./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 8393723b 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_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:37:07,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:37:07,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:37:07,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:37:07,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:37:07,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:37:07,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:37:07,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:37:07,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:37:07,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:37:07,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:37:07,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:37:07,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:37:07,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:37:07,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:37:07,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:37:07,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:37:07,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:37:07,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:37:07,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:37:07,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:37:07,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:37:07,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:37:07,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:37:07,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:37:07,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:37:07,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:37:07,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:37:07,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:37:07,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:37:07,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:37:07,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:37:07,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:37:07,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:37:07,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:37:07,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:37:07,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:37:07,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:37:07,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:37:07,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:37:07,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:37:07,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:37:07,459 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:37:07,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:37:07,460 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:37:07,460 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:37:07,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:37:07,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:37:07,462 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:37:07,462 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:37:07,463 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:37:07,463 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:37:07,464 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:37:07,465 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:37:07,465 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:37:07,465 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:37:07,466 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:37:07,466 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:37:07,466 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:37:07,467 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:37:07,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:37:07,468 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:37:07,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:37:07,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:37:07,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:37:07,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:37:07,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:37:07,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:37:07,472 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:37:07,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:37:07,472 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:37:07,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:37:07,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:37:07,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:37:07,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:37:07,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:37:07,475 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:37:07,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:37:07,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:37:07,476 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:37:07,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:37:07,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:37:07,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:37:07,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9950a3ef699b75b517ce9b65b2c32dbbe13ac0a027bb7e02ceeaeee924f6aade [2022-11-19 07:37:07,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:37:07,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:37:07,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:37:07,855 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:37:07,858 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:37:07,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/loop-acceleration/simple_4-1.c [2022-11-19 07:37:07,964 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/data/9f2e1f53c/5192df635bfb4c1da5ac39ff9493c05a/FLAG84e4b6910 [2022-11-19 07:37:08,479 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:37:08,480 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/sv-benchmarks/c/loop-acceleration/simple_4-1.c [2022-11-19 07:37:08,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/data/9f2e1f53c/5192df635bfb4c1da5ac39ff9493c05a/FLAG84e4b6910 [2022-11-19 07:37:08,855 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/data/9f2e1f53c/5192df635bfb4c1da5ac39ff9493c05a [2022-11-19 07:37:08,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:37:08,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:37:08,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:37:08,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:37:08,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:37:08,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:08" (1/1) ... [2022-11-19 07:37:08,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42046906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:08, skipping insertion in model container [2022-11-19 07:37:08,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:08" (1/1) ... [2022-11-19 07:37:08,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:37:08,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:37:09,110 WARN L234 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_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/sv-benchmarks/c/loop-acceleration/simple_4-1.c[322,335] [2022-11-19 07:37:09,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:37:09,139 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:37:09,153 WARN L234 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_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/sv-benchmarks/c/loop-acceleration/simple_4-1.c[322,335] [2022-11-19 07:37:09,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:37:09,170 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:37:09,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09 WrapperNode [2022-11-19 07:37:09,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:37:09,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:37:09,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:37:09,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:37:09,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2022-11-19 07:37:09,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2022-11-19 07:37:09,205 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2022-11-19 07:37:09,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:37:09,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:37:09,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:37:09,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:37:09,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2022-11-19 07:37:09,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2022-11-19 07:37:09,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2022-11-19 07:37:09,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2022-11-19 07:37:09,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2022-11-19 07:37:09,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2022-11-19 07:37:09,233 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2022-11-19 07:37:09,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2022-11-19 07:37:09,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:37:09,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:37:09,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:37:09,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:37:09,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2022-11-19 07:37:09,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:37:09,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:09,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:37:09,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:37:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:37:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:37:09,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:37:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:37:09,376 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:37:09,378 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:37:09,470 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:37:09,493 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:37:09,493 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:37:09,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:09 