./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-87.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 983db8b9d7b8c1a6cf88f0ccf9f67454cabc986e490bff9f0d35f6b76f68db9d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:24:04,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:24:04,846 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:24:04,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:24:04,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:24:04,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:24:04,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:24:04,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:24:04,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:24:04,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:24:04,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:24:04,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:24:04,910 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:24:04,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:24:04,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:24:04,913 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:24:04,914 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:24:04,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:24:04,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:24:04,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:24:04,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:24:04,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:24:04,917 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:24:04,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:24:04,918 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:24:04,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:24:04,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:24:04,920 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:24:04,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:24:04,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:24:04,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:24:04,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:24:04,924 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:24:04,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:24:04,924 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:24:04,925 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:24:04,925 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:24:04,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:24:04,926 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:24:04,926 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983db8b9d7b8c1a6cf88f0ccf9f67454cabc986e490bff9f0d35f6b76f68db9d [2023-11-12 02:24:05,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:24:05,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:24:05,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:24:05,305 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:24:05,305 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:24:05,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-87.i [2023-11-12 02:24:08,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:24:08,664 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:24:08,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-87.i [2023-11-12 02:24:08,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/data/6f9c9ff5d/7ed195beb7d1483392b80d015a651b33/FLAG9cfe3ffef [2023-11-12 02:24:08,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/data/6f9c9ff5d/7ed195beb7d1483392b80d015a651b33 [2023-11-12 02:24:08,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:24:08,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:24:08,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:24:08,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:24:08,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:24:08,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:24:08" (1/1) ... [2023-11-12 02:24:08,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d335d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:08, skipping insertion in model container [2023-11-12 02:24:08,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:24:08" (1/1) ... [2023-11-12 02:24:08,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:24:08,963 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-87.i[916,929] [2023-11-12 02:24:09,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:24:09,122 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:24:09,143 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-87.i[916,929] [2023-11-12 02:24:09,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:24:09,262 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:24:09,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:09 WrapperNode [2023-11-12 02:24:09,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:24:09,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:24:09,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:24:09,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:24:09,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:09" (1/1) ... [2023-11-12 02:24:09,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:09" (1/1) ... [2023-11-12 02:24:09,375 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 216 [2023-11-12 02:24:09,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:24:09,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:24:09,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:24:09,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:24:09,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:09" (1/1) ... [2023-11-12 02:24:09,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:09" (1/1) ... [2023-11-12 02:24:09,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:09" (1/1) ... [2023-11-12 02:24:09,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:09" (1/1) ... [2023-11-12 02:24:09,416 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:09" (1/1) ... [2023-11-12 02:24:09,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:09" (1/1) ... [2023-11-12 02:24:09,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:09" (1/1) ... [2023-11-12 02:24:09,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:09" (1/1) ... [2023-11-12 02:24:09,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:24:09,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:24:09,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:24:09,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:24:09,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:09" (1/1) ... [2023-11-12 02:24:09,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:24:09,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:24:09,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:24:09,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:24:09,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:24:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:24:09,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:24:09,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:24:09,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:24:09,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:24:09,724 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:24:09,727 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:24:10,411 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:24:10,419 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:24:10,420 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:24:10,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:24:10 BoogieIcfgContainer [2023-11-12 02:24:10,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:24:10,429 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:24:10,430 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:24:10,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:24:10,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:24:08" (1/3) ... [2023-11-12 02:24:10,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7806dd98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:24:10, skipping insertion in model container [2023-11-12 02:24:10,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:09" (2/3) ... [2023-11-12 02:24:10,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7806dd98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:24:10, skipping insertion in model container [2023-11-12 02:24:10,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:24:10" (3/3) ... [2023-11-12 02:24:10,438 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-87.i [2023-11-12 02:24:10,459 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:24:10,460 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:24:10,547 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:24:10,555 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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;@5107077d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:24:10,556 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:24:10,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 56 states have internal predecessors, (75), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-12 02:24:10,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-12 02:24:10,589 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:24:10,591 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:24:10,593 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:24:10,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:24:10,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1518696061, now seen corresponding path program 1 times [2023-11-12 02:24:10,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:24:10,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514670479] [2023-11-12 02:24:10,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:10,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:24:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:11,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:24:11,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514670479] [2023-11-12 02:24:11,007 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:24:11,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791561129] [2023-11-12 02:24:11,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:11,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:24:11,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:24:11,012 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:24:11,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:24:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:11,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:24:11,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:24:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2023-11-12 02:24:11,416 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:24:11,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791561129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:24:11,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:24:11,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:24:11,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626672282] [2023-11-12 02:24:11,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:24:11,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:24:11,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:24:11,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:24:11,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:24:11,498 INFO L87 Difference]: Start difference. First operand has 92 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 56 states have internal predecessors, (75), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-12 02:24:11,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:24:11,548 INFO L93 Difference]: Finished difference Result 177 states and 314 transitions. [2023-11-12 02:24:11,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:24:11,550 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 213 [2023-11-12 02:24:11,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:24:11,561 INFO L225 Difference]: With dead ends: 177 [2023-11-12 02:24:11,561 INFO L226 Difference]: Without dead ends: 88 [2023-11-12 02:24:11,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:24:11,571 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:24:11,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:24:11,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-12 02:24:11,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-12 02:24:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 52 states have internal predecessors, (68), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-12 02:24:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 136 transitions. [2023-11-12 02:24:11,653 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 136 transitions. Word has length 213 [2023-11-12 02:24:11,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:24:11,654 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 136 transitions. [2023-11-12 02:24:11,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-12 02:24:11,654 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 136 transitions. [2023-11-12 02:24:11,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-12 02:24:11,660 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:24:11,661 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:24:11,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 02:24:11,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:24:11,868 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:24:11,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:24:11,869 INFO L85 PathProgramCache]: Analyzing trace with hash 268510907, now seen corresponding path program 1 times [2023-11-12 02:24:11,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:24:11,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231405789] [2023-11-12 02:24:11,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:11,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:24:11,991 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:24:11,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [966565392] [2023-11-12 02:24:11,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:11,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:24:11,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:24:11,994 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:24:12,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:24:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:12,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:24:12,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:24:12,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1143 proven. 54 refuted. 0 times theorem prover too weak. 1047 trivial. 0 not checked. [2023-11-12 02:24:12,609 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:24:12,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 45 proven. 54 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-12 02:24:12,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:24:12,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231405789] [2023-11-12 02:24:12,937 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:24:12,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966565392] [2023-11-12 02:24:12,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966565392] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:24:12,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:24:12,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-12 02:24:12,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237649979] [2023-11-12 02:24:12,939 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:24:12,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:24:12,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:24:12,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:24:12,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:24:12,944 INFO L87 Difference]: Start difference. First operand 88 states and 136 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2023-11-12 02:24:13,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:24:13,359 INFO L93 Difference]: Finished difference Result 181 states and 276 transitions. [2023-11-12 02:24:13,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:24:13,364 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 213 [2023-11-12 02:24:13,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:24:13,369 INFO L225 Difference]: With dead ends: 181 [2023-11-12 02:24:13,369 INFO L226 Difference]: Without dead ends: 96 [2023-11-12 02:24:13,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 418 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:24:13,375 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 68 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:24:13,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 221 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:24:13,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-12 02:24:13,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2023-11-12 02:24:13,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 55 states have internal predecessors, (70), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-12 02:24:13,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 138 transitions. [2023-11-12 02:24:13,480 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 138 transitions. Word has length 213 [2023-11-12 02:24:13,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:24:13,482 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 138 transitions. [2023-11-12 02:24:13,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2023-11-12 02:24:13,483 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 138 transitions. [2023-11-12 02:24:13,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-12 02:24:13,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:24:13,514 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:24:13,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:24:13,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:24:13,715 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:24:13,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:24:13,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1319836995, now seen corresponding path program 1 times [2023-11-12 02:24:13,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:24:13,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701595104] [2023-11-12 02:24:13,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:13,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:24:13,827 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:24:13,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1620319558] [2023-11-12 02:24:13,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:13,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:24:13,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:24:13,836 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:24:13,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:24:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:14,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-12 02:24:14,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:24:14,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1229 proven. 60 refuted. 0 times theorem prover too weak. 955 trivial. 0 not checked. [2023-11-12 02:24:14,947 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:24:15,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 132 proven. 63 refuted. 0 times theorem prover too weak. 2049 trivial. 0 not checked. [2023-11-12 02:24:15,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:24:15,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701595104] [2023-11-12 02:24:15,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:24:15,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620319558] [2023-11-12 02:24:15,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620319558] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:24:15,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:24:15,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 20 [2023-11-12 02:24:15,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400184184] [2023-11-12 02:24:15,668 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:24:15,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-12 02:24:15,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:24:15,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-12 02:24:15,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2023-11-12 02:24:15,676 INFO L87 Difference]: Start difference. First operand 92 states and 138 transitions. Second operand has 20 states, 20 states have (on average 4.65) internal successors, (93), 20 states have internal predecessors, (93), 6 states have call successors, (68), 4 states have call predecessors, (68), 8 states have return successors, (68), 6 states have call predecessors, (68), 6 states have call successors, (68) [2023-11-12 02:24:16,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:24:16,657 INFO L93 Difference]: Finished difference Result 197 states and 284 transitions. [2023-11-12 02:24:16,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-12 02:24:16,660 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.65) internal successors, (93), 20 states have internal predecessors, (93), 6 states have call successors, (68), 4 states have call predecessors, (68), 8 states have return successors, (68), 6 states have call predecessors, (68), 6 states have call successors, (68) Word has length 213 [2023-11-12 02:24:16,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:24:16,663 INFO L225 Difference]: With dead ends: 197 [2023-11-12 02:24:16,663 INFO L226 Difference]: Without dead ends: 108 [2023-11-12 02:24:16,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=332, Invalid=858, Unknown=0, NotChecked=0, Total=1190 [2023-11-12 02:24:16,669 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 334 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:24:16,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 319 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 02:24:16,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-12 02:24:16,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 102. [2023-11-12 02:24:16,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 62 states have internal predecessors, (72), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-12 02:24:16,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 140 transitions. [2023-11-12 02:24:16,722 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 140 transitions. Word has length 213 [2023-11-12 02:24:16,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:24:16,724 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 140 transitions. [2023-11-12 02:24:16,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.65) internal successors, (93), 20 states have internal predecessors, (93), 6 states have call successors, (68), 4 states have call predecessors, (68), 8 states have return successors, (68), 6 states have call predecessors, (68), 6 states have call successors, (68) [2023-11-12 02:24:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 140 transitions. [2023-11-12 02:24:16,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-12 02:24:16,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:24:16,730 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:24:16,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:24:16,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-12 02:24:16,937 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:24:16,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:24:16,937 INFO L85 PathProgramCache]: Analyzing trace with hash 980985595, now seen corresponding path program 1 times [2023-11-12 02:24:16,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:24:16,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228038838] [2023-11-12 02:24:16,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:16,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:24:16,990 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:24:16,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [928984042] [2023-11-12 02:24:16,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:16,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:24:16,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:24:16,996 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:24:17,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be85c111-94f0-4184-989e-8f97daecc060/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:24:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:17,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-12 02:24:17,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:24:27,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1641 proven. 327 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-12 02:24:27,549 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:24:41,212 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse13 (= (mod c_~var_1_22~0 c_~var_1_5~0) 0)) (.cse17 (+ c_~var_1_5~0 1)) (.cse8 (div c_~var_1_22~0 c_~var_1_5~0)) (.cse0 (+ |c_ULTIMATE.start_step_~stepLocal_0~0#1| 1))) (let ((.cse6 (forall ((~var_1_6~0 Int)) (or (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| (div c_~var_1_22~0 ~var_1_6~0)) (< c_~var_1_5~0 ~var_1_6~0) (< ~var_1_6~0 0)))) (.cse2 (< c_~var_1_22~0 0)) (.cse4 (forall ((~var_1_6~0 Int)) (let ((.cse31 (div c_~var_1_22~0 ~var_1_6~0))) (or (< .cse0 .cse31) (= .cse31 .cse0) (< 0 (+ ~var_1_6~0 1)))))) (.cse9 (forall ((~var_1_6~0 Int)) (let ((.cse30 (div c_~var_1_22~0 ~var_1_6~0))) (or (< .cse0 .cse30) (< c_~var_1_5~0 ~var_1_6~0) (= .cse30 .cse0))))) (.cse12 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| (+ (div c_~var_1_22~0 ~var_1_6~0) 1)) (< ~var_1_6~0 0)))) (.cse7 (< 0 (+ c_~var_1_22~0 1))) (.cse21 (< .cse0 .cse8)) (.cse19 (< 0 .cse17)) (.cse5 (< c_~var_1_5~0 0)) (.cse10 (not .cse13)) (.cse11 (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| .cse8)) (.cse14 (= |c_ULTIMATE.start_step_~stepLocal_0~0#1| .cse8)) (.cse16 (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| (+ .cse8 1)))) (and (forall ((~var_1_6~0 Int)) (let ((.cse1 (div c_~var_1_22~0 ~var_1_6~0))) (or (< .cse0 .cse1) (< c_~var_1_5~0 ~var_1_6~0) (= .cse1 .cse0) (< 0 (+ ~var_1_6~0 1))))) (or (forall ((~var_1_6~0 Int)) (or (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| (div c_~var_1_22~0 ~var_1_6~0)) (< c_~var_1_5~0 ~var_1_6~0))) .cse2) (forall ((~var_1_6~0 Int)) (let ((.cse3 (div c_~var_1_22~0 ~var_1_6~0))) (or (< .cse0 .cse3) (< c_~var_1_5~0 ~var_1_6~0) (= .cse3 .cse0) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0))))) (or (and .cse4 (or (forall ((~var_1_6~0 Int)) (or (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| (div c_~var_1_22~0 ~var_1_6~0)) (< 0 (+ ~var_1_6~0 1)))) .cse2)) .cse5) (or .cse2 .cse6) (or .cse7 (forall ((~var_1_6~0 Int)) (or (< .cse0 (div c_~var_1_22~0 ~var_1_6~0)) (< 0 (+ ~var_1_6~0 1)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0)))) (or (and (<= .cse0 .cse8) .cse6) .cse2) (or .cse2 .cse9) (or .cse7 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| (+ (div c_~var_1_22~0 ~var_1_6~0) 1)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0)))) (forall ((~var_1_6~0 Int)) (or (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| (div c_~var_1_22~0 ~var_1_6~0)) (< c_~var_1_5~0 ~var_1_6~0) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< ~var_1_6~0 0))) (or .cse5 .cse10 .cse4) (or .cse5 (let ((.cse15 (and (forall ((~var_1_6~0 Int)) (or (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| (div c_~var_1_22~0 ~var_1_6~0)) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< ~var_1_6~0 0))) (forall ((~var_1_6~0 Int)) (or (< ~var_1_6~0 .cse17) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0))))))) (and (or .cse10 .cse11 .cse12) (or .cse10 .cse11) (or .cse7 .cse13 .cse12) (or (and .cse14 .cse12) .cse11) (or .cse15 .cse16) (or .cse15 .cse11 .cse2) (or .cse15 .cse10 .cse11)))) (forall ((~var_1_6~0 Int)) (or (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| (div c_~var_1_22~0 ~var_1_6~0)) (< c_~var_1_5~0 ~var_1_6~0) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< 0 (+ ~var_1_6~0 1)))) (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| (+ (div c_~var_1_22~0 ~var_1_6~0) 1)))) (or (forall ((~var_1_6~0 Int)) (or (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| (div c_~var_1_22~0 ~var_1_6~0)) (< c_~var_1_5~0 ~var_1_6~0) (< 0 (+ ~var_1_6~0 1)))) .cse2) (forall ((~var_1_6~0 Int)) (let ((.cse18 (div c_~var_1_22~0 ~var_1_6~0))) (or (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| .cse18) (< c_~var_1_5~0 ~var_1_6~0) (= .cse18 |c_ULTIMATE.start_step_~stepLocal_0~0#1|) (< ~var_1_6~0 0)))) (or .cse19 .cse9) (or .cse19 (and (or .cse7 .cse13 .cse4) .cse9)) (forall ((~var_1_6~0 Int)) (or (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| (div c_~var_1_22~0 ~var_1_6~0)) (< c_~var_1_5~0 ~var_1_6~0) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)))) (or .cse5 (forall ((~var_1_6~0 Int)) (let ((.cse20 (div c_~var_1_22~0 ~var_1_6~0))) (or (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| .cse20) (< c_~var_1_5~0 ~var_1_6~0) (= .cse20 |c_ULTIMATE.start_step_~stepLocal_0~0#1|))))) (or .cse21 (let ((.cse23 (= .cse8 .cse0)) (.cse22 (forall ((~var_1_6~0 Int)) (or (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| (+ (div c_~var_1_22~0 ~var_1_6~0) 1)) (< ~var_1_6~0 0))))) (and (or (and (or .cse22 .cse23) (or .cse7 .cse13 .cse22)) .cse19) (or .cse23 (and (or .cse10 .cse22) (or .cse22 .cse16))) (or .cse10 .cse23) .cse12 (or .cse13 .cse22 .cse16) (or .cse7 .cse19 .cse13)))) (or (forall ((~var_1_6~0 Int)) (or (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| (div c_~var_1_22~0 ~var_1_6~0)) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< 0 (+ ~var_1_6~0 1)))) .cse5) (or .cse7 (let ((.cse27 (forall ((~var_1_6~0 Int)) (or (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| (+ (div c_~var_1_22~0 ~var_1_6~0) 1)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0) (< ~var_1_6~0 0))))) (let ((.cse26 (forall ((~var_1_6~0 Int)) (or (= (mod c_~var_1_22~0 ~var_1_6~0) 0) (< ~var_1_6~0 0)))) (.cse25 (forall ((~var_1_6~0 Int)) (or (< ~var_1_6~0 .cse17) (= (mod c_~var_1_22~0 ~var_1_6~0) 0) (< ~var_1_6~0 0)))) (.cse24 (or .cse16 .cse27)) (.cse28 (or .cse14 .cse27))) (and (or (and .cse24 (or .cse25 .cse16) (or .cse19 (and (or .cse26 .cse21) (or .cse21 .cse27)))) .cse13) (or (and .cse25 .cse27 (or .cse26 .cse19)) .cse10 .cse11) (or .cse11 (and .cse28 (or .cse25 (and .cse10 .cse14 (<= 0 c_~var_1_5~0))) (or .cse10 .cse27) (or .cse19 .cse27))) (or .cse5 (let ((.cse29 (forall ((~var_1_6~0 Int)) (or (< ~var_1_6~0 .cse17) (= (mod c_~var_1_22~0 ~var_1_6~0) 0))))) (and (or (and .cse24 (or .cse16 .cse29)) .cse13) (or (and .cse28 (or .cse14 .cse29)) .cse11) (or .cse10 .cse11 (and .cse27 .cse29))))) (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (< |c_ULTIMATE.start_step_~stepLocal_0~0#1| (+ (div c_~var_1_22~0 ~var_1_6~0) 1)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0) (< ~var_1_6~0 0)))))))))) is different from false [2023-11-12 02:24:47,033 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~var_1_25~0 c_~var_1_22~0 1)) (.cse13 (+ c_~var_1_5~0 1)) (.cse14 (= (mod c_~var_1_22~0 c_~var_1_5~0) 0)) (.cse2 (div c_~var_1_22~0 c_~var_1_5~0)) (.cse0 (+ c_~var_1_25~0 c_~var_1_22~0))) (let ((.cse3 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (< .cse0 (div c_~var_1_22~0 ~var_1_6~0)) (< ~var_1_6~0 0)))) (.cse9 (< .cse0 (+ .cse2 1))) (.cse4 (< c_~var_1_22~0 0)) (.cse6 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (< .cse0 (div c_~var_1_22~0 ~var_1_6~0))))) (.cse12 (< .cse0 .cse2)) (.cse8 (forall ((~var_1_6~0 Int)) (or (< .cse0 (+ (div c_~var_1_22~0 ~var_1_6~0) 1)) (< ~var_1_6~0 0)))) (.cse11 (not .cse14)) (.cse7 (< c_~var_1_5~0 0)) (.cse15 (forall ((~var_1_6~0 Int)) (or (< 0 (+ ~var_1_6~0 1)) (< .cse0 (div c_~var_1_22~0 ~var_1_6~0))))) (.cse10 (< 0 (+ c_~var_1_22~0 1))) (.cse5 (< 0 .cse13)) (.cse16 (< .cse1 .cse2))) (and (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (< .cse0 (+ (div c_~var_1_22~0 ~var_1_6~0) 1)) (< ~var_1_6~0 0))) (or (and (<= .cse1 .cse2) .cse3) .cse4) (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< .cse0 (div c_~var_1_22~0 ~var_1_6~0)))) (or .cse5 .cse6) (or (forall ((~var_1_6~0 Int)) (or (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< 0 (+ ~var_1_6~0 1)) (< .cse0 (div c_~var_1_22~0 ~var_1_6~0)))) .cse7) (or .cse8 .cse9) (or .cse10 (forall ((~var_1_6~0 Int)) (or (< .cse1 (div c_~var_1_22~0 ~var_1_6~0)) (< 0 (+ ~var_1_6~0 1)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0)))) (or .cse11 .cse12) (or .cse7 (and (or (and (or (forall ((~var_1_6~0 Int)) (or (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< .cse0 (div c_~var_1_22~0 ~var_1_6~0)) (< ~var_1_6~0 0))) .cse12) (or .cse12 (forall ((~var_1_6~0 Int)) (or (< ~var_1_6~0 .cse13) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)))))) .cse4) (<= .cse0 .cse2))) (or .cse8 .cse11 .cse12) (or .cse5 (and (or .cse10 .cse14 .cse15) .cse6)) (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< 0 (+ ~var_1_6~0 1)) (< .cse0 (div c_~var_1_22~0 ~var_1_6~0)))) (or .cse3 .cse4) (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (< .cse0 (+ (div c_~var_1_22~0 ~var_1_6~0) 1)))) (or .cse8 .cse14 .cse9) (or .cse4 .cse6) (or .cse10 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (< .cse0 (+ (div c_~var_1_22~0 ~var_1_6~0) 1)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0)))) (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< .cse0 (div c_~var_1_22~0 ~var_1_6~0)) (< ~var_1_6~0 0))) (or .cse5 (and (or .cse8 .cse12) (or .cse10 .cse8 .cse14 .cse16))) (or .cse7 .cse11 .cse15) (or .cse7 .cse15) (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (< 0 (+ ~var_1_6~0 1)) (< .cse0 (div c_~var_1_22~0 ~var_1_6~0)))) (or .cse10 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (< .cse0 (+ (div c_~var_1_22~0 ~var_1_6~0) 1)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0) (< ~var_1_6~0 0)))) (or .cse10 .cse5 .cse14 .cse16)))) is different from false