165)1 << (32 - 1); [L38] const SORT_196 mask_SORT_196 = (SORT_196)-1 >> (sizeof(SORT_196) * 8 - 3); [L39] const SORT_196 msb_SORT_196 = (SORT_196)1 << (3 - 1); [L41] const SORT_1 var_11 = 0; [L42] const SORT_3 var_14 = 2; [L43] const SORT_1 var_29 = 1; [L44] const SORT_165 var_167 = 1; [L45] const SORT_3 var_250 = 0; [L46] const SORT_3 var_251 = 3; [L47] const SORT_165 var_260 = 0; [L48] const SORT_165 var_471 = 2; [L50] SORT_1 input_2; [L51] SORT_3 input_4; [L52] SORT_3 input_5; [L53] SORT_1 input_6; [L54] SORT_3 input_7; [L55] SORT_1 input_8; [L56] SORT_1 input_9; [L57] SORT_1 input_186; [L58] SORT_3 input_249; [L59] SORT_3 input_265; [L60] SORT_3 input_266; [L61] SORT_3 input_267; [L62] SORT_3 input_268; [L63] SORT_3 input_295; [L64] SORT_3 input_296; [L65] SORT_3 input_297; [L66] SORT_3 input_306; [L67] SORT_3 input_360; [L68] SORT_3 input_372; [L69] SORT_3 input_373; [L70] SORT_3 input_374; [L71] SORT_3 input_375; [L72] SORT_3 input_384; [L73] SORT_3 input_405; [L74] SORT_3 input_406; [L75] SORT_3 input_407; [L76] SORT_3 input_416; [L77] SORT_3 input_418; [L78] SORT_3 input_464; [L79] SORT_3 input_478; [L80] SORT_3 input_479; [L81] SORT_3 input_480; [L82] SORT_3 input_481; [L83] SORT_3 input_490; [L84] SORT_3 input_492; [L85] SORT_3 input_514; [L86] SORT_3 input_515; [L87] SORT_3 input_516; [L88] SORT_3 input_525; [L89] SORT_3 input_527; [L90] SORT_3 input_529; [L91] SORT_3 input_575; [L92] SORT_3 input_586; [L93] SORT_3 input_587; [L94] SORT_3 input_588; [L95] SORT_3 input_596; [L96] SORT_3 input_598; [L97] SORT_3 input_600; [L98] SORT_3 input_620; [L99] SORT_3 input_621; [L100] SORT_3 input_629; [L101] SORT_3 input_631; [L102] SORT_3 input_633; [L103] SORT_3 input_635; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_26=15, mask_SORT_3=3, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L105] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_26=15, mask_SORT_3=3, state_10=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L106] SORT_3 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_26=15, mask_SORT_3=3, state_10=0, state_13=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L107] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_26=15, mask_SORT_3=3, state_10=0, state_13=0, state_16=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L108] SORT_3 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_26=15, mask_SORT_3=3, state_10=0, state_13=0, state_16=0, state_19=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L109] SORT_3 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_26 [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_26 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_13=0, state_16=0, state_19=0, state_22=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L110] SORT_26 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_26; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L111] SORT_3 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L112] SORT_3 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L113] SORT_3 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L114] SORT_3 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L115] SORT_3 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L116] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L117] SORT_3 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L118] SORT_3 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L119] SORT_3 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L120] SORT_3 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L121] SORT_3 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L122] SORT_3 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L123] SORT_3 state_127 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L124] SORT_3 state_128 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_128=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L125] SORT_3 state_129 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_128=0, state_129=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L126] SORT_3 state_130 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_128=0, state_129=0, state_130=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L127] SORT_3 state_131 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L128] SORT_3 state_132 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L129] SORT_3 state_133 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L130] SORT_3 state_134 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L131] SORT_3 state_135 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L132] SORT_3 state_136 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L133] SORT_3 state_137 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L134] SORT_3 state_138 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L135] SORT_3 state_139 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L136] SORT_3 state_140 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L137] SORT_3 state_141 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L138] SORT_3 state_142 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L142] input_2 = __VERIFIER_nondet_uchar() [L143] EXPR input_2 & mask_SORT_1 [L143] EXPR input_2 & mask_SORT_1 VAL [mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L143] input_2 = input_2 & mask_SORT_1 [L144] input_4 = __VERIFIER_nondet_uchar() [L145] input_5 = __VERIFIER_nondet_uchar() [L146] input_6 = __VERIFIER_nondet_uchar() [L147] input_7 = __VERIFIER_nondet_uchar() [L148] input_8 = __VERIFIER_nondet_uchar() [L149] input_9 = __VERIFIER_nondet_uchar() [L150] EXPR input_9 & mask_SORT_1 [L150] EXPR input_9 & mask_SORT_1 VAL [input_2=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_10=0, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L150] input_9 = input_9 & mask_SORT_1 [L151] input_186 = __VERIFIER_nondet_uchar() [L152] input_249 = __VERIFIER_nondet_uchar() [L153] input_265 = __VERIFIER_nondet_uchar() [L154] input_266 = __VERIFIER_nondet_uchar() [L155] input_267 = __VERIFIER_nondet_uchar() [L156] input_268 = __VERIFIER_nondet_uchar() [L157] input_295 = __VERIFIER_nondet_uchar() [L158] input_296 = __VERIFIER_nondet_uchar() [L159] input_297 = __VERIFIER_nondet_uchar() [L160] input_306 = __VERIFIER_nondet_uchar() [L161] input_360 = __VERIFIER_nondet_uchar() [L162] input_372 = __VERIFIER_nondet_uchar() [L163] input_373 = __VERIFIER_nondet_uchar() [L164] input_374 = __VERIFIER_nondet_uchar() [L165] input_375 = __VERIFIER_nondet_uchar() [L166] input_384 = __VERIFIER_nondet_uchar() [L167] input_405 = __VERIFIER_nondet_uchar() [L168] input_406 = __VERIFIER_nondet_uchar() [L169] input_407 = __VERIFIER_nondet_uchar() [L170] input_416 = __VERIFIER_nondet_uchar() [L171] input_418 = __VERIFIER_nondet_uchar() [L172] input_464 = __VERIFIER_nondet_uchar() [L173] input_478 = __VERIFIER_nondet_uchar() [L174] input_479 = __VERIFIER_nondet_uchar() [L175] input_480 = __VERIFIER_nondet_uchar() [L176] input_481 = __VERIFIER_nondet_uchar() [L177] input_490 = __VERIFIER_nondet_uchar() [L178] input_492 = __VERIFIER_nondet_uchar() [L179] input_514 = __VERIFIER_nondet_uchar() [L180] input_515 = __VERIFIER_nondet_uchar() [L181] input_516 = __VERIFIER_nondet_uchar() [L182] input_525 = __VERIFIER_nondet_uchar() [L183] input_527 = __VERIFIER_nondet_uchar() [L184] input_529 = __VERIFIER_nondet_uchar() [L185] input_575 = __VERIFIER_nondet_uchar() [L186] input_586 = __VERIFIER_nondet_uchar() [L187] input_587 = __VERIFIER_nondet_uchar() [L188] input_588 = __VERIFIER_nondet_uchar() [L189] input_596 = __VERIFIER_nondet_uchar() [L190] input_598 = __VERIFIER_nondet_uchar() [L191] input_600 = __VERIFIER_nondet_uchar() [L192] input_620 = __VERIFIER_nondet_uchar() [L193] input_621 = __VERIFIER_nondet_uchar() [L194] input_629 = __VERIFIER_nondet_uchar() [L195] input_631 = __VERIFIER_nondet_uchar() [L196] input_633 = __VERIFIER_nondet_uchar() [L197] input_635 = __VERIFIER_nondet_uchar() [L200] SORT_1 var_12_arg_0 = state_10; [L201] SORT_1 var_12_arg_1 = var_11; [L202] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L203] SORT_3 var_15_arg_0 = state_13; [L204] SORT_3 var_15_arg_1 = var_14; [L205] SORT_1 var_15 = var_15_arg_0 >= var_15_arg_1; [L206] SORT_3 var_17_arg_0 = state_16; [L207] SORT_3 var_17_arg_1 = var_14; [L208] SORT_1 var_17 = var_17_arg_0 >= var_17_arg_1; [L209] SORT_1 var_18_arg_0 = var_15; [L210] SORT_1 var_18_arg_1 = var_17; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_18_arg_0=0, var_18_arg_1=0, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L211] EXPR var_18_arg_0 & var_18_arg_1 [L211] EXPR var_18_arg_0 & var_18_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L211] SORT_1 var_18 = var_18_arg_0 & var_18_arg_1; [L212] SORT_3 var_20_arg_0 = state_19; [L213] SORT_3 var_20_arg_1 = var_14; [L214] SORT_1 