BoogieIcfgContainer [2022-11-19 07:37:09,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:37:09,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:37:09,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:37:09,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:37:09,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:37:08" (1/3) ... [2022-11-19 07:37:09,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10173e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:09, skipping insertion in model container [2022-11-19 07:37:09,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (2/3) ... [2022-11-19 07:37:09,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10173e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:09, skipping insertion in model container [2022-11-19 07:37:09,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:09" (3/3) ... [2022-11-19 07:37:09,508 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_4-1.c [2022-11-19 07:37:09,526 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:37:09,526 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:37:09,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:37:09,583 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=LoopsAndPotentialCycles, 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;@3c0f2dfe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:37:09,583 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:37:09,587 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) [2022-11-19 07:37:09,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:37:09,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:09,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:37:09,594 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:09,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:09,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1850503, now seen corresponding path program 1 times [2022-11-19 07:37:09,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:09,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126759725] [2022-11-19 07:37:09,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:09,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:09,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:09,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:09,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126759725] [2022-11-19 07:37:09,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126759725] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:09,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:09,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:37:10,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102303560] [2022-11-19 07:37:10,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:10,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:10,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:10,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:10,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:10,034 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) [2022-11-19 07:37:10,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:10,062 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2022-11-19 07:37:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:10,065 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 [2022-11-19 07:37:10,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:10,086 INFO L225 Difference]: With dead ends: 13 [2022-11-19 07:37:10,087 INFO L226 Difference]: Without dead ends: 6 [2022-11-19 07:37:10,089 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 [2022-11-19 07:37:10,093 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 [2022-11-19 07:37:10,094 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] [2022-11-19 07:37:10,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2022-11-19 07:37:10,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2022-11-19 07:37:10,146 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) [2022-11-19 07:37:10,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-11-19 07:37:10,148 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2022-11-19 07:37:10,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:10,148 INFO L495 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2022-11-19 07:37:10,148 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) [2022-11-19 07:37:10,149 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2022-11-19 07:37:10,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 07:37:10,149 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:10,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 07:37:10,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:37:10,150 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:10,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:10,167 INFO L85 PathProgramCache]: Analyzing trace with hash 56695734, now seen corresponding path program 1 times [2022-11-19 07:37:10,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:10,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049851882] [2022-11-19 07:37:10,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:10,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:10,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:10,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:10,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049851882] [2022-11-19 07:37:10,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049851882] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:10,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596166800] [2022-11-19 07:37:10,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:10,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:10,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:10,354 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:10,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:37:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:10,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:37:10,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:10,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:10,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:37:10,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:10,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596166800] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:37:10,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1900693729] [2022-11-19 07:37:10,551 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2022-11-19 07:37:10,552 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:37:10,555 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:37:10,560 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:37:10,561 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:37:10,744 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:37:10,940 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '69#(and (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (not (< 1 (mod |ULTIMATE.start_main_~x~0#1| 4294967296))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (mod (mod |ULTIMATE.start_main_~x~0#1| 2) 4294967296) 0) 1 0)) (<= |ULTIMATE.start_main_~x~0#1| 268435441) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-19 07:37:10,941 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:37:10,941 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:37:10,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-19 07:37:10,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300055037] [2022-11-19 07:37:10,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 07:37:10,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:37:10,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:10,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:37:10,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:37:10,944 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) [2022-11-19 07:37:10,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:10,986 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2022-11-19 07:37:10,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:37:10,987 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 [2022-11-19 07:37:10,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:10,987 INFO L225 Difference]: With dead ends: 12 [2022-11-19 07:37:10,987 INFO L226 Difference]: Without dead ends: 9 [2022-11-19 07:37:10,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:37:10,989 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:10,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:37:10,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-19 07:37:10,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-19 07:37:10,994 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) [2022-11-19 07:37:10,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-19 07:37:10,995 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-19 07:37:10,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:10,995 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-19 07:37:10,995 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) [2022-11-19 07:37:10,996 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-19 07:37:10,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:37:10,996 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:10,996 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1] [2022-11-19 07:37:11,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 07:37:11,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:11,202 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:11,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:11,203 INFO L85 PathProgramCache]: Analyzing trace with hash 435294279, now seen corresponding path program 2 times [2022-11-19 07:37:11,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:11,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101228061] [2022-11-19 07:37:11,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:11,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:11,415 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:11,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:11,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101228061] [2022-11-19 07:37:11,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101228061] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:11,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772158878] [2022-11-19 07:37:11,422 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 07:37:11,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:11,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:11,424 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:11,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:37:11,493 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-19 07:37:11,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 07:37:11,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-19 07:37:11,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:11,547 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:11,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:37:11,651 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:11,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772158878] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:37:11,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1369562374] [2022-11-19 07:37:11,654 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2022-11-19 07:37:11,654 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:37:11,655 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:37:11,655 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:37:11,655 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:37:11,753 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:37:11,981 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '160#(and (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (not (< 1 (mod |ULTIMATE.start_main_~x~0#1| 4294967296))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (mod (mod |ULTIMATE.start_main_~x~0#1| 2) 4294967296) 0) 1 0)) (<= |ULTIMATE.start_main_~x~0#1| 268435441) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-19 07:37:11,982 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:37:11,982 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:37:11,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-11-19 07:37:11,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948002220] [2022-11-19 07:37:11,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 07:37:11,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 07:37:11,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:11,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 07:37:11,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2022-11-19 07:37:11,984 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) [2022-11-19 07:37:12,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:12,401 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-19 07:37:12,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 07:37:12,402 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 [2022-11-19 07:37:12,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:12,402 INFO L225 Difference]: With dead ends: 18 [2022-11-19 07:37:12,402 INFO L226 Difference]: Without dead ends: 15 [2022-11-19 07:37:12,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-11-19 07:37:12,404 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:12,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 6 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:37:12,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-19 07:37:12,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-19 07:37:12,412 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) [2022-11-19 07:37:12,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-19 07:37:12,413 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2022-11-19 07:37:12,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:12,413 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-19 07:37:12,413 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) [2022-11-19 07:37:12,414 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-19 07:37:12,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-19 07:37:12,414 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:12,414 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1] [2022-11-19 07:37:12,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:12,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:12,620 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:12,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:12,620 INFO L85 PathProgramCache]: Analyzing trace with hash 2046822887, now seen corresponding path program 3 times [2022-11-19 07:37:12,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:12,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400106251] [2022-11-19 07:37:12,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:12,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:13,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:13,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400106251] [2022-11-19 07:37:13,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400106251] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:13,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194709054] [2022-11-19 07:37:13,054 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-19 07:37:13,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:13,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:13,056 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:13,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:37:13,119 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-19 07:37:13,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 07:37:13,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-19 07:37:13,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:13,242 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:13,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:37:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:13,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194709054] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:37:13,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1714940157] [2022-11-19 07:37:13,650 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2022-11-19 07:37:13,650 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:37:13,650 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:37:13,651 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:37:13,651 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:37:13,707 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:37:14,004 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '331#(and (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (not (< 1 (mod |ULTIMATE.start_main_~x~0#1| 4294967296))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (mod (mod |ULTIMATE.start_main_~x~0#1| 2) 4294967296) 0) 1 0)) (<= |ULTIMATE.start_main_~x~0#1| 268435441) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-19 07:37:14,005 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:37:14,005 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:37:14,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2022-11-19 07:37:14,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54108324] [2022-11-19 07:37:14,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 07:37:14,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-19 07:37:14,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:14,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-19 07:37:14,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2022-11-19 07:37:14,007 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) [2022-11-19 07:37:27,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:27,056 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2022-11-19 07:37:27,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-19 07:37:27,057 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 [2022-11-19 07:37:27,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:27,057 INFO L225 Difference]: With dead ends: 30 [2022-11-19 07:37:27,058 INFO L226 Difference]: Without dead ends: 27 [2022-11-19 07:37:27,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=496, Invalid=986, Unknown=0, NotChecked=0, Total=1482 [2022-11-19 07:37:27,060 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 20 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:27,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 8 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 07:37:27,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-19 07:37:27,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-19 07:37:27,077 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) [2022-11-19 07:37:27,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2022-11-19 07:37:27,078 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 14 [2022-11-19 07:37:27,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:27,079 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2022-11-19 07:37:27,079 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) [2022-11-19 07:37:27,079 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2022-11-19 07:37:27,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-19 07:37:27,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:27,080 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1] [2022-11-19 07:37:27,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:27,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:27,286 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:27,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:27,286 INFO L85 PathProgramCache]: Analyzing trace with hash 328783143, now seen corresponding path program 4 times [2022-11-19 07:37:27,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:27,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676876379] [2022-11-19 07:37:27,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:27,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:28,099 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:28,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:28,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676876379] [2022-11-19 07:37:28,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676876379] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:28,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474757248] [2022-11-19 07:37:28,100 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-19 07:37:28,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:28,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:28,101 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:28,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:37:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:28,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-19 07:37:28,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:28,324 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:28,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:37:29,782 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:29,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474757248] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:37:29,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [920129291] [2022-11-19 07:37:29,786 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2022-11-19 07:37:29,786 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:37:29,786 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:37:29,787 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:37:29,787 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:37:29,860 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:37:30,240 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '658#(and (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (not (< 1 (mod |ULTIMATE.start_main_~x~0#1| 4294967296))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (mod (mod |ULTIMATE.start_main_~x~0#1| 2) 4294967296) 0) 1 0)) (<= |ULTIMATE.start_main_~x~0#1| 268435441) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-19 07:37:30,241 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:37:30,241 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:37:30,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2022-11-19 07:37:30,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588299526] [2022-11-19 07:37:30,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 07:37:30,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-11-19 07:37:30,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:30,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-11-19 07:37:30,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=723, Invalid=1929, Unknown=0, NotChecked=0, Total=2652 [2022-11-19 07:37:30,245 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) [2022-11-19 07:38:41,458 WARN L233 SmtUtils]: Spent 56.73s on a formula simplification that was a NOOP. DAG size: 94 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:39:42,977 WARN L233 SmtUtils]: Spent 41.26s on a formula simplification that was a NOOP. DAG size: 90 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:39:44,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:33,732 WARN L233 SmtUtils]: Spent 36.56s on a formula simplification that was a NOOP. DAG size: 86 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:41:15,000 WARN L233 SmtUtils]: Spent 31.94s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:41:16,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:58,978 WARN L233 SmtUtils]: Spent 27.97s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:42:25,307 WARN L233 SmtUtils]: Spent 18.85s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:42:59,569 WARN L233 SmtUtils]: Spent 21.29s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:43:25,351 WARN L233 SmtUtils]: Spent 11.52s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:43:40,474 WARN L233 SmtUtils]: Spent 7.87s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:43:49,774 WARN L233 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:43:59,215 WARN L233 SmtUtils]: Spent 5.46s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:45:17,489 WARN L233 SmtUtils]: Spent 39.61s on a formula simplification that was a NOOP. DAG size: 92 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:45:17,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:45:17,492 INFO L93 Difference]: Finished difference Result 54 states and 77 transitions. [2022-11-19 07:45:17,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-11-19 07:45:17,492 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 [2022-11-19 07:45:17,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:45:17,493 INFO L225 Difference]: With dead ends: 54 [2022-11-19 07:45:17,493 INFO L226 Difference]: Without dead ends: 51 [2022-11-19 07:45:17,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 464.1s TimeCoverageRelationStatistics Valid=1851, Invalid=3695, Unknown=4, NotChecked=0, Total=5550 [2022-11-19 07:45:17,496 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 44 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:45:17,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 20 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-19 07:45:17,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-19 07:45:17,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-19 07:45:17,524 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) [2022-11-19 07:45:17,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2022-11-19 07:45:17,529 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 26 [2022-11-19 07:45:17,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:45:17,529 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2022-11-19 07:45:17,532 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) [2022-11-19 07:45:17,532 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2022-11-19 07:45:17,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-19 07:45:17,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:45:17,533 INFO L195 NwaCegarLoop]: trace histogram [46, 1, 1, 1, 1] [2022-11-19 07:45:17,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:45:17,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:45:17,734 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:45:17,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:45:17,735 INFO L85 PathProgramCache]: Analyzing trace with hash 987089831, now seen corresponding path program 5 times [2022-11-19 07:45:17,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:45:17,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559698738] [2022-11-19 07:45:17,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:45:17,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:45:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:45:20,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:45:20,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:45:20,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559698738] [2022-11-19 07:45:20,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559698738] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:45:20,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148598872] [2022-11-19 07:45:20,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 07:45:20,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:45:20,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:45:20,376 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:45:20,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b2b1b7-9778-4cfd-8b49-8e288e2c3f4e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:45:22,670 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2022-11-19 07:45:22,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 07:45:22,678 WARN L261 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 95 conjunts are in the unsatisfiable core [2022-11-19 07:45:22,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:45:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:45:23,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:45:28,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:45:28,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148598872] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:45:28,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1965906926] [2022-11-19 07:45:28,395 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2022-11-19 07:45:28,395 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:45:28,396 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:45:28,396 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:45:28,396 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:45:28,464 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:45:29,140 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1297#(and (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (not (< 1 (mod |ULTIMATE.start_main_~x~0#1| 4294967296))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (mod (mod |ULTIMATE.start_main_~x~0#1| 2) 4294967296) 0) 1 0)) (<= |ULTIMATE.start_main_~x~0#1| 268435441) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-19 07:45:29,140 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:45:29,141 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:45:29,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 96 [2022-11-19 07:45:29,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526099496] [2022-11-19 07:45:29,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 07:45:29,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-11-19 07:45:29,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:45:29,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-11-19 07:45:29,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2595, Invalid=7305, Unknown=0, NotChecked=0, Total=9900 [2022-11-19 07:45:29,145 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand has 97 states, 97 states have (on average 1.0309278350515463) internal successors, (100), 96 states have internal predecessors, (100), 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) [2022-11-19 07:45:32,433 WARN L837 $PredicateComparison]: unable to prove that (and (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) (< 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 (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967204) 4294967296)) (< 1 (mod (+ 4294967206 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296)) (< 1 (mod (+ 4294967210 |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| 4294967220) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967214) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296)) (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296)) (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 