./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/nested5-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/nested5-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh --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 5ad780effdbe313ff13ad5bc7233d50356fbf06f53a57c18cd85a4aa46126eb2 --- 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-2329fc7 [2022-12-14 14:48:10,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:48:10,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:48:11,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:48:11,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:48:11,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:48:11,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:48:11,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:48:11,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:48:11,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:48:11,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:48:11,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:48:11,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:48:11,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:48:11,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:48:11,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:48:11,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:48:11,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:48:11,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:48:11,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:48:11,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:48:11,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:48:11,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:48:11,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:48:11,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:48:11,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:48:11,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:48:11,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:48:11,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:48:11,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:48:11,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:48:11,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:48:11,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:48:11,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:48:11,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:48:11,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:48:11,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:48:11,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:48:11,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:48:11,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:48:11,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:48:11,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 14:48:11,066 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:48:11,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:48:11,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:48:11,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:48:11,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:48:11,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:48:11,074 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:48:11,074 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:48:11,075 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:48:11,075 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:48:11,075 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:48:11,075 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:48:11,075 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:48:11,075 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:48:11,076 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:48:11,076 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:48:11,076 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:48:11,076 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:48:11,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:48:11,077 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:48:11,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:48:11,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:48:11,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:48:11,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:48:11,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:48:11,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:48:11,078 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:48:11,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:48:11,078 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:48:11,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:48:11,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:48:11,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:48:11,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:48:11,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:48:11,079 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:48:11,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:48:11,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:48:11,079 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:48:11,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:48:11,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:48:11,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:48:11,080 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_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ad780effdbe313ff13ad5bc7233d50356fbf06f53a57c18cd85a4aa46126eb2 [2022-12-14 14:48:11,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:48:11,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:48:11,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:48:11,274 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:48:11,274 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:48:11,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/loops-crafted-1/nested5-2.c [2022-12-14 14:48:13,821 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:48:13,969 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:48:13,970 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/sv-benchmarks/c/loops-crafted-1/nested5-2.c [2022-12-14 14:48:13,974 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/data/8c20cdd08/e0f2c0404cc34c96b6fe40f38174ef57/FLAG69ea4fb80 [2022-12-14 14:48:14,396 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/data/8c20cdd08/e0f2c0404cc34c96b6fe40f38174ef57 [2022-12-14 14:48:14,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:48:14,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:48:14,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:48:14,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:48:14,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:48:14,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:48:14" (1/1) ... [2022-12-14 14:48:14,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@117c6a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:48:14, skipping insertion in model container [2022-12-14 14:48:14,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:48:14" (1/1) ... [2022-12-14 14:48:14,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:48:14,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:48:14,522 WARN L237 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_dd640da2-4aeb-496b-8b36-fa1021e95d75/sv-benchmarks/c/loops-crafted-1/nested5-2.c[321,334] [2022-12-14 14:48:14,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:48:14,539 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:48:14,547 WARN L237 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_dd640da2-4aeb-496b-8b36-fa1021e95d75/sv-benchmarks/c/loops-crafted-1/nested5-2.c[321,334] [2022-12-14 14:48:14,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:48:14,560 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:48:14,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:48:14 WrapperNode [2022-12-14 14:48:14,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:48:14,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:48:14,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:48:14,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:48:14,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:48:14" (1/1) ... [2022-12-14 14:48:14,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:48:14" (1/1) ... [2022-12-14 14:48:14,583 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2022-12-14 14:48:14,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:48:14,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:48:14,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:48:14,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:48:14,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:48:14" (1/1) ... [2022-12-14 14:48:14,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:48:14" (1/1) ... [2022-12-14 14:48:14,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:48:14" (1/1) ... [2022-12-14 14:48:14,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:48:14" (1/1) ... [2022-12-14 14:48:14,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:48:14" (1/1) ... [2022-12-14 14:48:14,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:48:14" (1/1) ... [2022-12-14 14:48:14,597 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:48:14" (1/1) ... [2022-12-14 14:48:14,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:48:14" (1/1) ... [2022-12-14 14:48:14,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:48:14,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:48:14,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:48:14,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:48:14,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:48:14" (1/1) ... [2022-12-14 14:48:14,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:48:14,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:48:14,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:48:14,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:48:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:48:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:48:14,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:48:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:48:14,701 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:48:14,703 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:48:14,793 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:48:14,823 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:48:14,823 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 14:48:14,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:48:14 BoogieIcfgContainer [2022-12-14 14:48:14,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:48:14,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:48:14,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:48:14,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:48:14,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:48:14" (1/3) ... [2022-12-14 14:48:14,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f78957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:48:14, skipping insertion in model container [2022-12-14 14:48:14,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:48:14" (2/3) ... [2022-12-14 14:48:14,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f78957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:48:14, skipping insertion in model container [2022-12-14 14:48:14,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:48:14" (3/3) ... [2022-12-14 14:48:14,832 INFO L112 eAbstractionObserver]: Analyzing ICFG nested5-2.c [2022-12-14 14:48:14,846 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:48:14,846 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 14:48:14,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:48:14,886 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;@508b2d0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:48:14,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 14:48:14,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 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) [2022-12-14 14:48:14,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 14:48:14,893 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:48:14,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:48:14,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:48:14,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:48:14,899 INFO L85 PathProgramCache]: Analyzing trace with hash -614732004, now seen corresponding path program 1 times [2022-12-14 14:48:14,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:48:14,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160953617] [2022-12-14 14:48:14,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:48:14,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:48:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:48:15,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:48:15,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:48:15,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160953617] [2022-12-14 14:48:15,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160953617] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:48:15,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:48:15,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:48:15,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93287578] [2022-12-14 14:48:15,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:48:15,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:48:15,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:48:15,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:48:15,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:48:15,096 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-12-14 14:48:15,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:48:15,139 INFO L93 Difference]: Finished difference Result 27 states and 41 transitions. [2022-12-14 14:48:15,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:48:15,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 14:48:15,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:48:15,146 INFO L225 Difference]: With dead ends: 27 [2022-12-14 14:48:15,147 INFO L226 Difference]: Without dead ends: 15 [2022-12-14 14:48:15,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:48:15,151 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 7 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:48:15,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 13 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:48:15,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-14 14:48:15,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 11. [2022-12-14 14:48:15,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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) [2022-12-14 14:48:15,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2022-12-14 14:48:15,174 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 15 transitions. Word has length 8 [2022-12-14 14:48:15,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:48:15,175 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 15 transitions. [2022-12-14 14:48:15,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-12-14 14:48:15,175 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-12-14 14:48:15,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 14:48:15,176 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:48:15,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:48:15,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:48:15,176 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:48:15,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:48:15,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1877110288, now seen corresponding path program 1 times [2022-12-14 14:48:15,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:48:15,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375561660] [2022-12-14 14:48:15,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:48:15,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:48:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:48:15,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:48:15,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:48:15,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375561660] [2022-12-14 14:48:15,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375561660] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:48:15,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577204475] [2022-12-14 14:48:15,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:48:15,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:48:15,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:48:15,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:48:15,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:48:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:48:15,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:48:15,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:48:15,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:48:15,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:48:15,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:48:15,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577204475] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:48:15,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [997005927] [2022-12-14 14:48:15,391 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 14:48:15,392 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:48:15,394 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:48:15,398 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:48:15,399 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:48:15,533 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:48:15,700 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '134#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (mod (mod |ULTIMATE.start_main_~v~0#1| 4) 4294967296) 0) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_~w~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= |ULTIMATE.start_main_~z~0#1| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~v~0#1|) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (not (< (mod |ULTIMATE.start_main_~v~0#1| 4294967296) 268435455)) (= |#NULL.base| 0))' at error location [2022-12-14 14:48:15,700 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:48:15,701 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:48:15,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-12-14 14:48:15,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575853216] [2022-12-14 14:48:15,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 14:48:15,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 14:48:15,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:48:15,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 14:48:15,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-12-14 14:48:15,704 INFO L87 Difference]: Start difference. First operand 11 states and 15 transitions. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:48:15,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:48:15,755 INFO L93 Difference]: Finished difference Result 28 states and 42 transitions. [2022-12-14 14:48:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:48:15,756 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 14:48:15,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:48:15,757 INFO L225 Difference]: With dead ends: 28 [2022-12-14 14:48:15,757 INFO L226 Difference]: Without dead ends: 18 [2022-12-14 14:48:15,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-12-14 14:48:15,759 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 18 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:48:15,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 25 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:48:15,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-12-14 14:48:15,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 14. [2022-12-14 14:48:15,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2022-12-14 14:48:15,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2022-12-14 14:48:15,763 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 18 transitions. Word has length 9 [2022-12-14 14:48:15,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:48:15,763 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-12-14 14:48:15,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:48:15,764 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-12-14 14:48:15,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 14:48:15,764 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:48:15,764 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:48:15,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:48:15,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:48:15,966 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:48:15,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:48:15,967 INFO L85 PathProgramCache]: Analyzing trace with hash -803732452, now seen corresponding path program 2 times [2022-12-14 14:48:15,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:48:15,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031040719] [2022-12-14 14:48:15,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:48:15,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:48:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:48:16,151 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:48:16,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:48:16,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031040719] [2022-12-14 14:48:16,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031040719] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:48:16,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703791851] [2022-12-14 14:48:16,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 14:48:16,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:48:16,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:48:16,153 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:48:16,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:48:16,193 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 14:48:16,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:48:16,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 14:48:16,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:48:16,272 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:48:16,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:48:16,343 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:48:16,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703791851] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:48:16,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1927037552] [2022-12-14 14:48:16,346 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 14:48:16,346 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:48:16,347 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:48:16,347 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:48:16,347 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:48:16,422 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:48:16,652 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '293#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (mod (mod |ULTIMATE.start_main_~v~0#1| 4) 4294967296) 0) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_~w~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= |ULTIMATE.start_main_~z~0#1| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~v~0#1|) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (not (< (mod |ULTIMATE.start_main_~v~0#1| 4294967296) 268435455)) (= |#NULL.base| 0))' at error location [2022-12-14 14:48:16,653 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:48:16,653 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:48:16,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2022-12-14 14:48:16,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489156272] [2022-12-14 14:48:16,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 14:48:16,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-14 14:48:16,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:48:16,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-14 14:48:16,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2022-12-14 14:48:16,655 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. Second operand has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) [2022-12-14 14:48:17,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:48:17,209 INFO L93 Difference]: Finished difference Result 75 states and 110 transitions. [2022-12-14 14:48:17,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-14 14:48:17,210 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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 12 [2022-12-14 14:48:17,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:48:17,211 INFO L225 Difference]: With dead ends: 75 [2022-12-14 14:48:17,211 INFO L226 Difference]: Without dead ends: 62 [2022-12-14 14:48:17,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=176, Invalid=1084, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 14:48:17,213 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 105 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:48:17,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 163 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 14:48:17,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-14 14:48:17,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 19. [2022-12-14 14:48:17,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:48:17,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2022-12-14 14:48:17,223 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 26 transitions. Word has length 12 [2022-12-14 14:48:17,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:48:17,223 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 26 transitions. [2022-12-14 14:48:17,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) [2022-12-14 14:48:17,223 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2022-12-14 14:48:17,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 14:48:17,224 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:48:17,224 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:48:17,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 14:48:17,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:48:17,425 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:48:17,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:48:17,426 INFO L85 PathProgramCache]: Analyzing trace with hash 853810416, now seen corresponding path program 3 times [2022-12-14 14:48:17,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:48:17,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219770953] [2022-12-14 14:48:17,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:48:17,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:48:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:48:17,593 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:48:17,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:48:17,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219770953] [2022-12-14 14:48:17,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219770953] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:48:17,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032302297] [2022-12-14 14:48:17,594 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 14:48:17,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:48:17,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:48:17,595 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:48:17,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 14:48:17,626 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 14:48:17,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:48:17,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 14:48:17,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:48:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:48:17,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:48:17,747 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:48:17,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032302297] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:48:17,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1368951321] [2022-12-14 14:48:17,749 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 14:48:17,749 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:48:17,749 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:48:17,750 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:48:17,750 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:48:17,815 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:48:18,022 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '593#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (mod (mod |ULTIMATE.start_main_~v~0#1| 4) 4294967296) 0) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_~w~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= |ULTIMATE.start_main_~z~0#1| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~v~0#1|) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (not (< (mod |ULTIMATE.start_main_~v~0#1| 4294967296) 268435455)) (= |#NULL.base| 0))' at error location [2022-12-14 14:48:18,022 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:48:18,022 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:48:18,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-12-14 14:48:18,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384488730] [2022-12-14 14:48:18,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 14:48:18,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 14:48:18,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:48:18,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 14:48:18,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2022-12-14 14:48:18,024 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. Second operand has 15 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2022-12-14 14:48:18,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:48:18,445 INFO L93 Difference]: Finished difference Result 48 states and 72 transitions. [2022-12-14 14:48:18,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 14:48:18,445 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 13 [2022-12-14 14:48:18,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:48:18,446 INFO L225 Difference]: With dead ends: 48 [2022-12-14 14:48:18,446 INFO L226 Difference]: Without dead ends: 30 [2022-12-14 14:48:18,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 24 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=175, Invalid=377, Unknown=0, NotChecked=0, Total=552 [2022-12-14 14:48:18,448 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 24 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:48:18,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 58 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:48:18,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-12-14 14:48:18,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26. [2022-12-14 14:48:18,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:48:18,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2022-12-14 14:48:18,458 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 13 [2022-12-14 14:48:18,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:48:18,458 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-12-14 14:48:18,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2022-12-14 14:48:18,459 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-12-14 14:48:18,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 14:48:18,459 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:48:18,459 INFO L195 NwaCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:48:18,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 14:48:18,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:48:18,660 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:48:18,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:48:18,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1316532976, now seen corresponding path program 4 times [2022-12-14 14:48:18,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:48:18,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140919057] [2022-12-14 14:48:18,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:48:18,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:48:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:48:18,926 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:48:18,926 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:48:18,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140919057] [2022-12-14 14:48:18,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140919057] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:48:18,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903269870] [2022-12-14 14:48:18,926 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-14 14:48:18,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:48:18,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:48:18,927 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:48:18,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 14:48:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:48:18,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 14:48:18,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:48:19,025 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:48:19,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:48:19,367 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:48:19,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903269870] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:48:19,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [990089071] [2022-12-14 14:48:19,369 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 14:48:19,369 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:48:19,369 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:48:19,369 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:48:19,370 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:48:19,443 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:48:19,719 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '892#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (mod (mod |ULTIMATE.start_main_~v~0#1| 4) 4294967296) 0) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_~w~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= |ULTIMATE.start_main_~z~0#1| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~v~0#1|) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (not (< (mod |ULTIMATE.start_main_~v~0#1| 4294967296) 268435455)) (= |#NULL.base| 0))' at error location [2022-12-14 14:48:19,719 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:48:19,719 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:48:19,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2022-12-14 14:48:19,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542734334] [2022-12-14 14:48:19,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 14:48:19,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-12-14 14:48:19,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:48:19,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-12-14 