./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.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_p4.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_p4.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/btor2c-lazyMod.vis_arrays_bpbs_p4.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 14:28:33,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:28:33,115 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-08-14 14:28:33,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:28:33,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:28:33,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:28:33,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:28:33,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:28:33,146 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:28:33,147 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:28:33,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:28:33,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:28:33,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:28:33,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:28:33,150 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:28:33,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:28:33,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:28:33,151 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:28:33,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:28:33,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:28:33,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:28:33,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:28:33,154 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:28:33,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:28:33,155 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:28:33,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:28:33,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:28:33,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:28:33,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:28:33,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:28:33,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:28:33,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:28:33,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:28:33,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:28:33,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:28:33,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:28:33,157 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:28:33,157 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:28:33,157 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:28:33,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:28:33,157 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:28:33,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:28:33,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:28:33,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:28:33,384 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:28:33,385 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:28:33,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c [2024-08-14 14:28:34,591 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:28:34,810 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:28:34,811 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c [2024-08-14 14:28:34,823 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4689bbd50/410a00ac3fde4391a652bc848fd53a53/FLAG6493c9fca [2024-08-14 14:28:35,148 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4689bbd50/410a00ac3fde4391a652bc848fd53a53 [2024-08-14 14:28:35,150 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:28:35,151 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:28:35,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/btor2c-lazyMod.vis_arrays_bpbs_p4.yml/witness.yml [2024-08-14 14:28:35,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:28:35,195 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:28:35,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:28:35,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:28:35,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:28:35,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:28:35" (1/2) ... [2024-08-14 14:28:35,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510ce67b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:28:35, skipping insertion in model container [2024-08-14 14:28:35,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:28:35" (1/2) ... [2024-08-14 14:28:35,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45e79702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:28:35, skipping insertion in model container [2024-08-14 14:28:35,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:28:35" (2/2) ... [2024-08-14 14:28:35,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510ce67b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:28:35, skipping insertion in model container [2024-08-14 14:28:35,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:28:35" (2/2) ... [2024-08-14 14:28:35,249 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:28:35,425 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_p4.c[1258,1271] [2024-08-14 14:28:35,692 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:28:35,701 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:28:35,710 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_p4.c[1258,1271] [2024-08-14 14:28:35,827 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:28:35,845 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:28:35,846 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:28:35 WrapperNode [2024-08-14 14:28:35,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:28:35,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:28:35,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:28:35,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:28:35,857 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 02:28:35" (1/1) ... [2024-08-14 14:28:35,857 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 02:28:35" (1/1) ... [2024-08-14 14:28:35,902 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 02:28:35" (1/1) ... [2024-08-14 14:28:35,964 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 14:28:35,964 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 02:28:35" (1/1) ... [2024-08-14 14:28:35,964 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 02:28:35" (1/1) ... [2024-08-14 14:28:36,019 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 02:28:35" (1/1) ... [2024-08-14 14:28:36,031 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 02:28:35" (1/1) ... [2024-08-14 14:28:36,043 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 02:28:35" (1/1) ... [2024-08-14 14:28:36,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:28:36,065 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:28:36,065 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:28:36,065 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:28:36,065 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 02:28:35" (1/1) ... [2024-08-14 14:28:36,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:28:36,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:28:36,095 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 14:28:36,097 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 14:28:36,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:28:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:28:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:28:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:28:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:28:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:28:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2024-08-14 14:28:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2024-08-14 14:28:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:28:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:28:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:28:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:28:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:28:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:28:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:28:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:28:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:28:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:28:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:28:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:28:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:28:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:28:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:28:36,444 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:28:36,448 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:28:40,317 INFO L? ?]: Removed 2167 outVars from TransFormulas that were not future-live. [2024-08-14 14:28:40,317 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:28:40,335 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:28:40,335 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:28:40,335 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:28:40 BoogieIcfgContainer [2024-08-14 14:28:40,336 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:28:40,337 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:28:40,337 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:28:40,344 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:28:40,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:28:35" (1/4) ... [2024-08-14 14:28:40,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208ffb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:28:40, skipping insertion in model container [2024-08-14 14:28:40,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:28:35" (2/4) ... [2024-08-14 14:28:40,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208ffb70 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:28:40, skipping insertion in model container [2024-08-14 14:28:40,345 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 02:28:35" (3/4) ... [2024-08-14 14:28:40,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208ffb70 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:28:40, skipping insertion in model container [2024-08-14 14:28:40,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:28:40" (4/4) ... [2024-08-14 14:28:40,348 INFO L119 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_bpbs_p4.c [2024-08-14 14:28:40,348 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:28:40,363 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:28:40,363 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:28:40,390 INFO L92 WitnessUtils]: Constructing product of automaton with 630 states and violation witness of the following lengths: [3] [2024-08-14 14:28:40,401 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 630 states, 622 states have (on average 1.657556270096463) internal successors, (1031), 623 states have internal predecessors, (1031), 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 14:28:40,865 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 1244 states to 1229 states. [2024-08-14 14:28:40,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:28:40,887 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;@3505021b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:28:40,888 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:28:40,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states. [2024-08-14 14:28:40,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-08-14 14:28:40,893 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:40,894 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] [2024-08-14 14:28:40,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:40,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:40,898 INFO L85 PathProgramCache]: Analyzing trace with hash 717959132, now seen corresponding path program 1 times [2024-08-14 14:28:40,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:40,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597115161] [2024-08-14 14:28:40,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:40,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:41,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:41,562 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 14:28:41,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:41,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597115161] [2024-08-14 14:28:41,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597115161] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:41,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:41,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 14:28:41,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104262117] [2024-08-14 14:28:41,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:41,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 14:28:41,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:41,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 14:28:41,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:28:41,596 INFO L87 Difference]: Start difference. First operand 1229 states. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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 14:28:41,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:41,749 INFO L93 Difference]: Finished difference Result 1193 states and 1973 transitions. [2024-08-14 14:28:41,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 14:28:41,751 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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 69 [2024-08-14 14:28:41,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:41,755 INFO L225 Difference]: With dead ends: 1193 [2024-08-14 14:28:41,755 INFO L226 Difference]: Without dead ends: 1193 [2024-08-14 14:28:41,758 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 14:28:41,761 INFO L413 NwaCegarLoop]: 1026 mSDtfsCounter, 873 mSDsluCounter, 4100 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 5126 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 14:28:41,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 5126 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:41,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-08-14 14:28:41,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 630. [2024-08-14 14:28:41,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 622 states have (on average 1.6543408360128617) internal successors, (1029), 623 states have internal predecessors, (1029), 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 14:28:41,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 1036 transitions. [2024-08-14 14:28:41,830 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 1036 transitions. Word has length 69 [2024-08-14 14:28:41,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:41,830 INFO L495 AbstractCegarLoop]: Abstraction has 630 states and 1036 transitions. [2024-08-14 14:28:41,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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 14:28:41,830 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1036 transitions. [2024-08-14 14:28:41,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-08-14 14:28:41,835 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:41,835 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] [2024-08-14 14:28:41,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:28:41,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:41,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:41,837 INFO L85 PathProgramCache]: Analyzing trace with hash -941925650, now seen corresponding path program 1 times [2024-08-14 14:28:41,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:41,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306831781] [2024-08-14 14:28:41,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:41,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:42,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:42,068 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 14:28:42,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:42,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306831781] [2024-08-14 14:28:42,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306831781] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:42,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:42,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 14:28:42,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206235942] [2024-08-14 14:28:42,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:42,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 14:28:42,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:42,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 14:28:42,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 14:28:42,076 INFO L87 Difference]: Start difference. First operand 630 states and 1036 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 14:28:42,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:42,099 INFO L93 Difference]: Finished difference Result 632 states and 1038 transitions. [2024-08-14 14:28:42,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 14:28:42,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 70 [2024-08-14 14:28:42,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:42,102 INFO L225 Difference]: With dead ends: 632 [2024-08-14 14:28:42,102 INFO L226 Difference]: Without dead ends: 632 [2024-08-14 14:28:42,102 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 14:28:42,103 INFO L413 NwaCegarLoop]: 1028 mSDtfsCounter, 0 mSDsluCounter, 2049 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3077 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 14:28:42,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3077 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:42,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-08-14 14:28:42,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2024-08-14 14:28:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 624 states have (on average 1.6522435897435896) internal successors, (1031), 625 states have internal predecessors, (1031), 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 14:28:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 1038 transitions. [2024-08-14 14:28:42,123 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 1038 transitions. Word has length 70 [2024-08-14 14:28:42,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:42,123 INFO L495 AbstractCegarLoop]: Abstraction has 632 states and 1038 transitions. [2024-08-14 14:28:42,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 14:28:42,123 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1038 transitions. [2024-08-14 14:28:42,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-08-14 14:28:42,124 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:42,124 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] [2024-08-14 14:28:42,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-14 14:28:42,125 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:42,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:42,125 INFO L85 PathProgramCache]: Analyzing trace with hash 87078169, now seen corresponding path program 1 times [2024-08-14 14:28:42,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:42,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529309642] [2024-08-14 14:28:42,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:42,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:42,392 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 14:28:42,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:42,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529309642] [2024-08-14 14:28:42,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529309642] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:42,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:42,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 14:28:42,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278673231] [2024-08-14 14:28:42,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:42,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 14:28:42,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:42,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 14:28:42,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 14:28:42,396 INFO L87 Difference]: Start difference. First operand 632 states and 1038 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 14:28:42,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:42,436 INFO L93 Difference]: Finished difference Result 634 states and 1040 transitions. [2024-08-14 14:28:42,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 14:28:42,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 71 [2024-08-14 14:28:42,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:42,438 INFO L225 Difference]: With dead ends: 634 [2024-08-14 14:28:42,440 INFO L226 Difference]: Without dead ends: 634 [2024-08-14 14:28:42,440 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 14:28:42,440 INFO L413 NwaCegarLoop]: 1028 mSDtfsCounter, 0 mSDsluCounter, 2049 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3077 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 14:28:42,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3077 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:42,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-08-14 14:28:42,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2024-08-14 14:28:42,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 626 states have (on average 1.6501597444089458) internal successors, (1033), 627 states have internal predecessors, (1033), 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 14:28:42,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 1040 transitions. [2024-08-14 14:28:42,453 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 1040 transitions. Word has length 71 [2024-08-14 14:28:42,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:42,454 INFO L495 AbstractCegarLoop]: Abstraction has 634 states and 1040 transitions. [2024-08-14 14:28:42,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 14:28:42,454 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1040 transitions. [2024-08-14 14:28:42,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-08-14 14:28:42,457 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:42,457 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] [2024-08-14 14:28:42,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-14 14:28:42,457 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:42,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:42,458 INFO L85 PathProgramCache]: Analyzing trace with hash -301055951, now seen corresponding path program 1 times [2024-08-14 14:28:42,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:42,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919710451] [2024-08-14 14:28:42,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:42,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:42,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:42,680 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 14:28:42,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:42,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919710451] [2024-08-14 14:28:42,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919710451] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:42,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:42,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 14:28:42,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843758418] [2024-08-14 14:28:42,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:42,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 14:28:42,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:42,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 14:28:42,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:28:42,685 INFO L87 Difference]: Start difference. First operand 634 states and 1040 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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 14:28:42,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:42,721 INFO L93 Difference]: Finished difference Result 639 states and 1047 transitions. [2024-08-14 14:28:42,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 14:28:42,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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 72 [2024-08-14 14:28:42,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:42,724 INFO L225 Difference]: With dead ends: 639 [2024-08-14 14:28:42,724 INFO L226 Difference]: Without dead ends: 639 [2024-08-14 14:28:42,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:28:42,726 INFO L413 NwaCegarLoop]: 1027 mSDtfsCounter, 3 mSDsluCounter, 3073 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4100 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:42,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4100 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:42,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2024-08-14 14:28:42,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 639. [2024-08-14 14:28:42,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 631 states have (on average 1.6481774960380349) internal successors, (1040), 632 states have internal predecessors, (1040), 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 14:28:42,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 1047 transitions. [2024-08-14 14:28:42,738 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 1047 transitions. Word has length 72 [2024-08-14 14:28:42,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:42,739 INFO L495 AbstractCegarLoop]: Abstraction has 639 states and 1047 transitions. [2024-08-14 14:28:42,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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 14:28:42,739 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1047 transitions. [2024-08-14 14:28:42,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-08-14 14:28:42,742 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:42,742 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] [2024-08-14 14:28:42,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-14 14:28:42,742 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:42,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:42,743 INFO L85 PathProgramCache]: Analyzing trace with hash -479649965, now seen corresponding path program 1 times [2024-08-14 14:28:42,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:42,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070970135] [2024-08-14 14:28:42,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:42,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:42,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:42,901 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 14:28:42,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:42,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070970135] [2024-08-14 14:28:42,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070970135] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:42,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:42,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 14:28:42,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040281496] [2024-08-14 14:28:42,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:42,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 14:28:42,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:42,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 14:28:42,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:28:42,905 INFO L87 Difference]: Start difference. First operand 639 states and 1047 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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 14:28:42,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:42,937 INFO L93 Difference]: Finished difference Result 644 states and 1054 transitions. [2024-08-14 14:28:42,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 14:28:42,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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 73 [2024-08-14 14:28:42,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:42,940 INFO L225 Difference]: With dead ends: 644 [2024-08-14 14:28:42,941 INFO L226 Difference]: Without dead ends: 644 [2024-08-14 14:28:42,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-08-14 14:28:42,942 INFO L413 NwaCegarLoop]: 1027 mSDtfsCounter, 3 mSDsluCounter, 3073 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4100 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:42,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4100 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:42,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-08-14 14:28:42,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 644. [2024-08-14 14:28:42,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 636 states have (on average 1.6462264150943395) internal successors, (1047), 637 states have internal predecessors, (1047), 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 14:28:42,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 1054 transitions. [2024-08-14 14:28:42,952 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 1054 transitions. Word has length 73 [2024-08-14 14:28:42,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:42,953 INFO L495 AbstractCegarLoop]: Abstraction has 644 states and 1054 transitions. [2024-08-14 14:28:42,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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 14:28:42,953 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1054 transitions. [2024-08-14 14:28:42,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-08-14 14:28:42,955 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:42,955 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] [2024-08-14 14:28:42,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-14 14:28:42,955 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:42,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:42,955 INFO L85 PathProgramCache]: Analyzing trace with hash 783174678, now seen corresponding path program 1 times [2024-08-14 14:28:42,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:42,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250025720] [2024-08-14 14:28:42,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:42,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:43,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:43,126 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 14:28:43,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:43,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250025720] [2024-08-14 14:28:43,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250025720] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:43,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:43,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 14:28:43,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072528869] [2024-08-14 14:28:43,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:43,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 14:28:43,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:43,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 14:28:43,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:28:43,128 INFO L87 Difference]: Start difference. First operand 644 states and 1054 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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 14:28:43,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:43,164 INFO L93 Difference]: Finished difference Result 649 states and 1061 transitions. [2024-08-14 14:28:43,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 14:28:43,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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 74 [2024-08-14 14:28:43,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:43,167 INFO L225 Difference]: With dead ends: 649 [2024-08-14 14:28:43,167 INFO L226 Difference]: Without dead ends: 649 [2024-08-14 14:28:43,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 14:28:43,167 INFO L413 NwaCegarLoop]: 1027 mSDtfsCounter, 3 mSDsluCounter, 3073 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4100 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:43,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4100 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:28:43,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2024-08-14 14:28:43,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 649. [2024-08-14 14:28:43,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 641 states have (on average 1.6443057722308891) internal successors, (1054), 642 states have internal predecessors, (1054), 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 14:28:43,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 1061 transitions. [2024-08-14 14:28:43,179 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 1061 transitions. Word has length 74 [2024-08-14 14:28:43,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:43,179 INFO L495 AbstractCegarLoop]: Abstraction has 649 states and 1061 transitions. [2024-08-14 14:28:43,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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 14:28:43,179 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1061 transitions. [2024-08-14 14:28:43,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-08-14 14:28:43,180 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:43,180 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] [2024-08-14 14:28:43,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-14 14:28:43,180 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:43,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:43,181 INFO L85 PathProgramCache]: Analyzing trace with hash -2074614484, now seen corresponding path program 1 times [2024-08-14 14:28:43,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:43,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976137472] [2024-08-14 14:28:43,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:43,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:43,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:43,598 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 14:28:43,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:43,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976137472] [2024-08-14 14:28:43,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976137472] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:43,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:43,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-14 14:28:43,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213472281] [2024-08-14 14:28:43,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:43,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-14 14:28:43,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:43,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-14 14:28:43,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-08-14 14:28:43,600 INFO L87 Difference]: Start difference. First operand 649 states and 1061 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 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 14:28:43,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:43,705 INFO L93 Difference]: Finished difference Result 752 states and 1223 transitions. [2024-08-14 14:28:43,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 14:28:43,705 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 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 75 [2024-08-14 14:28:43,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:43,707 INFO L225 Difference]: With dead ends: 752 [2024-08-14 14:28:43,707 INFO L226 Difference]: Without dead ends: 752 [2024-08-14 14:28:43,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-08-14 14:28:43,708 INFO L413 NwaCegarLoop]: 1059 mSDtfsCounter, 1141 mSDsluCounter, 5242 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1143 SdHoareTripleChecker+Valid, 6301 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:43,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1143 Valid, 6301 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-14 14:28:43,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2024-08-14 14:28:43,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 709. [2024-08-14 14:28:43,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709 states, 701 states have (on average 1.6433666191155492) internal successors, (1152), 702 states have internal predecessors, (1152), 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 14:28:43,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 1159 transitions. [2024-08-14 14:28:43,719 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 1159 transitions. Word has length 75 [2024-08-14 14:28:43,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:43,719 INFO L495 AbstractCegarLoop]: Abstraction has 709 states and 1159 transitions. [2024-08-14 14:28:43,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 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 14:28:43,719 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1159 transitions. [2024-08-14 14:28:43,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-08-14 14:28:43,720 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:43,720 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] [2024-08-14 14:28:43,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-14 14:28:43,720 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:43,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:43,721 INFO L85 PathProgramCache]: Analyzing trace with hash 168322703, now seen corresponding path program 1 times [2024-08-14 14:28:43,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:43,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171391941] [2024-08-14 14:28:43,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:43,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:44,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:28:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:28:44,362 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 14:28:44,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:28:44,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171391941] [2024-08-14 14:28:44,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171391941] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:28:44,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:28:44,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-08-14 14:28:44,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305120805] [2024-08-14 14:28:44,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:28:44,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-08-14 14:28:44,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:28:44,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-08-14 14:28:44,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-08-14 14:28:44,363 INFO L87 Difference]: Start difference. First operand 709 states and 1159 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 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 14:28:44,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:28:44,493 INFO L93 Difference]: Finished difference Result 715 states and 1168 transitions. [2024-08-14 14:28:44,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 14:28:44,494 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 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 76 [2024-08-14 14:28:44,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:28:44,496 INFO L225 Difference]: With dead ends: 715 [2024-08-14 14:28:44,496 INFO L226 Difference]: Without dead ends: 715 [2024-08-14 14:28:44,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-08-14 14:28:44,497 INFO L413 NwaCegarLoop]: 1027 mSDtfsCounter, 7 mSDsluCounter, 7165 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 8192 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-14 14:28:44,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 8192 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-14 14:28:44,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2024-08-14 14:28:44,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 715. [2024-08-14 14:28:44,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 715 states, 707 states have (on average 1.6421499292786421) internal successors, (1161), 708 states have internal predecessors, (1161), 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 14:28:44,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 1168 transitions. [2024-08-14 14:28:44,507 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 1168 transitions. Word has length 76 [2024-08-14 14:28:44,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:28:44,507 INFO L495 AbstractCegarLoop]: Abstraction has 715 states and 1168 transitions. [2024-08-14 14:28:44,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 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 14:28:44,508 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1168 transitions. [2024-08-14 14:28:44,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-08-14 14:28:44,508 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:44,508 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] [2024-08-14 14:28:44,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-14 14:28:44,508 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:44,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:44,509 INFO L85 PathProgramCache]: Analyzing trace with hash -2088588304, now seen corresponding path program 1 times [2024-08-14 14:28:44,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:28:44,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017322972] [2024-08-14 14:28:44,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:44,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:28:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:28:44,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:28:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:28:44,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:28:44,654 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:28:44,655 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:28:44,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-08-14 14:28:44,659 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:44,662 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:28:44,719 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:28:44 BoogieIcfgContainer [2024-08-14 14:28:44,719 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:28:44,719 INFO L158 Benchmark]: Toolchain (without parser) took 9524.78ms. Allocated memory was 159.4MB in the beginning and 494.9MB in the end (delta: 335.5MB). Free memory was 83.6MB in the beginning and 146.2MB in the end (delta: -62.6MB). Peak memory consumption was 273.3MB. Max. memory is 16.1GB. [2024-08-14 14:28:44,719 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 159.4MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:28:44,720 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 159.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:28:44,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 650.78ms. Allocated memory was 159.4MB in the beginning and 220.2MB in the end (delta: 60.8MB). Free memory was 83.3MB in the beginning and 134.6MB in the end (delta: -51.3MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-08-14 14:28:44,720 INFO L158 Benchmark]: Boogie Preprocessor took 216.37ms. Allocated memory is still 220.2MB. Free memory was 134.6MB in the beginning and 108.4MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-08-14 14:28:44,720 INFO L158 Benchmark]: IcfgBuilder took 4270.98ms. Allocated memory was 220.2MB in the beginning and 411.0MB in the end (delta: 190.8MB). Free memory was 108.4MB in the beginning and 123.1MB in the end (delta: -14.7MB). Peak memory consumption was 187.7MB. Max. memory is 16.1GB. [2024-08-14 14:28:44,721 INFO L158 Benchmark]: TraceAbstraction took 4382.19ms. Allocated memory was 411.0MB in the beginning and 494.9MB in the end (delta: 83.9MB). Free memory was 123.1MB in the beginning and 146.2MB in the end (delta: -23.1MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-08-14 14:28:44,722 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 159.4MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 159.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 650.78ms. Allocated memory was 159.4MB in the beginning and 220.2MB in the end (delta: 60.8MB). Free memory was 83.3MB in the beginning and 134.6MB in the end (delta: -51.3MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 216.37ms. Allocated memory is still 220.2MB. Free memory was 134.6MB in the beginning and 108.4MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * IcfgBuilder took 4270.98ms. Allocated memory was 220.2MB in the beginning and 411.0MB in the end (delta: 190.8MB). Free memory was 108.4MB in the beginning and 123.1MB in the end (delta: -14.7MB). Peak memory consumption was 187.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4382.19ms. Allocated memory was 411.0MB in the beginning and 494.9MB in the end (delta: 83.9MB). Free memory was 123.1MB in the beginning and 146.2MB in the end (delta: -23.1MB). Peak memory consumption was 60.8MB. 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 105. 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_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 4); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (4 - 1); [L35] const SORT_66 mask_SORT_66 = (SORT_66)-1 >> (sizeof(SORT_66) * 8 - 32); [L36] const SORT_66 msb_SORT_66 = (SORT_66)1 << (32 - 1); [L38] const SORT_100 mask_SORT_100 = (SORT_100)-1 >> (sizeof(SORT_100) * 8 - 3); [L39] const SORT_100 msb_SORT_100 = (SORT_100)1 << (3 - 1); [L41] const SORT_10 var_12 = 15; [L42] const SORT_1 var_16 = 1; [L43] const SORT_3 var_22 = 0; [L44] const SORT_1 var_25 = 0; [L45] const SORT_66 var_68 = 1; [L46] const SORT_3 var_106 = 3; [L47] const SORT_66 var_115 = 2; [L48] const SORT_66 var_122 = 0; [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_90; [L58] SORT_3 input_105; [L59] SORT_3 input_127; [L60] SORT_3 input_128; [L61] SORT_3 input_129; [L62] SORT_3 input_137; [L63] SORT_3 input_139; [L64] SORT_3 input_141; [L65] SORT_3 input_167; [L66] SORT_3 input_168; [L67] SORT_3 input_176; [L68] SORT_3 input_178; [L69] SORT_3 input_180; [L70] SORT_3 input_182; [L71] SORT_3 input_236; [L72] SORT_3 input_245; [L73] SORT_3 input_246; [L74] SORT_3 input_247; [L75] SORT_3 input_248; [L76] SORT_3 input_273; [L77] SORT_3 input_274; [L78] SORT_3 input_275; [L79] SORT_3 input_284; [L80] SORT_3 input_330; [L81] SORT_3 input_340; [L82] SORT_3 input_341; [L83] SORT_3 input_342; [L84] SORT_3 input_343; [L85] SORT_3 input_352; [L86] SORT_3 input_371; [L87] SORT_3 input_372; [L88] SORT_3 input_373; [L89] SORT_3 input_382; [L90] SORT_3 input_384; [L91] SORT_3 input_430; [L92] SORT_3 input_441; [L93] SORT_3 input_442; [L94] SORT_3 input_443; [L95] SORT_3 input_444; [L96] SORT_3 input_453; [L97] SORT_3 input_455; [L98] SORT_3 input_475; [L99] SORT_3 input_476; [L100] SORT_3 input_477; [L101] SORT_3 input_486; [L102] SORT_3 input_488; [L103] SORT_3 input_490; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_10 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_10 [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_10 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L105] SORT_10 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L106] SORT_3 state_14 = __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_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L107] SORT_3 state_15 = __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_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L108] SORT_3 state_18 = __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_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L109] SORT_3 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L110] SORT_3 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L111] SORT_3 state_49 = __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_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L112] SORT_3 state_50 = __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_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L113] SORT_3 state_51 = __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_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L114] SORT_3 state_52 = __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_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L115] SORT_3 state_53 = __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_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L116] SORT_3 state_54 = __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_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L117] SORT_3 state_55 = __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_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [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_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L119] SORT_3 state_57 = __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_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L120] SORT_3 state_58 = __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_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L121] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L125] input_2 = __VERIFIER_nondet_uchar() [L126] EXPR input_2 & mask_SORT_1 [L126] EXPR input_2 & mask_SORT_1 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L126] input_2 = input_2 & mask_SORT_1 [L127] input_4 = __VERIFIER_nondet_uchar() [L128] input_5 = __VERIFIER_nondet_uchar() [L129] input_6 = __VERIFIER_nondet_uchar() [L130] input_7 = __VERIFIER_nondet_uchar() [L131] input_8 = __VERIFIER_nondet_uchar() [L132] input_9 = __VERIFIER_nondet_uchar() [L133] EXPR input_9 & mask_SORT_1 [L133] EXPR input_9 & mask_SORT_1 VAL [input_2=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L133] input_9 = input_9 & mask_SORT_1 [L134] input_90 = __VERIFIER_nondet_uchar() [L135] input_105 = __VERIFIER_nondet_uchar() [L136] input_127 = __VERIFIER_nondet_uchar() [L137] input_128 = __VERIFIER_nondet_uchar() [L138] input_129 = __VERIFIER_nondet_uchar() [L139] input_137 = __VERIFIER_nondet_uchar() [L140] input_139 = __VERIFIER_nondet_uchar() [L141] input_141 = __VERIFIER_nondet_uchar() [L142] input_167 = __VERIFIER_nondet_uchar() [L143] input_168 = __VERIFIER_nondet_uchar() [L144] input_176 = __VERIFIER_nondet_uchar() [L145] input_178 = __VERIFIER_nondet_uchar() [L146] input_180 = __VERIFIER_nondet_uchar() [L147] input_182 = __VERIFIER_nondet_uchar() [L148] input_236 = __VERIFIER_nondet_uchar() [L149] input_245 = __VERIFIER_nondet_uchar() [L150] input_246 = __VERIFIER_nondet_uchar() [L151] input_247 = __VERIFIER_nondet_uchar() [L152] input_248 = __VERIFIER_nondet_uchar() [L153] input_273 = __VERIFIER_nondet_uchar() [L154] input_274 = __VERIFIER_nondet_uchar() [L155] input_275 = __VERIFIER_nondet_uchar() [L156] input_284 = __VERIFIER_nondet_uchar() [L157] input_330 = __VERIFIER_nondet_uchar() [L158] input_340 = __VERIFIER_nondet_uchar() [L159] input_341 = __VERIFIER_nondet_uchar() [L160] input_342 = __VERIFIER_nondet_uchar() [L161] input_343 = __VERIFIER_nondet_uchar() [L162] input_352 = __VERIFIER_nondet_uchar() [L163] input_371 = __VERIFIER_nondet_uchar() [L164] input_372 = __VERIFIER_nondet_uchar() [L165] input_373 = __VERIFIER_nondet_uchar() [L166] input_382 = __VERIFIER_nondet_uchar() [L167] input_384 = __VERIFIER_nondet_uchar() [L168] input_430 = __VERIFIER_nondet_uchar() [L169] input_441 = __VERIFIER_nondet_uchar() [L170] input_442 = __VERIFIER_nondet_uchar() [L171] input_443 = __VERIFIER_nondet_uchar() [L172] input_444 = __VERIFIER_nondet_uchar() [L173] input_453 = __VERIFIER_nondet_uchar() [L174] input_455 = __VERIFIER_nondet_uchar() [L175] input_475 = __VERIFIER_nondet_uchar() [L176] input_476 = __VERIFIER_nondet_uchar() [L177] input_477 = __VERIFIER_nondet_uchar() [L178] input_486 = __VERIFIER_nondet_uchar() [L179] input_488 = __VERIFIER_nondet_uchar() [L180] input_490 = __VERIFIER_nondet_uchar() [L183] SORT_10 var_13_arg_0 = state_11; [L184] SORT_10 var_13_arg_1 = var_12; [L185] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L186] SORT_1 var_20_arg_0 = var_16; [L187] SORT_3 var_20_arg_1 = state_19; [L188] SORT_3 var_20_arg_2 = state_18; [L189] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L190] SORT_1 var_17_arg_0 = var_16; [L191] SORT_3 var_17_arg_1 = state_15; [L192] SORT_3 var_17_arg_2 = state_14; [L193] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L194] SORT_1 var_21_arg_0 = var_16; [L195] SORT_3 var_21_arg_1 = var_20; [L196] SORT_3 var_21_arg_2 = var_17; [L197] SORT_3 var_21 = var_21_arg_0 ? var_21_arg_1 : var_21_arg_2; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_13=1, var_16=1, var_21=0, var_22=0, var_25=0, var_68=1] [L198] EXPR var_21 & mask_SORT_3 [L198] EXPR var_21 & mask_SORT_3 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_13=1, var_16=1, var_22=0, var_25=0, var_68=1] [L198] var_21 = var_21 & mask_SORT_3 [L199] SORT_3 var_23_arg_0 = var_21; [L200] SORT_3 var_23_arg_1 = var_22; [L201] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L202] SORT_1 var_24_arg_0 = var_13; [L203] SORT_1 var_24_arg_1 = var_23; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_24_arg_0=1, var_24_arg_1=1, var_25=0, var_68=1] [L204] EXPR var_24_arg_0 & var_24_arg_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_24_arg_0=1, var_24_arg_1=1, var_25=0, var_68=1] [L204] EXPR var_24_arg_0 & var_24_arg_1 [L204] EXPR var_24_arg_0 & var_24_arg_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L204] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L205] SORT_1 var_27_arg_0 = var_25; [L206] SORT_3 var_27_arg_1 = state_19; [L207] SORT_3 var_27_arg_2 = state_18; [L208] SORT_3 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L209] SORT_1 var_26_arg_0 = var_25; [L210] SORT_3 var_26_arg_1 = state_15; [L211] SORT_3 var_26_arg_2 = state_14; [L212] SORT_3 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L213] SORT_1 var_28_arg_0 = var_16; [L214] SORT_3 var_28_arg_1 = var_27; [L215] SORT_3 var_28_arg_2 = var_26; [L216] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_24=1, var_25=0, var_28=0, var_68=1] [L217] EXPR var_28 & mask_SORT_3 [L217] EXPR var_28 & mask_SORT_3 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_24=1, var_25=0, var_68=1] [L217] var_28 = var_28 & mask_SORT_3 [L218] SORT_3 var_29_arg_0 = var_28; [L219] SORT_3 var_29_arg_1 = var_22; [L220] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L221] SORT_1 var_30_arg_0 = var_24; [L222] SORT_1 var_30_arg_1 = var_29; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_30_arg_0=1, var_30_arg_1=1, var_68=1] [L223] EXPR var_30_arg_0 & var_30_arg_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_30_arg_0=1, var_30_arg_1=1, var_68=1] [L223] EXPR var_30_arg_0 & var_30_arg_1 [L223] EXPR var_30_arg_0 & var_30_arg_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L223] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L224] SORT_1 var_32_arg_0 = var_16; [L225] SORT_3 var_32_arg_1 = state_19; [L226] SORT_3 var_32_arg_2 = state_18; [L227] SORT_3 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L228] SORT_1 var_31_arg_0 = var_16; [L229] SORT_3 var_31_arg_1 = state_15; [L230] SORT_3 var_31_arg_2 = state_14; [L231] SORT_3 var_31 = var_31_arg_0 ? var_31_arg_1 : var_31_arg_2; [L232] SORT_1 var_33_arg_0 = var_25; [L233] SORT_3 var_33_arg_1 = var_32; [L234] SORT_3 var_33_arg_2 = var_31; [L235] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_30=1, var_33=0, var_68=1] [L236] EXPR var_33 & mask_SORT_3 [L236] EXPR var_33 & mask_SORT_3 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_30=1, var_68=1] [L236] var_33 = var_33 & mask_SORT_3 [L237] SORT_3 var_34_arg_0 = var_33; [L238] SORT_3 var_34_arg_1 = var_22; [L239] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L240] SORT_1 var_35_arg_0 = var_30; [L241] SORT_1 var_35_arg_1 = var_34; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_35_arg_0=1, var_35_arg_1=1, var_68=1] [L242] EXPR var_35_arg_0 & var_35_arg_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_35_arg_0=1, var_35_arg_1=1, var_68=1] [L242] EXPR var_35_arg_0 & var_35_arg_1 [L242] EXPR var_35_arg_0 & var_35_arg_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L242] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L243] SORT_1 var_37_arg_0 = var_25; [L244] SORT_3 var_37_arg_1 = state_19; [L245] SORT_3 var_37_arg_2 = state_18; [L246] SORT_3 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L247] SORT_1 var_36_arg_0 = var_25; [L248] SORT_3 var_36_arg_1 = state_15; [L249] SORT_3 var_36_arg_2 = state_14; [L250] SORT_3 var_36 = var_36_arg_0 ? var_36_arg_1 : var_36_arg_2; [L251] SORT_1 var_38_arg_0 = var_25; [L252] SORT_3 var_38_arg_1 = var_37; [L253] SORT_3 var_38_arg_2 = var_36; [L254] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_35=1, var_38=0, var_68=1] [L255] EXPR var_38 & mask_SORT_3 [L255] EXPR var_38 & mask_SORT_3 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_35=1, var_68=1] [L255] var_38 = var_38 & mask_SORT_3 [L256] SORT_3 var_39_arg_0 = var_38; [L257] SORT_3 var_39_arg_1 = var_22; [L258] SORT_1 var_39 = var_39_arg_0 == var_39_arg_1; [L259] SORT_1 var_40_arg_0 = var_35; [L260] SORT_1 var_40_arg_1 = var_39; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_40_arg_0=1, var_40_arg_1=1, var_68=1] [L261] EXPR var_40_arg_0 & var_40_arg_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_40_arg_0=1, var_40_arg_1=1, var_68=1] [L261] EXPR var_40_arg_0 & var_40_arg_1 [L261] EXPR var_40_arg_0 & var_40_arg_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L261] SORT_1 var_40 = var_40_arg_0 & var_40_arg_1; [L262] SORT_1 var_41_arg_0 = var_40; [L263] SORT_1 var_41 = ~var_41_arg_0; [L264] SORT_1 var_44_arg_0 = var_41; [L265] SORT_1 var_44 = ~var_44_arg_0; [L266] SORT_1 var_45_arg_0 = var_16; [L267] SORT_1 var_45_arg_1 = var_44; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_45_arg_0=1, var_45_arg_1=-255, var_68=1] [L268] EXPR var_45_arg_0 & var_45_arg_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_45_arg_0=1, var_45_arg_1=-255, var_68=1] [L268] EXPR var_45_arg_0 & var_45_arg_1 [L268] EXPR var_45_arg_0 & var_45_arg_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L268] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L269] EXPR var_45 & mask_SORT_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_45=1, var_68=1] [L269] EXPR var_45 & mask_SORT_1 [L269] EXPR var_45 & mask_SORT_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L269] var_45 = var_45 & mask_SORT_1 [L270] SORT_1 bad_46_arg_0 = var_45; VAL [bad_46_arg_0=1, input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L271] CALL __VERIFIER_assert(!(bad_46_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, 637 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2033 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2030 mSDsluCounter, 38073 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29824 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 259 IncrementalHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8249 mSDtfsCounter, 259 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1229occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 606 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 656 NumberOfCodeBlocks, 656 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 572 ConstructedInterpolants, 0 QuantifiedInterpolants, 1135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 14:28:44,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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_p4.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/btor2c-lazyMod.vis_arrays_bpbs_p4.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 14:28:46,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:28:46,651 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-08-14 14:28:46,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:28:46,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:28:46,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:28:46,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:28:46,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:28:46,682 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:28:46,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:28:46,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:28:46,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:28:46,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:28:46,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:28:46,685 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:28:46,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:28:46,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:28:46,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:28:46,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:28:46,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:28:46,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:28:46,687 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-14 14:28:46,688 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 14:28:46,688 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:28:46,688 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 14:28:46,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:28:46,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:28:46,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:28:46,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:28:46,688 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:28:46,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:28:46,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:28:46,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:28:46,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:28:46,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:28:46,689 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 14:28:46,689 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 14:28:46,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:28:46,690 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:28:46,690 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:28:46,690 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:28:46,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:28:46,691 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-14 14:28:46,691 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:28:46,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:28:46,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:28:46,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:28:46,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:28:46,929 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:28:46,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c [2024-08-14 14:28:48,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:28:48,418 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:28:48,418 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c [2024-08-14 14:28:48,441 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73c4c9c74/01698e8a1a834f34ad88a8130146f944/FLAGa04a61230 [2024-08-14 14:28:48,459 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73c4c9c74/01698e8a1a834f34ad88a8130146f944 [2024-08-14 14:28:48,462 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:28:48,463 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:28:48,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/btor2c-lazyMod.vis_arrays_bpbs_p4.yml/witness.yml [2024-08-14 14:28:48,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:28:48,510 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:28:48,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:28:48,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:28:48,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:28:48,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:28:48" (1/2) ... [2024-08-14 14:28:48,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef9e5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:28:48, skipping insertion in model container [2024-08-14 14:28:48,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:28:48" (1/2) ... [2024-08-14 14:28:48,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@738a83d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:28:48, skipping insertion in model container [2024-08-14 14:28:48,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:28:48" (2/2) ... [2024-08-14 14:28:48,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef9e5f2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:28:48, skipping insertion in model container [2024-08-14 14:28:48,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:28:48" (2/2) ... [2024-08-14 14:28:48,574 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:28:48,762 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_p4.c[1258,1271] [2024-08-14 14:28:48,986 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:28:48,999 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:28:49,007 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_p4.c[1258,1271] [2024-08-14 14:28:49,110 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:28:49,122 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:28:49,123 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:28:49 WrapperNode [2024-08-14 14:28:49,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:28:49,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:28:49,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:28:49,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:28:49,133 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 02:28:49" (1/1) ... [2024-08-14 14:28:49,133 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 02:28:49" (1/1) ... [2024-08-14 14:28:49,163 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 02:28:49" (1/1) ... [2024-08-14 14:28:49,205 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 14:28:49,206 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 02:28:49" (1/1) ... [2024-08-14 14:28:49,206 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 02:28:49" (1/1) ... [2024-08-14 14:28:49,257 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 02:28:49" (1/1) ... [2024-08-14 14:28:49,268 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 02:28:49" (1/1) ... [2024-08-14 14:28:49,276 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 02:28:49" (1/1) ... [2024-08-14 14:28:49,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:28:49,292 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:28:49,292 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:28:49,292 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:28:49,293 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 02:28:49" (1/1) ... [2024-08-14 14:28:49,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:28:49,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:28:49,322 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 14:28:49,327 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 14:28:49,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:28:49,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:28:49,362 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:28:49,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:28:49,362 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:28:49,362 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:28:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2024-08-14 14:28:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2024-08-14 14:28:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:28:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:28:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:28:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:28:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:28:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:28:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:28:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:28:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:28:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:28:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-14 14:28:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:28:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-14 14:28:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-14 14:28:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:28:49,614 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:28:49,619 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:28:51,302 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-08-14 14:28:51,303 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:28:51,311 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:28:51,311 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:28:51,312 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:28:51 BoogieIcfgContainer [2024-08-14 14:28:51,312 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:28:51,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:28:51,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:28:51,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:28:51,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:28:48" (1/4) ... [2024-08-14 14:28:51,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c89c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:28:51, skipping insertion in model container [2024-08-14 14:28:51,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:28:48" (2/4) ... [2024-08-14 14:28:51,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c89c3b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:28:51, skipping insertion in model container [2024-08-14 14:28:51,317 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 02:28:49" (3/4) ... [2024-08-14 14:28:51,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c89c3b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:28:51, skipping insertion in model container [2024-08-14 14:28:51,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:28:51" (4/4) ... [2024-08-14 14:28:51,319 INFO L119 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_bpbs_p4.c [2024-08-14 14:28:51,320 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:28:51,336 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:28:51,337 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:28:51,361 INFO L92 WitnessUtils]: Constructing product of automaton with 21 states and violation witness of the following lengths: [3] [2024-08-14 14:28:51,364 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 14:28:51,390 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 41 states to 26 states. [2024-08-14 14:28:51,405 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:28:51,411 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;@41d933a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:28:51,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:28:51,413 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2024-08-14 14:28:51,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-08-14 14:28:51,416 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:28:51,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:28:51,417 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:28:51,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:28:51,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1024331893, now seen corresponding path program 1 times [2024-08-14 14:28:51,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 14:28:51,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748061901] [2024-08-14 14:28:51,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:28:51,433 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 14:28:51,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-14 14:28:51,435 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 14:28:51,436 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 14:28:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:28:51,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:28:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:28:51,730 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-14 14:28:51,731 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:28:51,732 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:28:51,739 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 14:28:51,934 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 14:28:51,938 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:28:51,940 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:28:51,958 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:28:51 BoogieIcfgContainer [2024-08-14 14:28:51,959 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:28:51,959 INFO L158 Benchmark]: Toolchain (without parser) took 3449.11ms. Allocated memory was 62.9MB in the beginning and 182.5MB in the end (delta: 119.5MB). Free memory was 35.6MB in the beginning and 72.4MB in the end (delta: -36.8MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2024-08-14 14:28:51,960 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 38.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:28:51,960 INFO L158 Benchmark]: Witness Parser took 0.07ms. Allocated memory is still 62.9MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:28:51,960 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.98ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 35.4MB in the beginning and 37.5MB in the end (delta: -2.1MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-08-14 14:28:51,961 INFO L158 Benchmark]: Boogie Preprocessor took 166.63ms. Allocated memory is still 81.8MB. Free memory was 37.5MB in the beginning and 45.3MB in the end (delta: -7.8MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-08-14 14:28:51,961 INFO L158 Benchmark]: IcfgBuilder took 2020.50ms. Allocated memory was 81.8MB in the beginning and 182.5MB in the end (delta: 100.7MB). Free memory was 45.3MB in the beginning and 112.3MB in the end (delta: -67.0MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. [2024-08-14 14:28:51,961 INFO L158 Benchmark]: TraceAbstraction took 645.21ms. Allocated memory is still 182.5MB. Free memory was 112.3MB in the beginning and 72.4MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-08-14 14:28:51,963 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 38.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.07ms. Allocated memory is still 62.9MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.98ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 35.4MB in the beginning and 37.5MB in the end (delta: -2.1MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 166.63ms. Allocated memory is still 81.8MB. Free memory was 37.5MB in the beginning and 45.3MB in the end (delta: -7.8MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * IcfgBuilder took 2020.50ms. Allocated memory was 81.8MB in the beginning and 182.5MB in the end (delta: 100.7MB). Free memory was 45.3MB in the beginning and 112.3MB in the end (delta: -67.0MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. * TraceAbstraction took 645.21ms. Allocated memory is still 182.5MB. Free memory was 112.3MB in the beginning and 72.4MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. 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_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 4); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (4 - 1); [L35] const SORT_66 mask_SORT_66 = (SORT_66)-1 >> (sizeof(SORT_66) * 8 - 32); [L36] const SORT_66 msb_SORT_66 = (SORT_66)1 << (32 - 1); [L38] const SORT_100 mask_SORT_100 = (SORT_100)-1 >> (sizeof(SORT_100) * 8 - 3); [L39] const SORT_100 msb_SORT_100 = (SORT_100)1 << (3 - 1); [L41] const SORT_10 var_12 = 15; [L42] const SORT_1 var_16 = 1; [L43] const SORT_3 var_22 = 0; [L44] const SORT_1 var_25 = 0; [L45] const SORT_66 var_68 = 1; [L46] const SORT_3 var_106 = 3; [L47] const SORT_66 var_115 = 2; [L48] const SORT_66 var_122 = 0; [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_90; [L58] SORT_3 input_105; [L59] SORT_3 input_127; [L60] SORT_3 input_128; [L61] SORT_3 input_129; [L62] SORT_3 input_137; [L63] SORT_3 input_139; [L64] SORT_3 input_141; [L65] SORT_3 input_167; [L66] SORT_3 input_168; [L67] SORT_3 input_176; [L68] SORT_3 input_178; [L69] SORT_3 input_180; [L70] SORT_3 input_182; [L71] SORT_3 input_236; [L72] SORT_3 input_245; [L73] SORT_3 input_246; [L74] SORT_3 input_247; [L75] SORT_3 input_248; [L76] SORT_3 input_273; [L77] SORT_3 input_274; [L78] SORT_3 input_275; [L79] SORT_3 input_284; [L80] SORT_3 input_330; [L81] SORT_3 input_340; [L82] SORT_3 input_341; [L83] SORT_3 input_342; [L84] SORT_3 input_343; [L85] SORT_3 input_352; [L86] SORT_3 input_371; [L87] SORT_3 input_372; [L88] SORT_3 input_373; [L89] SORT_3 input_382; [L90] SORT_3 input_384; [L91] SORT_3 input_430; [L92] SORT_3 input_441; [L93] SORT_3 input_442; [L94] SORT_3 input_443; [L95] SORT_3 input_444; [L96] SORT_3 input_453; [L97] SORT_3 input_455; [L98] SORT_3 input_475; [L99] SORT_3 input_476; [L100] SORT_3 input_477; [L101] SORT_3 input_486; [L102] SORT_3 input_488; [L103] SORT_3 input_490; [L105] SORT_10 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L106] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L107] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L108] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L109] SORT_3 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L110] SORT_3 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L111] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L112] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L113] SORT_3 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L114] SORT_3 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L115] SORT_3 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L116] SORT_3 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L117] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L118] SORT_3 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L119] SORT_3 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L120] SORT_3 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L121] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L125] input_2 = __VERIFIER_nondet_uchar() [L126] input_2 = input_2 & mask_SORT_1 [L127] input_4 = __VERIFIER_nondet_uchar() [L128] input_5 = __VERIFIER_nondet_uchar() [L129] input_6 = __VERIFIER_nondet_uchar() [L130] input_7 = __VERIFIER_nondet_uchar() [L131] input_8 = __VERIFIER_nondet_uchar() [L132] input_9 = __VERIFIER_nondet_uchar() [L133] input_9 = input_9 & mask_SORT_1 [L134] input_90 = __VERIFIER_nondet_uchar() [L135] input_105 = __VERIFIER_nondet_uchar() [L136] input_127 = __VERIFIER_nondet_uchar() [L137] input_128 = __VERIFIER_nondet_uchar() [L138] input_129 = __VERIFIER_nondet_uchar() [L139] input_137 = __VERIFIER_nondet_uchar() [L140] input_139 = __VERIFIER_nondet_uchar() [L141] input_141 = __VERIFIER_nondet_uchar() [L142] input_167 = __VERIFIER_nondet_uchar() [L143] input_168 = __VERIFIER_nondet_uchar() [L144] input_176 = __VERIFIER_nondet_uchar() [L145] input_178 = __VERIFIER_nondet_uchar() [L146] input_180 = __VERIFIER_nondet_uchar() [L147] input_182 = __VERIFIER_nondet_uchar() [L148] input_236 = __VERIFIER_nondet_uchar() [L149] input_245 = __VERIFIER_nondet_uchar() [L150] input_246 = __VERIFIER_nondet_uchar() [L151] input_247 = __VERIFIER_nondet_uchar() [L152] input_248 = __VERIFIER_nondet_uchar() [L153] input_273 = __VERIFIER_nondet_uchar() [L154] input_274 = __VERIFIER_nondet_uchar() [L155] input_275 = __VERIFIER_nondet_uchar() [L156] input_284 = __VERIFIER_nondet_uchar() [L157] input_330 = __VERIFIER_nondet_uchar() [L158] input_340 = __VERIFIER_nondet_uchar() [L159] input_341 = __VERIFIER_nondet_uchar() [L160] input_342 = __VERIFIER_nondet_uchar() [L161] input_343 = __VERIFIER_nondet_uchar() [L162] input_352 = __VERIFIER_nondet_uchar() [L163] input_371 = __VERIFIER_nondet_uchar() [L164] input_372 = __VERIFIER_nondet_uchar() [L165] input_373 = __VERIFIER_nondet_uchar() [L166] input_382 = __VERIFIER_nondet_uchar() [L167] input_384 = __VERIFIER_nondet_uchar() [L168] input_430 = __VERIFIER_nondet_uchar() [L169] input_441 = __VERIFIER_nondet_uchar() [L170] input_442 = __VERIFIER_nondet_uchar() [L171] input_443 = __VERIFIER_nondet_uchar() [L172] input_444 = __VERIFIER_nondet_uchar() [L173] input_453 = __VERIFIER_nondet_uchar() [L174] input_455 = __VERIFIER_nondet_uchar() [L175] input_475 = __VERIFIER_nondet_uchar() [L176] input_476 = __VERIFIER_nondet_uchar() [L177] input_477 = __VERIFIER_nondet_uchar() [L178] input_486 = __VERIFIER_nondet_uchar() [L179] input_488 = __VERIFIER_nondet_uchar() [L180] input_490 = __VERIFIER_nondet_uchar() [L183] SORT_10 var_13_arg_0 = state_11; [L184] SORT_10 var_13_arg_1 = var_12; [L185] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L186] SORT_1 var_20_arg_0 = var_16; [L187] SORT_3 var_20_arg_1 = state_19; [L188] SORT_3 var_20_arg_2 = state_18; [L189] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L190] SORT_1 var_17_arg_0 = var_16; [L191] SORT_3 var_17_arg_1 = state_15; [L192] SORT_3 var_17_arg_2 = state_14; [L193] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L194] SORT_1 var_21_arg_0 = var_16; [L195] SORT_3 var_21_arg_1 = var_20; [L196] SORT_3 var_21_arg_2 = var_17; [L197] SORT_3 var_21 = var_21_arg_0 ? var_21_arg_1 : var_21_arg_2; [L198] var_21 = var_21 & mask_SORT_3 [L199] SORT_3 var_23_arg_0 = var_21; [L200] SORT_3 var_23_arg_1 = var_22; [L201] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L202] SORT_1 var_24_arg_0 = var_13; [L203] SORT_1 var_24_arg_1 = var_23; [L204] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L205] SORT_1 var_27_arg_0 = var_25; [L206] SORT_3 var_27_arg_1 = state_19; [L207] SORT_3 var_27_arg_2 = state_18; [L208] SORT_3 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L209] SORT_1 var_26_arg_0 = var_25; [L210] SORT_3 var_26_arg_1 = state_15; [L211] SORT_3 var_26_arg_2 = state_14; [L212] SORT_3 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L213] SORT_1 var_28_arg_0 = var_16; [L214] SORT_3 var_28_arg_1 = var_27; [L215] SORT_3 var_28_arg_2 = var_26; [L216] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L217] var_28 = var_28 & mask_SORT_3 [L218] SORT_3 var_29_arg_0 = var_28; [L219] SORT_3 var_29_arg_1 = var_22; [L220] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L221] SORT_1 var_30_arg_0 = var_24; [L222] SORT_1 var_30_arg_1 = var_29; [L223] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L224] SORT_1 var_32_arg_0 = var_16; [L225] SORT_3 var_32_arg_1 = state_19; [L226] SORT_3 var_32_arg_2 = state_18; [L227] SORT_3 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L228] SORT_1 var_31_arg_0 = var_16; [L229] SORT_3 var_31_arg_1 = state_15; [L230] SORT_3 var_31_arg_2 = state_14; [L231] SORT_3 var_31 = var_31_arg_0 ? var_31_arg_1 : var_31_arg_2; [L232] SORT_1 var_33_arg_0 = var_25; [L233] SORT_3 var_33_arg_1 = var_32; [L234] SORT_3 var_33_arg_2 = var_31; [L235] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L236] var_33 = var_33 & mask_SORT_3 [L237] SORT_3 var_34_arg_0 = var_33; [L238] SORT_3 var_34_arg_1 = var_22; [L239] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L240] SORT_1 var_35_arg_0 = var_30; [L241] SORT_1 var_35_arg_1 = var_34; [L242] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L243] SORT_1 var_37_arg_0 = var_25; [L244] SORT_3 var_37_arg_1 = state_19; [L245] SORT_3 var_37_arg_2 = state_18; [L246] SORT_3 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L247] SORT_1 var_36_arg_0 = var_25; [L248] SORT_3 var_36_arg_1 = state_15; [L249] SORT_3 var_36_arg_2 = state_14; [L250] SORT_3 var_36 = var_36_arg_0 ? var_36_arg_1 : var_36_arg_2; [L251] SORT_1 var_38_arg_0 = var_25; [L252] SORT_3 var_38_arg_1 = var_37; [L253] SORT_3 var_38_arg_2 = var_36; [L254] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L255] var_38 = var_38 & mask_SORT_3 [L256] SORT_3 var_39_arg_0 = var_38; [L257] SORT_3 var_39_arg_1 = var_22; [L258] SORT_1 var_39 = var_39_arg_0 == var_39_arg_1; [L259] SORT_1 var_40_arg_0 = var_35; [L260] SORT_1 var_40_arg_1 = var_39; [L261] SORT_1 var_40 = var_40_arg_0 & var_40_arg_1; [L262] SORT_1 var_41_arg_0 = var_40; [L263] SORT_1 var_41 = ~var_41_arg_0; [L264] SORT_1 var_44_arg_0 = var_41; [L265] SORT_1 var_44 = ~var_44_arg_0; [L266] SORT_1 var_45_arg_0 = var_16; [L267] SORT_1 var_45_arg_1 = var_44; [L268] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L269] var_45 = var_45 & mask_SORT_1 [L270] SORT_1 bad_46_arg_0 = var_45; VAL [bad_46_arg_0=1, input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L271] CALL __VERIFIER_assert(!(bad_46_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: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, 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: 0.0s SsaConstructionTime, 0.0s 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 14:28:51,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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