./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-18.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_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/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_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/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_0f65fa07-eab3-425f-8191-c5c57ec73df2/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 8167bb57c72da66729eaf4d0bfb99f298c96636d95817c5a55fbaebfee04d766 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:18:19,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:18:19,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:18:19,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:18:19,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:18:19,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:18:19,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:18:19,152 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:18:19,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:18:19,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:18:19,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:18:19,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:18:19,155 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:18:19,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:18:19,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:18:19,157 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:18:19,158 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:18:19,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:18:19,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:18:19,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:18:19,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:18:19,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:18:19,162 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:18:19,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:18:19,163 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:18:19,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:18:19,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:18:19,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:18:19,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:18:19,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:18:19,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:18:19,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:18:19,168 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:18:19,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:18:19,169 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:18:19,169 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:18:19,170 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:18:19,170 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:18:19,170 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:18:19,171 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_0f65fa07-eab3-425f-8191-c5c57ec73df2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8167bb57c72da66729eaf4d0bfb99f298c96636d95817c5a55fbaebfee04d766 [2023-11-06 22:18:19,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:18:19,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:18:19,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:18:19,484 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:18:19,484 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:18:19,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-18.i [2023-11-06 22:18:22,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:18:23,045 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:18:23,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-18.i [2023-11-06 22:18:23,068 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/data/b9e543feb/756be2bad7ca4b2f9c6ac68d6e4c6116/FLAGc041af64d [2023-11-06 22:18:23,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/data/b9e543feb/756be2bad7ca4b2f9c6ac68d6e4c6116 [2023-11-06 22:18:23,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:18:23,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:18:23,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:18:23,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:18:23,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:18:23,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:18:23" (1/1) ... [2023-11-06 22:18:23,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29989fad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:23, skipping insertion in model container [2023-11-06 22:18:23,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:18:23" (1/1) ... [2023-11-06 22:18:23,387 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:18:23,546 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_0f65fa07-eab3-425f-8191-c5c57ec73df2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-18.i[916,929] [2023-11-06 22:18:23,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:18:23,615 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:18:23,626 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_0f65fa07-eab3-425f-8191-c5c57ec73df2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-18.i[916,929] [2023-11-06 22:18:23,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:18:23,679 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:18:23,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:23 WrapperNode [2023-11-06 22:18:23,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:18:23,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:18:23,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:18:23,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:18:23,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:23" (1/1) ... [2023-11-06 22:18:23,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:23" (1/1) ... [2023-11-06 22:18:23,764 INFO L138 Inliner]: procedures = 29, calls = 148, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 449 [2023-11-06 22:18:23,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:18:23,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:18:23,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:18:23,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:18:23,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:23" (1/1) ... [2023-11-06 22:18:23,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:23" (1/1) ... [2023-11-06 22:18:23,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:23" (1/1) ... [2023-11-06 22:18:23,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:23" (1/1) ... [2023-11-06 22:18:23,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:23" (1/1) ... [2023-11-06 22:18:23,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:23" (1/1) ... [2023-11-06 22:18:23,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:23" (1/1) ... [2023-11-06 22:18:23,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:23" (1/1) ... [2023-11-06 22:18:23,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:18:23,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:18:23,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:18:23,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:18:23,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:23" (1/1) ... [2023-11-06 22:18:23,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:18:23,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:23,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:18:23,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:18:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:18:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-06 22:18:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:18:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-06 22:18:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:18:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-06 22:18:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:18:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:18:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:18:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:18:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:18:24,129 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:18:24,132 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:18:24,892 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:18:24,909 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:18:24,910 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:18:24,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:18:24 BoogieIcfgContainer [2023-11-06 22:18:24,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:18:24,916 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:18:24,916 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:18:24,921 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:18:24,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:18:23" (1/3) ... [2023-11-06 22:18:24,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb0841c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:18:24, skipping insertion in model container [2023-11-06 22:18:24,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:23" (2/3) ... [2023-11-06 22:18:24,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb0841c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:18:24, skipping insertion in model container [2023-11-06 22:18:24,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:18:24" (3/3) ... [2023-11-06 22:18:24,927 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-18.i [2023-11-06 22:18:24,953 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:18:24,954 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:18:25,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:18:25,020 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;@46a6de72, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:18:25,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:18:25,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 89 states have (on average 1.4831460674157304) internal successors, (132), 90 states have internal predecessors, (132), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:18:25,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-06 22:18:25,041 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:25,042 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:18:25,043 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:25,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:25,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1578952680, now seen corresponding path program 1 times [2023-11-06 22:18:25,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:25,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475930349] [2023-11-06 22:18:25,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:25,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:25,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:25,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475930349] [2023-11-06 22:18:25,343 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:18:25,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498798129] [2023-11-06 22:18:25,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:25,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:25,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:25,351 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:25,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:18:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:25,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:18:25,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:18:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-06 22:18:25,804 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:18:25,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498798129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:18:25,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:18:25,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:18:25,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951945213] [2023-11-06 22:18:25,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:18:25,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:18:25,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:25,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:18:25,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:18:25,869 INFO L87 Difference]: Start difference. First operand has 104 states, 89 states have (on average 1.4831460674157304) internal successors, (132), 90 states have internal predecessors, (132), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 22:18:25,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:25,905 INFO L93 Difference]: Finished difference Result 201 states and 318 transitions. [2023-11-06 22:18:25,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:18:25,907 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 107 [2023-11-06 22:18:25,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:25,916 INFO L225 Difference]: With dead ends: 201 [2023-11-06 22:18:25,916 INFO L226 Difference]: Without dead ends: 100 [2023-11-06 22:18:25,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 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 22:18:25,924 INFO L413 NwaCegarLoop]: 149 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, 149 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 22:18:25,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:18:25,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-06 22:18:25,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2023-11-06 22:18:25,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 86 states have (on average 1.4534883720930232) internal successors, (125), 86 states have internal predecessors, (125), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:18:25,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 149 transitions. [2023-11-06 22:18:25,981 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 149 transitions. Word has length 107 [2023-11-06 22:18:25,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:25,982 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 149 transitions. [2023-11-06 22:18:25,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 22:18:25,983 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 149 transitions. [2023-11-06 22:18:25,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-06 22:18:25,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:25,987 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:18:26,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:18:26,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:18:26,195 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:26,196 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:26,196 INFO L85 PathProgramCache]: Analyzing trace with hash 239181460, now seen corresponding path program 1 times [2023-11-06 22:18:26,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:26,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952277467] [2023-11-06 22:18:26,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:26,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:26,340 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:18:26,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1435029322] [2023-11-06 22:18:26,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:26,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:26,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:26,346 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:26,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:18:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:26,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:18:26,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:18:26,718 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-06 22:18:26,763 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:18:26,763 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:18:26,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:26,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952277467] [2023-11-06 22:18:26,766 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:18:26,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435029322] [2023-11-06 22:18:26,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435029322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:18:26,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:18:26,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:18:26,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178552089] [2023-11-06 22:18:26,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:18:26,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:18:26,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:26,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:18:26,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:18:26,773 INFO L87 Difference]: Start difference. First operand 100 states and 149 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:18:26,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:26,880 INFO L93 Difference]: Finished difference Result 199 states and 298 transitions. [2023-11-06 22:18:26,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:18:26,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2023-11-06 22:18:26,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:26,892 INFO L225 Difference]: With dead ends: 199 [2023-11-06 22:18:26,894 INFO L226 Difference]: Without dead ends: 102 [2023-11-06 22:18:26,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:18:26,898 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 14 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:26,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 417 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:18:26,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-06 22:18:26,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2023-11-06 22:18:26,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 87 states have internal predecessors, (126), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:18:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 150 transitions. [2023-11-06 22:18:26,935 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 150 transitions. Word has length 107 [2023-11-06 22:18:26,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:26,940 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 150 transitions. [2023-11-06 22:18:26,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:18:26,941 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2023-11-06 22:18:26,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-06 22:18:26,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:26,949 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:18:26,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:18:27,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:27,158 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:27,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:27,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1349166442, now seen corresponding path program 1 times [2023-11-06 22:18:27,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:27,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826020522] [2023-11-06 22:18:27,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:27,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:27,229 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:18:27,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1608848415] [2023-11-06 22:18:27,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:27,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:27,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:27,245 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:27,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:18:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:27,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:18:27,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:18:27,530 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-06 22:18:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:18:27,562 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:18:27,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:27,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826020522] [2023-11-06 22:18:27,562 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:18:27,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608848415] [2023-11-06 22:18:27,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608848415] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:18:27,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:18:27,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:18:27,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038938891] [2023-11-06 22:18:27,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:18:27,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:18:27,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:27,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:18:27,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:18:27,569 INFO L87 Difference]: Start difference. First operand 101 states and 150 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:18:27,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:27,634 INFO L93 Difference]: Finished difference Result 225 states and 337 transitions. [2023-11-06 22:18:27,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:18:27,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2023-11-06 22:18:27,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:27,643 INFO L225 Difference]: With dead ends: 225 [2023-11-06 22:18:27,644 INFO L226 Difference]: Without dead ends: 127 [2023-11-06 22:18:27,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:18:27,650 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 88 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:27,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 419 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:18:27,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-06 22:18:27,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 102. [2023-11-06 22:18:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 88 states have internal predecessors, (127), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:18:27,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 151 transitions. [2023-11-06 22:18:27,676 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 151 transitions. Word has length 107 [2023-11-06 22:18:27,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:27,679 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 151 transitions. [2023-11-06 22:18:27,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:18:27,680 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 151 transitions. [2023-11-06 22:18:27,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-06 22:18:27,685 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:27,686 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:18:27,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:18:27,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:27,893 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:27,893 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:27,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1091001004, now seen corresponding path program 1 times [2023-11-06 22:18:27,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:27,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123100851] [2023-11-06 22:18:27,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:27,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:27,976 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:18:27,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1384509087] [2023-11-06 22:18:27,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:27,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:27,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:27,978 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:27,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:18:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:28,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-06 22:18:28,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:18:28,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:28,515 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:18:28,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:28,990 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:18:29,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:29,386 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:18:29,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:29,672 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:18:29,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:29,908 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:18:30,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:30,136 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:18:30,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:30,309 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:18:30,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:30,520 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:18:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-06 22:18:30,568 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:18:30,621 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_296 (Array Int Int))) (< 0 (mod (select (select (store |c_#memory_int| c_~var_1_14_Pointer~0.base v_ArrVal_296) c_~var_1_11_Pointer~0.base) c_~var_1_11_Pointer~0.offset) 256))) is different from false [2023-11-06 22:18:30,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:30,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123100851] [2023-11-06 22:18:30,698 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:18:30,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384509087] [2023-11-06 22:18:30,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384509087] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:18:30,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:18:30,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2023-11-06 22:18:30,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180365186] [2023-11-06 22:18:30,699 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:18:30,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:18:30,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:30,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:18:30,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=112, Unknown=1, NotChecked=24, Total=210 [2023-11-06 22:18:30,702 INFO L87 Difference]: Start difference. First operand 102 states and 151 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 7 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2023-11-06 22:18:31,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:31,261 INFO L93 Difference]: Finished difference Result 300 states and 447 transitions. [2023-11-06 22:18:31,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:18:31,262 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 7 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 107 [2023-11-06 22:18:31,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:31,266 INFO L225 Difference]: With dead ends: 300 [2023-11-06 22:18:31,266 INFO L226 Difference]: Without dead ends: 201 [2023-11-06 22:18:31,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=126, Unknown=1, NotChecked=26, Total=240 [2023-11-06 22:18:31,271 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 240 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:31,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 574 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:18:31,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-11-06 22:18:31,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 193. [2023-11-06 22:18:31,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 166 states have (on average 1.4457831325301205) internal successors, (240), 166 states have internal predecessors, (240), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:18:31,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 288 transitions. [2023-11-06 22:18:31,311 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 288 transitions. Word has length 107 [2023-11-06 22:18:31,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:31,311 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 288 transitions. [2023-11-06 22:18:31,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 7 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2023-11-06 22:18:31,312 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 288 transitions. [2023-11-06 22:18:31,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-06 22:18:31,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:31,314 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:18:31,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-06 22:18:31,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:31,520 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:31,520 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:31,521 INFO L85 PathProgramCache]: Analyzing trace with hash -918360532, now seen corresponding path program 1 times [2023-11-06 22:18:31,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:31,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072677923] [2023-11-06 22:18:31,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:31,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:31,563 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:18:31,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1515580155] [2023-11-06 22:18:31,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:31,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:31,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:31,565 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:31,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:18:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:31,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 22:18:31,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:18:31,850 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:18:31,850 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:18:31,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:31,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072677923] [2023-11-06 22:18:31,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:18:31,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515580155] [2023-11-06 22:18:31,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515580155] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:18:31,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:18:31,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:18:31,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915935177] [2023-11-06 22:18:31,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:18:31,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:18:31,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:31,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:18:31,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:18:31,854 INFO L87 Difference]: Start difference. First operand 193 states and 288 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:18:32,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:32,049 INFO L93 Difference]: Finished difference Result 390 states and 584 transitions. [2023-11-06 22:18:32,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:18:32,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2023-11-06 22:18:32,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:32,053 INFO L225 Difference]: With dead ends: 390 [2023-11-06 22:18:32,053 INFO L226 Difference]: Without dead ends: 200 [2023-11-06 22:18:32,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:18:32,055 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 9 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:32,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 328 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:18:32,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2023-11-06 22:18:32,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 198. [2023-11-06 22:18:32,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 171 states have (on average 1.432748538011696) internal successors, (245), 171 states have internal predecessors, (245), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:18:32,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 293 transitions. [2023-11-06 22:18:32,097 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 293 transitions. Word has length 108 [2023-11-06 22:18:32,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:32,099 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 293 transitions. [2023-11-06 22:18:32,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:18:32,099 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 293 transitions. [2023-11-06 22:18:32,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-06 22:18:32,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:32,102 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:18:32,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:18:32,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:32,309 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:32,309 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:32,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1382462058, now seen corresponding path program 1 times [2023-11-06 22:18:32,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:32,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648452088] [2023-11-06 22:18:32,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:32,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:32,365 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:18:32,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [887104152] [2023-11-06 22:18:32,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:32,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:32,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:32,367 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:32,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:18:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:32,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:18:32,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:18:33,165 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-06 22:18:33,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:33,243 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2023-11-06 22:18:33,273 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2023-11-06 22:18:33,289 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:18:33,289 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:18:33,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:33,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648452088] [2023-11-06 22:18:33,290 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:18:33,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887104152] [2023-11-06 22:18:33,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887104152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:18:33,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:18:33,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:18:33,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761543438] [2023-11-06 22:18:33,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:18:33,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:18:33,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:33,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:18:33,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:18:33,294 INFO L87 Difference]: Start difference. First operand 198 states and 293 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:18:33,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:33,968 INFO L93 Difference]: Finished difference Result 461 states and 684 transitions. [2023-11-06 22:18:33,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:18:33,969 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2023-11-06 22:18:33,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:33,974 INFO L225 Difference]: With dead ends: 461 [2023-11-06 22:18:33,974 INFO L226 Difference]: Without dead ends: 266 [2023-11-06 22:18:33,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:18:33,976 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 325 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:33,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 430 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:18:33,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2023-11-06 22:18:34,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 204. [2023-11-06 22:18:34,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 177 states have (on average 1.4350282485875707) internal successors, (254), 177 states have internal predecessors, (254), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:18:34,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 302 transitions. [2023-11-06 22:18:34,009 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 302 transitions. Word has length 108 [2023-11-06 22:18:34,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:34,009 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 302 transitions. [2023-11-06 22:18:34,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:18:34,010 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 302 transitions. [2023-11-06 22:18:34,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-06 22:18:34,012 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:34,012 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:18:34,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:18:34,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:34,225 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:34,225 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:34,225 INFO L85 PathProgramCache]: Analyzing trace with hash -157052959, now seen corresponding path program 1 times [2023-11-06 22:18:34,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:34,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331015462] [2023-11-06 22:18:34,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:34,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:34,264 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:18:34,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [924637894] [2023-11-06 22:18:34,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:34,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:34,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:34,266 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:34,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:18:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:34,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-06 22:18:34,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:18:34,706 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:18:35,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:35,400 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-11-06 22:18:35,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:35,791 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-11-06 22:18:36,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:36,081 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-11-06 22:18:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:36,294 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-11-06 22:18:36,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:36,515 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-11-06 22:18:36,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:36,724 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-11-06 22:18:36,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:36,970 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-11-06 22:18:37,053 INFO L322 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-11-06 22:18:37,054 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2023-11-06 22:18:37,092 INFO L322 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-06 22:18:37,093 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 13 [2023-11-06 22:18:37,176 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-06 22:18:37,176 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:18:37,345 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_530 (Array Int Int))) (< 255 (mod (select (select (store |c_#memory_int| c_~var_1_11_Pointer~0.base v_ArrVal_530) c_~var_1_7_Pointer~0.base) c_~var_1_7_Pointer~0.offset) 4294967296))) is different from false [2023-11-06 22:18:37,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:37,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331015462] [2023-11-06 22:18:37,366 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:18:37,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924637894] [2023-11-06 22:18:37,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924637894] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:18:37,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:18:37,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2023-11-06 22:18:37,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648607477] [2023-11-06 22:18:37,367 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:18:37,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-06 22:18:37,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:37,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-06 22:18:37,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=496, Unknown=1, NotChecked=46, Total=650 [2023-11-06 22:18:37,369 INFO L87 Difference]: Start difference. First operand 204 states and 302 transitions. Second operand has 20 states, 19 states have (on average 3.789473684210526) internal successors, (72), 17 states have internal predecessors, (72), 8 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2023-11-06 22:18:41,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 22:18:41,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:41,367 INFO L93 Difference]: Finished difference Result 564 states and 826 transitions. [2023-11-06 22:18:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:18:41,368 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.789473684210526) internal successors, (72), 17 states have internal predecessors, (72), 8 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 108 [2023-11-06 22:18:41,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:41,371 INFO L225 Difference]: With dead ends: 564 [2023-11-06 22:18:41,372 INFO L226 Difference]: Without dead ends: 363 [2023-11-06 22:18:41,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=259, Invalid=934, Unknown=1, NotChecked=66, Total=1260 [2023-11-06 22:18:41,374 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 1039 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 106 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:41,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 781 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 737 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2023-11-06 22:18:41,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2023-11-06 22:18:41,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 224. [2023-11-06 22:18:41,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 195 states have (on average 1.4102564102564104) internal successors, (275), 195 states have internal predecessors, (275), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:18:41,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 323 transitions. [2023-11-06 22:18:41,402 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 323 transitions. Word has length 108 [2023-11-06 22:18:41,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:41,403 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 323 transitions. [2023-11-06 22:18:41,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.789473684210526) internal successors, (72), 17 states have internal predecessors, (72), 8 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2023-11-06 22:18:41,403 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 323 transitions. [2023-11-06 22:18:41,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-06 22:18:41,405 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:41,405 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:18:41,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:18:41,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:41,612 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:41,613 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:41,613 INFO L85 PathProgramCache]: Analyzing trace with hash -992015304, now seen corresponding path program 1 times [2023-11-06 22:18:41,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:41,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049008457] [2023-11-06 22:18:41,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:41,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:41,660 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:18:41,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1117738731] [2023-11-06 22:18:41,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:41,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:41,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:41,662 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:41,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:18:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:41,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-06 22:18:41,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:18:42,045 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:18:42,046 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2023-11-06 22:18:42,071 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:18:42,071 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:18:42,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:42,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049008457] [2023-11-06 22:18:42,072 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:18:42,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117738731] [2023-11-06 22:18:42,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117738731] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:18:42,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:18:42,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:18:42,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690194876] [2023-11-06 22:18:42,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:18:42,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:18:42,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:42,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:18:42,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:18:42,075 INFO L87 Difference]: Start difference. First operand 224 states and 323 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:18:45,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:18:47,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:18:47,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:47,607 INFO L93 Difference]: Finished difference Result 513 states and 751 transitions. [2023-11-06 22:18:47,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:18:47,608 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2023-11-06 22:18:47,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:47,611 INFO L225 Difference]: With dead ends: 513 [2023-11-06 22:18:47,611 INFO L226 Difference]: Without dead ends: 394 [2023-11-06 22:18:47,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:18:47,615 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 227 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:47,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 1324 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 706 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2023-11-06 22:18:47,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2023-11-06 22:18:47,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 229. [2023-11-06 22:18:47,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 200 states have (on average 1.41) internal successors, (282), 200 states have internal predecessors, (282), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:18:47,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 330 transitions. [2023-11-06 22:18:47,649 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 330 transitions. Word has length 109 [2023-11-06 22:18:47,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:47,650 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 330 transitions. [2023-11-06 22:18:47,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:18:47,650 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 330 transitions. [2023-11-06 22:18:47,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-06 22:18:47,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:47,652 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:18:47,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:18:47,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:47,860 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:47,860 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:47,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1526227176, now seen corresponding path program 1 times [2023-11-06 22:18:47,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:47,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181362103] [2023-11-06 22:18:47,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:47,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:47,890 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:18:47,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [731345662] [2023-11-06 22:18:47,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:47,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:47,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:47,892 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:47,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:18:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:48,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 22:18:48,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:18:48,170 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:18:48,171 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:18:48,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:48,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181362103] [2023-11-06 22:18:48,171 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:18:48,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731345662] [2023-11-06 22:18:48,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731345662] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:18:48,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:18:48,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:18:48,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140749413] [2023-11-06 22:18:48,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:18:48,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:18:48,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:48,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:18:48,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:18:48,174 INFO L87 Difference]: Start difference. First operand 229 states and 330 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:18:48,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:48,521 INFO L93 Difference]: Finished difference Result 511 states and 743 transitions. [2023-11-06 22:18:48,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:18:48,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2023-11-06 22:18:48,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:48,525 INFO L225 Difference]: With dead ends: 511 [2023-11-06 22:18:48,525 INFO L226 Difference]: Without dead ends: 285 [2023-11-06 22:18:48,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:18:48,526 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 124 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:48,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 245 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:18:48,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2023-11-06 22:18:48,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 235. [2023-11-06 22:18:48,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 206 states have (on average 1.3980582524271845) internal successors, (288), 206 states have internal predecessors, (288), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:18:48,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 336 transitions. [2023-11-06 22:18:48,553 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 336 transitions. Word has length 110 [2023-11-06 22:18:48,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:48,553 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 336 transitions. [2023-11-06 22:18:48,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:18:48,554 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 336 transitions. [2023-11-06 22:18:48,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-06 22:18:48,555 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:48,556 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:18:48,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:18:48,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:48,762 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:48,763 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:48,763 INFO L85 PathProgramCache]: Analyzing trace with hash -2113033190, now seen corresponding path program 1 times [2023-11-06 22:18:48,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:48,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133336450] [2023-11-06 22:18:48,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:48,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:48,802 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:18:48,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [152784699] [2023-11-06 22:18:48,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:48,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:48,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:48,804 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:48,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:18:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:49,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:18:49,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:18:49,103 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:18:49,103 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2023-11-06 22:18:49,130 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:18:49,131 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:18:49,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:49,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133336450] [2023-11-06 22:18:49,131 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:18:49,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152784699] [2023-11-06 22:18:49,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152784699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:18:49,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:18:49,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:18:49,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923565762] [2023-11-06 22:18:49,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:18:49,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:18:49,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:49,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:18:49,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:18:49,134 INFO L87 Difference]: Start difference. First operand 235 states and 336 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:18:51,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:18:51,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:51,422 INFO L93 Difference]: Finished difference Result 492 states and 707 transitions. [2023-11-06 22:18:51,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:18:51,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2023-11-06 22:18:51,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:51,426 INFO L225 Difference]: With dead ends: 492 [2023-11-06 22:18:51,426 INFO L226 Difference]: Without dead ends: 260 [2023-11-06 22:18:51,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:18:51,428 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 124 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:51,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 448 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-06 22:18:51,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2023-11-06 22:18:51,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 235. [2023-11-06 22:18:51,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 206 states have (on average 1.3883495145631068) internal successors, (286), 206 states have internal predecessors, (286), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:18:51,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 334 transitions. [2023-11-06 22:18:51,458 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 334 transitions. Word has length 110 [2023-11-06 22:18:51,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:51,458 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 334 transitions. [2023-11-06 22:18:51,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:18:51,459 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 334 transitions. [2023-11-06 22:18:51,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-06 22:18:51,460 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:51,461 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:18:51,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:18:51,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:18:51,668 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:51,669 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:51,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1470958395, now seen corresponding path program 1 times [2023-11-06 22:18:51,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:51,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127210474] [2023-11-06 22:18:51,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:51,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:51,699 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:18:51,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1464070699] [2023-11-06 22:18:51,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:51,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:51,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:51,701 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:51,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:18:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:51,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-06 22:18:51,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:18:52,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:52,188 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:18:52,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:52,634 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:18:52,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:52,996 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:18:53,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:53,245 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:18:53,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:53,465 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:18:53,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:53,717 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:18:53,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:53,912 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:18:54,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:54,121 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:18:54,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:54,288 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-11-06 22:18:54,318 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-06 22:18:54,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:18:54,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:54,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127210474] [2023-11-06 22:18:54,937 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:18:54,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464070699] [2023-11-06 22:18:54,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464070699] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:18:54,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:18:54,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2023-11-06 22:18:54,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339608361] [2023-11-06 22:18:54,938 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:18:54,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-06 22:18:54,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:54,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-06 22:18:54,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:18:54,940 INFO L87 Difference]: Start difference. First operand 235 states and 334 transitions. Second operand has 16 states, 16 states have (on average 4.4375) internal successors, (71), 15 states have internal predecessors, (71), 7 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2023-11-06 22:18:55,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:55,958 INFO L93 Difference]: Finished difference Result 686 states and 978 transitions. [2023-11-06 22:18:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:18:55,959 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.4375) internal successors, (71), 15 states have internal predecessors, (71), 7 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 110 [2023-11-06 22:18:55,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:55,963 INFO L225 Difference]: With dead ends: 686 [2023-11-06 22:18:55,963 INFO L226 Difference]: Without dead ends: 454 [2023-11-06 22:18:55,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=248, Invalid=564, Unknown=0, NotChecked=0, Total=812 [2023-11-06 22:18:55,966 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 329 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:55,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 857 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:18:55,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2023-11-06 22:18:56,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 446. [2023-11-06 22:18:56,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 389 states have (on average 1.3804627249357326) internal successors, (537), 389 states have internal predecessors, (537), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:18:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 633 transitions. [2023-11-06 22:18:56,029 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 633 transitions. Word has length 110 [2023-11-06 22:18:56,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:56,029 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 633 transitions. [2023-11-06 22:18:56,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.4375) internal successors, (71), 15 states have internal predecessors, (71), 7 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2023-11-06 22:18:56,030 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 633 transitions. [2023-11-06 22:18:56,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-06 22:18:56,031 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:56,032 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:18:56,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-06 22:18:56,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:18:56,238 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:56,239 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:56,239 INFO L85 PathProgramCache]: Analyzing trace with hash 936708628, now seen corresponding path program 1 times [2023-11-06 22:18:56,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:56,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166636675] [2023-11-06 