14:48:19,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=879, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 14:48:19,721 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 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) [2022-12-14 14:48:33,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:48:33,613 INFO L93 Difference]: Finished difference Result 71 states and 104 transitions. [2022-12-14 14:48:33,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-14 14:48:33,613 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 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 21 [2022-12-14 14:48:33,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:48:33,614 INFO L225 Difference]: With dead ends: 71 [2022-12-14 14:48:33,614 INFO L226 Difference]: Without dead ends: 46 [2022-12-14 14:48:33,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 40 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=727, Invalid=1529, Unknown=0, NotChecked=0, Total=2256 [2022-12-14 14:48:33,615 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 42 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:48:33,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 130 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:48:33,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-12-14 14:48:33,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2022-12-14 14:48:33,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 41 states have internal predecessors, (49), 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) [2022-12-14 14:48:33,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2022-12-14 14:48:33,623 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 21 [2022-12-14 14:48:33,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:48:33,624 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2022-12-14 14:48:33,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 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) [2022-12-14 14:48:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2022-12-14 14:48:33,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 14:48:33,624 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:48:33,624 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:48:33,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 14:48:33,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:48:33,826 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:48:33,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:48:33,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1430266128, now seen corresponding path program 5 times [2022-12-14 14:48:33,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:48:33,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379205455] [2022-12-14 14:48:33,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:48:33,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:48:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:48:34,507 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:48:34,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:48:34,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379205455] [2022-12-14 14:48:34,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379205455] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:48:34,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023719272] [2022-12-14 14:48:34,507 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 14:48:34,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:48:34,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:48:34,509 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:48:34,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 14:48:35,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2022-12-14 14:48:35,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:48:35,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 61 conjunts are in the unsatisfiable core [2022-12-14 14:48:35,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:48:35,285 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:48:35,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:48:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:48:36,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023719272] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:48:36,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1424396141] [2022-12-14 14:48:36,504 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 14:48:36,504 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:48:36,505 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:48:36,505 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:48:36,505 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:48:36,554 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:48:37,002 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1413#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (mod (mod |ULTIMATE.start_main_~v~0#1| 4) 4294967296) 0) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_~w~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= |ULTIMATE.start_main_~z~0#1| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~v~0#1|) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (not (< (mod |ULTIMATE.start_main_~v~0#1| 4294967296) 268435455)) (= |#NULL.base| 0))' at error location [2022-12-14 14:48:37,002 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:48:37,002 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:48:37,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2022-12-14 14:48:37,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192118585] [2022-12-14 14:48:37,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 14:48:37,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-12-14 14:48:37,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:48:37,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-12-14 14:48:37,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1127, Invalid=3295, Unknown=0, NotChecked=0, Total=4422 [2022-12-14 14:48:37,005 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand has 63 states, 63 states have (on average 1.1111111111111112) internal successors, (70), 63 states have internal predecessors, (70), 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) [2022-12-14 14:55:21,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:55:21,880 INFO L93 Difference]: Finished difference Result 119 states and 168 transitions. [2022-12-14 14:55:21,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-12-14 14:55:21,881 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 1.1111111111111112) internal successors, (70), 63 states have internal predecessors, (70), 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 37 [2022-12-14 14:55:21,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:55:21,882 INFO L225 Difference]: With dead ends: 119 [2022-12-14 14:55:21,882 INFO L226 Difference]: Without dead ends: 78 [2022-12-14 14:55:21,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 72 SyntacticMatches, 4 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 987 ImplicationChecksByTransitivity, 406.3s TimeCoverageRelationStatistics Valid=2970, Invalid=6137, Unknown=13, NotChecked=0, Total=9120 [2022-12-14 14:55:21,884 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 84 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 1255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:55:21,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 277 Invalid, 1255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 14:55:21,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-12-14 14:55:21,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2022-12-14 14:55:21,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.1095890410958904) internal successors, (81), 73 states have internal predecessors, (81), 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) [2022-12-14 14:55:21,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2022-12-14 14:55:21,896 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 37 [2022-12-14 14:55:21,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:55:21,896 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2022-12-14 14:55:21,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 1.1111111111111112) internal successors, (70), 63 states have internal predecessors, (70), 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) [2022-12-14 14:55:21,897 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2022-12-14 14:55:21,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 14:55:21,899 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:55:21,899 INFO L195 NwaCegarLoop]: trace histogram [61, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:55:21,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 14:55:22,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 14:55:22,101 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:55:22,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:55:22,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1606825712, now seen corresponding path program 6 times [2022-12-14 14:55:22,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:55:22,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344124026] [2022-12-14 14:55:22,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:55:22,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:55:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:55:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:55:23,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:55:23,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344124026] [2022-12-14 14:55:23,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344124026] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:55:23,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625254057] [2022-12-14 14:55:23,894 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 14:55:23,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:55:23,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:55:23,895 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:55:23,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd640da2-4aeb-496b-8b36-fa1021e95d75/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 14:55:24,100 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 14:55:24,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:55:24,103 WARN L261 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 125 conjunts are in the unsatisfiable core [2022-12-14 14:55:24,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:55:24,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:55:24,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:55:30,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:55:30,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625254057] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:55:30,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1644297797] [2022-12-14 14:55:30,279 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 14:55:30,279 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:55:30,279 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:55:30,279 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:55:30,279 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:55:30,322 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:55:31,354 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2382#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= (mod (mod |ULTIMATE.start_main_~v~0#1| 4) 4294967296) 0) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_~w~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= |ULTIMATE.start_main_~z~0#1| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~v~0#1|) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (not (< (mod |ULTIMATE.start_main_~v~0#1| 4294967296) 268435455)) (= |#NULL.base| 0))' at error location [2022-12-14 14:55:31,354 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 14:55:31,355 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:55:31,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 127 [2022-12-14 14:55:31,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871303754] [2022-12-14 14:55:31,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 14:55:31,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2022-12-14 14:55:31,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:55:31,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2022-12-14 14:55:31,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4295, Invalid=12735, Unknown=0, NotChecked=0, Total=17030 [2022-12-14 14:55:31,361 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand has 127 states, 127 states have (on average 1.0551181102362204) internal successors, (134), 127 states have internal predecessors, (134), 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) [2022-12-14 14:55:34,707 WARN L837 $PredicateComparison]: unable to prove that (and (< (mod (+ 45 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 11) 4294967296) 268435455) (< (mod (+ 57 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 42 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 30 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 43 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 14 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 12 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 59 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 4) 4294967296) 268435455) (< (mod (+ 6 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 53 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 3 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 38 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 32 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 26) 4294967296) 268435455) (< (mod (+ 58 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 22 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 19 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 60 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 48 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 23 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 40 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 9 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 44 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 51 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 10) 4294967296) 268435455) (< (mod |c_ULTIMATE.start_main_~v~0#1| 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 61) 4294967296) 268435455) (< (mod (+ 47 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 55 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 7 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 37) 4294967296) 268435455) (< (mod (+ 39 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 29 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 54) 4294967296) 268435455) (< (mod (+ 33 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 17) 4294967296) 268435455) (< (mod (+ 52 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 35 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 13) 4294967296) 268435455) (< (mod (+ 46 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 25) 4294967296) 268435455) (< (mod (+ 2 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 18 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 15 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 27) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 1) 4294967296) 268435455) (< (mod (+ 21 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 24) 4294967296) 268435455) (< (mod (+ 5 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 49 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 36 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 56 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 20 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 8 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 41 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 28) 4294967296) 268435455) (< (mod (+ 34 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 50) 4294967296) 268435455) (< (mod (+ 31 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 16 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455)) is different from false [2022-12-14 14:55:36,721 WARN L837 $PredicateComparison]: unable to prove that (and (< (mod (+ 45 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 11) 4294967296) 268435455) (< (mod (+ 57 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 42 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 30 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 43 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 14 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 12 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 59 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 4) 4294967296) 268435455) (< (mod (+ 6 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 53 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 3 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 38 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 32 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 26) 4294967296) 268435455) (< (mod (+ 58 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 22 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 19 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 60 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 48 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 23 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 40 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 9 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 44 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 51 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 10) 4294967296) 268435455) (< (mod |c_ULTIMATE.start_main_~v~0#1| 4294967296) 268435455) (< (mod (+ 47 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 55 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 7 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 37) 4294967296) 268435455) (< (mod (+ 39 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 29 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 54) 4294967296) 268435455) (< (mod (+ 33 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 17) 4294967296) 268435455) (< (mod (+ 52 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 35 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 13) 4294967296) 268435455) (< (mod (+ 46 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 25) 4294967296) 268435455) (< (mod (+ 2 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 18 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 15 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 27) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 1) 4294967296) 268435455) (< (mod (+ 21 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 24) 4294967296) 268435455) (< (mod (+ 5 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 49 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 36 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 56 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 20 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 8 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 41 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 28) 4294967296) 268435455) (< (mod (+ 34 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 50) 4294967296) 268435455) (< (mod (+ 31 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 16 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455)) is different from false [2022-12-14 14:57:12,173 WARN L233 SmtUtils]: Spent 17.41s on a formula simplification. DAG size of input: 242 DAG size of output: 10 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:57:14,212 WARN L837 $PredicateComparison]: unable to prove that (and (< (mod (+ 45 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 11) 4294967296) 268435455) (< (mod (+ 57 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 42 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 30 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 43 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 14 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 12 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 4) 4294967296) 268435455) (< (mod (+ 6 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 53 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 3 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 38 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 32 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 26) 4294967296) 268435455) (< (mod (+ 58 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 22 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 19 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 48 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 23 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 40 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 9 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 44 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 51 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 10) 4294967296) 268435455) (< (mod |c_ULTIMATE.start_main_~v~0#1| 4294967296) 268435455) (< (mod (+ 47 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 55 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 7 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 37) 4294967296) 268435455) (< (mod (+ 39 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 29 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 54) 4294967296) 268435455) (< (mod (+ 33 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 17) 4294967296) 268435455) (< (mod (+ 52 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 35 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 13) 4294967296) 268435455) (< (mod (+ 46 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 25) 4294967296) 268435455) (< (mod (+ 2 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 18 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 15 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 27) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 1) 4294967296) 268435455) (< (mod (+ 21 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 24) 4294967296) 268435455) (< (mod (+ 5 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 49 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 36 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 56 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 20 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 8 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 41 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 28) 4294967296) 268435455) (< (mod (+ 34 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 50) 4294967296) 268435455) (< (mod (+ 31 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 16 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455)) is different from false [2022-12-14 14:57:16,229 WARN L837 $PredicateComparison]: unable to prove that (and (< (mod (+ 45 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 11) 4294967296) 268435455) (< (mod (+ 57 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 42 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 30 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 43 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 14 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 12 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 4) 4294967296) 268435455) (< (mod (+ 6 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 53 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 3 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 38 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 32 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 26) 4294967296) 268435455) (< (mod (+ 22 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 19 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 48 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 23 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 40 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 9 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 44 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 51 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 10) 4294967296) 268435455) (< (mod |c_ULTIMATE.start_main_~v~0#1| 4294967296) 268435455) (< (mod (+ 47 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 55 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 7 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 37) 4294967296) 268435455) (< (mod (+ 39 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 29 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 54) 4294967296) 268435455) (< (mod (+ 33 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 17) 4294967296) 268435455) (< (mod (+ 52 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 35 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 13) 4294967296) 268435455) (< (mod (+ 46 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 25) 4294967296) 268435455) (< (mod (+ 2 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 18 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 15 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 27) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 1) 4294967296) 268435455) (< (mod (+ 21 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 24) 4294967296) 268435455) (< (mod (+ 5 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 49 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 36 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 56 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 20 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 8 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 41 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 28) 4294967296) 268435455) (< (mod (+ 34 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 50) 4294967296) 268435455) (< (mod (+ 31 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 16 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455)) is different from false [2022-12-14 14:59:04,035 WARN L233 SmtUtils]: Spent 22.79s on a formula simplification. DAG size of input: 230 DAG size of output: 10 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:01:07,186 WARN L233 SmtUtils]: Spent 26.80s on a formula simplification. DAG size of input: 226 DAG size of output: 10 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:01:09,203 WARN L837 $PredicateComparison]: unable to prove that (and (< (mod (+ 45 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 11) 4294967296) 268435455) (< (mod (+ 42 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 30 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 43 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 14 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 12 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 4) 4294967296) 268435455) (< (mod (+ 6 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 53 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 3 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 38 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 32 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 26) 4294967296) 268435455) (< (mod (+ 22 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 19 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 48 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 23 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 40 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 9 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 44 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 51 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 10) 4294967296) 268435455) (< (mod |c_ULTIMATE.start_main_~v~0#1| 4294967296) 268435455) (< (mod (+ 47 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 7 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 37) 4294967296) 268435455) (< (mod (+ 39 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 29 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 54) 4294967296) 268435455) (< (mod (+ 33 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 17) 4294967296) 268435455) (< (mod (+ 52 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 35 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 13) 4294967296) 268435455) (< (mod (+ 46 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 25) 4294967296) 268435455) (< (mod (+ 2 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 18 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 15 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 27) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 1) 4294967296) 268435455) (< (mod (+ 21 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 24) 4294967296) 268435455) (< (mod (+ 5 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 49 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 36 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 20 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 8 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 41 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 28) 4294967296) 268435455) (< (mod (+ 34 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 50) 4294967296) 268435455) (< (mod (+ 31 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 16 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455)) is different from false [2022-12-14 15:01:11,217 WARN L837 $PredicateComparison]: unable to prove that (and (< (mod (+ 45 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 11) 4294967296) 268435455) (< (mod (+ 42 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 30 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 43 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 14 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 12 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 4) 4294967296) 268435455) (< (mod (+ 6 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 53 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 3 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 38 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 32 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 26) 4294967296) 268435455) (< (mod (+ 22 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 19 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 48 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 23 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 40 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 9 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 44 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 51 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 10) 4294967296) 268435455) (< (mod |c_ULTIMATE.start_main_~v~0#1| 4294967296) 268435455) (< (mod (+ 47 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 7 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 37) 4294967296) 268435455) (< (mod (+ 39 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 29 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 33 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 17) 4294967296) 268435455) (< (mod (+ 52 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 35 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 13) 4294967296) 268435455) (< (mod (+ 46 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 25) 4294967296) 268435455) (< (mod (+ 2 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 18 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 15 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 27) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 1) 4294967296) 268435455) (< (mod (+ 21 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 24) 4294967296) 268435455) (< (mod (+ 5 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 49 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 36 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 20 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 8 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 41 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 28) 4294967296) 268435455) (< (mod (+ 34 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 50) 4294967296) 268435455) (< (mod (+ 31 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 16 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455)) is different from false [2022-12-14 15:03:02,713 WARN L233 SmtUtils]: Spent 14.22s on a formula simplification. DAG size of input: 214 DAG size of output: 10 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:03:04,752 WARN L837 $PredicateComparison]: unable to prove that (and (< (mod (+ 45 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 11) 4294967296) 268435455) (< (mod (+ 42 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 30 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 43 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 14 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 12 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 4) 4294967296) 268435455) (< (mod (+ 6 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 3 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 38 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 32 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 26) 4294967296) 268435455) (< (mod (+ 22 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 19 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 48 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 23 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 40 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 9 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 44 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 51 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 10) 4294967296) 268435455) (< (mod |c_ULTIMATE.start_main_~v~0#1| 4294967296) 268435455) (< (mod (+ 47 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 7 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 37) 4294967296) 268435455) (< (mod (+ 39 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 29 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 33 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 17) 4294967296) 268435455) (< (mod (+ 35 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 13) 4294967296) 268435455) (< (mod (+ 46 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 25) 4294967296) 268435455) (< (mod (+ 2 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 18 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 15 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 27) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 1) 4294967296) 268435455) (< (mod (+ 21 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 24) 4294967296) 268435455) (< (mod (+ 5 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 49 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 36 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 20 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 8 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 41 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 28) 4294967296) 268435455) (< (mod (+ 34 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 50) 4294967296) 268435455) (< (mod (+ 31 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 16 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455)) is different from false