./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_4-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9950a3ef699b75b517ce9b65b2c32dbbe13ac0a027bb7e02ceeaeee924f6aade --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:47:36,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:47:36,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:47:36,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:47:36,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:47:36,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:47:36,428 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:47:36,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:47:36,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:47:36,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:47:36,431 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:47:36,431 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:47:36,432 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:47:36,432 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:47:36,433 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:47:36,433 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:47:36,433 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:47:36,434 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:47:36,434 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:47:36,435 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:47:36,435 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:47:36,440 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:47:36,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:47:36,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:47:36,441 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:47:36,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:47:36,442 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:47:36,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:47:36,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:47:36,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:47:36,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:47:36,444 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:47:36,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:47:36,444 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:47:36,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:47:36,445 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:47:36,445 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:47:36,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:47:36,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:47:36,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:47:36,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:47:36,446 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:47:36,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:47:36,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:47:36,447 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:47:36,447 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:47:36,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:47:36,447 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9950a3ef699b75b517ce9b65b2c32dbbe13ac0a027bb7e02ceeaeee924f6aade [2023-12-02 19:47:36,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:47:36,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:47:36,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:47:36,706 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:47:36,706 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:47:36,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/loop-acceleration/simple_4-1.c [2023-12-02 19:47:39,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:47:39,686 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:47:39,687 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/sv-benchmarks/c/loop-acceleration/simple_4-1.c [2023-12-02 19:47:39,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/data/c923d9e7c/e1dfa73fcbf840dba6469bc2a08cb76a/FLAG71cbf0f8b [2023-12-02 19:47:39,708 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/data/c923d9e7c/e1dfa73fcbf840dba6469bc2a08cb76a [2023-12-02 19:47:39,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:47:39,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:47:39,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:47:39,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:47:39,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:47:39,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:47:39" (1/1) ... [2023-12-02 19:47:39,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a55501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:47:39, skipping insertion in model container [2023-12-02 19:47:39,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:47:39" (1/1) ... [2023-12-02 19:47:39,739 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:47:39,880 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/sv-benchmarks/c/loop-acceleration/simple_4-1.c[322,335] [2023-12-02 19:47:39,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:47:39,899 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:47:39,912 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/sv-benchmarks/c/loop-acceleration/simple_4-1.c[322,335] [2023-12-02 19:47:39,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:47:39,926 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:47:39,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:47:39 WrapperNode [2023-12-02 19:47:39,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:47:39,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:47:39,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:47:39,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:47:39,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:47:39" (1/1) ... [2023-12-02 19:47:39,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:47:39" (1/1) ... [2023-12-02 19:47:39,953 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2023-12-02 19:47:39,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:47:39,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:47:39,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:47:39,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:47:39,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:47:39" (1/1) ... [2023-12-02 19:47:39,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:47:39" (1/1) ... [2023-12-02 19:47:39,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:47:39" (1/1) ... [2023-12-02 19:47:39,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:47:39" (1/1) ... [2023-12-02 19:47:39,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:47:39" (1/1) ... [2023-12-02 19:47:39,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:47:39" (1/1) ... [2023-12-02 19:47:39,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:47:39" (1/1) ... [2023-12-02 19:47:39,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:47:39" (1/1) ... [2023-12-02 19:47:39,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:47:39,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:47:39,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:47:39,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:47:39,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:47:39" (1/1) ... [2023-12-02 19:47:39,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:47:39,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:47:40,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:47:40,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:47:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:47:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:47:40,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:47:40,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:47:40,100 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:47:40,103 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:47:40,183 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:47:40,213 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:47:40,213 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:47:40,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:47:40 BoogieIcfgContainer [2023-12-02 19:47:40,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:47:40,218 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:47:40,219 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:47:40,222 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:47:40,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:47:39" (1/3) ... [2023-12-02 19:47:40,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432787b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:47:40, skipping insertion in model container [2023-12-02 19:47:40,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:47:39" (2/3) ... [2023-12-02 19:47:40,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432787b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:47:40, skipping insertion in model container [2023-12-02 19:47:40,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:47:40" (3/3) ... [2023-12-02 19:47:40,225 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_4-1.c [2023-12-02 19:47:40,245 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:47:40,246 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:47:40,287 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:47:40,294 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6ff17ac7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:47:40,294 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:47:40,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 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) [2023-12-02 19:47:40,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 19:47:40,304 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:47:40,304 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 19:47:40,305 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:47:40,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:47:40,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1850503, now seen corresponding path program 1 times [2023-12-02 19:47:40,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:47:40,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035046624] [2023-12-02 19:47:40,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:47:40,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:47:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:47:40,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:47:40,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:47:40,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035046624] [2023-12-02 19:47:40,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035046624] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:47:40,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:47:40,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:47:40,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113547283] [2023-12-02 19:47:40,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:47:40,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:47:40,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:47:40,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:47:40,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:47:40,613 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-12-02 19:47:40,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:47:40,638 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2023-12-02 19:47:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:47:40,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2023-12-02 19:47:40,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:47:40,649 INFO L225 Difference]: With dead ends: 13 [2023-12-02 19:47:40,649 INFO L226 Difference]: Without dead ends: 6 [2023-12-02 19:47:40,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:47:40,656 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 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 [2023-12-02 19:47:40,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:47:40,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2023-12-02 19:47:40,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2023-12-02 19:47:40,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2023-12-02 19:47:40,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 19:47:40,690 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2023-12-02 19:47:40,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:47:40,690 INFO L495 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2023-12-02 19:47:40,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-12-02 19:47:40,691 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 19:47:40,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 19:47:40,691 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:47:40,691 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-12-02 19:47:40,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:47:40,692 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:47:40,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:47:40,693 INFO L85 PathProgramCache]: Analyzing trace with hash 56695734, now seen corresponding path program 1 times [2023-12-02 19:47:40,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:47:40,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187158971] [2023-12-02 19:47:40,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:47:40,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:47:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:47:40,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:47:40,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:47:40,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187158971] [2023-12-02 19:47:40,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187158971] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:47:40,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890552716] [2023-12-02 19:47:40,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:47:40,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:47:40,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:47:40,813 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:47:40,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 19:47:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:47:40,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 19:47:40,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:47:40,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:47:40,897 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:47:40,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:47:40,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890552716] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:47:40,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [262245632] [2023-12-02 19:47:40,949 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2023-12-02 19:47:40,949 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 19:47:40,952 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 19:47:40,958 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 19:47:40,958 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 19:47:41,119 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 19:47:41,191 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '67#(and (<= 1 |#StackHeapBarrier|) (not (= (mod |ULTIMATE.start_main_~x~0#1| 2) 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (mod |ULTIMATE.start_main_~x~0#1| 4294967296) 1) (<= |ULTIMATE.start_main_~x~0#1| 268435441) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-12-02 19:47:41,191 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 19:47:41,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 19:47:41,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-12-02 19:47:41,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517957360] [2023-12-02 19:47:41,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 19:47:41,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 19:47:41,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:47:41,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 19:47:41,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-02 19:47:41,195 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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) [2023-12-02 19:47:41,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:47:41,234 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2023-12-02 19:47:41,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 19:47:41,235 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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 [2023-12-02 19:47:41,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:47:41,235 INFO L225 Difference]: With dead ends: 12 [2023-12-02 19:47:41,235 INFO L226 Difference]: Without dead ends: 9 [2023-12-02 19:47:41,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-12-02 19:47:41,238 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:47:41,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:47:41,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-02 19:47:41,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-12-02 19:47:41,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2023-12-02 19:47:41,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-12-02 19:47:41,243 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-12-02 19:47:41,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:47:41,244 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-12-02 19:47:41,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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) [2023-12-02 19:47:41,244 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-12-02 19:47:41,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 19:47:41,245 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:47:41,245 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1] [2023-12-02 19:47:41,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:47:41,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:47:41,446 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:47:41,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:47:41,446 INFO L85 PathProgramCache]: Analyzing trace with hash 435294279, now seen corresponding path program 2 times [2023-12-02 19:47:41,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:47:41,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434962134] [2023-12-02 19:47:41,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:47:41,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:47:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:47:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:47:41,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:47:41,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434962134] [2023-12-02 19:47:41,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434962134] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:47:41,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015415149] [2023-12-02 19:47:41,588 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 19:47:41,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:47:41,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:47:41,591 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:47:41,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 19:47:41,641 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-12-02 19:47:41,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 19:47:41,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 19:47:41,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:47:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:47:41,665 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:47:41,769 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:47:41,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015415149] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:47:41,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [697137193] [2023-12-02 19:47:41,772 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2023-12-02 19:47:41,772 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 19:47:41,773 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 19:47:41,773 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 19:47:41,773 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 19:47:41,860 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 19:47:41,952 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '158#(and (<= 1 |#StackHeapBarrier|) (not (= (mod |ULTIMATE.start_main_~x~0#1| 2) 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (mod |ULTIMATE.start_main_~x~0#1| 4294967296) 1) (<= |ULTIMATE.start_main_~x~0#1| 268435441) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-12-02 19:47:41,953 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 19:47:41,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 19:47:41,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-12-02 19:47:41,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857789829] [2023-12-02 19:47:41,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 19:47:41,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 19:47:41,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:47:41,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 19:47:41,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2023-12-02 19:47:41,955 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 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) [2023-12-02 19:47:42,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:47:42,414 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2023-12-02 19:47:42,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 19:47:42,415 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 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) Word has length 8 [2023-12-02 19:47:42,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:47:42,415 INFO L225 Difference]: With dead ends: 18 [2023-12-02 19:47:42,415 INFO L226 Difference]: Without dead ends: 15 [2023-12-02 19:47:42,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2023-12-02 19:47:42,417 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:47:42,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 6 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:47:42,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-12-02 19:47:42,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-12-02 19:47:42,424 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) [2023-12-02 19:47:42,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-12-02 19:47:42,424 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2023-12-02 19:47:42,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:47:42,425 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-12-02 19:47:42,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 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) [2023-12-02 19:47:42,425 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-12-02 19:47:42,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 19:47:42,426 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:47:42,426 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1] [2023-12-02 19:47:42,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 19:47:42,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:47:42,627 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:47:42,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:47:42,627 INFO L85 PathProgramCache]: Analyzing trace with hash 2046822887, now seen corresponding path program 3 times [2023-12-02 19:47:42,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:47:42,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062607219] [2023-12-02 19:47:42,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:47:42,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:47:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:47:42,874 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:47:42,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:47:42,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062607219] [2023-12-02 19:47:42,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062607219] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:47:42,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548731536] [2023-12-02 19:47:42,875 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 19:47:42,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:47:42,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:47:42,877 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:47:42,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 19:47:42,927 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 19:47:42,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 19:47:42,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 19:47:42,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:47:42,966 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:47:42,966 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:47:43,281 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:47:43,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548731536] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:47:43,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [404307856] [2023-12-02 19:47:43,284 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2023-12-02 19:47:43,284 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 19:47:43,284 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 19:47:43,285 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 19:47:43,285 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 19:47:43,361 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 19:47:43,485 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '329#(and (<= 1 |#StackHeapBarrier|) (not (= (mod |ULTIMATE.start_main_~x~0#1| 2) 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (mod |ULTIMATE.start_main_~x~0#1| 4294967296) 1) (<= |ULTIMATE.start_main_~x~0#1| 268435441) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-12-02 19:47:43,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 19:47:43,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 19:47:43,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2023-12-02 19:47:43,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061052564] [2023-12-02 19:47:43,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 19:47:43,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 19:47:43,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:47:43,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 19:47:43,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2023-12-02 19:47:43,488 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 25 states, 25 states have (on average 1.12) internal successors, (28), 24 states have internal predecessors, (28), 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) [2023-12-02 19:47:55,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:47:55,567 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2023-12-02 19:47:55,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 19:47:55,568 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.12) internal successors, (28), 24 states have internal predecessors, (28), 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 [2023-12-02 19:47:55,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:47:55,569 INFO L225 Difference]: With dead ends: 30 [2023-12-02 19:47:55,569 INFO L226 Difference]: Without dead ends: 27 [2023-12-02 19:47:55,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=496, Invalid=986, Unknown=0, NotChecked=0, Total=1482 [2023-12-02 19:47:55,571 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 20 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 19:47:55,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 6 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 19:47:55,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-12-02 19:47:55,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-12-02 19:47:55,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 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) [2023-12-02 19:47:55,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2023-12-02 19:47:55,582 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 14 [2023-12-02 19:47:55,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:47:55,582 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2023-12-02 19:47:55,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.12) internal successors, (28), 24 states have internal predecessors, (28), 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) [2023-12-02 19:47:55,582 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2023-12-02 19:47:55,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 19:47:55,583 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:47:55,583 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1] [2023-12-02 19:47:55,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 19:47:55,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:47:55,784 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:47:55,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:47:55,784 INFO L85 PathProgramCache]: Analyzing trace with hash 328783143, now seen corresponding path program 4 times [2023-12-02 19:47:55,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:47:55,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417388723] [2023-12-02 19:47:55,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:47:55,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:47:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:47:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:47:56,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:47:56,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417388723] [2023-12-02 19:47:56,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417388723] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:47:56,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925924520] [2023-12-02 19:47:56,274 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-12-02 19:47:56,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:47:56,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:47:56,275 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:47:56,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 19:47:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:47:56,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 19:47:56,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:47:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:47:56,417 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:47:57,393 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:47:57,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925924520] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:47:57,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [814301432] [2023-12-02 19:47:57,396 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2023-12-02 19:47:57,396 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 19:47:57,396 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 19:47:57,397 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 19:47:57,397 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 19:47:57,445 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 19:47:57,640 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '656#(and (<= 1 |#StackHeapBarrier|) (not (= (mod |ULTIMATE.start_main_~x~0#1| 2) 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (mod |ULTIMATE.start_main_~x~0#1| 4294967296) 1) (<= |ULTIMATE.start_main_~x~0#1| 268435441) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-12-02 19:47:57,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 19:47:57,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 19:47:57,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2023-12-02 19:47:57,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628550066] [2023-12-02 19:47:57,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 19:47:57,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-12-02 19:47:57,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:47:57,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-12-02 19:47:57,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=723, Invalid=1929, Unknown=0, NotChecked=0, Total=2652 [2023-12-02 19:47:57,644 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 49 states, 49 states have (on average 1.0612244897959184) internal successors, (52), 48 states have internal predecessors, (52), 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) [2023-12-02 19:47:59,892 WARN L854 $PredicateComparison]: unable to prove that (and (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967258) 4294967296)) (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296)) (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967252) 4294967296)) (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967256) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296)) (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967254) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296)) (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) is different from false [2023-12-02 19:49:04,365 WARN L293 SmtUtils]: Spent 47.27s on a formula simplification. DAG size of input: 90 DAG size of output: 90 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:50:02,197 WARN L293 SmtUtils]: Spent 37.85s on a formula simplification. DAG size of input: 86 DAG size of output: 86 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:50:04,233 WARN L854 $PredicateComparison]: unable to prove that (and (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967258) 4294967296)) (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296)) (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296)) (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296)) (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) is different from false [2023-12-02 19:50:43,773 WARN L293 SmtUtils]: Spent 27.37s on a formula simplification. DAG size of input: 78 DAG size of output: 78 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:51:32,199 WARN L293 SmtUtils]: Spent 26.33s on a formula simplification. DAG size of input: 74 DAG size of output: 74 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:51:34,950 WARN L854 $PredicateComparison]: unable to prove that (and (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296)) (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296)) (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296)) (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) is different from false [2023-12-02 19:51:57,156 WARN L293 SmtUtils]: Spent 13.88s on a formula simplification. DAG size of input: 66 DAG size of output: 66 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:52:12,382 WARN L293 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 62 DAG size of output: 62 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:52:14,425 WARN L854 $PredicateComparison]: unable to prove that (and (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296)) (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296)) (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296)) (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) is different from false [2023-12-02 19:52:35,384 WARN L293 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 50 DAG size of output: 50 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:54:01,724 WARN L293 SmtUtils]: Spent 46.66s on a formula simplification. DAG size of input: 92 DAG size of output: 92 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:54:01,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:54:01,726 INFO L93 Difference]: Finished difference Result 54 states and 77 transitions. [2023-12-02 19:54:01,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-12-02 19:54:01,726 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.0612244897959184) internal successors, (52), 48 states have internal predecessors, (52), 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 26 [2023-12-02 19:54:01,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:54:01,727 INFO L225 Difference]: With dead ends: 54 [2023-12-02 19:54:01,727 INFO L226 Difference]: Without dead ends: 51 [2023-12-02 19:54:01,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 363.0s TimeCoverageRelationStatistics Valid=1603, Invalid=3379, Unknown=4, NotChecked=564, Total=5550 [2023-12-02 19:54:01,730 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 44 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 122 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 19:54:01,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 36 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 588 Invalid, 0 Unknown, 122 Unchecked, 2.5s Time] [2023-12-02 19:54:01,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-12-02 19:54:01,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-12-02 19:54:01,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.02) internal successors, (51), 50 states have internal predecessors, (51), 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) [2023-12-02 19:54:01,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2023-12-02 19:54:01,748 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 26 [2023-12-02 19:54:01,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:54:01,748 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2023-12-02 19:54:01,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.0612244897959184) internal successors, (52), 48 states have internal predecessors, (52), 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) [2023-12-02 19:54:01,749 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2023-12-02 19:54:01,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 19:54:01,750 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:54:01,750 INFO L195 NwaCegarLoop]: trace histogram [46, 1, 1, 1, 1] [2023-12-02 19:54:01,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 19:54:01,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:54:01,950 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:54:01,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:54:01,951 INFO L85 PathProgramCache]: Analyzing trace with hash 987089831, now seen corresponding path program 5 times [2023-12-02 19:54:01,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:54:01,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63015814] [2023-12-02 19:54:01,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:54:01,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:54:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:54:03,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:54:03,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:54:03,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63015814] [2023-12-02 19:54:03,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63015814] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:54:03,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440513920] [2023-12-02 19:54:03,626 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 19:54:03,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:54:03,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:54:03,627 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:54:03,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32b437fa-470d-4f37-912b-8a828a566f23/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 19:54:05,634 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2023-12-02 19:54:05,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 19:54:05,640 WARN L260 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 101 conjunts are in the unsatisfiable core [2023-12-02 19:54:05,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:54:05,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:54:05,744 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:54:10,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:54:10,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440513920] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:54:10,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2099863883] [2023-12-02 19:54:10,484 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2023-12-02 19:54:10,484 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 19:54:10,485 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 19:54:10,485 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 19:54:10,485 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 19:54:10,529 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 19:54:10,857 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1296#(and (<= 1 |#StackHeapBarrier|) (not (= (mod |ULTIMATE.start_main_~x~0#1| 2) 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (mod |ULTIMATE.start_main_~x~0#1| 4294967296) 1) (<= |ULTIMATE.start_main_~x~0#1| 268435441) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-12-02 19:54:10,857 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 19:54:10,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 19:54:10,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 49] total 97 [2023-12-02 19:54:10,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356445894] [2023-12-02 19:54:10,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 19:54:10,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2023-12-02 19:54:10,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:54:10,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2023-12-02 19:54:10,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2597, Invalid=7503, Unknown=0, NotChecked=0, Total=10100 [2023-12-02 19:54:10,864 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand has 98 states, 98 states have (on average 1.030612244897959) internal successors, (101), 97 states have internal predecessors, (101), 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) [2023-12-02 19:54:13,789 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_ULTIMATE.start_main_~x~0#1| 2) 0))) (and (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967254) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967258) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967208) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296))) (or (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967206 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (or (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967218) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967204) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967216) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967210 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967212 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967220) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967252) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967256) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967238) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) .cse0) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967214) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296))))) is different from false [2023-12-02 19:54:15,807 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_ULTIMATE.start_main_~x~0#1| 2) 0))) (and (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967254) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967258) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967208) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296))) (or (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967206 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (or (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967218) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967216) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967210 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967212 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967220) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967252) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967256) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967238) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) .cse0) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967214) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296))))) is different from false [2023-12-02 19:54:17,827 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_ULTIMATE.start_main_~x~0#1| 2) 0))) (and (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967254) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967258) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967208) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296))) (or (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (or (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967218) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967216) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967210 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967212 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967220) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967252) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967256) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967238) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) .cse0) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967214) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296))))) is different from false [2023-12-02 19:54:19,844 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_ULTIMATE.start_main_~x~0#1| 2) 0))) (and (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967254) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967258) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296))) (or (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (or (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967218) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967216) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967210 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967212 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967220) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967252) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967256) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967238) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) .cse0) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967214) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296))))) is different from false [2023-12-02 19:54:21,868 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_ULTIMATE.start_main_~x~0#1| 2) 0))) (and (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967254) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967258) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296))) (or (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (or (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967218) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967216) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967212 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967220) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967252) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967256) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967238) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) .cse0) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967214) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296))))) is different from false [2023-12-02 19:54:23,894 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_ULTIMATE.start_main_~x~0#1| 2) 0))) (and (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967254) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967258) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296))) (or (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (or (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967218) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967216) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967220) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967252) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967256) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967238) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) .cse0) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967214) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296))))) is different from false [2023-12-02 19:54:25,914 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_ULTIMATE.start_main_~x~0#1| 2) 0))) (and (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967254) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967258) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296))) (or (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (or (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967218) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967216) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967220) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967252) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967256) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967238) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) .cse0) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296))))) is different from false [2023-12-02 19:54:27,932 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_ULTIMATE.start_main_~x~0#1| 2) 0))) (and (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967254) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967258) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296))) (or (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (or (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967218) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967220) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967252) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967256) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967238) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) .cse0) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296))))) is different from false [2023-12-02 19:54:29,954 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_ULTIMATE.start_main_~x~0#1| 2) 0))) (and (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967254) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967258) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296))) (or (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (or (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967220) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967252) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967256) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967238) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) .cse0) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296))))) is different from false [2023-12-02 19:54:31,970 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_ULTIMATE.start_main_~x~0#1| 2) 0))) (and (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967254) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967258) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296))) (or (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (or (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967252) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967256) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967238) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) .cse0) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296))))) is different from false [2023-12-02 19:54:33,984 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_ULTIMATE.start_main_~x~0#1| 2) 0))) (and (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967254) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967258) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296))) (or (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (or (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967252) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967256) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967238) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) .cse0) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296))))) is different from false [2023-12-02 19:54:36,004 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_ULTIMATE.start_main_~x~0#1| 2) 0))) (and (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967254) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967258) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296))) (or (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (or (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967252) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967256) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967238) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) .cse0) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296))))) is different from false [2023-12-02 19:54:38,017 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_ULTIMATE.start_main_~x~0#1| 2) 0))) (and (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967254) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967258) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296))) (or (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (or (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967252) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967256) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967238) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) .cse0) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296))))) is different from false [2023-12-02 19:58:32,997 WARN L293 SmtUtils]: Spent 2.46m on a formula simplification that was a NOOP. DAG size: 176 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:58:35,024 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_ULTIMATE.start_main_~x~0#1| 2) 0))) (and (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967280) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967254) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967258) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967208) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967294) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296))) (or (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967206 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (or (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or (< 1 (mod (+ 4294967276 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967218) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967204) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967216) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967210 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967212 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967220) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967288) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967252) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967256) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967238) 4294967296))) (not (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967270) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967264) 4294967296)) .cse0) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967268) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967286) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967278) 4294967296))) (or (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) .cse0) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967266) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967214) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ 4294967292 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296))) (or .cse0 (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296))))) is different from false [2023-12-02 19:58:36,042 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 [] [2023-12-02 19:58:38,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:40,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:42,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:44,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:47,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:49,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:51,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:53,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:57,756 WARN L293 SmtUtils]: Spent 2.60m on a formula simplification that was a NOOP. DAG size: 171 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 20:02:59,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:01,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:03,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []