./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a3cc8f4dc3627ca478516e9ddf056bcaabf24874a2c66b0dbc53cccb617610ef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:55:01,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:55:01,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 21:55:01,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:55:01,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:55:01,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:55:01,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:55:01,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:55:01,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:55:01,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:55:01,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:55:01,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:55:01,408 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:55:01,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:55:01,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:55:01,410 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:55:01,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:55:01,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:55:01,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:55:01,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:55:01,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:55:01,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:55:01,414 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:55:01,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:55:01,415 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:55:01,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:55:01,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:55:01,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:55:01,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:55:01,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:55:01,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:55:01,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:55:01,420 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:55:01,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:55:01,420 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:55:01,420 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:55:01,421 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:55:01,421 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:55:01,421 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:55:01,421 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_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3cc8f4dc3627ca478516e9ddf056bcaabf24874a2c66b0dbc53cccb617610ef [2023-11-06 21:55:01,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:55:01,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:55:01,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:55:01,733 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:55:01,733 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:55:01,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i [2023-11-06 21:55:04,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:55:05,045 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:55:05,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i [2023-11-06 21:55:05,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/data/f7770efe9/919a52f47f4d46deb1159e23c5d91e58/FLAG8950365db [2023-11-06 21:55:05,071 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/data/f7770efe9/919a52f47f4d46deb1159e23c5d91e58 [2023-11-06 21:55:05,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:55:05,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:55:05,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:55:05,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:55:05,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:55:05,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:55:05" (1/1) ... [2023-11-06 21:55:05,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115357bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:05, skipping insertion in model container [2023-11-06 21:55:05,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:55:05" (1/1) ... [2023-11-06 21:55:05,127 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:55:05,268 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_efe54301-002b-4e29-883c-6e6c12c802b6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i[916,929] [2023-11-06 21:55:05,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:55:05,404 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:55:05,434 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_efe54301-002b-4e29-883c-6e6c12c802b6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i[916,929] [2023-11-06 21:55:05,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:55:05,516 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:55:05,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:05 WrapperNode [2023-11-06 21:55:05,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:55:05,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:55:05,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:55:05,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:55:05,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:05" (1/1) ... [2023-11-06 21:55:05,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:05" (1/1) ... [2023-11-06 21:55:05,596 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 216 [2023-11-06 21:55:05,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:55:05,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:55:05,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:55:05,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:55:05,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:05" (1/1) ... [2023-11-06 21:55:05,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:05" (1/1) ... [2023-11-06 21:55:05,612 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:05" (1/1) ... [2023-11-06 21:55:05,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:05" (1/1) ... [2023-11-06 21:55:05,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:05" (1/1) ... [2023-11-06 21:55:05,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:05" (1/1) ... [2023-11-06 21:55:05,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:05" (1/1) ... [2023-11-06 21:55:05,638 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:05" (1/1) ... [2023-11-06 21:55:05,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:55:05,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:55:05,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:55:05,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:55:05,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:05" (1/1) ... [2023-11-06 21:55:05,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:55:05,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:05,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:05,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:55:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:55:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:55:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:55:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:55:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:55:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:55:05,884 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:55:05,886 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:55:06,576 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:55:06,583 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:55:06,584 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:55:06,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:55:06 BoogieIcfgContainer [2023-11-06 21:55:06,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:55:06,589 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:55:06,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:55:06,593 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:55:06,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:55:05" (1/3) ... [2023-11-06 21:55:06,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9172d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:55:06, skipping insertion in model container [2023-11-06 21:55:06,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:05" (2/3) ... [2023-11-06 21:55:06,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9172d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:55:06, skipping insertion in model container [2023-11-06 21:55:06,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:55:06" (3/3) ... [2023-11-06 21:55:06,597 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-87.i [2023-11-06 21:55:06,617 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:55:06,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:55:06,675 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:55:06,682 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=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4be4be67, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:55:06,683 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:55:06,688 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) [2023-11-06 21:55:06,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-06 21:55:06,711 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:06,712 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] [2023-11-06 21:55:06,713 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:06,719 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:06,720 INFO L85 PathProgramCache]: Analyzing trace with hash -938730253, now seen corresponding path program 1 times [2023-11-06 21:55:06,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:06,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637505585] [2023-11-06 21:55:06,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:06,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:07,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:07,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637505585] [2023-11-06 21:55:07,098 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 21:55:07,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302957395] [2023-11-06 21:55:07,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:07,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:07,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:07,103 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:55:07,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 21:55:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:07,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 21:55:07,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:07,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2023-11-06 21:55:07,517 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:55:07,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302957395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:07,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:55:07,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:55:07,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699302850] [2023-11-06 21:55:07,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:07,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:55:07,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:07,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:55:07,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:55:07,564 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) [2023-11-06 21:55:07,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:07,616 INFO L93 Difference]: Finished difference Result 177 states and 314 transitions. [2023-11-06 21:55:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:55:07,622 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 [2023-11-06 21:55:07,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:07,635 INFO L225 Difference]: With dead ends: 177 [2023-11-06 21:55:07,635 INFO L226 Difference]: Without dead ends: 88 [2023-11-06 21:55:07,645 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 [2023-11-06 21:55:07,656 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 [2023-11-06 21:55:07,658 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] [2023-11-06 21:55:07,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-06 21:55:07,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-06 21:55:07,719 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) [2023-11-06 21:55:07,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 136 transitions. [2023-11-06 21:55:07,724 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 136 transitions. Word has length 213 [2023-11-06 21:55:07,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:07,725 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 136 transitions. [2023-11-06 21:55:07,725 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) [2023-11-06 21:55:07,725 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 136 transitions. [2023-11-06 21:55:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-06 21:55:07,731 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:07,732 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] [2023-11-06 21:55:07,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:07,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 21:55:07,934 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:07,935 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:07,935 INFO L85 PathProgramCache]: Analyzing trace with hash 848476715, now seen corresponding path program 1 times [2023-11-06 21:55:07,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:07,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683501603] [2023-11-06 21:55:07,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:07,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:08,021 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:55:08,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [662652195] [2023-11-06 21:55:08,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:08,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:08,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:08,032 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:55:08,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 21:55:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:08,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 21:55:08,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:08,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1143 proven. 54 refuted. 0 times theorem prover too weak. 1047 trivial. 0 not checked. [2023-11-06 21:55:08,704 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:55:08,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 45 proven. 54 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-06 21:55:08,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:08,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683501603] [2023-11-06 21:55:08,986 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 21:55:08,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662652195] [2023-11-06 21:55:08,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662652195] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:55:08,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 21:55:08,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-06 21:55:08,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363611033] [2023-11-06 21:55:08,988 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 21:55:08,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 21:55:08,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:08,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 21:55:08,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 21:55:08,997 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) [2023-11-06 21:55:09,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:09,368 INFO L93 Difference]: Finished difference Result 181 states and 276 transitions. [2023-11-06 21:55:09,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 21:55:09,370 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 [2023-11-06 21:55:09,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:09,374 INFO L225 Difference]: With dead ends: 181 [2023-11-06 21:55:09,375 INFO L226 Difference]: Without dead ends: 96 [2023-11-06 21:55:09,376 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 [2023-11-06 21:55:09,377 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 113 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:09,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 221 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 21:55:09,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-06 21:55:09,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2023-11-06 21:55:09,402 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) [2023-11-06 21:55:09,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 138 transitions. [2023-11-06 21:55:09,404 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 138 transitions. Word has length 213 [2023-11-06 21:55:09,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:09,406 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 138 transitions. [2023-11-06 21:55:09,406 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) [2023-11-06 21:55:09,406 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 138 transitions. [2023-11-06 21:55:09,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-06 21:55:09,411 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:09,411 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] [2023-11-06 21:55:09,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:09,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:09,618 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:09,618 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:09,619 INFO L85 PathProgramCache]: Analyzing trace with hash -172591639, now seen corresponding path program 1 times [2023-11-06 21:55:09,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:09,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518967719] [2023-11-06 21:55:09,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:09,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:09,736 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:55:09,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1846622550] [2023-11-06 21:55:09,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:09,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:09,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:09,741 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:55:09,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 21:55:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:09,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 21:55:09,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:10,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1229 proven. 60 refuted. 0 times theorem prover too weak. 955 trivial. 0 not checked. [2023-11-06 21:55:10,753 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:55:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 132 proven. 63 refuted. 0 times theorem prover too weak. 2049 trivial. 0 not checked. [2023-11-06 21:55:11,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:11,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518967719] [2023-11-06 21:55:11,404 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 21:55:11,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846622550] [2023-11-06 21:55:11,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846622550] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:55:11,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 21:55:11,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 20 [2023-11-06 21:55:11,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021988680] [2023-11-06 21:55:11,406 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 21:55:11,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-06 21:55:11,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:11,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-06 21:55:11,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2023-11-06 21:55:11,415 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) [2023-11-06 21:55:12,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:12,322 INFO L93 Difference]: Finished difference Result 197 states and 284 transitions. [2023-11-06 21:55:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 21:55:12,324 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 [2023-11-06 21:55:12,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:12,327 INFO L225 Difference]: With dead ends: 197 [2023-11-06 21:55:12,327 INFO L226 Difference]: Without dead ends: 108 [2023-11-06 21:55:12,329 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 [2023-11-06 21:55:12,331 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 338 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:12,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 271 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 21:55:12,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-06 21:55:12,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 102. [2023-11-06 21:55:12,361 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) [2023-11-06 21:55:12,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 140 transitions. [2023-11-06 21:55:12,363 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 140 transitions. Word has length 213 [2023-11-06 21:55:12,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:12,365 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 140 transitions. [2023-11-06 21:55:12,365 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) [2023-11-06 21:55:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 140 transitions. [2023-11-06 21:55:12,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-06 21:55:12,370 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:12,371 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] [2023-11-06 21:55:12,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:12,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:12,573 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:12,573 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:12,573 INFO L85 PathProgramCache]: Analyzing trace with hash 2128230951, now seen corresponding path program 1 times [2023-11-06 21:55:12,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:12,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936943289] [2023-11-06 21:55:12,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:12,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:12,631 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:55:12,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [706027930] [2023-11-06 21:55:12,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:12,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:55:12,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:12,633 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:55:12,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe54301-002b-4e29-883c-6e6c12c802b6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 21:55:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:12,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-06 21:55:12,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:26,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1718 proven. 273 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-11-06 21:55:26,379 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:55:30,992 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse1 (= (mod c_~var_1_22~0 c_~var_1_5~0) 0)) (.cse26 (+ c_~var_1_22~0 1))) (let ((.cse7 (+ c_~var_1_5~0 1)) (.cse25 (div c_~var_1_22~0 c_~var_1_5~0)) (.cse8 (+ |c_ULTIMATE.start_step_~stepLocal_0~0#1| 1)) (.cse15 (<= .cse26 0)) (.cse5 (not .cse1))) (let ((.cse13 (< c_~var_1_22~0 0)) (.cse12 (and .cse15 .cse5)) (.cse0 (< 0 .cse26)) (.cse3 (not (= .cse25 .cse8))) (.cse9 (< 0 .cse7)) (.cse6 (not (= |c_ULTIMATE.start_step_~stepLocal_0~0#1| .cse25))) (.cse17 (not (= |c_ULTIMATE.start_step_~stepLocal_0~0#1| (+ .cse25 1)))) (.cse10 (< c_~var_1_5~0 0))) (and (or .cse0 (and (or (let ((.cse2 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse8)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0)))) (.cse4 (forall ((~var_1_6~0 Int)) (or (< ~var_1_6~0 .cse7) (< 0 (+ ~var_1_6~0 1)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0))))) (and (or .cse1 (and .cse2 (or .cse3 .cse4))) (or .cse5 (and .cse2 (or .cse6 .cse4))))) .cse9) (or .cse10 (let ((.cse11 (forall ((~var_1_6~0 Int)) (or (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse8)) (< 0 (+ ~var_1_6~0 1)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0))))) (and (or .cse5 .cse11) (or .cse1 .cse11)))))) (or .cse10 (let ((.cse14 (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)) (not (= (div c_~var_1_22~0 ~var_1_6~0) |c_ULTIMATE.start_step_~stepLocal_0~0#1|)) (< ~var_1_6~0 0)))) (.cse16 (forall ((~var_1_6~0 Int)) (or (< ~var_1_6~0 .cse7) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)))))) (and (or .cse12 (and (or .cse13 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (div c_~var_1_22~0 ~var_1_6~0) |c_ULTIMATE.start_step_~stepLocal_0~0#1|)) (< ~var_1_6~0 0)))) .cse14 (or .cse6 (and .cse15 .cse16)))) (or .cse0 (and .cse14 (or .cse17 .cse16)) .cse1)))) (or .cse10 (let ((.cse18 (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)) (not (= (div c_~var_1_22~0 ~var_1_6~0) |c_ULTIMATE.start_step_~stepLocal_0~0#1|)))))) (and (or .cse0 .cse18 .cse1) (or (and (or .cse13 (forall ((~var_1_6~0 Int)) (or (< 0 (+ ~var_1_6~0 1)) (not (= (div c_~var_1_22~0 ~var_1_6~0) |c_ULTIMATE.start_step_~stepLocal_0~0#1|))))) .cse18) .cse12)))) (or .cse9 (let ((.cse19 (forall ((~var_1_6~0 Int)) (or (< ~var_1_6~0 .cse7) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< 0 (+ ~var_1_6~0 1))))) (.cse20 (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)) (not (= (div c_~var_1_22~0 ~var_1_6~0) |c_ULTIMATE.start_step_~stepLocal_0~0#1|)))))) (and (or .cse12 (and (or .cse6 (and (or (= .cse7 0) .cse13) .cse19)) .cse20 (or (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (div c_~var_1_22~0 ~var_1_6~0) |c_ULTIMATE.start_step_~stepLocal_0~0#1|)))) .cse13))) (or .cse0 .cse1 (and (or .cse3 .cse19) .cse20))))) (or .cse9 (let ((.cse21 (forall ((~var_1_6~0 Int)) (or (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< ~var_1_6~0 0))))) (and (or .cse0 .cse21 .cse3 .cse1) (or .cse6 .cse12 (and .cse15 .cse21))))) (or .cse0 (and (or (let ((.cse22 (forall ((~var_1_6~0 Int)) (or (= (mod c_~var_1_22~0 ~var_1_6~0) 0) (< ~var_1_6~0 0))))) (and (or .cse6 .cse22 .cse5) (or .cse22 .cse3 .cse1))) .cse9) (or (let ((.cse23 (forall ((~var_1_6~0 Int)) (or (< ~var_1_6~0 .cse7) (= (mod c_~var_1_22~0 ~var_1_6~0) 0)))) (.cse24 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= |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))))) (and (or .cse5 (and (or .cse6 .cse23) .cse24)) (or .cse1 (and (or .cse17 .cse23) .cse24)))) .cse10))))))) is different from false [2023-11-06 21:55:34,971 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse2 (= (mod c_~var_1_22~0 c_~var_1_5~0) 0)) (.cse27 (+ c_~var_1_22~0 1))) (let ((.cse22 (<= .cse27 0)) (.cse5 (not .cse2)) (.cse10 (+ c_~var_1_25~0 c_~var_1_22~0)) (.cse19 (+ c_~var_1_25~0 c_~var_1_22~0 1)) (.cse26 (div c_~var_1_22~0 c_~var_1_5~0)) (.cse11 (+ c_~var_1_5~0 1))) (let ((.cse6 (< 0 .cse11)) (.cse3 (not (= .cse19 .cse26))) (.cse12 (< c_~var_1_5~0 0)) (.cse0 (< 0 .cse27)) (.cse9 (not (= .cse10 (+ .cse26 1)))) (.cse16 (and .cse22 .cse5)) (.cse4 (not (= .cse10 .cse26))) (.cse15 (< c_~var_1_22~0 0))) (and (or .cse0 (and (or (let ((.cse1 (forall ((~var_1_6~0 Int)) (or (= (mod c_~var_1_22~0 ~var_1_6~0) 0) (< ~var_1_6~0 0))))) (and (or .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5))) .cse6) (or (let ((.cse7 (forall ((~var_1_6~0 Int)) (or (< ~var_1_6~0 .cse11) (= (mod c_~var_1_22~0 ~var_1_6~0) 0)))) (.cse8 (forall ((~var_1_6~0 Int)) (or (not (= .cse10 (+ (div c_~var_1_22~0 ~var_1_6~0) 1))) (< c_~var_1_5~0 ~var_1_6~0) (= (mod c_~var_1_22~0 ~var_1_6~0) 0) (< ~var_1_6~0 0))))) (and (or .cse5 (and (or .cse4 .cse7) .cse8)) (or .cse2 (and (or .cse9 .cse7) .cse8)))) .cse12))) (or (let ((.cse14 (forall ((~var_1_6~0 Int)) (or (< ~var_1_6~0 .cse11) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< 0 (+ ~var_1_6~0 1))))) (.cse13 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse10)) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)))))) (and (or .cse0 (and .cse13 (or .cse14 .cse3)) .cse2) (or (and (or .cse4 .cse14) .cse13 (or .cse15 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse10)))))) .cse16))) .cse6) (or .cse0 (and (or .cse6 (let ((.cse18 (forall ((~var_1_6~0 Int)) (or (< ~var_1_6~0 .cse11) (< 0 (+ ~var_1_6~0 1)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0)))) (.cse17 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse19)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0))))) (and (or .cse2 (and .cse17 (or .cse18 .cse3))) (or (and (or .cse4 .cse18) .cse17) .cse5)))) (or (let ((.cse20 (forall ((~var_1_6~0 Int)) (or (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse19)) (< 0 (+ ~var_1_6~0 1)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0))))) (and (or .cse5 .cse20) (or .cse2 .cse20))) .cse12))) (or .cse6 (let ((.cse21 (forall ((~var_1_6~0 Int)) (or (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< ~var_1_6~0 0))))) (and (or .cse0 .cse21 .cse2 .cse3) (or .cse4 .cse16 (and .cse22 .cse21))))) (or (let ((.cse23 (forall ((~var_1_6~0 Int)) (or (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse10)) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< 0 (+ ~var_1_6~0 1)))))) (and (or .cse0 .cse23 .cse2) (or (and .cse23 (or (forall ((~var_1_6~0 Int)) (or (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse10)) (< 0 (+ ~var_1_6~0 1)))) .cse15)) .cse16))) .cse12) (or .cse12 (let ((.cse24 (forall ((~var_1_6~0 Int)) (or (< ~var_1_6~0 .cse11) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0))))) (.cse25 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse10)) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< ~var_1_6~0 0))))) (and (or .cse0 (and (or .cse9 .cse24) .cse25) .cse2) (or .cse16 (and (or (and .cse22 .cse24) .cse4) .cse25 (or .cse15 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse10)) (< ~var_1_6~0 0))))))))))))) is different from false [2023-11-06 21:56:11,802 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse7 (= (mod c_~var_1_22~0 c_~var_1_5~0) 0)) (.cse44 (+ c_~var_1_22~0 1)) (.cse42 (+ c_~var_1_5~0 1))) (let ((.cse26 (div c_~var_1_22~0 c_~var_1_5~0)) (.cse22 (forall ((~var_1_6~0 Int)) (or (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< ~var_1_6~0 0)))) (.cse13 (forall ((~var_1_6~0 Int)) (or (< ~var_1_6~0 .cse42) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0))))) (.cse43 (<= .cse44 0)) (.cse5 (not .cse7))) (let ((.cse30 (mod c_~var_1_28~0 4294967296)) (.cse4 (forall ((~var_1_6~0 Int)) (or (< ~var_1_6~0 .cse42) (< 0 (+ ~var_1_6~0 1)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0)))) (.cse18 (forall ((~var_1_6~0 Int)) (or (< ~var_1_6~0 .cse42) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< 0 (+ ~var_1_6~0 1))))) (.cse25 (forall ((~var_1_6~0 Int)) (or (= (mod c_~var_1_22~0 ~var_1_6~0) 0) (< ~var_1_6~0 0)))) (.cse24 (forall ((~var_1_6~0 Int)) (or (< ~var_1_6~0 .cse42) (= (mod c_~var_1_22~0 ~var_1_6~0) 0)))) (.cse17 (and .cse43 .cse5)) (.cse15 (< c_~var_1_22~0 0)) (.cse16 (and .cse43 .cse13)) (.cse0 (< 0 .cse44)) (.cse10 (< c_~var_1_5~0 0)) (.cse21 (and .cse43 .cse22)) (.cse1 (< 0 .cse42)) (.cse27 (+ .cse26 1)) (.cse29 (mod c_~var_1_8~0 256))) (and (or (let ((.cse28 (mod c_~var_1_28~0 65536))) (let ((.cse8 (+ .cse28 c_~var_1_22~0 1)) (.cse14 (+ .cse28 c_~var_1_22~0))) (let ((.cse12 (not (= .cse27 .cse14))) (.cse3 (not (= .cse26 .cse14))) (.cse6 (not (= .cse26 .cse8)))) (and (or .cse0 (and (or .cse1 (let ((.cse2 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse8)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0))))) (and (or (and .cse2 (or .cse3 .cse4)) .cse5) (or (and .cse2 (or .cse6 .cse4)) .cse7)))) (or (let ((.cse9 (forall ((~var_1_6~0 Int)) (or (< 0 (+ ~var_1_6~0 1)) (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse8)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0))))) (and (or .cse7 .cse9) (or .cse5 .cse9))) .cse10))) (or .cse10 (let ((.cse11 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse14)) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< ~var_1_6~0 0))))) (and (or .cse0 .cse7 (and .cse11 (or .cse12 .cse13))) (or (and .cse11 (or (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse14)) (< ~var_1_6~0 0))) .cse15) (or .cse16 .cse3)) .cse17)))) (or .cse1 (let ((.cse19 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse14)) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)))))) (and (or .cse0 .cse7 (and (or .cse6 .cse18) .cse19)) (or .cse17 (and (or .cse3 .cse18) .cse19))))) (or .cse10 (let ((.cse20 (forall ((~var_1_6~0 Int)) (or (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse14)) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< 0 (+ ~var_1_6~0 1)))))) (and (or (and .cse20 (or .cse15 (forall ((~var_1_6~0 Int)) (or (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse14)) (< 0 (+ ~var_1_6~0 1)))))) .cse17) (or .cse0 .cse20 .cse7)))) (or .cse1 (and (or .cse5 .cse3 .cse21) (or .cse22 .cse7 .cse6))) (or .cse0 (and (or .cse10 (let ((.cse23 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (+ (div c_~var_1_22~0 ~var_1_6~0) 1) .cse14)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0) (< ~var_1_6~0 0))))) (and (or (and .cse23 (or .cse12 .cse24)) .cse7) (or .cse5 (and (or .cse3 .cse24) .cse23))))) (or (and (or .cse25 .cse5 .cse3) (or .cse25 .cse7 .cse6)) .cse1))))))) (< .cse29 .cse30)) (or (< .cse30 (+ 1 .cse29)) (let ((.cse32 (+ c_~var_1_22~0 1 .cse29)) (.cse37 (+ c_~var_1_22~0 .cse29))) (let ((.cse40 (not (= .cse37 .cse27))) (.cse35 (not (= .cse26 .cse32))) (.cse33 (not (= .cse37 .cse26)))) (and (or .cse0 (and (or .cse10 (let ((.cse31 (forall ((~var_1_6~0 Int)) (or (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse32)) (< 0 (+ ~var_1_6~0 1)) (= (mod c_~var_1_22~0 ~var_1_6~0) 0))))) (and (or .cse31 .cse7) (or .cse31 .cse5)))) (or .cse1 (let ((.cse34 (forall ((~var_1_6~0 Int)) (or (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse32)) (< c_~var_1_5~0 ~var_1_6~0) (= (mod c_~var_1_22~0 ~var_1_6~0) 0))))) (and (or .cse5 (and (or .cse33 .cse4) .cse34)) (or (and .cse34 (or .cse35 .cse4)) .cse7)))))) (or .cse1 (let ((.cse36 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse37)) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)))))) (and (or .cse0 .cse7 (and (or .cse35 .cse18) .cse36)) (or (and .cse36 (or .cse33 .cse18)) .cse17)))) (or .cse10 (let ((.cse38 (forall ((~var_1_6~0 Int)) (or (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse37)) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< 0 (+ ~var_1_6~0 1)))))) (and (or (and (or (forall ((~var_1_6~0 Int)) (or (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse37)) (< 0 (+ ~var_1_6~0 1)))) .cse15) .cse38) .cse17) (or .cse0 .cse7 .cse38)))) (or .cse0 (and (or .cse1 (and (or .cse25 .cse5 .cse33) (or .cse25 .cse35 .cse7))) (or (let ((.cse39 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= .cse37 (+ (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))))) (and (or .cse7 (and .cse39 (or .cse24 .cse40))) (or .cse5 (and .cse39 (or .cse33 .cse24))))) .cse10))) (or (let ((.cse41 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse37)) (not (= (mod c_~var_1_22~0 ~var_1_6~0) 0)) (< ~var_1_6~0 0))))) (and (or .cse17 (and (or .cse15 (forall ((~var_1_6~0 Int)) (or (< c_~var_1_5~0 ~var_1_6~0) (not (= (div c_~var_1_22~0 ~var_1_6~0) .cse37)) (< ~var_1_6~0 0)))) (or .cse16 .cse33) .cse41)) (or .cse0 (and (or .cse13 .cse40) .cse41) .cse7))) .cse10) (or (and (or .cse22 .cse35 .cse7) (or .cse5 .cse33 .cse21)) .cse1))))))))) is different from false [2023-11-06 21:58:37,158 WARN L293 SmtUtils]: Spent 25.30s on a formula simplification that was a NOOP. DAG size: 237 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)