var_20 = var_20_arg_0 >= var_20_arg_1; [L215] SORT_1 var_21_arg_0 = var_18; [L216] SORT_1 var_21_arg_1 = var_20; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_21_arg_0=0, var_21_arg_1=0, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L217] EXPR var_21_arg_0 & var_21_arg_1 [L217] EXPR var_21_arg_0 & var_21_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L217] SORT_1 var_21 = var_21_arg_0 & var_21_arg_1; [L218] SORT_3 var_23_arg_0 = state_22; [L219] SORT_3 var_23_arg_1 = var_14; [L220] SORT_1 var_23 = var_23_arg_0 >= var_23_arg_1; [L221] SORT_1 var_24_arg_0 = var_21; [L222] SORT_1 var_24_arg_1 = var_23; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_24_arg_0=0, var_24_arg_1=0, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L223] EXPR var_24_arg_0 & var_24_arg_1 [L223] EXPR var_24_arg_0 & var_24_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_29=1, var_471=2] [L223] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L224] SORT_1 var_25_arg_0 = var_24; [L225] SORT_1 var_25 = ~var_25_arg_0; [L226] SORT_26 var_28_arg_0 = state_27; [L227] SORT_1 var_28 = var_28_arg_0 >> 3; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_25=-1, var_260=0, var_28=0, var_29=1, var_471=2] [L228] EXPR var_28 & mask_SORT_1 [L228] EXPR var_28 & mask_SORT_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_25=-1, var_260=0, var_29=1, var_471=2] [L228] var_28 = var_28 & mask_SORT_1 [L229] SORT_1 var_30_arg_0 = var_28; [L230] SORT_1 var_30_arg_1 = var_29; [L231] SORT_1 var_30 = var_30_arg_0 == var_30_arg_1; [L232] SORT_1 var_31_arg_0 = var_25; [L233] SORT_1 var_31_arg_1 = var_30; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_31_arg_0=-1, var_31_arg_1=0, var_471=2] [L234] EXPR var_31_arg_0 | var_31_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_31_arg_0=-1, var_31_arg_1=0, var_471=2] [L234] EXPR var_31_arg_0 | var_31_arg_1 [L234] EXPR var_31_arg_0 | var_31_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_471=2] [L234] SORT_1 var_31 = var_31_arg_0 | var_31_arg_1; [L235] SORT_3 var_33_arg_0 = state_32; [L236] SORT_3 var_33_arg_1 = var_14; [L237] SORT_1 var_33 = var_33_arg_0 >= var_33_arg_1; [L238] SORT_3 var_35_arg_0 = state_34; [L239] SORT_3 var_35_arg_1 = var_14; [L240] SORT_1 var_35 = var_35_arg_0 >= var_35_arg_1; [L241] SORT_1 var_36_arg_0 = var_33; [L242] SORT_1 var_36_arg_1 = var_35; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_31=255, var_36_arg_0=0, var_36_arg_1=0, var_471=2] [L243] EXPR var_36_arg_0 & var_36_arg_1 [L243] EXPR var_36_arg_0 & var_36_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_31=255, var_471=2] [L243] SORT_1 var_36 = var_36_arg_0 & var_36_arg_1; [L244] SORT_3 var_38_arg_0 = state_37; [L245] SORT_3 var_38_arg_1 = var_14; [L246] SORT_1 var_38 = var_38_arg_0 >= var_38_arg_1; [L247] SORT_1 var_39_arg_0 = var_36; [L248] SORT_1 var_39_arg_1 = var_38; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_31=255, var_39_arg_0=0, var_39_arg_1=0, var_471=2] [L249] EXPR var_39_arg_0 & var_39_arg_1 [L249] EXPR var_39_arg_0 & var_39_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_31=255, var_471=2] [L249] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L250] SORT_3 var_41_arg_0 = state_40; [L251] SORT_3 var_41_arg_1 = var_14; [L252] SORT_1 var_41 = var_41_arg_0 >= var_41_arg_1; [L253] SORT_1 var_42_arg_0 = var_39; [L254] SORT_1 var_42_arg_1 = var_41; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_31=255, var_42_arg_0=0, var_42_arg_1=0, var_471=2] [L255] EXPR var_42_arg_0 & var_42_arg_1 [L255] EXPR var_42_arg_0 & var_42_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_31=255, var_471=2] [L255] SORT_1 var_42 = var_42_arg_0 & var_42_arg_1; [L256] SORT_1 var_43_arg_0 = var_42; [L257] SORT_1 var_43 = ~var_43_arg_0; [L258] SORT_26 var_44_arg_0 = state_27; [L259] SORT_1 var_44 = var_44_arg_0 >> 2; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_31=255, var_43=-1, var_44=0, var_471=2] [L260] EXPR var_44 & mask_SORT_1 [L260] EXPR var_44 & mask_SORT_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_31=255, var_43=-1, var_471=2] [L260] var_44 = var_44 & mask_SORT_1 [L261] SORT_1 var_45_arg_0 = var_44; [L262] SORT_1 var_45_arg_1 = var_29; [L263] SORT_1 var_45 = var_45_arg_0 >= var_45_arg_1; [L264] SORT_1 var_46_arg_0 = var_43; [L265] SORT_1 var_46_arg_1 = var_45; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_31=255, var_44=0, var_46_arg_0=-1, var_46_arg_1=0, var_471=2] [L266] EXPR var_46_arg_0 | var_46_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_31=255, var_44=0, var_46_arg_0=-1, var_46_arg_1=0, var_471=2] [L266] EXPR var_46_arg_0 | var_46_arg_1 [L266] EXPR var_46_arg_0 | var_46_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_31=255, var_44=0, var_471=2] [L266] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L267] SORT_1 var_47_arg_0 = var_31; [L268] SORT_1 var_47_arg_1 = var_46; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_47_arg_0=255, var_47_arg_1=255] [L269] EXPR var_47_arg_0 & var_47_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_47_arg_0=255, var_47_arg_1=255] [L269] EXPR var_47_arg_0 & var_47_arg_1 [L269] EXPR var_47_arg_0 & var_47_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2] [L269] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L270] SORT_3 var_49_arg_0 = state_48; [L271] SORT_3 var_49_arg_1 = var_14; [L272] SORT_1 var_49 = var_49_arg_0 >= var_49_arg_1; [L273] SORT_3 var_51_arg_0 = state_50; [L274] SORT_3 var_51_arg_1 = var_14; [L275] SORT_1 var_51 = var_51_arg_0 >= var_51_arg_1; [L276] SORT_1 var_52_arg_0 = var_49; [L277] SORT_1 var_52_arg_1 = var_51; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_47=255, var_52_arg_0=0, var_52_arg_1=0] [L278] EXPR var_52_arg_0 & var_52_arg_1 [L278] EXPR var_52_arg_0 & var_52_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_47=255] [L278] SORT_1 var_52 = var_52_arg_0 & var_52_arg_1; [L279] SORT_3 var_54_arg_0 = state_53; [L280] SORT_3 var_54_arg_1 = var_14; [L281] SORT_1 var_54 = var_54_arg_0 >= var_54_arg_1; [L282] SORT_1 var_55_arg_0 = var_52; [L283] SORT_1 var_55_arg_1 = var_54; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_47=255, var_55_arg_0=0, var_55_arg_1=0] [L284] EXPR var_55_arg_0 & var_55_arg_1 [L284] EXPR var_55_arg_0 & var_55_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_47=255] [L284] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L285] SORT_3 var_57_arg_0 = state_56; [L286] SORT_3 var_57_arg_1 = var_14; [L287] SORT_1 var_57 = var_57_arg_0 >= var_57_arg_1; [L288] SORT_1 var_58_arg_0 = var_55; [L289] SORT_1 var_58_arg_1 = var_57; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_47=255, var_58_arg_0=0, var_58_arg_1=0] [L290] EXPR var_58_arg_0 & var_58_arg_1 [L290] EXPR var_58_arg_0 & var_58_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_47=255] [L290] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L291] SORT_1 var_59_arg_0 = var_58; [L292] SORT_1 var_59 = ~var_59_arg_0; [L293] SORT_26 var_60_arg_0 = state_27; [L294] SORT_1 var_60 = var_60_arg_0 >> 1; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_47=255, var_59=-1, var_60=0] [L295] EXPR var_60 & mask_SORT_1 [L295] EXPR var_60 & mask_SORT_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_47=255, var_59=-1] [L295] var_60 = var_60 & mask_SORT_1 [L296] SORT_1 var_61_arg_0 = var_60; [L297] SORT_1 var_61_arg_1 = var_29; [L298] SORT_1 var_61 = var_61_arg_0 >= var_61_arg_1; [L299] SORT_1 var_62_arg_0 = var_59; [L300] SORT_1 var_62_arg_1 = var_61; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_47=255, var_60=0, var_62_arg_0=-1, var_62_arg_1=0] [L301] EXPR var_62_arg_0 | var_62_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_47=255, var_60=0, var_62_arg_0=-1, var_62_arg_1=0] [L301] EXPR var_62_arg_0 | var_62_arg_1 [L301] EXPR var_62_arg_0 | var_62_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_47=255, var_60=0] [L301] SORT_1 var_62 = var_62_arg_0 | var_62_arg_1; [L302] SORT_1 var_63_arg_0 = var_47; [L303] SORT_1 var_63_arg_1 = var_62; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_63_arg_0=255, var_63_arg_1=255] [L304] EXPR var_63_arg_0 & var_63_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_63_arg_0=255, var_63_arg_1=255] [L304] EXPR var_63_arg_0 & var_63_arg_1 [L304] EXPR var_63_arg_0 & var_63_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0] [L304] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L305] SORT_3 var_65_arg_0 = state_64; [L306] SORT_3 var_65_arg_1 = var_14; [L307] SORT_1 var_65 = var_65_arg_0 >= var_65_arg_1; [L308] SORT_3 var_67_arg_0 = state_66; [L309] SORT_3 var_67_arg_1 = var_14; [L310] SORT_1 var_67 = var_67_arg_0 >= var_67_arg_1; [L311] SORT_1 var_68_arg_0 = var_65; [L312] SORT_1 var_68_arg_1 = var_67; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_63=255, var_68_arg_0=0, var_68_arg_1=0] [L313] EXPR