./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invariants/odd.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/odd.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/automizer/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/automizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/automizer/data -tc /storage/repos/certificate-witnesses-artifact/automizer/config/AutomizerReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invariants/odd.c ../results/automizer-verification-files/SV-COMP24_unreach-call/odd.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:18:15,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:18:15,917 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-13 05:18:15,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:18:15,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:18:15,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:18:15,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:18:15,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:18:15,958 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:18:15,959 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:18:15,960 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:18:15,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:18:15,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:18:15,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:18:15,961 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:18:15,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:18:15,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:18:15,963 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:18:15,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:18:15,964 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:18:15,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:18:15,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:18:15,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:18:15,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:18:15,968 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:18:15,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:18:15,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:18:15,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:18:15,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:18:15,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:18:15,970 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:18:15,970 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:18:15,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:18:15,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:18:15,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:18:15,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:18:15,971 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:18:15,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:18:15,972 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:18:15,973 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:18:15,973 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:18:15,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:18:15,973 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/certificate-witnesses-artifact/automizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:18:16,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:18:16,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:18:16,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:18:16,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:18:16,241 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:18:16,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-invariants/odd.c [2024-09-13 05:18:17,651 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:18:17,840 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:18:17,841 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invariants/odd.c [2024-09-13 05:18:17,852 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/8caf0098e/7024df5ae5d446ce8635ce94086969da/FLAG3ac4d912b [2024-09-13 05:18:18,227 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/8caf0098e/7024df5ae5d446ce8635ce94086969da [2024-09-13 05:18:18,230 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:18:18,231 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:18:18,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../results/automizer-verification-files/SV-COMP24_unreach-call/odd.yml/witness-2.1.yml [2024-09-13 05:18:18,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:18:18,279 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-13 05:18:18,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:18:18,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:18:18,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:18:18,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:18:18" (1/2) ... [2024-09-13 05:18:18,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d1fca47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:18:18, skipping insertion in model container [2024-09-13 05:18:18,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:18:18" (1/2) ... [2024-09-13 05:18:18,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e6ecec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:18:18, skipping insertion in model container [2024-09-13 05:18:18,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:18:18" (2/2) ... [2024-09-13 05:18:18,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d1fca47 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:18:18, skipping insertion in model container [2024-09-13 05:18:18,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:18:18" (2/2) ... [2024-09-13 05:18:18,299 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:18:18,299 INFO L1541 ArrayList]: Loop invariant at [L20-L22] (x < (2 + (((-1 + x) / 2) * 2))) [2024-09-13 05:18:18,300 INFO L1541 ArrayList]: Function contract at [L12]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 05:18:18,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:18:18,471 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invariants/odd.c[579,592] [2024-09-13 05:18:18,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:18:18,498 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:18:18,538 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invariants/odd.c[579,592] Start Parsing Local [2024-09-13 05:18:18,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:18:18,560 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:18:18,561 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:18:18 WrapperNode [2024-09-13 05:18:18,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:18:18,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-13 05:18:18,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-13 05:18:18,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-13 05:18:18,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:18:18" (1/1) ... [2024-09-13 05:18:18,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:18:18" (1/1) ... [2024-09-13 05:18:18,594 INFO L138 Inliner]: procedures = 13, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2024-09-13 05:18:18,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-13 05:18:18,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:18:18,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:18:18,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:18:18,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:18:18" (1/1) ... [2024-09-13 05:18:18,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:18:18" (1/1) ... [2024-09-13 05:18:18,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:18:18" (1/1) ... [2024-09-13 05:18:18,631 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6]. The 0 writes are split as follows [0, 0]. [2024-09-13 05:18:18,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:18:18" (1/1) ... [2024-09-13 05:18:18,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:18:18" (1/1) ... [2024-09-13 05:18:18,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:18:18" (1/1) ... [2024-09-13 05:18:18,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:18:18" (1/1) ... [2024-09-13 05:18:18,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:18:18" (1/1) ... [2024-09-13 05:18:18,642 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:18:18" (1/1) ... [2024-09-13 05:18:18,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:18:18,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:18:18,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:18:18,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:18:18,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:18:18" (1/1) ... [2024-09-13 05:18:18,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:18:18,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 05:18:18,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:18:18,695 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:18:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:18:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:18:18,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:18:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 05:18:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-13 05:18:18,806 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:18:18,808 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:18:18,919 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-09-13 05:18:18,919 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:18:18,939 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:18:18,940 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:18:18,940 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:18:18 BoogieIcfgContainer [2024-09-13 05:18:18,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:18:18,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-13 05:18:18,946 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-13 05:18:18,953 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-13 05:18:18,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.09 05:18:18" (1/4) ... [2024-09-13 05:18:18,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfe72ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 05:18:18, skipping insertion in model container [2024-09-13 05:18:18,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:18:18" (2/4) ... [2024-09-13 05:18:18,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfe72ec and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.09 05:18:18, skipping insertion in model container [2024-09-13 05:18:18,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:18:18" (3/4) ... [2024-09-13 05:18:18,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfe72ec and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.09 05:18:18, skipping insertion in model container [2024-09-13 05:18:18,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:18:18" (4/4) ... [2024-09-13 05:18:18,957 INFO L112 eAbstractionObserver]: Analyzing ICFG odd.c [2024-09-13 05:18:18,972 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-13 05:18:18,973 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-09-13 05:18:19,008 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-13 05:18:19,014 INFO L336 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@22a51c57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-13 05:18:19,014 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-13 05:18:19,018 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:19,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-09-13 05:18:19,024 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 05:18:19,024 INFO L216 NwaCegarLoop]: trace histogram [1, 1] [2024-09-13 05:18:19,025 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-13 05:18:19,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 05:18:19,029 INFO L85 PathProgramCache]: Analyzing trace with hash 2112, now seen corresponding path program 1 times [2024-09-13 05:18:19,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 05:18:19,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723025693] [2024-09-13 05:18:19,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 05:18:19,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 05:18:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 05:18:19,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:19,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 05:18:19,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723025693] [2024-09-13 05:18:19,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723025693] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-13 05:18:19,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-13 05:18:19,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-13 05:18:19,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568037118] [2024-09-13 05:18:19,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-13 05:18:19,359 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-13 05:18:19,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 05:18:19,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-13 05:18:19,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-13 05:18:19,424 INFO L87 Difference]: Start difference. First operand has 14 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:19,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 05:18:19,455 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2024-09-13 05:18:19,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-13 05:18:19,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2024-09-13 05:18:19,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 05:18:19,464 INFO L225 Difference]: With dead ends: 18 [2024-09-13 05:18:19,465 INFO L226 Difference]: Without dead ends: 17 [2024-09-13 05:18:19,466 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-13 05:18:19,469 INFO L434 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-13 05:18:19,471 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 17 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-13 05:18:19,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-09-13 05:18:19,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 14. [2024-09-13 05:18:19,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.4) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:19,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-09-13 05:18:19,504 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 2 [2024-09-13 05:18:19,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 05:18:19,504 INFO L474 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-09-13 05:18:19,504 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:19,504 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-09-13 05:18:19,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-09-13 05:18:19,505 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 05:18:19,505 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-09-13 05:18:19,505 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-13 05:18:19,505 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-13 05:18:19,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 05:18:19,506 INFO L85 PathProgramCache]: Analyzing trace with hash 62957470, now seen corresponding path program 1 times [2024-09-13 05:18:19,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 05:18:19,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595885276] [2024-09-13 05:18:19,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 05:18:19,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 05:18:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 05:18:19,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:19,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 05:18:19,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595885276] [2024-09-13 05:18:19,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595885276] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-13 05:18:19,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689963277] [2024-09-13 05:18:19,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 05:18:19,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 05:18:19,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 05:18:19,838 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-13 05:18:19,841 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-13 05:18:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 05:18:19,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-13 05:18:19,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-13 05:18:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:19,944 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-13 05:18:20,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:20,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689963277] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-13 05:18:20,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-13 05:18:20,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-09-13 05:18:20,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095018338] [2024-09-13 05:18:20,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-13 05:18:20,104 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-13 05:18:20,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 05:18:20,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-13 05:18:20,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-09-13 05:18:20,107 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:20,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 05:18:20,207 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2024-09-13 05:18:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-13 05:18:20,209 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-09-13 05:18:20,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 05:18:20,211 INFO L225 Difference]: With dead ends: 26 [2024-09-13 05:18:20,211 INFO L226 Difference]: Without dead ends: 26 [2024-09-13 05:18:20,212 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-09-13 05:18:20,214 INFO L434 NwaCegarLoop]: 11 mSDtfsCounter, 13 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-13 05:18:20,215 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 29 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-13 05:18:20,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-09-13 05:18:20,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2024-09-13 05:18:20,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.368421052631579) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:20,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-09-13 05:18:20,222 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 5 [2024-09-13 05:18:20,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 05:18:20,223 INFO L474 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-09-13 05:18:20,223 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:20,224 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-09-13 05:18:20,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-09-13 05:18:20,224 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 05:18:20,224 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-09-13 05:18:20,242 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-09-13 05:18:20,427 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 05:18:20,428 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-13 05:18:20,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 05:18:20,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1951680101, now seen corresponding path program 1 times [2024-09-13 05:18:20,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 05:18:20,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311514659] [2024-09-13 05:18:20,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 05:18:20,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 05:18:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 05:18:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:20,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 05:18:20,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311514659] [2024-09-13 05:18:20,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311514659] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-13 05:18:20,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-13 05:18:20,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-13 05:18:20,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935518024] [2024-09-13 05:18:20,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-13 05:18:20,474 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-13 05:18:20,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 05:18:20,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-13 05:18:20,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-13 05:18:20,475 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:20,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 05:18:20,495 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2024-09-13 05:18:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-13 05:18:20,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-09-13 05:18:20,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 05:18:20,496 INFO L225 Difference]: With dead ends: 24 [2024-09-13 05:18:20,496 INFO L226 Difference]: Without dead ends: 23 [2024-09-13 05:18:20,496 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-13 05:18:20,497 INFO L434 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-13 05:18:20,498 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 16 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-13 05:18:20,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-09-13 05:18:20,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-09-13 05:18:20,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 20 states have (on average 1.3) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:20,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-09-13 05:18:20,502 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 6 [2024-09-13 05:18:20,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 05:18:20,502 INFO L474 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-09-13 05:18:20,502 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:20,502 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-09-13 05:18:20,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-09-13 05:18:20,503 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 05:18:20,503 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-09-13 05:18:20,503 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-13 05:18:20,504 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-13 05:18:20,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 05:18:20,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1336129592, now seen corresponding path program 1 times [2024-09-13 05:18:20,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 05:18:20,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218160633] [2024-09-13 05:18:20,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 05:18:20,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 05:18:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 05:18:20,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:20,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 05:18:20,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218160633] [2024-09-13 05:18:20,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218160633] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-13 05:18:20,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-13 05:18:20,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-13 05:18:20,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563354832] [2024-09-13 05:18:20,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-13 05:18:20,556 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-13 05:18:20,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 05:18:20,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-13 05:18:20,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-13 05:18:20,557 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:20,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 05:18:20,576 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2024-09-13 05:18:20,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-13 05:18:20,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-09-13 05:18:20,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 05:18:20,578 INFO L225 Difference]: With dead ends: 21 [2024-09-13 05:18:20,578 INFO L226 Difference]: Without dead ends: 18 [2024-09-13 05:18:20,579 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-13 05:18:20,581 INFO L434 NwaCegarLoop]: 6 mSDtfsCounter, 1 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-13 05:18:20,581 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 17 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-13 05:18:20,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-09-13 05:18:20,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-09-13 05:18:20,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:20,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-09-13 05:18:20,586 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 8 [2024-09-13 05:18:20,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 05:18:20,586 INFO L474 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-09-13 05:18:20,586 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:20,586 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-09-13 05:18:20,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-09-13 05:18:20,587 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 05:18:20,587 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-09-13 05:18:20,588 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-13 05:18:20,588 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-13 05:18:20,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 05:18:20,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1574569667, now seen corresponding path program 1 times [2024-09-13 05:18:20,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 05:18:20,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098169448] [2024-09-13 05:18:20,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 05:18:20,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 05:18:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 05:18:20,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:20,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 05:18:20,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098169448] [2024-09-13 05:18:20,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098169448] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-13 05:18:20,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481245135] [2024-09-13 05:18:20,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 05:18:20,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 05:18:20,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 05:18:20,767 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-13 05:18:20,770 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-13 05:18:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 05:18:20,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-13 05:18:20,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-13 05:18:20,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:20,893 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-13 05:18:20,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-13 05:18:20,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481245135] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-13 05:18:20,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-13 05:18:20,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3, 3] total 5 [2024-09-13 05:18:20,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840587460] [2024-09-13 05:18:20,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-13 05:18:20,933 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-13 05:18:20,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 05:18:20,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-13 05:18:20,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-09-13 05:18:20,934 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:20,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 05:18:20,951 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2024-09-13 05:18:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-13 05:18:20,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-09-13 05:18:20,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 05:18:20,952 INFO L225 Difference]: With dead ends: 17 [2024-09-13 05:18:20,952 INFO L226 Difference]: Without dead ends: 15 [2024-09-13 05:18:20,952 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-09-13 05:18:20,953 INFO L434 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-13 05:18:20,953 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-13 05:18:20,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-09-13 05:18:20,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-09-13 05:18:20,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:20,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-09-13 05:18:20,959 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 9 [2024-09-13 05:18:20,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 05:18:20,959 INFO L474 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-09-13 05:18:20,959 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:20,959 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-09-13 05:18:20,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-09-13 05:18:20,959 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 05:18:20,959 INFO L216 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1] [2024-09-13 05:18:20,976 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-13 05:18:21,160 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 05:18:21,160 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-13 05:18:21,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 05:18:21,161 INFO L85 PathProgramCache]: Analyzing trace with hash -737980736, now seen corresponding path program 2 times [2024-09-13 05:18:21,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 05:18:21,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238554299] [2024-09-13 05:18:21,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 05:18:21,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 05:18:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 05:18:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:21,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 05:18:21,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238554299] [2024-09-13 05:18:21,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238554299] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-13 05:18:21,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523068681] [2024-09-13 05:18:21,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-13 05:18:21,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 05:18:21,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 05:18:21,408 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-13 05:18:21,409 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-13 05:18:21,458 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-13 05:18:21,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-13 05:18:21,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-09-13 05:18:21,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-13 05:18:21,490 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:21,490 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-13 05:18:21,784 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:21,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523068681] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-13 05:18:21,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-13 05:18:21,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-09-13 05:18:21,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734390895] [2024-09-13 05:18:21,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-13 05:18:21,786 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-13 05:18:21,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 05:18:21,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-13 05:18:21,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-09-13 05:18:21,788 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:22,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 05:18:22,246 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2024-09-13 05:18:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-13 05:18:22,246 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-09-13 05:18:22,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 05:18:22,247 INFO L225 Difference]: With dead ends: 33 [2024-09-13 05:18:22,247 INFO L226 Difference]: Without dead ends: 33 [2024-09-13 05:18:22,247 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-09-13 05:18:22,248 INFO L434 NwaCegarLoop]: 6 mSDtfsCounter, 14 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-13 05:18:22,248 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 30 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-13 05:18:22,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-09-13 05:18:22,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-09-13 05:18:22,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.03125) internal successors, (33), 32 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:22,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2024-09-13 05:18:22,254 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 14 [2024-09-13 05:18:22,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 05:18:22,254 INFO L474 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2024-09-13 05:18:22,254 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:22,254 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2024-09-13 05:18:22,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-09-13 05:18:22,255 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 05:18:22,255 INFO L216 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1] [2024-09-13 05:18:22,277 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-13 05:18:22,457 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-09-13 05:18:22,458 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-13 05:18:22,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 05:18:22,458 INFO L85 PathProgramCache]: Analyzing trace with hash 45445248, now seen corresponding path program 3 times [2024-09-13 05:18:22,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 05:18:22,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618749330] [2024-09-13 05:18:22,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 05:18:22,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 05:18:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 05:18:22,867 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:22,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 05:18:22,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618749330] [2024-09-13 05:18:22,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618749330] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-13 05:18:22,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542089554] [2024-09-13 05:18:22,868 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-13 05:18:22,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 05:18:22,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 05:18:22,870 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-13 05:18:22,872 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-13 05:18:23,283 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-09-13 05:18:23,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-13 05:18:23,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-09-13 05:18:23,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-13 05:18:23,356 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:23,357 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-13 05:18:24,326 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:24,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542089554] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-13 05:18:24,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-13 05:18:24,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-09-13 05:18:24,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475589231] [2024-09-13 05:18:24,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-13 05:18:24,327 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-13 05:18:24,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 05:18:24,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-13 05:18:24,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2024-09-13 05:18:24,329 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 23 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:39,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 05:18:39,252 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2024-09-13 05:18:39,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-13 05:18:39,252 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 23 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-09-13 05:18:39,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 05:18:39,253 INFO L225 Difference]: With dead ends: 69 [2024-09-13 05:18:39,253 INFO L226 Difference]: Without dead ends: 69 [2024-09-13 05:18:39,254 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2024-09-13 05:18:39,254 INFO L434 NwaCegarLoop]: 12 mSDtfsCounter, 26 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-09-13 05:18:39,255 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 132 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-09-13 05:18:39,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-09-13 05:18:39,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-09-13 05:18:39,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.0147058823529411) internal successors, (69), 68 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:39,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2024-09-13 05:18:39,260 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 32 [2024-09-13 05:18:39,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 05:18:39,261 INFO L474 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2024-09-13 05:18:39,261 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 23 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:39,261 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2024-09-13 05:18:39,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-09-13 05:18:39,262 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 05:18:39,263 INFO L216 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1] [2024-09-13 05:18:39,280 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-13 05:18:39,463 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 05:18:39,464 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-13 05:18:39,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 05:18:39,464 INFO L85 PathProgramCache]: Analyzing trace with hash 2099176448, now seen corresponding path program 4 times [2024-09-13 05:18:39,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 05:18:39,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407276432] [2024-09-13 05:18:39,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 05:18:39,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 05:18:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 05:18:40,473 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:40,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 05:18:40,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407276432] [2024-09-13 05:18:40,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407276432] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-13 05:18:40,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453879301] [2024-09-13 05:18:40,474 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-13 05:18:40,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 05:18:40,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 05:18:40,476 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-13 05:18:40,478 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-13 05:18:40,649 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-13 05:18:40,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-13 05:18:40,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-09-13 05:18:40,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-13 05:18:40,776 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:40,776 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-13 05:18:42,481 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:18:42,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453879301] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-13 05:18:42,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-13 05:18:42,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2024-09-13 05:18:42,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504792149] [2024-09-13 05:18:42,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-13 05:18:42,482 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-09-13 05:18:42,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 05:18:42,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-09-13 05:18:42,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=1634, Unknown=0, NotChecked=0, Total=2256 [2024-09-13 05:18:42,485 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand has 48 states, 47 states have (on average 2.9148936170212765) internal successors, (137), 47 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:18:50,123 WARN L293 SmtUtils]: Spent 6.31s on a formula simplification. DAG size of input: 394 DAG size of output: 240 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-09-13 05:18:59,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-09-13 05:19:30,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 05:19:30,404 INFO L93 Difference]: Finished difference Result 141 states and 141 transitions. [2024-09-13 05:19:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-09-13 05:19:30,405 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 2.9148936170212765) internal successors, (137), 47 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-09-13 05:19:30,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 05:19:30,406 INFO L225 Difference]: With dead ends: 141 [2024-09-13 05:19:30,406 INFO L226 Difference]: Without dead ends: 141 [2024-09-13 05:19:30,408 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 110 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 43.6s TimeCoverageRelationStatistics Valid=1678, Invalid=3152, Unknown=0, NotChecked=0, Total=4830 [2024-09-13 05:19:30,408 INFO L434 NwaCegarLoop]: 24 mSDtfsCounter, 48 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-09-13 05:19:30,409 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 552 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1150 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2024-09-13 05:19:30,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-09-13 05:19:30,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-09-13 05:19:30,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 140 states have (on average 1.0071428571428571) internal successors, (141), 140 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:19:30,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 141 transitions. [2024-09-13 05:19:30,423 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 141 transitions. Word has length 68 [2024-09-13 05:19:30,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 05:19:30,424 INFO L474 AbstractCegarLoop]: Abstraction has 141 states and 141 transitions. [2024-09-13 05:19:30,424 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 2.9148936170212765) internal successors, (137), 47 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:19:30,424 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 141 transitions. [2024-09-13 05:19:30,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-09-13 05:19:30,427 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 05:19:30,428 INFO L216 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1] [2024-09-13 05:19:30,442 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-13 05:19:30,628 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-09-13 05:19:30,628 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-13 05:19:30,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 05:19:30,629 INFO L85 PathProgramCache]: Analyzing trace with hash 118917888, now seen corresponding path program 5 times [2024-09-13 05:19:30,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 05:19:30,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969613024] [2024-09-13 05:19:30,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 05:19:30,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 05:19:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 05:19:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3151 backedges. 0 proven. 3151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:19:33,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 05:19:33,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969613024] [2024-09-13 05:19:33,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969613024] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-13 05:19:33,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698891755] [2024-09-13 05:19:33,515 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-13 05:19:33,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 05:19:33,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 05:19:33,517 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-13 05:19:33,517 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-13 05:31:32,539 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-09-13 05:31:32,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-13 05:31:32,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-09-13 05:31:32,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-13 05:31:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3151 backedges. 0 proven. 3151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:31:32,777 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-13 05:31:45,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3151 backedges. 0 proven. 3151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 05:31:45,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698891755] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-13 05:31:45,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-13 05:31:45,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 94 [2024-09-13 05:31:45,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616204607] [2024-09-13 05:31:45,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-13 05:31:45,822 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-09-13 05:31:45,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 05:31:45,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-09-13 05:31:45,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2398, Invalid=6722, Unknown=0, NotChecked=0, Total=9120 [2024-09-13 05:31:45,826 INFO L87 Difference]: Start difference. First operand 141 states and 141 transitions. Second operand has 96 states, 95 states have (on average 2.957894736842105) internal successors, (281), 95 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-13 05:31:51,513 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse0 (div (+ 4294967333 |c_ULTIMATE.start_main_~x~0#1|) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 36 (* (div (+ .cse0 1) 2147483648) 4294967296)) (+ (* .cse0 2) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 38) 4294967296) 4294967296)))) (let ((.cse1 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967387) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* (div (+ .cse1 1) 2147483648) 4294967296) 90) (+ (* (div (+ 92 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) 4294967296) (* 2 .cse1)))) (let ((.cse2 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967325) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 28 (* (div (+ .cse2 1) 2147483648) 4294967296)) (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 30) 4294967296) 4294967296) (* 2 .cse2)))) (let ((.cse3 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967367) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* (div (+ .cse3 1) 2147483648) 4294967296) 70) (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 72) 4294967296) 4294967296) (* .cse3 2)))) (let ((.cse4 (div (+ 4294967309 |c_ULTIMATE.start_main_~x~0#1|) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* (div (+ .cse4 1) 2147483648) 4294967296) 12) (+ (* 2 .cse4) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296) 4294967296)))) (let ((.cse5 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967371) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* 4294967296 (div (+ .cse5 1) 2147483648)) 74) (+ (* 2 .cse5) (* (div (+ 76 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) 4294967296)))) (let ((.cse6 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967349) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 52 (* (div (+ .cse6 1) 2147483648) 4294967296)) (+ (* 2 .cse6) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 54) 4294967296) 4294967296)))) (let ((.cse7 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967365) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 68 (* (div (+ .cse7 1) 2147483648) 4294967296)) (+ (* 2 .cse7) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 70) 4294967296) 4294967296)))) (let ((.cse8 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967323) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* (div (+ .cse8 1) 2147483648) 4294967296) 26) (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 28) 4294967296) 4294967296) (* .cse8 2)))) (let ((.cse9 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967305) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* (div (+ .cse9 1) 2147483648) 4294967296) 8) (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) 4294967296) (* 2 .cse9)))) (let ((.cse10 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967355) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 58 (* (div (+ .cse10 1) 2147483648) 4294967296)) (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 60) 4294967296) 4294967296) (* .cse10 2)))) (let ((.cse11 (div (+ 4294967345 |c_ULTIMATE.start_main_~x~0#1|) 2))) (< (+ (* (div (+ .cse11 1) 2147483648) 4294967296) |c_ULTIMATE.start_main_~x~0#1| 48) (+ (* 2 .cse11) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 50) 4294967296) 4294967296)))) (let ((.cse12 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967385) 2))) (< (+ 88 |c_ULTIMATE.start_main_~x~0#1| (* (div (+ .cse12 1) 2147483648) 4294967296)) (+ (* 2 .cse12) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 90) 4294967296) 4294967296)))) (let ((.cse13 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967375) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 78 (* (div (+ .cse13 1) 2147483648) 4294967296)) (+ (* .cse13 2) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 80) 4294967296) 4294967296)))) (let ((.cse14 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967351) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* (div (+ .cse14 1) 2147483648) 4294967296) 54) (+ (* (div (+ 56 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) 4294967296) (* .cse14 2)))) (let ((.cse15 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967311) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* (div (+ .cse15 1) 2147483648) 4294967296) 14) (+ (* 2 .cse15) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296) 4294967296)))) (let ((.cse16 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967353) 2))) (< (+ 56 |c_ULTIMATE.start_main_~x~0#1| (* (div (+ .cse16 1) 2147483648) 4294967296)) (+ (* .cse16 2) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 58) 4294967296) 4294967296)))) (let ((.cse17 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967347) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* (div (+ .cse17 1) 2147483648) 4294967296) 50) (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 52) 4294967296) 4294967296) (* .cse17 2)))) (let ((.cse18 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967319) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 22 (* (div (+ .cse18 1) 2147483648) 4294967296)) (+ (* 2 .cse18) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 24) 4294967296) 4294967296)))) (let ((.cse19 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967299) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* (div (+ .cse19 1) 2147483648) 4294967296) 2) (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) 4294967296) (* .cse19 2)))) (let ((.cse20 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967321) 2))) (< (+ (* 4294967296 (div (+ .cse20 1) 2147483648)) |c_ULTIMATE.start_main_~x~0#1| 24) (+ (* 2 .cse20) (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 26) 4294967296))))) (let ((.cse21 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967327) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 30 (* (div (+ .cse21 1) 2147483648) 4294967296)) (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 32) 4294967296) 4294967296) (* 2 .cse21)))) (let ((.cse22 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967363) 2))) (< (+ 66 |c_ULTIMATE.start_main_~x~0#1| (* 4294967296 (div (+ .cse22 1) 2147483648))) (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 68) 4294967296) 4294967296) (* 2 .cse22)))) (let ((.cse23 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967381) 2))) (< (+ (* (div (+ .cse23 1) 2147483648) 4294967296) |c_ULTIMATE.start_main_~x~0#1| 84) (+ (* 2 .cse23) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 86) 4294967296) 4294967296)))) (let ((.cse24 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967335) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* 4294967296 (div (+ .cse24 1) 2147483648)) 38) (+ (* 2 .cse24) (* (div (+ 40 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) 4294967296)))) (let ((.cse25 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967337) 2))) (< (+ 40 |c_ULTIMATE.start_main_~x~0#1| (* (div (+ .cse25 1) 2147483648) 4294967296)) (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 42) 4294967296) 4294967296) (* .cse25 2)))) (let ((.cse26 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967297) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* 4294967296 (div (+ .cse26 1) 2147483648))) (+ (* .cse26 2) (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296))))) (let ((.cse27 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967307) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* (div (+ .cse27 1) 2147483648) 4294967296) 10) (+ (* 2 .cse27) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296) 4294967296)))) (let ((.cse28 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967313) 2))) (< (+ (* (div (+ .cse28 1) 2147483648) 4294967296) |c_ULTIMATE.start_main_~x~0#1| 16) (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296)) (* .cse28 2)))) (let ((.cse29 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967301) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 4 (* (div (+ .cse29 1) 2147483648) 4294967296)) (+ (* 2 .cse29) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296) 4294967296)))) (let ((.cse30 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967357) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 60 (* 4294967296 (div (+ .cse30 1) 2147483648))) (+ (* .cse30 2) (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 62) 4294967296))))) (let ((.cse31 (div (+ 4294967303 |c_ULTIMATE.start_main_~x~0#1|) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 6 (* (div (+ .cse31 1) 2147483648) 4294967296)) (+ (* .cse31 2) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) 4294967296)))) (let ((.cse32 (div (+ 4294967377 |c_ULTIMATE.start_main_~x~0#1|) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* (div (+ .cse32 1) 2147483648) 4294967296) 80) (+ (* .cse32 2) (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 82) 4294967296))))) (let ((.cse33 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967361) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 64 (* (div (+ .cse33 1) 2147483648) 4294967296)) (+ (* 2 .cse33) (* 4294967296 (div (+ 66 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))))) (let ((.cse34 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967359) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 62 (* (div (+ .cse34 1) 2147483648) 4294967296)) (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 64) 4294967296) 4294967296) (* 2 .cse34)))) (let ((.cse35 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967343) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 46 (* 4294967296 (div (+ .cse35 1) 2147483648))) (+ (* 2 .cse35) (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 48) 4294967296))))) (let ((.cse36 (div (+ 4294967341 |c_ULTIMATE.start_main_~x~0#1|) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 44 (* (div (+ .cse36 1) 2147483648) 4294967296)) (+ (* .cse36 2) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 46) 4294967296) 4294967296)))) (let ((.cse37 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967329) 2))) (< (+ (* (div (+ .cse37 1) 2147483648) 4294967296) |c_ULTIMATE.start_main_~x~0#1| 32) (+ (* 2 .cse37) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 34) 4294967296) 4294967296)))) (let ((.cse38 (div (+ 4294967315 |c_ULTIMATE.start_main_~x~0#1|) 2))) (< (+ (* (div (+ .cse38 1) 2147483648) 4294967296) |c_ULTIMATE.start_main_~x~0#1| 18) (+ (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296)) (* .cse38 2)))) (let ((.cse39 (div (+ 4294967339 |c_ULTIMATE.start_main_~x~0#1|) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 42 (* (div (+ .cse39 1) 2147483648) 4294967296)) (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 44) 4294967296) 4294967296) (* .cse39 2)))) (let ((.cse40 (div (+ 4294967379 |c_ULTIMATE.start_main_~x~0#1|) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 82 (* (div (+ .cse40 1) 2147483648) 4294967296)) (+ (* 2 .cse40) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 84) 4294967296) 4294967296)))) (let ((.cse41 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967369) 2))) (< (+ (* (div (+ .cse41 1) 2147483648) 4294967296) |c_ULTIMATE.start_main_~x~0#1| 72) (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 74) 4294967296) 4294967296) (* 2 .cse41)))) (let ((.cse42 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967383) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* (div (+ .cse42 1) 2147483648) 4294967296) 86) (+ (* .cse42 2) (* 4294967296 (div (+ 88 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))))) (let ((.cse43 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967295) 2))) (< (+ (* (div (+ .cse43 1) 2147483648) 4294967296) |c_ULTIMATE.start_main_~x~0#1|) (+ (* 2 .cse43) 2 (* (div |c_ULTIMATE.start_main_~x~0#1| 4294967296) 4294967296)))) (let ((.cse44 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967317) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* (div (+ .cse44 1) 2147483648) 4294967296) 20) (+ (* 2 .cse44) (* 4294967296 (div (+ |c_ULTIMATE.start_main_~x~0#1| 22) 4294967296))))) (let ((.cse45 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967331) 2))) (< (+ |c_ULTIMATE.start_main_~x~0#1| 34 (* (div (+ .cse45 1) 2147483648) 4294967296)) (+ (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 36) 4294967296) 4294967296) (* 2 .cse45)))) (let ((.cse46 (div (+ |c_ULTIMATE.start_main_~x~0#1| 4294967373) 2))) (< (+ 76 |c_ULTIMATE.start_main_~x~0#1| (* 4294967296 (div (+ .cse46 1) 2147483648))) (+ (* .cse46 2) (* (div (+ |c_ULTIMATE.start_main_~x~0#1| 78) 4294967296) 4294967296))))) is different from false Killed by 15