./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c5f43b3e9ff1d4598a5a525fe9e716f863331c4c517b4b8adb0491943243286 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:54:03,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:54:03,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:54:03,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:54:03,113 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:54:03,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:54:03,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:54:03,154 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:54:03,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:54:03,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:54:03,161 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:54:03,161 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:54:03,162 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:54:03,164 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:54:03,164 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:54:03,164 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:54:03,165 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:54:03,165 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:54:03,166 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:54:03,166 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:54:03,167 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:54:03,168 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:54:03,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:54:03,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:54:03,170 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:54:03,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:54:03,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:54:03,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:54:03,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:54:03,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:54:03,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:54:03,174 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:54:03,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:54:03,174 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:54:03,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:54:03,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:54:03,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:03,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:54:03,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:54:03,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:54:03,176 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:54:03,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:54:03,177 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:54:03,177 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:54:03,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:54:03,178 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5f43b3e9ff1d4598a5a525fe9e716f863331c4c517b4b8adb0491943243286 [2023-11-12 00:54:03,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:54:03,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:54:03,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:54:03,522 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:54:03,523 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:54:03,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c [2023-11-12 00:54:06,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:54:07,143 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:54:07,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c [2023-11-12 00:54:07,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/data/2f7ee22aa/d9496dac088e492d9d01aace341be223/FLAGa2d59b73a [2023-11-12 00:54:07,168 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/data/2f7ee22aa/d9496dac088e492d9d01aace341be223 [2023-11-12 00:54:07,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:54:07,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:54:07,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:07,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:54:07,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:54:07,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:07" (1/1) ... [2023-11-12 00:54:07,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7157a806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:07, skipping insertion in model container [2023-11-12 00:54:07,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:07" (1/1) ... [2023-11-12 00:54:07,205 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:54:07,355 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c[319,332] [2023-11-12 00:54:07,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:07,380 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:54:07,397 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c[319,332] [2023-11-12 00:54:07,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:07,419 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:54:07,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:07 WrapperNode [2023-11-12 00:54:07,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:07,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:07,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:54:07,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:54:07,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:07" (1/1) ... [2023-11-12 00:54:07,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:07" (1/1) ... [2023-11-12 00:54:07,458 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2023-11-12 00:54:07,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:07,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:54:07,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:54:07,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:54:07,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:07" (1/1) ... [2023-11-12 00:54:07,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:07" (1/1) ... [2023-11-12 00:54:07,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:07" (1/1) ... [2023-11-12 00:54:07,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:07" (1/1) ... [2023-11-12 00:54:07,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:07" (1/1) ... [2023-11-12 00:54:07,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:07" (1/1) ... [2023-11-12 00:54:07,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:07" (1/1) ... [2023-11-12 00:54:07,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:07" (1/1) ... [2023-11-12 00:54:07,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:54:07,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:54:07,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:54:07,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:54:07,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:07" (1/1) ... [2023-11-12 00:54:07,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:07,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:07,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:54:07,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:54:07,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:54:07,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:54:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:54:07,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:54:07,673 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:54:07,679 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:54:07,898 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:54:07,987 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:54:07,987 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:54:07,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:07 BoogieIcfgContainer [2023-11-12 00:54:07,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:54:07,992 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:54:07,992 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:54:07,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:54:07,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:54:07" (1/3) ... [2023-11-12 00:54:08,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e6613c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:08, skipping insertion in model container [2023-11-12 00:54:08,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:07" (2/3) ... [2023-11-12 00:54:08,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e6613c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:08, skipping insertion in model container [2023-11-12 00:54:08,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:07" (3/3) ... [2023-11-12 00:54:08,012 INFO L112 eAbstractionObserver]: Analyzing ICFG mono-crafted_10.c [2023-11-12 00:54:08,031 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:54:08,031 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:54:08,076 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:54:08,084 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@41690b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:54:08,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:54:08,089 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:54:08,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:54:08,095 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:08,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-12 00:54:08,097 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:08,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:08,103 INFO L85 PathProgramCache]: Analyzing trace with hash 2065030, now seen corresponding path program 1 times [2023-11-12 00:54:08,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:08,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240709071] [2023-11-12 00:54:08,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:08,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:08,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:08,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:08,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240709071] [2023-11-12 00:54:08,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240709071] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:08,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:08,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:54:08,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81632346] [2023-11-12 00:54:08,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:08,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:54:08,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:08,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:54:08,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:54:08,619 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:54:08,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:08,651 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2023-11-12 00:54:08,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:54:08,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-12 00:54:08,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:08,662 INFO L225 Difference]: With dead ends: 13 [2023-11-12 00:54:08,663 INFO L226 Difference]: Without dead ends: 6 [2023-11-12 00:54:08,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:54:08,670 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:08,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:54:08,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2023-11-12 00:54:08,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2023-11-12 00:54:08,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:54:08,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-12 00:54:08,706 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2023-11-12 00:54:08,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:08,707 INFO L495 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2023-11-12 00:54:08,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:54:08,707 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-12 00:54:08,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:54:08,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:08,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 00:54:08,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:54:08,709 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:08,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:08,710 INFO L85 PathProgramCache]: Analyzing trace with hash 64119683, now seen corresponding path program 1 times [2023-11-12 00:54:08,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:08,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815386509] [2023-11-12 00:54:08,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:08,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:08,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:08,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815386509] [2023-11-12 00:54:08,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815386509] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:54:08,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278771994] [2023-11-12 00:54:08,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:08,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:54:08,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:08,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:54:08,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:54:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:09,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:54:09,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:09,112 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:54:09,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:09,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278771994] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:54:09,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [846319009] [2023-11-12 00:54:09,232 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2023-11-12 00:54:09,233 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:54:09,238 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:54:09,243 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:54:09,245 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:54:09,549 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:54:09,691 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '67#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1| 10000000) (<= 0 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (not (= (mod |ULTIMATE.start_main_~x~0#1| 4294967296) (mod |ULTIMATE.start_main_~z~0#1| 4294967296))) (<= 5000000 |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (<= 10000000 (mod |ULTIMATE.start_main_~x~0#1| 4294967296)))' at error location [2023-11-12 00:54:09,691 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:54:09,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:54:09,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-12 00:54:09,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736931247] [2023-11-12 00:54:09,693 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:54:09,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 00:54:09,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:09,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 00:54:09,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-12 00:54:09,697 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:54:09,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:09,759 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2023-11-12 00:54:09,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 00:54:09,760 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-12 00:54:09,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:09,761 INFO L225 Difference]: With dead ends: 12 [2023-11-12 00:54:09,761 INFO L226 Difference]: Without dead ends: 9 [2023-11-12 00:54:09,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-11-12 00:54:09,764 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:09,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:54:09,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-12 00:54:09,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-12 00:54:09,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:54:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-12 00:54:09,776 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-12 00:54:09,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:09,776 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-12 00:54:09,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:54:09,777 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-12 00:54:09,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:54:09,778 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:09,778 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1] [2023-11-12 00:54:09,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:54:09,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:54:09,985 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:09,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:09,985 INFO L85 PathProgramCache]: Analyzing trace with hash -967943738, now seen corresponding path program 2 times [2023-11-12 00:54:09,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:09,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469058535] [2023-11-12 00:54:09,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:09,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:10,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:10,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469058535] [2023-11-12 00:54:10,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469058535] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:54:10,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396224423] [2023-11-12 00:54:10,373 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-12 00:54:10,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:54:10,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:10,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:54:10,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 00:54:10,481 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-12 00:54:10,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:54:10,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 00:54:10,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:10,573 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:54:10,719 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:10,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396224423] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:54:10,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [814550372] [2023-11-12 00:54:10,721 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2023-11-12 00:54:10,721 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:54:10,722 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:54:10,722 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:54:10,722 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:54:10,904 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:54:11,064 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '161#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1| 10000000) (<= 0 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (not (= (mod |ULTIMATE.start_main_~x~0#1| 4294967296) (mod |ULTIMATE.start_main_~z~0#1| 4294967296))) (<= 5000000 |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (<= 10000000 (mod |ULTIMATE.start_main_~x~0#1| 4294967296)))' at error location [2023-11-12 00:54:11,065 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:54:11,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:54:11,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2023-11-12 00:54:11,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208986908] [2023-11-12 00:54:11,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:54:11,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-12 00:54:11,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:11,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-12 00:54:11,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2023-11-12 00:54:11,068 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:54:11,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:11,798 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2023-11-12 00:54:11,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 00:54:11,798 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-12 00:54:11,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:11,799 INFO L225 Difference]: With dead ends: 18 [2023-11-12 00:54:11,799 INFO L226 Difference]: Without dead ends: 15 [2023-11-12 00:54:11,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2023-11-12 00:54:11,801 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:11,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:54:11,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-12 00:54:11,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-12 00:54:11,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:54:11,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-12 00:54:11,810 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2023-11-12 00:54:11,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:11,811 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-12 00:54:11,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:54:11,812 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-12 00:54:11,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:54:11,813 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:11,813 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1] [2023-11-12 00:54:11,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:54:12,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:54:12,019 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:12,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:12,020 INFO L85 PathProgramCache]: Analyzing trace with hash -313388890, now seen corresponding path program 3 times [2023-11-12 00:54:12,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:12,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57161426] [2023-11-12 00:54:12,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:12,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:12,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:12,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57161426] [2023-11-12 00:54:12,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57161426] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:54:12,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389552830] [2023-11-12 00:54:12,647 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-12 00:54:12,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:54:12,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:12,649 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:54:12,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 00:54:12,768 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-12 00:54:12,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:54:12,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-12 00:54:12,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:13,108 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:13,109 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:54:13,909 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:13,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389552830] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:54:13,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [474545068] [2023-11-12 00:54:13,911 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2023-11-12 00:54:13,912 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:54:13,912 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:54:13,912 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:54:13,912 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:54:14,033 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:54:14,511 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '339#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1| 10000000) (<= 0 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (not (= (mod |ULTIMATE.start_main_~x~0#1| 4294967296) (mod |ULTIMATE.start_main_~z~0#1| 4294967296))) (<= 5000000 |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (<= 10000000 (mod |ULTIMATE.start_main_~x~0#1| 4294967296)))' at error location [2023-11-12 00:54:14,511 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:54:14,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:54:14,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2023-11-12 00:54:14,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340287194] [2023-11-12 00:54:14,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:54:14,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-12 00:54:14,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:14,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-12 00:54:14,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=352, Invalid=980, Unknown=0, NotChecked=0, Total=1332 [2023-11-12 00:54:14,515 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 34 states, 34 states have (on average 1.088235294117647) internal successors, (37), 33 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:54:26,970 WARN L293 SmtUtils]: Spent 7.20s on a formula simplification. DAG size of input: 74 DAG size of output: 58 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-12 00:54:35,689 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 67 DAG size of output: 53 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-12 00:54:51,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:51,314 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2023-11-12 00:54:51,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-12 00:54:51,315 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.088235294117647) internal successors, (37), 33 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-12 00:54:51,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:51,316 INFO L225 Difference]: With dead ends: 30 [2023-11-12 00:54:51,316 INFO L226 Difference]: Without dead ends: 27 [2023-11-12 00:54:51,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 615 ImplicationChecksByTransitivity, 37.3s TimeCoverageRelationStatistics Valid=692, Invalid=1469, Unknown=1, NotChecked=0, Total=2162 [2023-11-12 00:54:51,320 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:51,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 24 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-12 00:54:51,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-12 00:54:51,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-12 00:54:51,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:54:51,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2023-11-12 00:54:51,345 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 14 [2023-11-12 00:54:51,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:51,346 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2023-11-12 00:54:51,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.088235294117647) internal successors, (37), 33 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:54:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2023-11-12 00:54:51,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 00:54:51,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:51,348 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1] [2023-11-12 00:54:51,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:54:51,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:54:51,562 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:51,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:51,563 INFO L85 PathProgramCache]: Analyzing trace with hash 292652646, now seen corresponding path program 4 times [2023-11-12 00:54:51,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:51,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590446382] [2023-11-12 00:54:51,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:51,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:53,265 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:53,265 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:54:53,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590446382] [2023-11-12 00:54:53,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590446382] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:54:53,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459845534] [2023-11-12 00:54:53,266 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-12 00:54:53,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:54:53,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:53,273 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:54:53,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecca908-1d80-4c2d-b477-b51b0d4b605f/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 00:54:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:53,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-12 00:54:53,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:54,649 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:54,649 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:54:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:54:57,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459845534] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:54:57,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [316782695] [2023-11-12 00:54:57,538 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2023-11-12 00:54:57,539 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:54:57,539 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:54:57,539 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:54:57,540 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:54:57,641 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:54:58,555 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '685#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1| 10000000) (<= 0 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (not (= (mod |ULTIMATE.start_main_~x~0#1| 4294967296) (mod |ULTIMATE.start_main_~z~0#1| 4294967296))) (<= 5000000 |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (<= 10000000 (mod |ULTIMATE.start_main_~x~0#1| 4294967296)))' at error location [2023-11-12 00:54:58,555 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:54:58,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:54:58,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 69 [2023-11-12 00:54:58,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729263390] [2023-11-12 00:54:58,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:54:58,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2023-11-12 00:54:58,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:54:58,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2023-11-12 00:54:58,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1286, Invalid=3970, Unknown=0, NotChecked=0, Total=5256 [2023-11-12 00:54:58,565 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 70 states, 70 states have (on average 1.042857142857143) internal successors, (73), 69 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:55:01,068 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296)) (.cse6 (mod (+ 19 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse7 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296)) (.cse11 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296)) (.cse8 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296)) (.cse15 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296)) (.cse1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296)) (.cse18 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296)) (.cse2 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296)) (.cse12 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 5) 4294967296)) (.cse5 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296)) (.cse9 (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse14 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296)) (.cse10 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296)) (.cse17 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 3) 4294967296)) (.cse19 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296)) (.cse4 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 9) 4294967296)) (.cse20 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296)) (.cse16 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296)) (.cse0 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296)) (.cse13 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296))) (and (or (< .cse0 (+ .cse1 1)) (< .cse2 .cse0)) (or (< .cse3 .cse0) (< .cse0 (+ .cse4 1))) (< .cse5 .cse0) (or (< .cse0 (+ .cse6 1)) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 22) 4294967296) .cse0)) (< .cse7 .cse0) (or (< .cse0 (+ .cse3 1)) (< .cse8 .cse0)) (or (< .cse9 .cse0) (< .cse0 (+ .cse10 1))) (or (< .cse11 .cse0) (< .cse0 (+ 1 .cse12))) (or (< .cse13 .cse0) (< .cse0 (+ .cse14 1))) (or (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 21) 4294967296) .cse0) (< .cse0 (+ .cse15 1))) (or (< .cse0 (+ .cse16 1)) (< .cse6 .cse0)) (or (< .cse0 (+ .cse7 1)) (< .cse17 .cse0)) (or (< .cse0 (+ .cse11 1)) (< .cse18 .cse0)) (or (< .cse0 (+ .cse8 1)) (< .cse15 .cse0)) (or (< .cse1 .cse0) (< .cse0 (+ .cse18 1))) (or (< .cse0 (+ .cse2 1)) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296) .cse0)) (or (< .cse12 .cse0) (< .cse0 (+ .cse5 1))) (or (< .cse0 (+ .cse9 1)) (< .cse14 .cse0)) (or (< .cse0 (+ .cse19 1)) (< .cse10 .cse0)) (or (< .cse0 (+ .cse17 1)) (< .cse20 .cse0)) (< .cse19 .cse0) (or (< .cse4 .cse0) (< .cse0 (+ .cse20 1))) (or (< .cse16 .cse0) (< .cse0 (+ 1 .cse13))))) is different from false [2023-11-12 00:55:03,094 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296)) (.cse6 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296)) (.cse10 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296)) (.cse7 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296)) (.cse14 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296)) (.cse1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296)) (.cse17 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296)) (.cse2 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296)) (.cse11 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 5) 4294967296)) (.cse5 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296)) (.cse8 (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse13 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296)) (.cse9 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296)) (.cse16 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 3) 4294967296)) (.cse18 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296)) (.cse4 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 9) 4294967296)) (.cse19 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296)) (.cse15 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296)) (.cse0 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296)) (.cse12 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296))) (and (or (< .cse0 (+ .cse1 1)) (< .cse2 .cse0)) (or (< .cse3 .cse0) (< .cse0 (+ .cse4 1))) (< .cse5 .cse0) (< .cse6 .cse0) (or (< .cse0 (+ .cse3 1)) (< .cse7 .cse0)) (or (< .cse8 .cse0) (< .cse0 (+ .cse9 1))) (or (< .cse10 .cse0) (< .cse0 (+ 1 .cse11))) (or (< .cse12 .cse0) (< .cse0 (+ .cse13 1))) (or (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 21) 4294967296) .cse0) (< .cse0 (+ .cse14 1))) (or (< .cse0 (+ .cse15 1)) (< (mod (+ 19 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0)) (or (< .cse0 (+ .cse6 1)) (< .cse16 .cse0)) (or (< .cse0 (+ .cse10 1)) (< .cse17 .cse0)) (or (< .cse0 (+ .cse7 1)) (< .cse14 .cse0)) (or (< .cse1 .cse0) (< .cse0 (+ .cse17 1))) (or (< .cse0 (+ .cse2 1)) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296) .cse0)) (or (< .cse11 .cse0) (< .cse0 (+ .cse5 1))) (or (< .cse0 (+ .cse8 1)) (< .cse13 .cse0)) (or (< .cse0 (+ .cse18 1)) (< .cse9 .cse0)) (or (< .cse0 (+ .cse16 1)) (< .cse19 .cse0)) (< .cse18 .cse0) (or (< .cse4 .cse0) (< .cse0 (+ .cse19 1))) (or (< .cse15 .cse0) (< .cse0 (+ 1 .cse12))))) is different from false [2023-11-12 00:55:05,115 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296)) (.cse6 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296)) (.cse10 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296)) (.cse7 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296)) (.cse1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296)) (.cse16 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296)) (.cse2 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296)) (.cse11 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 5) 4294967296)) (.cse5 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296)) (.cse8 (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse13 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296)) (.cse9 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296)) (.cse15 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 3) 4294967296)) (.cse17 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296)) (.cse4 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 9) 4294967296)) (.cse18 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296)) (.cse14 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296)) (.cse0 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296)) (.cse12 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296))) (and (or (< .cse0 (+ .cse1 1)) (< .cse2 .cse0)) (or (< .cse3 .cse0) (< .cse0 (+ .cse4 1))) (< .cse5 .cse0) (< .cse6 .cse0) (or (< .cse0 (+ .cse3 1)) (< .cse7 .cse0)) (or (< .cse8 .cse0) (< .cse0 (+ .cse9 1))) (or (< .cse10 .cse0) (< .cse0 (+ 1 .cse11))) (or (< .cse12 .cse0) (< .cse0 (+ .cse13 1))) (or (< .cse0 (+ .cse14 1)) (< (mod (+ 19 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0)) (or (< .cse0 (+ .cse6 1)) (< .cse15 .cse0)) (or (< .cse0 (+ .cse10 1)) (< .cse16 .cse0)) (or (< .cse0 (+ .cse7 1)) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296) .cse0)) (or (< .cse1 .cse0) (< .cse0 (+ .cse16 1))) (or (< .cse0 (+ .cse2 1)) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296) .cse0)) (or (< .cse11 .cse0) (< .cse0 (+ .cse5 1))) (or (< .cse0 (+ .cse8 1)) (< .cse13 .cse0)) (or (< .cse0 (+ .cse17 1)) (< .cse9 .cse0)) (or (< .cse0 (+ .cse15 1)) (< .cse18 .cse0)) (< .cse17 .cse0) (or (< .cse4 .cse0) (< .cse0 (+ .cse18 1))) (or (< .cse14 .cse0) (< .cse0 (+ 1 .cse12))))) is different from false [2023-11-12 00:55:07,143 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296)) (.cse5 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296)) (.cse9 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296)) (.cse6 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296)) (.cse1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296)) (.cse15 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296)) (.cse10 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 5) 4294967296)) (.cse4 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296)) (.cse7 (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse12 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296)) (.cse8 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296)) (.cse14 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 3) 4294967296)) (.cse16 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296)) (.cse3 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 9) 4294967296)) (.cse17 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296)) (.cse13 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296)) (.cse0 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296)) (.cse11 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296))) (and (or (< .cse0 (+ .cse1 1)) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296) .cse0)) (or (< .cse2 .cse0) (< .cse0 (+ .cse3 1))) (< .cse4 .cse0) (< .cse5 .cse0) (or (< .cse0 (+ .cse2 1)) (< .cse6 .cse0)) (or (< .cse7 .cse0) (< .cse0 (+ .cse8 1))) (or (< .cse9 .cse0) (< .cse0 (+ 1 .cse10))) (or (< .cse11 .cse0) (< .cse0 (+ .cse12 1))) (or (< .cse0 (+ .cse13 1)) (< (mod (+ 19 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0)) (or (< .cse0 (+ .cse5 1)) (< .cse14 .cse0)) (or (< .cse0 (+ .cse9 1)) (< .cse15 .cse0)) (or (< .cse0 (+ .cse6 1)) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296) .cse0)) (or (< .cse1 .cse0) (< .cse0 (+ .cse15 1))) (or (< .cse10 .cse0) (< .cse0 (+ .cse4 1))) (or (< .cse0 (+ .cse7 1)) (< .cse12 .cse0)) (or (< .cse0 (+ .cse16 1)) (< .cse8 .cse0)) (or (< .cse0 (+ .cse14 1)) (< .cse17 .cse0)) (< .cse16 .cse0) (or (< .cse3 .cse0) (< .cse0 (+ .cse17 1))) (or (< .cse13 .cse0) (< .cse0 (+ 1 .cse11))))) is different from false