var_68_arg_0 & var_68_arg_1 [L313] EXPR var_68_arg_0 & var_68_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_63=255] [L313] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L314] SORT_3 var_70_arg_0 = state_69; [L315] SORT_3 var_70_arg_1 = var_14; [L316] SORT_1 var_70 = var_70_arg_0 >= var_70_arg_1; [L317] SORT_1 var_71_arg_0 = var_68; [L318] SORT_1 var_71_arg_1 = var_70; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_63=255, var_71_arg_0=0, var_71_arg_1=0] [L319] EXPR var_71_arg_0 & var_71_arg_1 [L319] EXPR var_71_arg_0 & var_71_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_63=255] [L319] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L320] SORT_3 var_73_arg_0 = state_72; [L321] SORT_3 var_73_arg_1 = var_14; [L322] SORT_1 var_73 = var_73_arg_0 >= var_73_arg_1; [L323] SORT_1 var_74_arg_0 = var_71; [L324] SORT_1 var_74_arg_1 = var_73; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_63=255, var_74_arg_0=0, var_74_arg_1=0] [L325] EXPR var_74_arg_0 & var_74_arg_1 [L325] EXPR var_74_arg_0 & var_74_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_27=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_63=255] [L325] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L326] SORT_1 var_75_arg_0 = var_74; [L327] SORT_1 var_75 = ~var_75_arg_0; [L328] SORT_26 var_76_arg_0 = state_27; [L329] SORT_1 var_76 = var_76_arg_0 >> 0; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_63=255, var_75=-1, var_76=0] [L330] EXPR var_76 & mask_SORT_1 [L330] EXPR var_76 & mask_SORT_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_63=255, var_75=-1] [L330] var_76 = var_76 & mask_SORT_1 [L331] SORT_1 var_77_arg_0 = var_76; [L332] SORT_1 var_77_arg_1 = var_29; [L333] SORT_1 var_77 = var_77_arg_0 >= var_77_arg_1; [L334] SORT_1 var_78_arg_0 = var_75; [L335] SORT_1 var_78_arg_1 = var_77; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_63=255, var_76=0, var_78_arg_0=-1, var_78_arg_1=0] [L336] EXPR var_78_arg_0 | var_78_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_63=255, var_76=0, var_78_arg_0=-1, var_78_arg_1=0] [L336] EXPR var_78_arg_0 | var_78_arg_1 [L336] EXPR var_78_arg_0 | var_78_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_63=255, var_76=0] [L336] SORT_1 var_78 = var_78_arg_0 | var_78_arg_1; [L337] SORT_1 var_79_arg_0 = var_63; [L338] SORT_1 var_79_arg_1 = var_78; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_79_arg_0=255, var_79_arg_1=255] [L339] EXPR var_79_arg_0 & var_79_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_79_arg_0=255, var_79_arg_1=255] [L339] EXPR var_79_arg_0 & var_79_arg_1 [L339] EXPR var_79_arg_0 & var_79_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_13=0, state_140=0, state_141=0, state_142=0, state_16=0, state_19=0, state_22=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L339] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L340] SORT_3 var_80_arg_0 = state_13; [L341] SORT_3 var_80_arg_1 = var_14; [L342] SORT_1 var_80 = var_80_arg_0 >= var_80_arg_1; [L343] SORT_3 var_81_arg_0 = state_16; [L344] SORT_3 var_81_arg_1 = var_14; [L345] SORT_1 var_81 = var_81_arg_0 >= var_81_arg_1; [L346] SORT_1 var_82_arg_0 = var_80; [L347] SORT_1 var_82_arg_1 = var_81; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_19=0, state_22=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_79=255, var_82_arg_0=0, var_82_arg_1=0] [L348] EXPR var_82_arg_0 | var_82_arg_1 [L348] EXPR var_82_arg_0 | var_82_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_19=0, state_22=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_79=255] [L348] SORT_1 var_82 = var_82_arg_0 | var_82_arg_1; [L349] SORT_3 var_83_arg_0 = state_19; [L350] SORT_3 var_83_arg_1 = var_14; [L351] SORT_1 var_83 = var_83_arg_0 >= var_83_arg_1; [L352] SORT_1 var_84_arg_0 = var_82; [L353] SORT_1 var_84_arg_1 = var_83; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_22=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_79=255, var_84_arg_0=0, var_84_arg_1=0] [L354] EXPR var_84_arg_0 | var_84_arg_1 [L354] EXPR var_84_arg_0 | var_84_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_22=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_79=255] [L354] SORT_1 var_84 = var_84_arg_0 | var_84_arg_1; [L355] SORT_3 var_85_arg_0 = state_22; [L356] SORT_3 var_85_arg_1 = var_14; [L357] SORT_1 var_85 = var_85_arg_0 >= var_85_arg_1; [L358] SORT_1 var_86_arg_0 = var_84; [L359] SORT_1 var_86_arg_1 = var_85; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_79=255, var_86_arg_0=0, var_86_arg_1=0] [L360] EXPR var_86_arg_0 | var_86_arg_1 [L360] EXPR var_86_arg_0 | var_86_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_79=255] [L360] SORT_1 var_86 = var_86_arg_0 | var_86_arg_1; [L361] SORT_1 var_87_arg_0 = var_28; [L362] SORT_1 var_87_arg_1 = var_11; [L363] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L364] SORT_1 var_88_arg_0 = var_86; [L365] SORT_1 var_88_arg_1 = var_87; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_79=255, var_88_arg_0=0, var_88_arg_1=1] [L366] EXPR var_88_arg_0 | var_88_arg_1 [L366] EXPR var_88_arg_0 | var_88_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_79=255] [L366] SORT_1 var_88 = var_88_arg_0 | var_88_arg_1; [L367] SORT_1 var_89_arg_0 = var_79; [L368] SORT_1 var_89_arg_1 = var_88; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_89_arg_0=255, var_89_arg_1=1] [L369] EXPR var_89_arg_0 & var_89_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_89_arg_0=255, var_89_arg_1=1] [L369] EXPR var_89_arg_0 & var_89_arg_1 [L369] EXPR var_89_arg_0 & var_89_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_32=0, state_34=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L369] SORT_1 var_89 = var_89_arg_0 & var_89_arg_1; [L370] SORT_3 var_90_arg_0 = state_32; [L371] SORT_3 var_90_arg_1 = var_14; [L372] SORT_1 var_90 = var_90_arg_0 >= var_90_arg_1; [L373] SORT_3 var_91_arg_0 = state_34; [L374] SORT_3 var_91_arg_1 = var_14; [L375] SORT_1 var_91 = var_91_arg_0 >= var_91_arg_1; [L376] SORT_1 var_92_arg_0 = var_90; [L377] SORT_1 var_92_arg_1 = var_91; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_89=0, var_92_arg_0=0, var_92_arg_1=0] [L378] EXPR var_92_arg_0 | var_92_arg_1 [L378] EXPR var_92_arg_0 | var_92_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_37=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_89=0] [L378] SORT_1 var_92 = var_92_arg_0 | var_92_arg_1; [L379] SORT_3 var_93_arg_0 = state_37; [L380] SORT_3 var_93_arg_1 = var_14; [L381] SORT_1 var_93 = var_93_arg_0 >= var_93_arg_1; [L382] SORT_1 var_94_arg_0 = var_92; [L383] SORT_1 var_94_arg_1 = var_93; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_89=0, var_94_arg_0=0, var_94_arg_1=0] [L384] EXPR var_94_arg_0 | var_94_arg_1 [L384] EXPR var_94_arg_0 | var_94_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_40=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_89=0] [L384] SORT_1 var_94 = var_94_arg_0 | var_94_arg_1; [L385] SORT_3 var_95_arg_0 = state_40; [L386] SORT_3 var_95_arg_1 = var_14; [L387] SORT_1 var_95 = var_95_arg_0 >= var_95_arg_1; [L388] SORT_1 var_96_arg_0 = var_94; [L389] SORT_1 var_96_arg_1 = var_95; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_89=0, var_96_arg_0=0, var_96_arg_1=0] [L390] EXPR var_96_arg_0 | var_96_arg_1 [L390] EXPR var_96_arg_0 | var_96_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_89=0] [L390] SORT_1 var_96 = var_96_arg_0 | var_96_arg_1; [L391] SORT_1 var_97_arg_0 = var_44; [L392] SORT_1 var_97_arg_1 = var_11; [L393] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L394] SORT_1 var_98_arg_0 = var_96; [L395] SORT_1 var_98_arg_1 = var_97; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_89=0, var_98_arg_0=0, var_98_arg_1=1] [L396] EXPR var_98_arg_0 | var_98_arg_1 [L396] EXPR var_98_arg_0 | var_98_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_89=0] [L396] SORT_1 var_98 = var_98_arg_0 | var_98_arg_1; [L397] SORT_1 var_99_arg_0 = var_89; [L398] SORT_1 var_99_arg_1 = var_98; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_99_arg_0=0, var_99_arg_1=1] [L399] EXPR var_99_arg_0 & var_99_arg_1 [L399] EXPR var_99_arg_0 & var_99_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_48=0, state_50=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L399] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L400] SORT_3 var_100_arg_0 = state_48; [L401] SORT_3 var_100_arg_1 = var_14; [L402] SORT_1 var_100 = var_100_arg_0 >= var_100_arg_1; [L403] SORT_3 var_101_arg_0 = state_50; [L404] SORT_3 var_101_arg_1 = var_14; [L405] SORT_1 var_101 = var_101_arg_0 >= var_101_arg_1; [L406] SORT_1 var_102_arg_0 = var_100; [L407] SORT_1 var_102_arg_1 = var_101; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_102_arg_0=0, var_102_arg_1=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_99=0] [L408] EXPR var_102_arg_0 | var_102_arg_1 [L408] EXPR var_102_arg_0 | var_102_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_53=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_99=0] [L408] SORT_1 var_102 = var_102_arg_0 | var_102_arg_1; [L409] SORT_3 var_103_arg_0 = state_53; [L410] SORT_3 var_103_arg_1 = var_14; [L411] SORT_1 var_103 = var_103_arg_0 >= var_103_arg_1; [L412] SORT_1 var_104_arg_0 = var_102; [L413] SORT_1 var_104_arg_1 = var_103; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_104_arg_0=0, var_104_arg_1=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_99=0] [L414] EXPR var_104_arg_0 | var_104_arg_1 [L414] EXPR var_104_arg_0 | var_104_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_56=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_99=0] [L414] SORT_1 var_104 = var_104_arg_0 | var_104_arg_1; [L415] SORT_3 var_105_arg_0 = state_56; [L416] SORT_3 var_105_arg_1 = var_14; [L417] SORT_1 var_105 = var_105_arg_0 >= var_105_arg_1; [L418] SORT_1 var_106_arg_0 = var_104; [L419] SORT_1 var_106_arg_1 = var_105; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_64=0, state_66=0, state_69=0, state_72=0, var_106_arg_0=0, var_106_arg_1=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_99=0] [L420] EXPR var_106_arg_0 | var_106_arg_1 [L420] EXPR var_106_arg_0 | var_106_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_99=0] [L420] SORT_1 var_106 = var_106_arg_0 | var_106_arg_1; [L421] SORT_1 var_107_arg_0 = var_60; [L422] SORT_1 var_107_arg_1 = var_11; [L423] SORT_1 var_107 = var_107_arg_0 == var_107_arg_1; [L424] SORT_1 var_108_arg_0 = var_106; [L425] SORT_1 var_108_arg_1 = var_107; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_64=0, state_66=0, state_69=0, state_72=0, var_108_arg_0=0, var_108_arg_1=1, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_99=0] [L426] EXPR var_108_arg_0 | var_108_arg_1 [L426] EXPR var_108_arg_0 | var_108_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0, var_99=0] [L426] SORT_1 var_108 = var_108_arg_0 | var_108_arg_1; [L427] SORT_1 var_109_arg_0 = var_99; [L428] SORT_1 var_109_arg_1 = var_108; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_64=0, state_66=0, state_69=0, state_72=0, var_109_arg_0=0, var_109_arg_1=1, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L429] EXPR var_109_arg_0 & var_109_arg_1 [L429] EXPR var_109_arg_0 & var_109_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_64=0, state_66=0, state_69=0, state_72=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L429] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L430] SORT_3 var_110_arg_0 = state_64; [L431] SORT_3 var_110_arg_1 = var_14; [L432] SORT_1 var_110 = var_110_arg_0 >= var_110_arg_1; [L433] SORT_3 var_111_arg_0 = state_66; [L434] SORT_3 var_111_arg_1 = var_14; [L435] SORT_1 var_111 = var_111_arg_0 >= var_111_arg_1; [L436] SORT_1 var_112_arg_0 = var_110; [L437] SORT_1 var_112_arg_1 = var_111; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_69=0, state_72=0, var_109=0, var_112_arg_0=0, var_112_arg_1=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L438] EXPR var_112_arg_0 | var_112_arg_1 [L438] EXPR var_112_arg_0 | var_112_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_69=0, state_72=0, var_109=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L438] SORT_1 var_112 = var_112_arg_0 | var_112_arg_1; [L439] SORT_3 var_113_arg_0 = state_69; [L440] SORT_3 var_113_arg_1 = var_14; [L441] SORT_1 var_113 = var_113_arg_0 >= var_113_arg_1; [L442] SORT_1 var_114_arg_0 = var_112; [L443] SORT_1 var_114_arg_1 = var_113; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_72=0, var_109=0, var_114_arg_0=0, var_114_arg_1=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L444] EXPR var_114_arg_0 | var_114_arg_1 [L444] EXPR var_114_arg_0 | var_114_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, state_72=0, var_109=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L444] SORT_1 var_114 = var_114_arg_0 | var_114_arg_1; [L445] SORT_3 var_115_arg_0 = state_72; [L446] SORT_3 var_115_arg_1 = var_14; [L447] SORT_1 var_115 = var_115_arg_0 >= var_115_arg_1; [L448] SORT_1 var_116_arg_0 = var_114; [L449] SORT_1 var_116_arg_1 = var_115; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, var_109=0, var_116_arg_0=0, var_116_arg_1=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L450] EXPR var_116_arg_0 | var_116_arg_1 [L450] EXPR var_116_arg_0 | var_116_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, var_109=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L450] SORT_1 var_116 = var_116_arg_0 | var_116_arg_1; [L451] SORT_1 var_117_arg_0 = var_76; [L452] SORT_1 var_117_arg_1 = var_11; [L453] SORT_1 var_117 = var_117_arg_0 == var_117_arg_1; [L454] SORT_1 var_118_arg_0 = var_116; [L455] SORT_1 var_118_arg_1 = var_117; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, var_109=0, var_118_arg_0=0, var_118_arg_1=1, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L456] EXPR var_118_arg_0 | var_118_arg_1 [L456] EXPR var_118_arg_0 | var_118_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, var_109=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L456] SORT_1 var_118 = var_118_arg_0 | var_118_arg_1; [L457] SORT_1 var_119_arg_0 = var_109; [L458] SORT_1 var_119_arg_1 = var_118; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, var_119_arg_0=0, var_119_arg_1=1, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L459] EXPR var_119_arg_0 & var_119_arg_1 [L459] EXPR var_119_arg_0 & var_119_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, var_11=0, var_12=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L459] SORT_1 var_119 = var_119_arg_0 & var_119_arg_1; [L460] SORT_1 var_120_arg_0 = var_12; [L461] SORT_1 var_120_arg_1 = var_119; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, var_11=0, var_120_arg_0=1, var_120_arg_1=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L462] EXPR var_120_arg_0 | var_120_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, var_11=0, var_120_arg_0=1, var_120_arg_1=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L462] EXPR var_120_arg_0 | var_120_arg_1 [L462] EXPR var_120_arg_0 | var_120_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L462] SORT_1 var_120 = var_120_arg_0 | var_120_arg_1; [L463] SORT_1 var_123_arg_0 = var_120; [L464] SORT_1 var_123 = ~var_123_arg_0; [L465] SORT_1 var_124_arg_0 = var_29; [L466] SORT_1 var_124_arg_1 = var_123; VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, var_11=0, var_124_arg_0=1, var_124_arg_1=-2, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L467] EXPR var_124_arg_0 & var_124_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, var_11=0, var_124_arg_0=1, var_124_arg_1=-2, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L467] EXPR var_124_arg_0 & var_124_arg_1 [L467] EXPR var_124_arg_0 & var_124_arg_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L467] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L468] EXPR var_124 & mask_SORT_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, var_11=0, var_124=1, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L468] EXPR var_124 & mask_SORT_1 [L468] EXPR var_124 & mask_SORT_1 VAL [input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L468] var_124 = var_124 & mask_SORT_1 [L469] SORT_1 bad_125_arg_0 = var_124; VAL [bad_125_arg_0=1, input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=0, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L470] CALL __VERIFIER_assert(!(bad_125_arg_0)) VAL [\old(cond)=0] [L21] COND TRUE !(cond) VAL [\old(cond)=0] [L21] reach_error() VAL [\old(cond)=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 841 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.2s, OverallIterations: 53, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37025 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37000 mSDsluCounter, 363171 SdHoareTripleChecker+Invalid, 9.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 292777 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15981 IncrementalHoareTripleChecker+Invalid, 16076 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 70394 mSDtfsCounter, 15981 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 554 GetRequests, 242 SyntacticMatches, 2 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11298occurred in iteration=52, InterpolantAutomatonStates: 366, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 52 MinimizatonAttempts, 32753 StatesRemovedByMinimization, 39 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 7.6s SatisfiabilityAnalysisTime, 28.0s InterpolantComputationTime, 9680 NumberOfCodeBlocks, 9680 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 9442 ConstructedInterpolants, 0 QuantifiedInterpolants, 29950 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 52 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-08-14 14:29:21,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/btor2c-lazyMod.vis_arrays_bpbs_p3.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m [2024-08-14 14:29:23,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:29:23,431 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-08-14 14:29:23,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:29:23,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:29:23,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:29:23,475 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:29:23,476 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:29:23,477 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:29:23,478 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:29:23,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:29:23,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:29:23,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:29:23,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:29:23,484 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:29:23,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:29:23,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:29:23,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:29:23,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:29:23,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:29:23,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:29:23,486 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-14 14:29:23,488 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 14:29:23,488 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:29:23,488 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 14:29:23,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:29:23,489 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:29:23,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:29:23,489 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:29:23,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:29:23,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:29:23,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:29:23,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:29:23,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:29:23,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:29:23,492 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 14:29:23,493 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 14:29:23,493 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:29:23,493 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:29:23,493 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:29:23,494 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:29:23,494 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:29:23,494 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-14 14:29:23,494 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:29:23,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:29:23,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:29:23,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:29:23,835 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:29:23,836 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:29:23,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c [2024-08-14 14:29:25,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:29:25,697 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:29:25,701 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c [2024-08-14 14:29:25,720 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5311e0f46/59f5ab7fc8fe409c86317ccc64e5a9cc/FLAG2cb833939 [2024-08-14 14:29:25,739 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5311e0f46/59f5ab7fc8fe409c86317ccc64e5a9cc [2024-08-14 14:29:25,742 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:29:25,743 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:29:25,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/btor2c-lazyMod.vis_arrays_bpbs_p3.yml/witness.yml [2024-08-14 14:29:25,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:29:25,792 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:29:25,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:29:25,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:29:25,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:29:25,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:29:25" (1/2) ... [2024-08-14 14:29:25,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2912120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:29:25, skipping insertion in model container [2024-08-14 14:29:25,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:29:25" (1/2) ... [2024-08-14 14:29:25,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@599a01b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:29:25, skipping insertion in model container [2024-08-14 14:29:25,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:29:25" (2/2) ... [2024-08-14 14:29:25,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2912120 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:29:25, skipping insertion in model container [2024-08-14 14:29:25,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:29:25" (2/2) ... [2024-08-14 14:29:25,883 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:29:26,096 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c[1258,1271] [2024-08-14 14:29:26,471 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:29:26,484 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:29:26,502 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p3.c[1258,1271] [2024-08-14 14:29:26,664 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:29:26,682 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:29:26,684 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:29:26 WrapperNode [2024-08-14 14:29:26,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:29:26,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:29:26,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:29:26,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:29:26,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:29:26" (1/1) ... [2024-08-14 14:29:26,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:29:26" (1/1) ... [2024-08-14 14:29:26,756 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:29:26" (1/1) ... [2024-08-14 14:29:26,821 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-14 14:29:26,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:29:26" (1/1) ... [2024-08-14 14:29:26,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:29:26" (1/1) ... [2024-08-14 14:29:26,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:29:26" (1/1) ... [2024-08-14 14:29:26,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:29:26" (1/1) ... [2024-08-14 14:29:26,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:29:26" (1/1) ... [2024-08-14 14:29:26,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:29:26,942 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:29:26,945 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:29:26,946 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:29:26,947 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:29:26" (1/1) ... [2024-08-14 14:29:26,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:29:26,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:29:26,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-14 14:29:26,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-14 14:29:27,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:29:27,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:29:27,037 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:29:27,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:29:27,038 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:29:27,038 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:29:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2024-08-14 14:29:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2024-08-14 14:29:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:29:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:29:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:29:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:29:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:29:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:29:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:29:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:29:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:29:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:29:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-14 14:29:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:29:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-14 14:29:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-14 14:29:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:29:27,467 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:29:27,469 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:29:29,637 INFO L? ?]: Removed 342 outVars from TransFormulas that were not future-live. [2024-08-14 14:29:29,637 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:29:29,646 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:29:29,646 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:29:29,647 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:29:29 BoogieIcfgContainer [2024-08-14 14:29:29,647 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:29:29,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:29:29,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:29:29,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:29:29,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:29:25" (1/4) ... [2024-08-14 14:29:29,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba8af17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:29:29, skipping insertion in model container [2024-08-14 14:29:29,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:29:25" (2/4) ... [2024-08-14 14:29:29,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba8af17 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:29:29, skipping insertion in model container [2024-08-14 14:29:29,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:29:26" (3/4) ... [2024-08-14 14:29:29,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba8af17 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:29:29, skipping insertion in model container [2024-08-14 14:29:29,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:29:29" (4/4) ... [2024-08-14 14:29:29,656 INFO L119 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_bpbs_p3.c [2024-08-14 14:29:29,657 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:29:29,693 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:29:29,694 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:29:29,722 INFO L92 WitnessUtils]: Constructing product of automaton with 21 states and violation witness of the following lengths: [3] [2024-08-14 14:29:29,725 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 21 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:29:29,766 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 41 states to 26 states. [2024-08-14 14:29:29,788 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:29:29,796 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@51739067, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:29:29,797 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:29:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2024-08-14 14:29:29,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-08-14 14:29:29,802 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:29:29,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:29:29,803 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:29:29,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:29:29,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1024331893, now seen corresponding path program 1 times [2024-08-14 14:29:29,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 14:29:29,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [176512945] [2024-08-14 14:29:29,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:29:29,824 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-14 14:29:29,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-14 14:29:29,825 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-14 14:29:29,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-08-14 14:29:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:29:30,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:29:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:29:30,533 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-14 14:29:30,535 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:29:30,537 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:29:30,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-08-14 14:29:30,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-14 14:29:30,744 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:29:30,747 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:29:30,789 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:29:30 BoogieIcfgContainer [2024-08-14 14:29:30,789 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:29:30,790 INFO L158 Benchmark]: Toolchain (without parser) took 4997.97ms. Allocated memory was 69.2MB in the beginning and 195.0MB in the end (delta: 125.8MB). Free memory was 45.0MB in the beginning and 97.3MB in the end (delta: -52.2MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2024-08-14 14:29:30,790 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 48.2MB. Free memory is still 28.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:29:30,791 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 69.2MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:29:30,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 890.13ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 44.8MB in the beginning and 47.9MB in the end (delta: -3.1MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-08-14 14:29:30,792 INFO L158 Benchmark]: Boogie Preprocessor took 256.42ms. Allocated memory is still 92.3MB. Free memory was 47.9MB in the beginning and 51.4MB in the end (delta: -3.5MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-08-14 14:29:30,792 INFO L158 Benchmark]: IcfgBuilder took 2705.34ms. Allocated memory was 92.3MB in the beginning and 195.0MB in the end (delta: 102.8MB). Free memory was 51.4MB in the beginning and 42.6MB in the end (delta: 8.8MB). Peak memory consumption was 116.1MB. Max. memory is 16.1GB. [2024-08-14 14:29:30,793 INFO L158 Benchmark]: TraceAbstraction took 1139.68ms. Allocated memory is still 195.0MB. Free memory was 42.6MB in the beginning and 97.3MB in the end (delta: -54.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:29:30,795 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 48.2MB. Free memory is still 28.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 69.2MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 890.13ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 44.8MB in the beginning and 47.9MB in the end (delta: -3.1MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 256.42ms. Allocated memory is still 92.3MB. Free memory was 47.9MB in the beginning and 51.4MB in the end (delta: -3.5MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * IcfgBuilder took 2705.34ms. Allocated memory was 92.3MB in the beginning and 195.0MB in the end (delta: 102.8MB). Free memory was 51.4MB in the beginning and 42.6MB in the end (delta: 8.8MB). Peak memory consumption was 116.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1139.68ms. Allocated memory is still 195.0MB. Free memory was 42.6MB in the beginning and 97.3MB in the end (delta: -54.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L32] const SORT_26 mask_SORT_26 = (SORT_26)-1 >> (sizeof(SORT_26) * 8 - 4); [L33] const SORT_26 msb_SORT_26 = (SORT_26)1 << (4 - 1); [L35] const SORT_165 mask_SORT_165 = (SORT_165)-1 >> (sizeof(SORT_165) * 8 - 32); [L36] const SORT_165 msb_SORT_165 = (SORT_165)1 << (32 - 1); [L38] const SORT_196 mask_SORT_196 = (SORT_196)-1 >> (sizeof(SORT_196) * 8 - 3); [L39] const SORT_196 msb_SORT_196 = (SORT_196)1 << (3 - 1); [L41] const SORT_1 var_11 = 0; [L42] const SORT_3 var_14 = 2; [L43] const SORT_1 var_29 = 1; [L44] const SORT_165 var_167 = 1; [L45] const SORT_3 var_250 = 0; [L46] const SORT_3 var_251 = 3; [L47] const SORT_165 var_260 = 0; [L48] const SORT_165 var_471 = 2; [L50] SORT_1 input_2; [L51] SORT_3 input_4; [L52] SORT_3 input_5; [L53] SORT_1 input_6; [L54] SORT_3 input_7; [L55] SORT_1 input_8; [L56] SORT_1 input_9; [L57] SORT_1 input_186; [L58] SORT_3 input_249; [L59] SORT_3 input_265; [L60] SORT_3 input_266; [L61] SORT_3 input_267; [L62] SORT_3 input_268; [L63] SORT_3 input_295; [L64] SORT_3 input_296; [L65] SORT_3 input_297; [L66] SORT_3 input_306; [L67] SORT_3 input_360; [L68] SORT_3 input_372; [L69] SORT_3 input_373; [L70] SORT_3 input_374; [L71] SORT_3 input_375; [L72] SORT_3 input_384; [L73] SORT_3 input_405; [L74] SORT_3 input_406; [L75] SORT_3 input_407; [L76] SORT_3 input_416; [L77] SORT_3 input_418; [L78] SORT_3 input_464; [L79] SORT_3 input_478; [L80] SORT_3 input_479; [L81] SORT_3 input_480; [L82] SORT_3 input_481; [L83] SORT_3 input_490; [L84] SORT_3 input_492; [L85] SORT_3 input_514; [L86] SORT_3 input_515; [L87] SORT_3 input_516; [L88] SORT_3 input_525; [L89] SORT_3 input_527; [L90] SORT_3 input_529; [L91] SORT_3 input_575; [L92] SORT_3 input_586; [L93] SORT_3 input_587; [L94] SORT_3 input_588; [L95] SORT_3 input_596; [L96] SORT_3 input_598; [L97] SORT_3 input_600; [L98] SORT_3 input_620; [L99] SORT_3 input_621; [L100] SORT_3 input_629; [L101] SORT_3 input_631; [L102] SORT_3 input_633; [L103] SORT_3 input_635; [L105] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] SORT_3 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L107] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L108] SORT_3 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L109] SORT_3 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L110] SORT_26 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_26; [L111] SORT_3 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L112] SORT_3 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L113] SORT_3 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L114] SORT_3 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L115] SORT_3 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L116] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L117] SORT_3 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L118] SORT_3 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L119] SORT_3 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L120] SORT_3 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L121] SORT_3 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L122] SORT_3 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L123] SORT_3 state_127 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L124] SORT_3 state_128 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L125] SORT_3 state_129 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L126] SORT_3 state_130 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L127] SORT_3 state_131 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L128] SORT_3 state_132 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L129] SORT_3 state_133 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L130] SORT_3 state_134 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L131] SORT_3 state_135 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L132] SORT_3 state_136 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L133] SORT_3 state_137 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L134] SORT_3 state_138 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L135] SORT_3 state_139 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L136] SORT_3 state_140 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L137] SORT_3 state_141 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L138] SORT_3 state_142 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L142] input_2 = __VERIFIER_nondet_uchar() [L143] input_2 = input_2 & mask_SORT_1 [L144] input_4 = __VERIFIER_nondet_uchar() [L145] input_5 = __VERIFIER_nondet_uchar() [L146] input_6 = __VERIFIER_nondet_uchar() [L147] input_7 = __VERIFIER_nondet_uchar() [L148] input_8 = __VERIFIER_nondet_uchar() [L149] input_9 = __VERIFIER_nondet_uchar() [L150] input_9 = input_9 & mask_SORT_1 [L151] input_186 = __VERIFIER_nondet_uchar() [L152] input_249 = __VERIFIER_nondet_uchar() [L153] input_265 = __VERIFIER_nondet_uchar() [L154] input_266 = __VERIFIER_nondet_uchar() [L155] input_267 = __VERIFIER_nondet_uchar() [L156] input_268 = __VERIFIER_nondet_uchar() [L157] input_295 = __VERIFIER_nondet_uchar() [L158] input_296 = __VERIFIER_nondet_uchar() [L159] input_297 = __VERIFIER_nondet_uchar() [L160] input_306 = __VERIFIER_nondet_uchar() [L161] input_360 = __VERIFIER_nondet_uchar() [L162] input_372 = __VERIFIER_nondet_uchar() [L163] input_373 = __VERIFIER_nondet_uchar() [L164] input_374 = __VERIFIER_nondet_uchar() [L165] input_375 = __VERIFIER_nondet_uchar() [L166] input_384 = __VERIFIER_nondet_uchar() [L167] input_405 = __VERIFIER_nondet_uchar() [L168] input_406 = __VERIFIER_nondet_uchar() [L169] input_407 = __VERIFIER_nondet_uchar() [L170] input_416 = __VERIFIER_nondet_uchar() [L171] input_418 = __VERIFIER_nondet_uchar() [L172] input_464 = __VERIFIER_nondet_uchar() [L173] input_478 = __VERIFIER_nondet_uchar() [L174] input_479 = __VERIFIER_nondet_uchar() [L175] input_480 = __VERIFIER_nondet_uchar() [L176] input_481 = __VERIFIER_nondet_uchar() [L177] input_490 = __VERIFIER_nondet_uchar() [L178] input_492 = __VERIFIER_nondet_uchar() [L179] input_514 = __VERIFIER_nondet_uchar() [L180] input_515 = __VERIFIER_nondet_uchar() [L181] input_516 = __VERIFIER_nondet_uchar() [L182] input_525 = __VERIFIER_nondet_uchar() [L183] input_527 = __VERIFIER_nondet_uchar() [L184] input_529 = __VERIFIER_nondet_uchar() [L185] input_575 = __VERIFIER_nondet_uchar() [L186] input_586 = __VERIFIER_nondet_uchar() [L187] input_587 = __VERIFIER_nondet_uchar() [L188] input_588 = __VERIFIER_nondet_uchar() [L189] input_596 = __VERIFIER_nondet_uchar() [L190] input_598 = __VERIFIER_nondet_uchar() [L191] input_600 = __VERIFIER_nondet_uchar() [L192] input_620 = __VERIFIER_nondet_uchar() [L193] input_621 = __VERIFIER_nondet_uchar() [L194] input_629 = __VERIFIER_nondet_uchar() [L195] input_631 = __VERIFIER_nondet_uchar() [L196] input_633 = __VERIFIER_nondet_uchar() [L197] input_635 = __VERIFIER_nondet_uchar() [L200] SORT_1 var_12_arg_0 = state_10; [L201] SORT_1 var_12_arg_1 = var_11; [L202] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L203] SORT_3 var_15_arg_0 = state_13; [L204] SORT_3 var_15_arg_1 = var_14; [L205] SORT_1 var_15 = var_15_arg_0 >= var_15_arg_1; [L206] SORT_3 var_17_arg_0 = state_16; [L207] SORT_3 var_17_arg_1 = var_14; [L208] SORT_1 var_17 = var_17_arg_0 >= var_17_arg_1; [L209] SORT_1 var_18_arg_0 = var_15; [L210] SORT_1 var_18_arg_1 = var_17; [L211] SORT_1 var_18 = var_18_arg_0 & var_18_arg_1; [L212] SORT_3 var_20_arg_0 = state_19; [L213] SORT_3 var_20_arg_1 = var_14; [L214] SORT_1 var_20 = var_20_arg_0 >= var_20_arg_1; [L215] SORT_1 var_21_arg_0 = var_18; [L216] SORT_1 var_21_arg_1 = var_20; [L217] SORT_1 var_21 = var_21_arg_0 & var_21_arg_1; [L218] SORT_3 var_23_arg_0 = state_22; [L219] SORT_3 var_23_arg_1 = var_14; [L220] SORT_1 var_23 = var_23_arg_0 >= var_23_arg_1; [L221] SORT_1 var_24_arg_0 = var_21; [L222] SORT_1 var_24_arg_1 = var_23; [L223] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L224] SORT_1 var_25_arg_0 = var_24; [L225] SORT_1 var_25 = ~var_25_arg_0; [L226] SORT_26 var_28_arg_0 = state_27; [L227] SORT_1 var_28 = var_28_arg_0 >> 3; [L228] var_28 = var_28 & mask_SORT_1 [L229] SORT_1 var_30_arg_0 = var_28; [L230] SORT_1 var_30_arg_1 = var_29; [L231] SORT_1 var_30 = var_30_arg_0 == var_30_arg_1; [L232] SORT_1 var_31_arg_0 = var_25; [L233] SORT_1 var_31_arg_1 = var_30; [L234] SORT_1 var_31 = var_31_arg_0 | var_31_arg_1; [L235] SORT_3 var_33_arg_0 = state_32; [L236] SORT_3 var_33_arg_1 = var_14; [L237] SORT_1 var_33 = var_33_arg_0 >= var_33_arg_1; [L238] SORT_3 var_35_arg_0 = state_34; [L239] SORT_3 var_35_arg_1 = var_14; [L240] SORT_1 var_35 = var_35_arg_0 >= var_35_arg_1; [L241] SORT_1 var_36_arg_0 = var_33; [L242] SORT_1 var_36_arg_1 = var_35; [L243] SORT_1 var_36 = var_36_arg_0 & var_36_arg_1; [L244] SORT_3 var_38_arg_0 = state_37; [L245] SORT_3 var_38_arg_1 = var_14; [L246] SORT_1 var_38 = var_38_arg_0 >= var_38_arg_1; [L247] SORT_1 var_39_arg_0 = var_36; [L248] SORT_1 var_39_arg_1 = var_38; [L249] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L250] SORT_3 var_41_arg_0 = state_40; [L251] SORT_3 var_41_arg_1 = var_14; [L252] SORT_1 var_41 = var_41_arg_0 >= var_41_arg_1; [L253] SORT_1 var_42_arg_0 = var_39; [L254] SORT_1 var_42_arg_1 = var_41; [L255] SORT_1 var_42 = var_42_arg_0 & var_42_arg_1; [L256] SORT_1 var_43_arg_0 = var_42; [L257] SORT_1 var_43 = ~var_43_arg_0; [L258] SORT_26 var_44_arg_0 = state_27; [L259] SORT_1 var_44 = var_44_arg_0 >> 2; [L260] var_44 = var_44 & mask_SORT_1 [L261] SORT_1 var_45_arg_0 = var_44; [L262] SORT_1 var_45_arg_1 = var_29; [L263] SORT_1 var_45 = var_45_arg_0 >= var_45_arg_1; [L264] SORT_1 var_46_arg_0 = var_43; [L265] SORT_1 var_46_arg_1 = var_45; [L266] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L267] SORT_1 var_47_arg_0 = var_31; [L268] SORT_1 var_47_arg_1 = var_46; [L269] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L270] SORT_3 var_49_arg_0 = state_48; [L271] SORT_3 var_49_arg_1 = var_14; [L272] SORT_1 var_49 = var_49_arg_0 >= var_49_arg_1; [L273] SORT_3 var_51_arg_0 = state_50; [L274] SORT_3 var_51_arg_1 = var_14; [L275] SORT_1 var_51 = var_51_arg_0 >= var_51_arg_1; [L276] SORT_1 var_52_arg_0 = var_49; [L277] SORT_1 var_52_arg_1 = var_51; [L278] SORT_1 var_52 = var_52_arg_0 & var_52_arg_1; [L279] SORT_3 var_54_arg_0 = state_53; [L280] SORT_3 var_54_arg_1 = var_14; [L281] SORT_1 var_54 = var_54_arg_0 >= var_54_arg_1; [L282] SORT_1 var_55_arg_0 = var_52; [L283] SORT_1 var_55_arg_1 = var_54; [L284] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L285] SORT_3 var_57_arg_0 = state_56; [L286] SORT_3 var_57_arg_1 = var_14; [L287] SORT_1 var_57 = var_57_arg_0 >= var_57_arg_1; [L288] SORT_1 var_58_arg_0 = var_55; [L289] SORT_1 var_58_arg_1 = var_57; [L290] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L291] SORT_1 var_59_arg_0 = var_58; [L292] SORT_1 var_59 = ~var_59_arg_0; [L293] SORT_26 var_60_arg_0 = state_27; [L294] SORT_1 var_60 = var_60_arg_0 >> 1; [L295] var_60 = var_60 & mask_SORT_1 [L296] SORT_1 var_61_arg_0 = var_60; [L297] SORT_1 var_61_arg_1 = var_29; [L298] SORT_1 var_61 = var_61_arg_0 >= var_61_arg_1; [L299] SORT_1 var_62_arg_0 = var_59; [L300] SORT_1 var_62_arg_1 = var_61; [L301] SORT_1 var_62 = var_62_arg_0 | var_62_arg_1; [L302] SORT_1 var_63_arg_0 = var_47; [L303] SORT_1 var_63_arg_1 = var_62; [L304] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L305] SORT_3 var_65_arg_0 = state_64; [L306] SORT_3 var_65_arg_1 = var_14; [L307] SORT_1 var_65 = var_65_arg_0 >= var_65_arg_1; [L308] SORT_3 var_67_arg_0 = state_66; [L309] SORT_3 var_67_arg_1 = var_14; [L310] SORT_1 var_67 = var_67_arg_0 >= var_67_arg_1; [L311] SORT_1 var_68_arg_0 = var_65; [L312] SORT_1 var_68_arg_1 = var_67; [L313] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L314] SORT_3 var_70_arg_0 = state_69; [L315] SORT_3 var_70_arg_1 = var_14; [L316] SORT_1 var_70 = var_70_arg_0 >= var_70_arg_1; [L317] SORT_1 var_71_arg_0 = var_68; [L318] SORT_1 var_71_arg_1 = var_70; [L319] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L320] SORT_3 var_73_arg_0 = state_72; [L321] SORT_3 var_73_arg_1 = var_14; [L322] SORT_1 var_73 = var_73_arg_0 >= var_73_arg_1; [L323] SORT_1 var_74_arg_0 = var_71; [L324] SORT_1 var_74_arg_1 = var_73; [L325] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L326] SORT_1 var_75_arg_0 = var_74; [L327] SORT_1 var_75 = ~var_75_arg_0; [L328] SORT_26 var_76_arg_0 = state_27; [L329] SORT_1 var_76 = var_76_arg_0 >> 0; [L330] var_76 = var_76 & mask_SORT_1 [L331] SORT_1 var_77_arg_0 = var_76; [L332] SORT_1 var_77_arg_1 = var_29; [L333] SORT_1 var_77 = var_77_arg_0 >= var_77_arg_1; [L334] SORT_1 var_78_arg_0 = var_75; [L335] SORT_1 var_78_arg_1 = var_77; [L336] SORT_1 var_78 = var_78_arg_0 | var_78_arg_1; [L337] SORT_1 var_79_arg_0 = var_63; [L338] SORT_1 var_79_arg_1 = var_78; [L339] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L340] SORT_3 var_80_arg_0 = state_13; [L341] SORT_3 var_80_arg_1 = var_14; [L342] SORT_1 var_80 = var_80_arg_0 >= var_80_arg_1; [L343] SORT_3 var_81_arg_0 = state_16; [L344] SORT_3 var_81_arg_1 = var_14; [L345] SORT_1 var_81 = var_81_arg_0 >= var_81_arg_1; [L346] SORT_1 var_82_arg_0 = var_80; [L347] SORT_1 var_82_arg_1 = var_81; [L348] SORT_1 var_82 = var_82_arg_0 | var_82_arg_1; [L349] SORT_3 var_83_arg_0 = state_19; [L350] SORT_3 var_83_arg_1 = var_14; [L351] SORT_1 var_83 = var_83_arg_0 >= var_83_arg_1; [L352] SORT_1 var_84_arg_0 = var_82; [L353] SORT_1 var_84_arg_1 = var_83; [L354] SORT_1 var_84 = var_84_arg_0 | var_84_arg_1; [L355] SORT_3 var_85_arg_0 = state_22; [L356] SORT_3 var_85_arg_1 = var_14; [L357] SORT_1 var_85 = var_85_arg_0 >= var_85_arg_1; [L358] SORT_1 var_86_arg_0 = var_84; [L359] SORT_1 var_86_arg_1 = var_85; [L360] SORT_1 var_86 = var_86_arg_0 | var_86_arg_1; [L361] SORT_1 var_87_arg_0 = var_28; [L362] SORT_1 var_87_arg_1 = var_11; [L363] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L364] SORT_1 var_88_arg_0 = var_86; [L365] SORT_1 var_88_arg_1 = var_87; [L366] SORT_1 var_88 = var_88_arg_0 | var_88_arg_1; [L367] SORT_1 var_89_arg_0 = var_79; [L368] SORT_1 var_89_arg_1 = var_88; [L369] SORT_1 var_89 = var_89_arg_0 & var_89_arg_1; [L370] SORT_3 var_90_arg_0 = state_32; [L371] SORT_3 var_90_arg_1 = var_14; [L372] SORT_1 var_90 = var_90_arg_0 >= var_90_arg_1; [L373] SORT_3 var_91_arg_0 = state_34; [L374] SORT_3 var_91_arg_1 = var_14; [L375] SORT_1 var_91 = var_91_arg_0 >= var_91_arg_1; [L376] SORT_1 var_92_arg_0 = var_90; [L377] SORT_1 var_92_arg_1 = var_91; [L378] SORT_1 var_92 = var_92_arg_0 | var_92_arg_1; [L379] SORT_3 var_93_arg_0 = state_37; [L380] SORT_3 var_93_arg_1 = var_14; [L381] SORT_1 var_93 = var_93_arg_0 >= var_93_arg_1; [L382] SORT_1 var_94_arg_0 = var_92; [L383] SORT_1 var_94_arg_1 = var_93; [L384] SORT_1 var_94 = var_94_arg_0 | var_94_arg_1; [L385] SORT_3 var_95_arg_0 = state_40; [L386] SORT_3 var_95_arg_1 = var_14; [L387] SORT_1 var_95 = var_95_arg_0 >= var_95_arg_1; [L388] SORT_1 var_96_arg_0 = var_94; [L389] SORT_1 var_96_arg_1 = var_95; [L390] SORT_1 var_96 = var_96_arg_0 | var_96_arg_1; [L391] SORT_1 var_97_arg_0 = var_44; [L392] SORT_1 var_97_arg_1 = var_11; [L393] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L394] SORT_1 var_98_arg_0 = var_96; [L395] SORT_1 var_98_arg_1 = var_97; [L396] SORT_1 var_98 = var_98_arg_0 | var_98_arg_1; [L397] SORT_1 var_99_arg_0 = var_89; [L398] SORT_1 var_99_arg_1 = var_98; [L399] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L400] SORT_3 var_100_arg_0 = state_48; [L401] SORT_3 var_100_arg_1 = var_14; [L402] SORT_1 var_100 = var_100_arg_0 >= var_100_arg_1; [L403] SORT_3 var_101_arg_0 = state_50; [L404] SORT_3 var_101_arg_1 = var_14; [L405] SORT_1 var_101 = var_101_arg_0 >= var_101_arg_1; [L406] SORT_1 var_102_arg_0 = var_100; [L407] SORT_1 var_102_arg_1 = var_101; [L408] SORT_1 var_102 = var_102_arg_0 | var_102_arg_1; [L409] SORT_3 var_103_arg_0 = state_53; [L410] SORT_3 var_103_arg_1 = var_14; [L411] SORT_1 var_103 = var_103_arg_0 >= var_103_arg_1; [L412] SORT_1 var_104_arg_0 = var_102; [L413] SORT_1 var_104_arg_1 = var_103; [L414] SORT_1 var_104 = var_104_arg_0 | var_104_arg_1; [L415] SORT_3 var_105_arg_0 = state_56; [L416] SORT_3 var_105_arg_1 = var_14; [L417] SORT_1 var_105 = var_105_arg_0 >= var_105_arg_1; [L418] SORT_1 var_106_arg_0 = var_104; [L419] SORT_1 var_106_arg_1 = var_105; [L420] SORT_1 var_106 = var_106_arg_0 | var_106_arg_1; [L421] SORT_1 var_107_arg_0 = var_60; [L422] SORT_1 var_107_arg_1 = var_11; [L423] SORT_1 var_107 = var_107_arg_0 == var_107_arg_1; [L424] SORT_1 var_108_arg_0 = var_106; [L425] SORT_1 var_108_arg_1 = var_107; [L426] SORT_1 var_108 = var_108_arg_0 | var_108_arg_1; [L427] SORT_1 var_109_arg_0 = var_99; [L428] SORT_1 var_109_arg_1 = var_108; [L429] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L430] SORT_3 var_110_arg_0 = state_64; [L431] SORT_3 var_110_arg_1 = var_14; [L432] SORT_1 var_110 = var_110_arg_0 >= var_110_arg_1; [L433] SORT_3 var_111_arg_0 = state_66; [L434] SORT_3 var_111_arg_1 = var_14; [L435] SORT_1 var_111 = var_111_arg_0 >= var_111_arg_1; [L436] SORT_1 var_112_arg_0 = var_110; [L437] SORT_1 var_112_arg_1 = var_111; [L438] SORT_1 var_112 = var_112_arg_0 | var_112_arg_1; [L439] SORT_3 var_113_arg_0 = state_69; [L440] SORT_3 var_113_arg_1 = var_14; [L441] SORT_1 var_113 = var_113_arg_0 >= var_113_arg_1; [L442] SORT_1 var_114_arg_0 = var_112; [L443] SORT_1 var_114_arg_1 = var_113; [L444] SORT_1 var_114 = var_114_arg_0 | var_114_arg_1; [L445] SORT_3 var_115_arg_0 = state_72; [L446] SORT_3 var_115_arg_1 = var_14; [L447] SORT_1 var_115 = var_115_arg_0 >= var_115_arg_1; [L448] SORT_1 var_116_arg_0 = var_114; [L449] SORT_1 var_116_arg_1 = var_115; [L450] SORT_1 var_116 = var_116_arg_0 | var_116_arg_1; [L451] SORT_1 var_117_arg_0 = var_76; [L452] SORT_1 var_117_arg_1 = var_11; [L453] SORT_1 var_117 = var_117_arg_0 == var_117_arg_1; [L454] SORT_1 var_118_arg_0 = var_116; [L455] SORT_1 var_118_arg_1 = var_117; [L456] SORT_1 var_118 = var_118_arg_0 | var_118_arg_1; [L457] SORT_1 var_119_arg_0 = var_109; [L458] SORT_1 var_119_arg_1 = var_118; [L459] SORT_1 var_119 = var_119_arg_0 & var_119_arg_1; [L460] SORT_1 var_120_arg_0 = var_12; [L461] SORT_1 var_120_arg_1 = var_119; [L462] SORT_1 var_120 = var_120_arg_0 | var_120_arg_1; [L463] SORT_1 var_123_arg_0 = var_120; [L464] SORT_1 var_123 = ~var_123_arg_0; [L465] SORT_1 var_124_arg_0 = var_29; [L466] SORT_1 var_124_arg_1 = var_123; [L467] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L468] var_124 = var_124 & mask_SORT_1 [L469] SORT_1 bad_125_arg_0 = var_124; VAL [bad_125_arg_0=1, input_2=0, input_9=0, mask_SORT_196=7, mask_SORT_1=1, mask_SORT_3=3, state_127=0, state_128=0, state_129=0, state_130=0, state_131=0, state_132=0, state_133=0, state_134=0, state_135=0, state_136=0, state_137=0, state_138=0, state_139=0, state_140=0, state_141=0, state_142=0, var_11=0, var_14=2, var_167=1, var_250=0, var_251=3, var_260=0, var_28=1, var_29=1, var_44=0, var_471=2, var_60=0, var_76=0] [L470] CALL __VERIFIER_assert(!(bad_125_arg_0)) VAL [\old(cond)=0] [L21] COND TRUE !(cond) VAL [\old(cond)=0] [L21] reach_error() VAL [\old(cond)=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-08-14 14:29:30,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE