./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje --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 2c8fdf04e21dc87978be420c24093b18a0079e8ae701300012baeffbaef15472 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:37:53,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:37:53,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:37:53,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:37:53,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:37:53,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:37:53,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:37:53,385 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:37:53,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:37:53,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:37:53,387 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:37:53,387 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:37:53,388 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:37:53,392 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:37:53,393 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:37:53,393 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:37:53,393 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:37:53,394 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:37:53,394 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:37:53,394 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:37:53,395 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:37:53,395 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:37:53,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:37:53,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:37:53,396 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:37:53,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:37:53,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:37:53,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:37:53,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:37:53,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:37:53,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:37:53,399 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:37:53,399 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:37:53,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:37:53,399 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:37:53,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:37:53,400 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:37:53,400 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:37:53,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:37:53,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:37:53,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:37:53,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:37:53,402 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:37:53,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:37:53,402 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:37:53,402 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:37:53,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:37:53,403 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_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c8fdf04e21dc87978be420c24093b18a0079e8ae701300012baeffbaef15472 [2024-11-09 06:37:53,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:37:53,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:37:53,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:37:53,678 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:37:53,679 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:37:53,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c Unable to find full path for "g++" [2024-11-09 06:37:55,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:37:55,829 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:37:55,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c [2024-11-09 06:37:55,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/data/db1fdf900/586e66f208e849668eadfe16733d8760/FLAG9e17d0188 [2024-11-09 06:37:55,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/data/db1fdf900/586e66f208e849668eadfe16733d8760 [2024-11-09 06:37:55,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:37:55,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:37:55,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:37:55,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:37:55,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:37:55,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:37:55" (1/1) ... [2024-11-09 06:37:55,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d294263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:55, skipping insertion in model container [2024-11-09 06:37:55,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:37:55" (1/1) ... [2024-11-09 06:37:55,889 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:37:56,053 WARN L250 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_202c6be6-0a3f-4b21-91f6-7ab4227302a1/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c[525,538] [2024-11-09 06:37:56,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:37:56,080 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:37:56,092 WARN L250 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_202c6be6-0a3f-4b21-91f6-7ab4227302a1/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c[525,538] [2024-11-09 06:37:56,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:37:56,113 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:37:56,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:56 WrapperNode [2024-11-09 06:37:56,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:37:56,115 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:37:56,115 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:37:56,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:37:56,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:56" (1/1) ... [2024-11-09 06:37:56,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:56" (1/1) ... [2024-11-09 06:37:56,145 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-11-09 06:37:56,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:37:56,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:37:56,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:37:56,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:37:56,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:56" (1/1) ... [2024-11-09 06:37:56,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:56" (1/1) ... [2024-11-09 06:37:56,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:56" (1/1) ... [2024-11-09 06:37:56,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:56" (1/1) ... [2024-11-09 06:37:56,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:56" (1/1) ... [2024-11-09 06:37:56,170 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:56" (1/1) ... [2024-11-09 06:37:56,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:56" (1/1) ... [2024-11-09 06:37:56,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:56" (1/1) ... [2024-11-09 06:37:56,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:37:56,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:37:56,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:37:56,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:37:56,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:56" (1/1) ... [2024-11-09 06:37:56,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:37:56,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:37:56,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:37:56,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:37:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:37:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:37:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:37:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:37:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:37:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:37:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 06:37:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 06:37:56,317 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:37:56,319 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:37:56,450 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 06:37:56,450 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:37:56,482 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:37:56,482 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:37:56,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:37:56 BoogieIcfgContainer [2024-11-09 06:37:56,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:37:56,486 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:37:56,486 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:37:56,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:37:56,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:37:55" (1/3) ... [2024-11-09 06:37:56,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f3939d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:37:56, skipping insertion in model container [2024-11-09 06:37:56,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:56" (2/3) ... [2024-11-09 06:37:56,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f3939d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:37:56, skipping insertion in model container [2024-11-09 06:37:56,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:37:56" (3/3) ... [2024-11-09 06:37:56,492 INFO L112 eAbstractionObserver]: Analyzing ICFG geo2-ll_valuebound100.c [2024-11-09 06:37:56,515 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:37:56,515 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:37:56,569 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:37:56,576 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@1458c1e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:37:56,576 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:37:56,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 06:37:56,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 06:37:56,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:56,587 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:37:56,587 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:56,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:56,592 INFO L85 PathProgramCache]: Analyzing trace with hash -838031573, now seen corresponding path program 1 times [2024-11-09 06:37:56,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:37:56,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179427122] [2024-11-09 06:37:56,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:56,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:37:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:37:56,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1634006183] [2024-11-09 06:37:56,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:56,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:37:56,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:37:56,726 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:37:56,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:37:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:56,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 06:37:56,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:37:56,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 06:37:56,966 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:37:56,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:37:56,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179427122] [2024-11-09 06:37:56,968 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 06:37:56,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634006183] [2024-11-09 06:37:56,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634006183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:37:56,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:37:56,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:37:56,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751618693] [2024-11-09 06:37:56,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:37:56,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:37:56,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:37:57,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:37:57,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:37:57,020 INFO L87 Difference]: Start difference. First operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 06:37:57,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:57,139 INFO L93 Difference]: Finished difference Result 40 states and 55 transitions. [2024-11-09 06:37:57,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:37:57,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-11-09 06:37:57,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:57,151 INFO L225 Difference]: With dead ends: 40 [2024-11-09 06:37:57,151 INFO L226 Difference]: Without dead ends: 24 [2024-11-09 06:37:57,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:37:57,159 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 4 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:37:57,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 51 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:37:57,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-09 06:37:57,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-09 06:37:57,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 06:37:57,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2024-11-09 06:37:57,195 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 14 [2024-11-09 06:37:57,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:57,195 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2024-11-09 06:37:57,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 06:37:57,196 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-11-09 06:37:57,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 06:37:57,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:57,197 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:37:57,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:37:57,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:37:57,398 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:57,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:57,399 INFO L85 PathProgramCache]: Analyzing trace with hash -420431113, now seen corresponding path program 1 times [2024-11-09 06:37:57,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:37:57,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206683664] [2024-11-09 06:37:57,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:57,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:37:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:37:57,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [917960468] [2024-11-09 06:37:57,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:57,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:37:57,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:37:57,444 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:37:57,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:37:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:57,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 06:37:57,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:37:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 06:37:57,765 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:38:00,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 2 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 06:38:00,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:38:00,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206683664] [2024-11-09 06:38:00,513 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 06:38:00,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917960468] [2024-11-09 06:38:00,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917960468] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:38:00,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [79070126] [2024-11-09 06:38:00,535 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-09 06:38:00,535 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:38:00,539 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:38:00,544 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:38:00,545 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:38:01,922 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 37 for LOIs [2024-11-09 06:38:02,056 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 69 for LOIs [2024-11-09 06:38:02,087 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:38:13,417 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '296#(and (= |__VERIFIER_assert_#in~cond| 0) (exists ((|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_13| Int) (|v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_main_~k~0#1_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_19| Int) (|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13| Int)) (and (<= 1 |#StackHeapBarrier|) (<= 0 |v_ULTIMATE.start_main_~k~0#1_BEFORE_CALL_11|) (not (= (mod (+ (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_19| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_19| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_13| 18446744073709551615) 1) 18446744073709551616) 0)) (<= 1 |v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_9|) (<= |v_ULTIMATE.start_main_~k~0#1_BEFORE_CALL_11| 100) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_19|) (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_19| 100))))' at error location [2024-11-09 06:38:13,417 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:38:13,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:38:13,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 10 [2024-11-09 06:38:13,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523368045] [2024-11-09 06:38:13,418 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 06:38:13,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 06:38:13,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:38:13,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 06:38:13,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=431, Unknown=5, NotChecked=0, Total=506 [2024-11-09 06:38:13,421 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 6 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-09 06:38:23,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 06:38:31,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 06:38:33,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 06:38:35,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 06:38:37,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 06:38:39,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 06:38:39,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:38:39,246 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2024-11-09 06:38:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 06:38:39,247 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 6 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 21 [2024-11-09 06:38:39,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:38:39,248 INFO L225 Difference]: With dead ends: 42 [2024-11-09 06:38:39,249 INFO L226 Difference]: Without dead ends: 37 [2024-11-09 06:38:39,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 27.2s TimeCoverageRelationStatistics Valid=89, Invalid=551, Unknown=10, NotChecked=0, Total=650 [2024-11-09 06:38:39,251 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 20 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 10 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:38:39,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 81 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 69 Invalid, 6 Unknown, 0 Unchecked, 12.4s Time] [2024-11-09 06:38:39,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-09 06:38:39,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-09 06:38:39,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 06:38:39,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2024-11-09 06:38:39,272 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 21 [2024-11-09 06:38:39,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:38:39,273 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2024-11-09 06:38:39,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 6 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-09 06:38:39,274 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2024-11-09 06:38:39,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 06:38:39,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:38:39,276 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:38:39,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 06:38:39,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:38:39,480 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:38:39,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:38:39,481 INFO L85 PathProgramCache]: Analyzing trace with hash 502729771, now seen corresponding path program 2 times [2024-11-09 06:38:39,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:38:39,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801511157] [2024-11-09 06:38:39,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:38:39,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:38:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:38:39,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [255448949] [2024-11-09 06:38:39,592 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 06:38:39,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:38:39,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:38:39,595 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:38:39,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:40:24,000 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 06:40:24,001 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:40:24,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 06:40:24,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:40:52,499 WARN L851 $PredicateComparison]: unable to prove that (or (and (exists ((|v_ULTIMATE.start_main_~y~0#1_24| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| Int) (|v_ULTIMATE.start_main_~x~0#1_24| Int)) (and (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 100) (not (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|)) 18446744073709551616) 0)) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|) (* |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) 1) 18446744073709551616) 0) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27|))) (= |c___VERIFIER_assert_#in~cond| 0)) (= |c___VERIFIER_assert_#in~cond| 1)) is different from false [2024-11-09 06:41:08,625 WARN L851 $PredicateComparison]: unable to prove that (or (and (exists ((|v_ULTIMATE.start_main_~y~0#1_24| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| Int) (|v_ULTIMATE.start_main_~x~0#1_24| Int)) (and (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 100) (not (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|)) 18446744073709551616) 0)) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|) (* |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) 1) 18446744073709551616) 0) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27|))) (= c___VERIFIER_assert_~cond 0)) (= c___VERIFIER_assert_~cond 1)) is different from false [2024-11-09 06:41:24,719 WARN L851 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~y~0#1_24| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| Int) (|v_ULTIMATE.start_main_~x~0#1_24| Int)) (and (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 100) (not (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|)) 18446744073709551616) 0)) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|) (* |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) 1) 18446744073709551616) 0) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27|))) is different from false [2024-11-09 06:41:26,778 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~y~0#1_24| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| Int) (|v_ULTIMATE.start_main_~x~0#1_24| Int)) (and (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 100) (not (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|)) 18446744073709551616) 0)) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|) (* |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) 1) 18446744073709551616) 0) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27|))) is different from true [2024-11-09 06:41:26,778 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 1 not checked. [2024-11-09 06:41:26,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:41:57,228 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:42:24,928 WARN L286 SmtUtils]: Spent 10.18s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:42:33,092 WARN L873 $PredicateComparison]: unable to prove that (or (not (= |c___VERIFIER_assert_#in~cond| 1)) (forall ((|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| Int) (|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_15| Int)) (or (not (= (mod (+ (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_15| 18446744073709551615) 1) 18446744073709551616) 0)) (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_15| 18446744073709551615)) 18446744073709551616) 0)))) is different from true [2024-11-09 06:42:33,134 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 1 not checked. [2024-11-09 06:42:33,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:42:33,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801511157] [2024-11-09 06:42:33,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 06:42:33,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255448949] [2024-11-09 06:42:33,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255448949] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:42:33,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1117022078] [2024-11-09 06:42:33,138 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-09 06:42:33,138 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:42:33,138 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:42:33,139 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:42:33,139 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:42:33,656 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 37 for LOIs [2024-11-09 06:42:33,745 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 69 for LOIs [2024-11-09 06:42:33,761 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:43:22,354 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '702#(and (exists ((|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_24| Int) (|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_24| Int) (|v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_18| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_42| Int) (|v_ULTIMATE.start_main_~k~0#1_BEFORE_CALL_24| Int)) (and (not (= (mod (+ (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_42| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_42| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_24| 18446744073709551615) 1) 18446744073709551616) 0)) (<= 1 |#StackHeapBarrier|) (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_42| 100) (<= 0 |v_ULTIMATE.start_main_~k~0#1_BEFORE_CALL_24|) (<= 1 |v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_18|) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_42|) (<= |v_ULTIMATE.start_main_~k~0#1_BEFORE_CALL_24| 100))) (= |__VERIFIER_assert_#in~cond| 0))' at error location [2024-11-09 06:43:22,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:43:22,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:43:22,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2024-11-09 06:43:22,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681861685] [2024-11-09 06:43:22,354 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 06:43:22,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 06:43:22,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:43:22,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 06:43:22,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=557, Unknown=25, NotChecked=204, Total=870 [2024-11-09 06:43:22,359 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand has 17 states, 16 states have (on average 1.875) internal successors, (30), 13 states have internal predecessors, (30), 4 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 06:43:24,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:43:26,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:43:29,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:43:39,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:43:41,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:43:50,209 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification. DAG size of input: 33 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:43:52,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:43:54,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:43:56,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2024-11-09 06:43:58,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:44:00,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:44:02,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:44:04,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:44:06,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:44:08,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 06:44:10,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:44:12,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 06:44:22,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 06:44:24,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2024-11-09 06:44:26,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2024-11-09 06:44:28,788 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c___VERIFIER_assert_#in~cond| 0)) (.cse1 (= |c___VERIFIER_assert_#in~cond| 1))) (and (not .cse0) (or (not .cse1) (forall ((|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| Int) (|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_15| Int)) (or (not (= (mod (+ (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_15| 18446744073709551615) 1) 18446744073709551616) 0)) (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_15| 18446744073709551615)) 18446744073709551616) 0)))) (or (and (exists ((|v_ULTIMATE.start_main_~y~0#1_24| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| Int) (|v_ULTIMATE.start_main_~x~0#1_24| Int)) (and (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 100) (not (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|)) 18446744073709551616) 0)) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|) (* |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) 1) 18446744073709551616) 0) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27|))) .cse0) .cse1))) is different from false [2024-11-09 06:44:30,801 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c___VERIFIER_assert_#in~cond| 0)) (.cse1 (= |c___VERIFIER_assert_#in~cond| 1))) (and (not .cse0) (or (not .cse1) (forall ((|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| Int) (|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_15| Int)) (or (not (= (mod (+ (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_15| 18446744073709551615) 1) 18446744073709551616) 0)) (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_15| 18446744073709551615)) 18446744073709551616) 0)))) (or (and (exists ((|v_ULTIMATE.start_main_~y~0#1_24| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| Int) (|v_ULTIMATE.start_main_~x~0#1_24| Int)) (and (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 100) (not (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|)) 18446744073709551616) 0)) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|) (* |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) 1) 18446744073709551616) 0) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27|))) .cse0) .cse1))) is different from true [2024-11-09 06:44:32,809 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (= c___VERIFIER_assert_~cond 0))) (and (not .cse0) (or .cse0 (and (not (= |c___VERIFIER_assert_#in~cond| 0)) (or (not (= |c___VERIFIER_assert_#in~cond| 1)) (forall ((|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| Int) (|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_15| Int)) (or (not (= (mod (+ (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_15| 18446744073709551615) 1) 18446744073709551616) 0)) (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_15| 18446744073709551615)) 18446744073709551616) 0)))))) (or (and (exists ((|v_ULTIMATE.start_main_~y~0#1_24| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| Int) (|v_ULTIMATE.start_main_~x~0#1_24| Int)) (and (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 100) (not (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|)) 18446744073709551616) 0)) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|) (* |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) 1) 18446744073709551616) 0) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27|))) .cse0) (= c___VERIFIER_assert_~cond 1)) (= |c___VERIFIER_assert_#in~cond| c___VERIFIER_assert_~cond))) is different from false [2024-11-09 06:44:34,816 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (= c___VERIFIER_assert_~cond 0))) (and (not .cse0) (or .cse0 (and (not (= |c___VERIFIER_assert_#in~cond| 0)) (or (not (= |c___VERIFIER_assert_#in~cond| 1)) (forall ((|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| Int) (|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_15| Int)) (or (not (= (mod (+ (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_15| 18446744073709551615) 1) 18446744073709551616) 0)) (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_28| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_15| 18446744073709551615)) 18446744073709551616) 0)))))) (or (and (exists ((|v_ULTIMATE.start_main_~y~0#1_24| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| Int) (|v_ULTIMATE.start_main_~x~0#1_24| Int)) (and (<= |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 100) (not (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|)) 18446744073709551616) 0)) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| 18446744073709551615 |v_ULTIMATE.start_main_~y~0#1_24|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~x~0#1_24|) (* |v_ULTIMATE.start_main_~x~0#1_24| 18446744073709551615) 1) 18446744073709551616) 0) (<= 0 |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_27|))) .cse0) (= c___VERIFIER_assert_~cond 1)) (= |c___VERIFIER_assert_#in~cond| c___VERIFIER_assert_~cond))) is different from true [2024-11-09 06:44:36,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2024-11-09 06:44:38,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2024-11-09 06:44:40,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2024-11-09 06:44:42,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2024-11-09 06:44:44,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2024-11-09 06:44:46,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2024-11-09 06:44:48,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2024-11-09 06:44:50,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2024-11-09 06:44:52,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:44:54,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:44:56,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:44:58,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:45:06,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:45:09,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:45:11,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:45:13,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 06:45:13,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:45:13,023 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2024-11-09 06:45:13,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 06:45:13,025 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.875) internal successors, (30), 13 states have internal predecessors, (30), 4 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) Word has length 42 [2024-11-09 06:45:13,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:45:13,026 INFO L225 Difference]: With dead ends: 41 [2024-11-09 06:45:13,026 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 06:45:13,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 94 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 134.9s TimeCoverageRelationStatistics Valid=113, Invalid=744, Unknown=37, NotChecked=366, Total=1260 [2024-11-09 06:45:13,027 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 7 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 108 IncrementalHoareTripleChecker+Unchecked, 71.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:45:13,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 103 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 33 Unknown, 108 Unchecked, 71.2s Time] [2024-11-09 06:45:13,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 06:45:13,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 06:45:13,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:45:13,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 06:45:13,030 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2024-11-09 06:45:13,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:45:13,030 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 06:45:13,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.875) internal successors, (30), 13 states have internal predecessors, (30), 4 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 06:45:13,030 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 06:45:13,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 06:45:13,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:45:13,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 06:45:13,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:45:13,242 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1] [2024-11-09 06:45:13,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 06:45:22,289 WARN L286 SmtUtils]: Spent 7.19s on a formula simplification. DAG size of input: 46 DAG size of output: 35 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-09 06:45:29,898 WARN L286 SmtUtils]: Spent 7.60s on a formula simplification. DAG size of input: 46 DAG size of output: 35 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-09 06:46:12,077 WARN L286 SmtUtils]: Spent 42.18s on a formula simplification. DAG size of input: 75 DAG size of output: 4 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-09 06:47:22,355 WARN L286 SmtUtils]: Spent 1.17m on a formula simplification. DAG size of input: 75 DAG size of output: 4 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-09 06:47:22,359 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:47:22,375 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 06:47:22,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:47:22 BoogieIcfgContainer [2024-11-09 06:47:22,386 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:47:22,387 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:47:22,387 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:47:22,387 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:47:22,388 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:37:56" (3/4) ... [2024-11-09 06:47:22,391 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:47:22,394 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 06:47:22,394 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 06:47:22,403 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-09 06:47:22,403 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 06:47:22,403 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 06:47:22,403 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 06:47:22,502 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 06:47:22,502 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 06:47:22,502 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:47:22,503 INFO L158 Benchmark]: Toolchain (without parser) took 566644.37ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 131.9MB in the beginning and 121.5MB in the end (delta: 10.4MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2024-11-09 06:47:22,503 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:47:22,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.41ms. Allocated memory is still 163.6MB. Free memory was 131.9MB in the beginning and 119.1MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 06:47:22,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.83ms. Allocated memory is still 163.6MB. Free memory was 119.1MB in the beginning and 117.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:47:22,504 INFO L158 Benchmark]: Boogie Preprocessor took 25.95ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 116.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:47:22,504 INFO L158 Benchmark]: RCFGBuilder took 309.12ms. Allocated memory is still 163.6MB. Free memory was 116.6MB in the beginning and 104.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 06:47:22,505 INFO L158 Benchmark]: TraceAbstraction took 565900.61ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 104.4MB in the beginning and 125.7MB in the end (delta: -21.3MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2024-11-09 06:47:22,505 INFO L158 Benchmark]: Witness Printer took 115.47ms. Allocated memory is still 243.3MB. Free memory was 125.7MB in the beginning and 121.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:47:22,508 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.41ms. Allocated memory is still 163.6MB. Free memory was 131.9MB in the beginning and 119.1MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.83ms. Allocated memory is still 163.6MB. Free memory was 119.1MB in the beginning and 117.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.95ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 116.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.12ms. Allocated memory is still 163.6MB. Free memory was 116.6MB in the beginning and 104.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 565900.61ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 104.4MB in the beginning and 125.7MB in the end (delta: -21.3MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. * Witness Printer took 115.47ms. Allocated memory is still 243.3MB. Free memory was 125.7MB in the beginning and 121.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 17]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 436.7s, OverallIterations: 3, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 136.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 39 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 83.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 235 SdHoareTripleChecker+Invalid, 83.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 108 IncrementalHoareTripleChecker+Unchecked, 198 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 172 IncrementalHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 37 mSDtfsCounter, 172 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 210 GetRequests, 142 SyntacticMatches, 6 SemanticMatches, 62 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 162.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=2, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 104.6s SatisfiabilityAnalysisTime, 132.3s InterpolantComputationTime, 154 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 135 ConstructedInterpolants, 9 QuantifiedInterpolants, 906 SizeOfPredicates, 6 NumberOfNonLiveVariables, 193 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 126/134 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (((((x == 1) && (y == 1)) && (z <= 100)) && (0 <= z)) || ((((((((((__int128) x * z) + ((unsigned __int128) 18446744073709551615U * x)) + 1) + (((unsigned __int128) 18446744073709551615U * y) * z)) >= 0) ? ((((((__int128) x * z) + ((unsigned __int128) 18446744073709551615U * x)) + 1) + (((unsigned __int128) 18446744073709551615U * y) * z)) % ((unsigned __int128) 1 << 64)) : (((((((__int128) x * z) + ((unsigned __int128) 18446744073709551615U * x)) + 1) + (((unsigned __int128) 18446744073709551615U * y) * z)) % ((unsigned __int128) 1 << 64)) + ((unsigned __int128) 1 << 64))) == 0) && (z <= 100)) && (0 <= z))) - ProcedureContractResult [Line: 11]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: (cond != 0) Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-09 06:47:22,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202c6be6-0a3f-4b21-91f6-7ab4227302a1/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE