./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/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_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/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_1499489a-b50c-4741-a00a-079ad03a8b13/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_1499489a-b50c-4741-a00a-079ad03a8b13/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 a3cc8f4dc3627ca478516e9ddf056bcaabf24874a2c66b0dbc53cccb617610ef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:14:02,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:14:02,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:14:02,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:14:02,865 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:14:02,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:14:02,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:14:02,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:14:02,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:14:02,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:14:02,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:14:02,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:14:02,901 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:14:02,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:14:02,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:14:02,903 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:14:02,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:14:02,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:14:02,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:14:02,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:14:02,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:14:02,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:14:02,908 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:14:02,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:14:02,909 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:14:02,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:14:02,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:14:02,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:14:02,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:14:02,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:14:02,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:14:02,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:14:02,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:14:02,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:14:02,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:14:02,916 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:14:02,916 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:14:02,917 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:14:02,917 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:14:02,918 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_1499489a-b50c-4741-a00a-079ad03a8b13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3cc8f4dc3627ca478516e9ddf056bcaabf24874a2c66b0dbc53cccb617610ef [2023-11-12 02:14:03,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:14:03,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:14:03,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:14:03,232 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:14:03,233 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:14:03,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i [2023-11-12 02:14:06,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:14:07,000 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:14:07,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i [2023-11-12 02:14:07,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/data/1eca417a6/9af9595c19c449b7b84ef6ec21baec55/FLAGbb5907a6c [2023-11-12 02:14:07,036 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/data/1eca417a6/9af9595c19c449b7b84ef6ec21baec55 [2023-11-12 02:14:07,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:14:07,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:14:07,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:14:07,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:14:07,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:14:07,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:14:07" (1/1) ... [2023-11-12 02:14:07,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78256ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:07, skipping insertion in model container [2023-11-12 02:14:07,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:14:07" (1/1) ... [2023-11-12 02:14:07,118 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:14:07,298 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_1499489a-b50c-4741-a00a-079ad03a8b13/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i[916,929] [2023-11-12 02:14:07,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:14:07,449 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:14:07,469 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_1499489a-b50c-4741-a00a-079ad03a8b13/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-87.i[916,929] [2023-11-12 02:14:07,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:14:07,562 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:14:07,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:07 WrapperNode [2023-11-12 02:14:07,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:14:07,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:14:07,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:14:07,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:14:07,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:07" (1/1) ... [2023-11-12 02:14:07,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:07" (1/1) ... [2023-11-12 02:14:07,672 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 216 [2023-11-12 02:14:07,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:14:07,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:14:07,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:14:07,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:14:07,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:07" (1/1) ... [2023-11-12 02:14:07,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:07" (1/1) ... [2023-11-12 02:14:07,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:07" (1/1) ... [2023-11-12 02:14:07,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:07" (1/1) ... [2023-11-12 02:14:07,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:07" (1/1) ... [2023-11-12 02:14:07,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:07" (1/1) ... [2023-11-12 02:14:07,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:07" (1/1) ... [2023-11-12 02:14:07,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:07" (1/1) ... [2023-11-12 02:14:07,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:14:07,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:14:07,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:14:07,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:14:07,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:07" (1/1) ... [2023-11-12 02:14:07,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:14:07,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:14:07,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:14:07,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:14:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:14:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:14:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:14:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:14:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:14:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:14:08,043 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:14:08,046 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:14:08,751 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:14:08,760 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:14:08,761 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:14:08,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:08 BoogieIcfgContainer [2023-11-12 02:14:08,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:14:08,767 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:14:08,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:14:08,771 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:14:08,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:14:07" (1/3) ... [2023-11-12 02:14:08,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d049a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:14:08, skipping insertion in model container [2023-11-12 02:14:08,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:07" (2/3) ... [2023-11-12 02:14:08,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d049a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:14:08, skipping insertion in model container [2023-11-12 02:14:08,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:08" (3/3) ... [2023-11-12 02:14:08,775 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-87.i [2023-11-12 02:14:08,801 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:14:08,801 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:14:08,876 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:14:08,884 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;@f96e33a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:14:08,884 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:14:08,890 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 02:14:08,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-12 02:14:08,913 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:08,914 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 02:14:08,915 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:14:08,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:08,922 INFO L85 PathProgramCache]: Analyzing trace with hash -938730253, now seen corresponding path program 1 times [2023-11-12 02:14:08,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:08,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409210034] [2023-11-12 02:14:08,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:08,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:09,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:09,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409210034] [2023-11-12 02:14:09,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:14:09,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657506678] [2023-11-12 02:14:09,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:09,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:14:09,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:14:09,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:14:09,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:14:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:09,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:14:09,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:14:09,890 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 02:14:09,891 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:14:09,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657506678] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:09,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:09,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:14:09,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075933494] [2023-11-12 02:14:09,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:09,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:14:09,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:09,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:14:09,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:14:09,960 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 02:14:10,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:10,044 INFO L93 Difference]: Finished difference Result 177 states and 314 transitions. [2023-11-12 02:14:10,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:14:10,046 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 02:14:10,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:14:10,055 INFO L225 Difference]: With dead ends: 177 [2023-11-12 02:14:10,055 INFO L226 Difference]: Without dead ends: 88 [2023-11-12 02:14:10,059 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 02:14:10,063 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 02:14:10,064 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 02:14:10,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-12 02:14:10,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-12 02:14:10,112 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 02:14:10,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 136 transitions. [2023-11-12 02:14:10,116 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 136 transitions. Word has length 213 [2023-11-12 02:14:10,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:14:10,116 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 136 transitions. [2023-11-12 02:14:10,117 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 02:14:10,117 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 136 transitions. [2023-11-12 02:14:10,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-12 02:14:10,122 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:10,123 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 02:14:10,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:14:10,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:14:10,330 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:14:10,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:10,331 INFO L85 PathProgramCache]: Analyzing trace with hash 848476715, now seen corresponding path program 1 times [2023-11-12 02:14:10,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:10,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205253203] [2023-11-12 02:14:10,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:10,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:10,419 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:14:10,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1896774962] [2023-11-12 02:14:10,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:10,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:14:10,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:14:10,421 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:14:10,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:14:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:10,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:14:10,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:14:10,951 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 02:14:10,951 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:14:11,264 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 02:14:11,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:11,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205253203] [2023-11-12 02:14:11,265 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:14:11,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896774962] [2023-11-12 02:14:11,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896774962] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:14:11,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:14:11,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-12 02:14:11,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922819233] [2023-11-12 02:14:11,266 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:14:11,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:14:11,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:11,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:14:11,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:14:11,270 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 02:14:11,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:11,609 INFO L93 Difference]: Finished difference Result 181 states and 276 transitions. [2023-11-12 02:14:11,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:14:11,611 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 02:14:11,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:14:11,615 INFO L225 Difference]: With dead ends: 181 [2023-11-12 02:14:11,615 INFO L226 Difference]: Without dead ends: 96 [2023-11-12 02:14:11,617 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 02:14:11,618 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 67 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 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 02:14:11,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 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 02:14:11,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-12 02:14:11,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2023-11-12 02:14:11,638 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 02:14:11,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 138 transitions. [2023-11-12 02:14:11,640 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 138 transitions. Word has length 213 [2023-11-12 02:14:11,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:14:11,641 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 138 transitions. [2023-11-12 02:14:11,642 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 02:14:11,642 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 138 transitions. [2023-11-12 02:14:11,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-12 02:14:11,646 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:11,646 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 02:14:11,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-12 02:14:11,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:14:11,854 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:14:11,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:11,855 INFO L85 PathProgramCache]: Analyzing trace with hash -172591639, now seen corresponding path program 1 times [2023-11-12 02:14:11,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:11,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288148283] [2023-11-12 02:14:11,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:11,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:11,974 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:14:11,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1115126221] [2023-11-12 02:14:11,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:11,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:14:11,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:14:11,984 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:14:12,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:14:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:12,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-12 02:14:12,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:14:13,157 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 02:14:13,158 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:14:13,861 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 02:14:13,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:13,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288148283] [2023-11-12 02:14:13,862 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:14:13,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115126221] [2023-11-12 02:14:13,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115126221] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:14:13,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:14:13,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 20 [2023-11-12 02:14:13,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411599657] [2023-11-12 02:14:13,865 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:14:13,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-12 02:14:13,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:13,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-12 02:14:13,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2023-11-12 02:14:13,875 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 02:14:14,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:14,891 INFO L93 Difference]: Finished difference Result 197 states and 284 transitions. [2023-11-12 02:14:14,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-12 02:14:14,892 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 02:14:14,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:14:14,895 INFO L225 Difference]: With dead ends: 197 [2023-11-12 02:14:14,896 INFO L226 Difference]: Without dead ends: 108 [2023-11-12 02:14:14,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=332, Invalid=858, Unknown=0, NotChecked=0, Total=1190 [2023-11-12 02:14:14,899 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 02:14:14,899 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 02:14:14,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-12 02:14:14,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 102. [2023-11-12 02:14:14,922 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 02:14:14,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 140 transitions. [2023-11-12 02:14:14,924 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 140 transitions. Word has length 213 [2023-11-12 02:14:14,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:14:14,925 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 140 transitions. [2023-11-12 02:14:14,926 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 02:14:14,926 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 140 transitions. [2023-11-12 02:14:14,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-12 02:14:14,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:14,930 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 02:14:14,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:14:15,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-12 02:14:15,141 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:14:15,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:15,142 INFO L85 PathProgramCache]: Analyzing trace with hash 2128230951, now seen corresponding path program 1 times [2023-11-12 02:14:15,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:15,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025630118] [2023-11-12 02:14:15,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:15,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:15,229 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:14:15,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1326008779] [2023-11-12 02:14:15,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:15,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:14:15,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:14:15,234 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:14:15,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1499489a-b50c-4741-a00a-079ad03a8b13/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:14:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:15,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-12 02:14:15,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:14:25,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1718 proven. 273 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-11-12 02:14:25,719 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:14:29,847 WARN L854 $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 [2023-11-12 02:14:33,980 WARN L854 $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