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| 4294967218) 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| 4294967208) 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| 4294967238) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 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 (+ 4294967212 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967216) 4294967296)) (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) is different from false [2022-11-19 07:45:34,450 WARN L837 $PredicateComparison]: unable to prove that (and (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) (< 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 (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) (< 1 (mod (+ 4294967206 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296)) (< 1 (mod (+ 4294967210 |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| 4294967220) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967214) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296)) (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296)) (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 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| 4294967218) 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| 4294967208) 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| 4294967238) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 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 (+ 4294967212 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967216) 4294967296)) (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) is different from false [2022-11-19 07:49:21,745 WARN L233 SmtUtils]: Spent 2.75m on a formula simplification that was a NOOP. DAG size: 182 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:49:23,763 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 [] [2022-11-19 07:49:24,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:49:26,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:49:28,915 WARN L837 $PredicateComparison]: unable to prove that (and (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) (< 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 (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296)) (< 1 (mod (+ 4294967210 |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| 4294967220) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967214) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296)) (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296)) (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 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| 4294967218) 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| 4294967238) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 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 (+ 4294967212 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967216) 4294967296)) (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) is different from false [2022-11-19 07:49:30,938 WARN L837 $PredicateComparison]: unable to prove that (and (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) (< 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 (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296)) (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967220) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967214) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296)) (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296)) (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 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| 4294967218) 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| 4294967238) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 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 (+ 4294967212 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967216) 4294967296)) (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) is different from false [2022-11-19 07:49:32,951 WARN L837 $PredicateComparison]: unable to prove that (and (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) (< 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 (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296)) (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967220) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967214) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296)) (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296)) (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 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| 4294967218) 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| 4294967238) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 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 (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967216) 4294967296)) (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) is different from false [2022-11-19 07:49:34,967 WARN L837 $PredicateComparison]: unable to prove that (and (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) (< 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 (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296)) (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967220) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296)) (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296)) (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 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| 4294967218) 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| 4294967238) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 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 (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967216) 4294967296)) (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) is different from false [2022-11-19 07:49:36,979 WARN L837 $PredicateComparison]: unable to prove that (and (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) (< 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 (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296)) (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967220) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296)) (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296)) (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 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| 4294967218) 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| 4294967238) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 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 (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) is different from false [2022-11-19 07:49:38,993 WARN L837 $PredicateComparison]: unable to prove that (and (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) (< 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 (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296)) (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967220) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296)) (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296)) (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 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| 4294967238) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 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 (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) is different from false [2022-11-19 07:49:41,010 WARN L837 $PredicateComparison]: unable to prove that (and (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) (< 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 (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967222) 4294967296)) (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296)) (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296)) (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 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| 4294967238) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 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 (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) is different from false [2022-11-19 07:49:43,027 WARN L837 $PredicateComparison]: unable to prove that (and (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) (< 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 (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967250 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967224) 4294967296)) (< 1 (mod (+ 4294967272 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967226) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296)) (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296)) (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 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| 4294967238) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 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 (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) is different from false [2022-11-19 07:49:45,037 WARN L837 $PredicateComparison]: unable to prove that (and (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967248) 4294967296)) (< 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 (+ |c_ULTIMATE.start_main_~x~0#1| 4294967228) 4294967296)) (< 1 (mod (+ 4294967274 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967250 |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| 4294967226) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967234) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967290) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967232) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967262) 4294967296)) (< 1 (mod (+ 4294967246 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967284) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967240) 4294967296)) (< 1 (mod (+ 4294967260 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967244) 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| 4294967238) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967242) 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 (+ 4294967230 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ 4294967282 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (< 1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4294967236) 4294967296))) is different from false