22:18:56,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:56,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:56,296 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:18:56,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1529870501] [2023-11-06 22:18:56,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:56,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:56,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:56,308 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:56,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:18:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:56,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-06 22:18:56,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:18:56,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:56,945 INFO L322 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-06 22:18:56,946 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 31 [2023-11-06 22:18:57,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:18:57,286 INFO L322 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2023-11-06 22:18:57,287 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2023-11-06 22:18:57,309 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:18:57,309 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:18:57,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:57,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166636675] [2023-11-06 22:18:57,310 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:18:57,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529870501] [2023-11-06 22:18:57,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529870501] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:18:57,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:18:57,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:18:57,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465521053] [2023-11-06 22:18:57,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:18:57,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:18:57,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:57,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:18:57,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:18:57,313 INFO L87 Difference]: Start difference. First operand 446 states and 633 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:19:00,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:19:02,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:19:04,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:19:06,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:19:06,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:06,838 INFO L93 Difference]: Finished difference Result 962 states and 1365 transitions. [2023-11-06 22:19:06,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:19:06,839 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2023-11-06 22:19:06,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:06,844 INFO L225 Difference]: With dead ends: 962 [2023-11-06 22:19:06,844 INFO L226 Difference]: Without dead ends: 835 [2023-11-06 22:19:06,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:19:06,846 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 386 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:06,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 990 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 701 Invalid, 4 Unknown, 0 Unchecked, 9.1s Time] [2023-11-06 22:19:06,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2023-11-06 22:19:06,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 476. [2023-11-06 22:19:06,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 419 states have (on average 1.3866348448687351) internal successors, (581), 419 states have internal predecessors, (581), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:19:06,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 677 transitions. [2023-11-06 22:19:06,908 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 677 transitions. Word has length 111 [2023-11-06 22:19:06,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:06,909 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 677 transitions. [2023-11-06 22:19:06,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:19:06,909 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 677 transitions. [2023-11-06 22:19:06,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-06 22:19:06,911 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:06,911 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:06,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:07,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:19:07,120 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:07,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:07,120 INFO L85 PathProgramCache]: Analyzing trace with hash -634734252, now seen corresponding path program 1 times [2023-11-06 22:19:07,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:07,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144334356] [2023-11-06 22:19:07,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:07,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:07,152 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:07,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1164195998] [2023-11-06 22:19:07,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:07,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:07,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:07,160 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:07,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:19:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:07,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-06 22:19:07,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:07,924 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:19:08,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:08,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:08,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:08,035 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2023-11-06 22:19:08,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:08,061 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-06 22:19:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:19:08,073 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:08,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:08,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144334356] [2023-11-06 22:19:08,073 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:08,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164195998] [2023-11-06 22:19:08,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164195998] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:08,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:08,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:19:08,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249714638] [2023-11-06 22:19:08,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:08,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:19:08,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:08,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:19:08,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:19:08,075 INFO L87 Difference]: Start difference. First operand 476 states and 677 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:19:10,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 22:19:12,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 22:19:14,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 22:19:14,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:14,535 INFO L93 Difference]: Finished difference Result 1205 states and 1731 transitions. [2023-11-06 22:19:14,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:19:14,536 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2023-11-06 22:19:14,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:14,541 INFO L225 Difference]: With dead ends: 1205 [2023-11-06 22:19:14,541 INFO L226 Difference]: Without dead ends: 732 [2023-11-06 22:19:14,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:19:14,543 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 359 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:14,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 399 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 221 Invalid, 3 Unknown, 0 Unchecked, 6.3s Time] [2023-11-06 22:19:14,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2023-11-06 22:19:14,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 498. [2023-11-06 22:19:14,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 441 states have (on average 1.380952380952381) internal successors, (609), 441 states have internal predecessors, (609), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:19:14,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 705 transitions. [2023-11-06 22:19:14,605 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 705 transitions. Word has length 111 [2023-11-06 22:19:14,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:14,606 INFO L495 AbstractCegarLoop]: Abstraction has 498 states and 705 transitions. [2023-11-06 22:19:14,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:19:14,606 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 705 transitions. [2023-11-06 22:19:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-06 22:19:14,608 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:14,608 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:14,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:14,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:14,815 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:14,815 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:14,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1645851502, now seen corresponding path program 1 times [2023-11-06 22:19:14,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:14,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303569835] [2023-11-06 22:19:14,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:14,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:14,846 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:14,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1073938178] [2023-11-06 22:19:14,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:14,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:14,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:14,848 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:14,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:19:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:15,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-06 22:19:15,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:15,685 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:19:15,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:15,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:15,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:15,916 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2023-11-06 22:19:15,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:16,000 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2023-11-06 22:19:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:19:16,036 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:16,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:16,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303569835] [2023-11-06 22:19:16,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:16,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073938178] [2023-11-06 22:19:16,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073938178] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:16,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:16,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:19:16,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227380718] [2023-11-06 22:19:16,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:16,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:19:16,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:16,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:19:16,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:19:16,039 INFO L87 Difference]: Start difference. First operand 498 states and 705 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:19:17,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:17,046 INFO L93 Difference]: Finished difference Result 1139 states and 1617 transitions. [2023-11-06 22:19:17,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:19:17,046 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2023-11-06 22:19:17,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:17,051 INFO L225 Difference]: With dead ends: 1139 [2023-11-06 22:19:17,052 INFO L226 Difference]: Without dead ends: 644 [2023-11-06 22:19:17,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:19:17,054 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 334 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 5 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:17,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 506 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 424 Invalid, 12 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:19:17,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2023-11-06 22:19:17,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 522. [2023-11-06 22:19:17,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 465 states have (on average 1.3720430107526882) internal successors, (638), 465 states have internal predecessors, (638), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:19:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 734 transitions. [2023-11-06 22:19:17,119 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 734 transitions. Word has length 111 [2023-11-06 22:19:17,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:17,120 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 734 transitions. [2023-11-06 22:19:17,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:19:17,120 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 734 transitions. [2023-11-06 22:19:17,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-06 22:19:17,122 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:17,122 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:17,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:17,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:17,330 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:17,330 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:17,331 INFO L85 PathProgramCache]: Analyzing trace with hash -944786924, now seen corresponding path program 1 times [2023-11-06 22:19:17,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:17,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8462247] [2023-11-06 22:19:17,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:17,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:17,365 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:17,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [712279585] [2023-11-06 22:19:17,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:17,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:17,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:17,367 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:17,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 22:19:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:17,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-06 22:19:17,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:17,833 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:19:18,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:18,331 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:19:18,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:18,705 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:19:18,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:18,921 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:19:19,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:19,131 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:19:19,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:19,352 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:19:19,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:19,541 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:19:19,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:19,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:19,800 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:19:19,800 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 23 [2023-11-06 22:19:19,844 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:19:19,845 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2023-11-06 22:19:19,870 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 1 proven. 247 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-06 22:19:19,871 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:19:20,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:20,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8462247] [2023-11-06 22:19:20,159 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:20,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712279585] [2023-11-06 22:19:20,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712279585] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:19:20,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:19:20,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2023-11-06 22:19:20,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947239317] [2023-11-06 22:19:20,160 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:19:20,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-06 22:19:20,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:20,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-06 22:19:20,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=379, Unknown=2, NotChecked=0, Total=462 [2023-11-06 22:19:20,162 INFO L87 Difference]: Start difference. First operand 522 states and 734 transitions. Second operand has 18 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 8 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2023-11-06 22:19:23,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 22:19:24,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:24,394 INFO L93 Difference]: Finished difference Result 1326 states and 1867 transitions. [2023-11-06 22:19:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:19:24,395 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 8 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) Word has length 111 [2023-11-06 22:19:24,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:24,402 INFO L225 Difference]: With dead ends: 1326 [2023-11-06 22:19:24,402 INFO L226 Difference]: Without dead ends: 784 [2023-11-06 22:19:24,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=269, Invalid=989, Unknown=2, NotChecked=0, Total=1260 [2023-11-06 22:19:24,407 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 822 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 149 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:24,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [822 Valid, 1274 Invalid, 1187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1037 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2023-11-06 22:19:24,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2023-11-06 22:19:24,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 530. [2023-11-06 22:19:24,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 473 states have (on average 1.3594080338266386) internal successors, (643), 473 states have internal predecessors, (643), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:19:24,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 739 transitions. [2023-11-06 22:19:24,469 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 739 transitions. Word has length 111 [2023-11-06 22:19:24,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:24,469 INFO L495 AbstractCegarLoop]: Abstraction has 530 states and 739 transitions. [2023-11-06 22:19:24,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 8 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2023-11-06 22:19:24,470 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 739 transitions. [2023-11-06 22:19:24,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-06 22:19:24,472 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:24,472 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:24,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:24,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 22:19:24,679 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:24,679 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:24,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1714996835, now seen corresponding path program 1 times [2023-11-06 22:19:24,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:24,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586861762] [2023-11-06 22:19:24,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:24,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:24,732 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:24,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1201741164] [2023-11-06 22:19:24,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:24,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:24,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:24,734 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:24,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 22:19:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:25,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-06 22:19:25,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:25,345 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:19:25,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:25,529 INFO L322 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2023-11-06 22:19:25,529 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 38 [2023-11-06 22:19:25,554 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2023-11-06 22:19:25,907 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:19:25,908 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 76 [2023-11-06 22:19:26,005 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:19:26,005 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:26,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:26,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586861762] [2023-11-06 22:19:26,006 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:26,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201741164] [2023-11-06 22:19:26,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201741164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:26,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:26,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 22:19:26,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423601718] [2023-11-06 22:19:26,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:26,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:19:26,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:26,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:19:26,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:19:26,010 INFO L87 Difference]: Start difference. First operand 530 states and 739 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:19:29,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:19:31,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:19:33,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 22:19:33,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:33,402 INFO L93 Difference]: Finished difference Result 851 states and 1196 transitions. [2023-11-06 22:19:33,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:19:33,402 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2023-11-06 22:19:33,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:33,406 INFO L225 Difference]: With dead ends: 851 [2023-11-06 22:19:33,407 INFO L226 Difference]: Without dead ends: 683 [2023-11-06 22:19:33,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=108, Invalid=354, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:19:33,408 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 647 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:33,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 764 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 649 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2023-11-06 22:19:33,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2023-11-06 22:19:33,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 530. [2023-11-06 22:19:33,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 473 states have (on average 1.3594080338266386) internal successors, (643), 473 states have internal predecessors, (643), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:19:33,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 739 transitions. [2023-11-06 22:19:33,485 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 739 transitions. Word has length 111 [2023-11-06 22:19:33,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:33,485 INFO L495 AbstractCegarLoop]: Abstraction has 530 states and 739 transitions. [2023-11-06 22:19:33,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:19:33,486 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 739 transitions. [2023-11-06 22:19:33,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-06 22:19:33,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:33,487 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:33,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:33,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 22:19:33,694 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:33,694 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:33,694 INFO L85 PathProgramCache]: Analyzing trace with hash -221739126, now seen corresponding path program 1 times [2023-11-06 22:19:33,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:33,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554401873] [2023-11-06 22:19:33,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:33,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:33,725 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:33,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149558765] [2023-11-06 22:19:33,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:33,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:33,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:33,726 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:33,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 22:19:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:34,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:19:34,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:34,021 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:19:34,021 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:34,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:34,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554401873] [2023-11-06 22:19:34,022 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:34,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149558765] [2023-11-06 22:19:34,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149558765] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:34,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:34,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:19:34,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013016921] [2023-11-06 22:19:34,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:34,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:19:34,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:34,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:19:34,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:19:34,024 INFO L87 Difference]: Start difference. First operand 530 states and 739 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:19:34,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:34,108 INFO L93 Difference]: Finished difference Result 1137 states and 1595 transitions. [2023-11-06 22:19:34,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:19:34,109 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2023-11-06 22:19:34,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:34,113 INFO L225 Difference]: With dead ends: 1137 [2023-11-06 22:19:34,113 INFO L226 Difference]: Without dead ends: 610 [2023-11-06 22:19:34,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:19:34,115 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 72 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:34,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 592 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:19:34,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2023-11-06 22:19:34,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 542. [2023-11-06 22:19:34,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 485 states have (on average 1.3505154639175259) internal successors, (655), 485 states have internal predecessors, (655), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:19:34,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 751 transitions. [2023-11-06 22:19:34,179 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 751 transitions. Word has length 111 [2023-11-06 22:19:34,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:34,179 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 751 transitions. [2023-11-06 22:19:34,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:19:34,179 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 751 transitions. [2023-11-06 22:19:34,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-06 22:19:34,181 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:34,181 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:34,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:34,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 22:19:34,388 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:34,389 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:34,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1609394397, now seen corresponding path program 1 times [2023-11-06 22:19:34,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:34,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121004518] [2023-11-06 22:19:34,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:34,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:34,429 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:34,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1353337096] [2023-11-06 22:19:34,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:34,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:34,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:34,430 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:34,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 22:19:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:34,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:19:34,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:34,733 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-06 22:19:34,744 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:19:34,744 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:34,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:34,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121004518] [2023-11-06 22:19:34,745 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:34,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353337096] [2023-11-06 22:19:34,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353337096] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:34,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:34,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:19:34,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554608854] [2023-11-06 22:19:34,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:34,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:19:34,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:34,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:19:34,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:19:34,748 INFO L87 Difference]: Start difference. First operand 542 states and 751 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:19:36,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 22:19:39,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 22:19:41,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 22:19:43,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 22:19:43,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:43,114 INFO L93 Difference]: Finished difference Result 946 states and 1316 transitions. [2023-11-06 22:19:43,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:19:43,115 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2023-11-06 22:19:43,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:43,119 INFO L225 Difference]: With dead ends: 946 [2023-11-06 22:19:43,119 INFO L226 Difference]: Without dead ends: 639 [2023-11-06 22:19:43,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:19:43,121 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 130 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:43,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 506 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 168 Invalid, 4 Unknown, 0 Unchecked, 8.3s Time] [2023-11-06 22:19:43,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2023-11-06 22:19:43,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 545. [2023-11-06 22:19:43,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 488 states have (on average 1.346311475409836) internal successors, (657), 488 states have internal predecessors, (657), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:19:43,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 753 transitions. [2023-11-06 22:19:43,187 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 753 transitions. Word has length 111 [2023-11-06 22:19:43,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:43,188 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 753 transitions. [2023-11-06 22:19:43,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:19:43,188 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 753 transitions. [2023-11-06 22:19:43,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-06 22:19:43,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:43,190 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:43,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:43,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 22:19:43,398 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:43,398 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:43,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1428382489, now seen corresponding path program 1 times [2023-11-06 22:19:43,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:43,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874506796] [2023-11-06 22:19:43,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:43,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:43,433 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:43,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1794679095] [2023-11-06 22:19:43,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:43,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:43,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:43,435 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:43,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 22:19:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:43,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-06 22:19:43,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:44,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:44,043 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:19:44,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:44,466 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:19:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:44,840 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:19:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:45,051 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:19:45,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:45,232 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:19:45,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:45,423 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:19:45,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:45,601 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:19:45,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:19:45,812 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:19:45,908 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-06 22:19:45,908 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:19:46,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:46,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874506796] [2023-11-06 22:19:46,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:46,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794679095] [2023-11-06 22:19:46,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794679095] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:19:46,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:19:46,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2023-11-06 22:19:46,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271427856] [2023-11-06 22:19:46,081 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:19:46,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:19:46,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:46,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:19:46,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=182, Unknown=1, NotChecked=0, Total=272 [2023-11-06 22:19:46,083 INFO L87 Difference]: Start difference. First operand 545 states and 753 transitions. Second operand has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 12 states have internal predecessors, (73), 7 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2023-11-06 22:19:46,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:46,666 INFO L93 Difference]: Finished difference Result 735 states and 1017 transitions. [2023-11-06 22:19:46,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:19:46,666 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 12 states have internal predecessors, (73), 7 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 112 [2023-11-06 22:19:46,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:46,671 INFO L225 Difference]: With dead ends: 735 [2023-11-06 22:19:46,671 INFO L226 Difference]: Without dead ends: 561 [2023-11-06 22:19:46,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=222, Unknown=1, NotChecked=0, Total=342 [2023-11-06 22:19:46,673 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 301 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:46,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 456 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:19:46,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2023-11-06 22:19:46,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 547. [2023-11-06 22:19:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 490 states have (on average 1.3408163265306123) internal successors, (657), 490 states have internal predecessors, (657), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:19:46,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 753 transitions. [2023-11-06 22:19:46,759 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 753 transitions. Word has length 112 [2023-11-06 22:19:46,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:46,760 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 753 transitions. [2023-11-06 22:19:46,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 12 states have internal predecessors, (73), 7 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2023-11-06 22:19:46,760 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 753 transitions. [2023-11-06 22:19:46,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-06 22:19:46,762 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:46,762 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:46,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:46,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:46,970 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:46,970 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:46,970 INFO L85 PathProgramCache]: Analyzing trace with hash -453113063, now seen corresponding path program 1 times [2023-11-06 22:19:46,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:46,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928736809] [2023-11-06 22:19:46,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:46,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:47,005 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:47,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [633332505] [2023-11-06 22:19:47,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:47,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:47,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:47,008 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:47,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-06 22:19:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:47,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:19:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:47,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:19:47,843 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:19:47,845 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:19:47,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:48,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:48,061 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:48,065 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:19:48,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:19:48 BoogieIcfgContainer [2023-11-06 22:19:48,279 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:19:48,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:19:48,280 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:19:48,280 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:19:48,281 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:18:24" (3/4) ... [2023-11-06 22:19:48,283 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:19:48,284 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:19:48,285 INFO L158 Benchmark]: Toolchain (without parser) took 84958.21ms. Allocated memory was 132.1MB in the beginning and 255.9MB in the end (delta: 123.7MB). Free memory was 97.3MB in the beginning and 124.5MB in the end (delta: -27.2MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2023-11-06 22:19:48,285 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:19:48,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.50ms. Allocated memory is still 132.1MB. Free memory was 97.0MB in the beginning and 83.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:19:48,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.85ms. Allocated memory is still 132.1MB. Free memory was 83.3MB in the beginning and 79.5MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:19:48,286 INFO L158 Benchmark]: Boogie Preprocessor took 89.06ms. Allocated memory is still 132.1MB. Free memory was 79.5MB in the beginning and 76.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:19:48,287 INFO L158 Benchmark]: RCFGBuilder took 1056.84ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 76.7MB in the beginning and 140.7MB in the end (delta: -64.0MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2023-11-06 22:19:48,287 INFO L158 Benchmark]: TraceAbstraction took 83363.10ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 139.5MB in the beginning and 124.5MB in the end (delta: 15.0MB). Peak memory consumption was 94.5MB. Max. memory is 16.1GB. [2023-11-06 22:19:48,287 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 255.9MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:19:48,289 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.50ms. Allocated memory is still 132.1MB. Free memory was 97.0MB in the beginning and 83.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.85ms. Allocated memory is still 132.1MB. Free memory was 83.3MB in the beginning and 79.5MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.06ms. Allocated memory is still 132.1MB. Free memory was 79.5MB in the beginning and 76.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1056.84ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 76.7MB in the beginning and 140.7MB in the end (delta: -64.0MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * TraceAbstraction took 83363.10ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 139.5MB in the beginning and 124.5MB in the end (delta: 15.0MB). Peak memory consumption was 94.5MB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 255.9MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of bitwiseOr at line 99, overapproximation of bitwiseAnd at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 99.25; [L23] float* var_1_1_Pointer = &(var_1_1); [L24] signed short int var_1_7 = 18477; [L25] signed short int* var_1_7_Pointer = &(var_1_7); [L26] signed short int var_1_8 = 5; [L27] signed short int* var_1_8_Pointer = &(var_1_8); [L28] float var_1_9 = 5.8; [L29] float* var_1_9_Pointer = &(var_1_9); [L30] float var_1_10 = 0.5; [L31] float* var_1_10_Pointer = &(var_1_10); [L32] unsigned char var_1_11 = 16; [L33] unsigned char* var_1_11_Pointer = &(var_1_11); [L34] unsigned char var_1_12 = 50; [L35] unsigned char* var_1_12_Pointer = &(var_1_12); [L36] unsigned char var_1_13 = 1; [L37] unsigned char* var_1_13_Pointer = &(var_1_13); [L38] unsigned long int var_1_14 = 256; [L39] unsigned long int* var_1_14_Pointer = &(var_1_14); [L40] unsigned char var_1_15 = 0; [L41] unsigned char* var_1_15_Pointer = &(var_1_15); [L42] unsigned char last_1_var_1_11 = 16; [L43] unsigned long int last_1_var_1_14 = 256; VAL [isInitial=0, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L103] isInitial = 1 [L104] FCALL initially() [L105] COND TRUE 1 [L106] CALL updateLastVariables() [L95] EXPR \read(var_1_11) [L95] last_1_var_1_11 = var_1_11 [L96] EXPR \read(var_1_14) [L96] last_1_var_1_14 = var_1_14 [L106] RET updateLastVariables() [L107] CALL updateVariables() [L74] var_1_7 = __VERIFIER_nondet_short() [L75] EXPR \read(var_1_7) VAL [\read(var_1_7)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L75] CALL assume_abort_if_not(var_1_7 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L75] RET assume_abort_if_not(var_1_7 >= 16383) VAL [\read(var_1_7)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L76] EXPR \read(var_1_7) VAL [\read(var_1_7)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L76] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L76] RET assume_abort_if_not(var_1_7 <= 32767) VAL [\read(var_1_7)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L77] var_1_8 = __VERIFIER_nondet_short() [L78] EXPR \read(var_1_8) VAL [\read(var_1_8)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L78] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L78] RET assume_abort_if_not(var_1_8 >= 0) VAL [\read(var_1_8)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L79] EXPR \read(var_1_8) VAL [\read(var_1_8)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L79] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L79] RET assume_abort_if_not(var_1_8 <= 16383) VAL [\read(var_1_8)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L80] var_1_9 = __VERIFIER_nondet_float() [L81] EXPR \read(var_1_9) [L81] EXPR var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F [L81] EXPR \read(var_1_9) [L81] EXPR var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F VAL [\read(var_1_9)=4, \read(var_1_9)=4, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L81] EXPR (var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F ) VAL [(var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )=1, \read(var_1_9)=4, \read(var_1_9)=4, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F=1, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L81] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L81] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [(var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )=1, \read(var_1_9)=4, \read(var_1_9)=4, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F=1, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L82] var_1_10 = __VERIFIER_nondet_float() [L83] EXPR \read(var_1_10) [L83] EXPR var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F [L83] EXPR \read(var_1_10) [L83] EXPR var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F VAL [\read(var_1_10)=5, \read(var_1_10)=5, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L83] EXPR (var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F ) VAL [(var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )=1, \read(var_1_10)=5, \read(var_1_10)=5, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L83] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L83] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [(var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )=1, \read(var_1_10)=5, \read(var_1_10)=5, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L84] var_1_12 = __VERIFIER_nondet_uchar() [L85] EXPR \read(var_1_12) VAL [\read(var_1_12)=4, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L85] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L85] RET assume_abort_if_not(var_1_12 >= 0) VAL [\read(var_1_12)=4, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L86] EXPR \read(var_1_12) VAL [\read(var_1_12)=4, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L86] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L86] RET assume_abort_if_not(var_1_12 <= 254) VAL [\read(var_1_12)=4, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L87] var_1_13 = __VERIFIER_nondet_uchar() [L88] EXPR \read(var_1_13) VAL [\read(var_1_13)=2, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L88] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L88] RET assume_abort_if_not(var_1_13 >= 0) VAL [\read(var_1_13)=2, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR \read(var_1_13) VAL [\read(var_1_13)=2, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] RET assume_abort_if_not(var_1_13 <= 254) VAL [\read(var_1_13)=2, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L90] var_1_15 = __VERIFIER_nondet_uchar() [L91] EXPR \read(var_1_15) VAL [\read(var_1_15)=-255, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L91] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L91] RET assume_abort_if_not(var_1_15 >= 0) VAL [\read(var_1_15)=-255, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L92] EXPR \read(var_1_15) VAL [\read(var_1_15)=-255, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L92] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L92] RET assume_abort_if_not(var_1_15 <= 1) VAL [\read(var_1_15)=-255, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L107] RET updateVariables() [L108] CALL step() [L47] EXPR \read(*var_1_8_Pointer) [L47] signed short int stepLocal_3 = (*(var_1_8_Pointer)); [L48] unsigned long int stepLocal_2 = last_1_var_1_14; VAL [isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, stepLocal_2=256, stepLocal_3=16383, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L49] COND FALSE !(last_1_var_1_14 > stepLocal_3) VAL [isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, stepLocal_2=256, stepLocal_3=16383, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L56] EXPR \read(*var_1_11_Pointer) [L56] EXPR \read(*var_1_7_Pointer) VAL [\read(*var_1_11_Pointer)=16, \read(*var_1_7_Pointer)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, stepLocal_2=256, stepLocal_3=16383, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L56] EXPR (*(var_1_11_Pointer)) & (*(var_1_7_Pointer)) VAL [(*(var_1_11_Pointer)) & (*(var_1_7_Pointer))=16, \read(*var_1_11_Pointer)=16, \read(*var_1_7_Pointer)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, stepLocal_2=256, stepLocal_3=16383, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L56] EXPR \read(*var_1_12_Pointer) [L56] EXPR \read(*var_1_11_Pointer) [L56] EXPR \read(*var_1_11_Pointer) VAL [(*(var_1_11_Pointer)) & (*(var_1_7_Pointer))=16, \read(*var_1_11_Pointer)=16, \read(*var_1_11_Pointer)=16, \read(*var_1_11_Pointer)=16, \read(*var_1_12_Pointer)=4, \read(*var_1_7_Pointer)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, stepLocal_2=256, stepLocal_3=16383, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L56] COND FALSE !(((*(var_1_11_Pointer)) & (*(var_1_7_Pointer))) > (((*(var_1_12_Pointer)) * last_1_var_1_14) * ((*(var_1_11_Pointer)) + (*(var_1_11_Pointer))))) [L61] EXPR \read(*var_1_7_Pointer) [L61] (*(var_1_14_Pointer)) = (*(var_1_7_Pointer)) [L63] EXPR \read(*var_1_11_Pointer) [L63] unsigned char stepLocal_1 = (*(var_1_11_Pointer)); [L64] EXPR \read(*var_1_11_Pointer) [L64] EXPR \read(*var_1_11_Pointer) [L64] EXPR \read(*var_1_14_Pointer) VAL [\read(*var_1_11_Pointer)=16, \read(*var_1_11_Pointer)=16, \read(*var_1_14_Pointer)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, stepLocal_1=16, stepLocal_2=256, stepLocal_3=16383, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L64] EXPR (((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer))) [L64] EXPR \read(*var_1_14_Pointer) [L64] EXPR (((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer))) VAL [(((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))=16383, \read(*var_1_11_Pointer)=16, \read(*var_1_11_Pointer)=16, \read(*var_1_14_Pointer)=16383, \read(*var_1_14_Pointer)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, stepLocal_1=16, stepLocal_2=256, stepLocal_3=16383, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L64] EXPR (*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer))))) VAL [(((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))=16383, (*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))=16, \read(*var_1_11_Pointer)=16, \read(*var_1_11_Pointer)=16, \read(*var_1_14_Pointer)=16383, \read(*var_1_14_Pointer)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, stepLocal_1=16, stepLocal_2=256, stepLocal_3=16383, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L64] unsigned long int stepLocal_0 = (*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer))))); [L65] EXPR \read(*var_1_11_Pointer) VAL [\read(*var_1_11_Pointer)=16, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, stepLocal_0=16, stepLocal_1=16, stepLocal_2=256, stepLocal_3=16383, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L65] COND FALSE !(stepLocal_0 != (*(var_1_11_Pointer))) [L70] (*(var_1_1_Pointer)) = 10.5f VAL [isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, stepLocal_0=16, stepLocal_1=16, stepLocal_2=256, stepLocal_3=16383, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L108] RET step() [L109] CALL, EXPR property() [L99] EXPR \read(*var_1_11_Pointer) [L99] EXPR \read(*var_1_11_Pointer) [L99] EXPR \read(*var_1_14_Pointer) VAL [\read(*var_1_11_Pointer)=16, \read(*var_1_11_Pointer)=16, \read(*var_1_14_Pointer)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L99] EXPR (((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer))) [L99] EXPR \read(*var_1_14_Pointer) [L99] EXPR (((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer))) VAL [(((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))=16383, \read(*var_1_11_Pointer)=16, \read(*var_1_11_Pointer)=16, \read(*var_1_14_Pointer)=16383, \read(*var_1_14_Pointer)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L99] EXPR (*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer))))) VAL [(((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))=16383, (*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))=4294967312, \read(*var_1_11_Pointer)=16, \read(*var_1_11_Pointer)=16, \read(*var_1_14_Pointer)=16383, \read(*var_1_14_Pointer)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L99] EXPR \read(*var_1_11_Pointer) VAL [(((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))=16383, (*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))=4294967312, \read(*var_1_11_Pointer)=16, \read(*var_1_11_Pointer)=16, \read(*var_1_11_Pointer)=16, \read(*var_1_14_Pointer)=16383, \read(*var_1_14_Pointer)=16383, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L99] EXPR (((*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))) != (*(var_1_11_Pointer))) ? (((*(var_1_11_Pointer)) == ((*(var_1_11_Pointer)) - ((*(var_1_7_Pointer)) - (*(var_1_11_Pointer))))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) : ((*(var_1_1_Pointer)) == ((float) 10.5f)) [L99] EXPR \read(*var_1_1_Pointer) [L99] EXPR (((*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))) != (*(var_1_11_Pointer))) ? (((*(var_1_11_Pointer)) == ((*(var_1_11_Pointer)) - ((*(var_1_7_Pointer)) - (*(var_1_11_Pointer))))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) : ((*(var_1_1_Pointer)) == ((float) 10.5f)) VAL [(((*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))) != (*(var_1_11_Pointer))) ? (((*(var_1_11_Pointer)) == ((*(var_1_11_Pointer)) - ((*(var_1_7_Pointer)) - (*(var_1_11_Pointer))))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) : ((*(var_1_1_Pointer)) == ((float) 10.5f))=0, (((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))=16383, (*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))=4294967312, \read(*var_1_11_Pointer)=16, \read(*var_1_11_Pointer)=16, \read(*var_1_11_Pointer)=16, \read(*var_1_14_Pointer)=16383, \read(*var_1_14_Pointer)=16383, \read(*var_1_1_Pointer)=21/2, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L99] EXPR ((((*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))) != (*(var_1_11_Pointer))) ? (((*(var_1_11_Pointer)) == ((*(var_1_11_Pointer)) - ((*(var_1_7_Pointer)) - (*(var_1_11_Pointer))))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) : ((*(var_1_1_Pointer)) == ((float) 10.5f))) && ((last_1_var_1_14 > (*(var_1_8_Pointer))) ? ((((last_1_var_1_11 - (*(var_1_8_Pointer))) + (*(var_1_7_Pointer))) > last_1_var_1_14) ? ((*(var_1_11_Pointer)) == ((unsigned char) (((((*(var_1_12_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) : ((*(var_1_11_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) : 1) VAL [((((*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))) != (*(var_1_11_Pointer))) ? (((*(var_1_11_Pointer)) == ((*(var_1_11_Pointer)) - ((*(var_1_7_Pointer)) - (*(var_1_11_Pointer))))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) : ((*(var_1_1_Pointer)) == ((float) 10.5f))) && ((last_1_var_1_14 > (*(var_1_8_Pointer))) ? ((((last_1_var_1_11 - (*(var_1_8_Pointer))) + (*(var_1_7_Pointer))) > last_1_var_1_14) ? ((*(var_1_11_Pointer)) == ((unsigned char) (((((*(var_1_12_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) : ((*(var_1_11_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) : 1)=0, (((*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))) != (*(var_1_11_Pointer))) ? (((*(var_1_11_Pointer)) == ((*(var_1_11_Pointer)) - ((*(var_1_7_Pointer)) - (*(var_1_11_Pointer))))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) : ((*(var_1_1_Pointer)) == ((float) 10.5f))=0, (((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))=16383, (*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))=4294967312, \read(*var_1_11_Pointer)=16, \read(*var_1_11_Pointer)=16, \read(*var_1_11_Pointer)=16, \read(*var_1_14_Pointer)=16383, \read(*var_1_14_Pointer)=16383, \read(*var_1_1_Pointer)=21/2, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L99] EXPR (((((*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))) != (*(var_1_11_Pointer))) ? (((*(var_1_11_Pointer)) == ((*(var_1_11_Pointer)) - ((*(var_1_7_Pointer)) - (*(var_1_11_Pointer))))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) : ((*(var_1_1_Pointer)) == ((float) 10.5f))) && ((last_1_var_1_14 > (*(var_1_8_Pointer))) ? ((((last_1_var_1_11 - (*(var_1_8_Pointer))) + (*(var_1_7_Pointer))) > last_1_var_1_14) ? ((*(var_1_11_Pointer)) == ((unsigned char) (((((*(var_1_12_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) : ((*(var_1_11_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) : 1)) && ((((*(var_1_11_Pointer)) & (*(var_1_7_Pointer))) > (((*(var_1_12_Pointer)) * last_1_var_1_14) * ((*(var_1_11_Pointer)) + (*(var_1_11_Pointer))))) ? (((*(var_1_15_Pointer)) && ((*(var_1_9_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_14_Pointer)) == ((unsigned long int) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_14_Pointer)) == ((unsigned long int) (*(var_1_7_Pointer))))) VAL [(((((*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))) != (*(var_1_11_Pointer))) ? (((*(var_1_11_Pointer)) == ((*(var_1_11_Pointer)) - ((*(var_1_7_Pointer)) - (*(var_1_11_Pointer))))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) : ((*(var_1_1_Pointer)) == ((float) 10.5f))) && ((last_1_var_1_14 > (*(var_1_8_Pointer))) ? ((((last_1_var_1_11 - (*(var_1_8_Pointer))) + (*(var_1_7_Pointer))) > last_1_var_1_14) ? ((*(var_1_11_Pointer)) == ((unsigned char) (((((*(var_1_12_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) : ((*(var_1_11_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) : 1)) && ((((*(var_1_11_Pointer)) & (*(var_1_7_Pointer))) > (((*(var_1_12_Pointer)) * last_1_var_1_14) * ((*(var_1_11_Pointer)) + (*(var_1_11_Pointer))))) ? (((*(var_1_15_Pointer)) && ((*(var_1_9_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_14_Pointer)) == ((unsigned long int) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_14_Pointer)) == ((unsigned long int) (*(var_1_7_Pointer)))))=0, ((((*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))) != (*(var_1_11_Pointer))) ? (((*(var_1_11_Pointer)) == ((*(var_1_11_Pointer)) - ((*(var_1_7_Pointer)) - (*(var_1_11_Pointer))))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) : ((*(var_1_1_Pointer)) == ((float) 10.5f))) && ((last_1_var_1_14 > (*(var_1_8_Pointer))) ? ((((last_1_var_1_11 - (*(var_1_8_Pointer))) + (*(var_1_7_Pointer))) > last_1_var_1_14) ? ((*(var_1_11_Pointer)) == ((unsigned char) (((((*(var_1_12_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) : ((*(var_1_11_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) : 1)=0, (((*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))) != (*(var_1_11_Pointer))) ? (((*(var_1_11_Pointer)) == ((*(var_1_11_Pointer)) - ((*(var_1_7_Pointer)) - (*(var_1_11_Pointer))))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) : ((*(var_1_1_Pointer)) == ((float) 10.5f))=0, (((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))=16383, (*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))=4294967312, \read(*var_1_11_Pointer)=16, \read(*var_1_11_Pointer)=16, \read(*var_1_11_Pointer)=16, \read(*var_1_14_Pointer)=16383, \read(*var_1_14_Pointer)=16383, \read(*var_1_1_Pointer)=21/2, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L99-L100] return (((((*(var_1_11_Pointer)) ^ (((((*(var_1_11_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_14_Pointer)))))) != (*(var_1_11_Pointer))) ? (((*(var_1_11_Pointer)) == ((*(var_1_11_Pointer)) - ((*(var_1_7_Pointer)) - (*(var_1_11_Pointer))))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) : ((*(var_1_1_Pointer)) == ((float) 10.5f))) && ((last_1_var_1_14 > (*(var_1_8_Pointer))) ? ((((last_1_var_1_11 - (*(var_1_8_Pointer))) + (*(var_1_7_Pointer))) > last_1_var_1_14) ? ((*(var_1_11_Pointer)) == ((unsigned char) (((((*(var_1_12_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) : ((*(var_1_11_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) : 1)) && ((((*(var_1_11_Pointer)) & (*(var_1_7_Pointer))) > (((*(var_1_12_Pointer)) * last_1_var_1_14) * ((*(var_1_11_Pointer)) + (*(var_1_11_Pointer))))) ? (((*(var_1_15_Pointer)) && ((*(var_1_9_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_14_Pointer)) == ((unsigned long int) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_14_Pointer)) == ((unsigned long int) (*(var_1_7_Pointer))))) ; [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=16, last_1_var_1_14=256, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 83.1s, OverallIterations: 20, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 52.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 30 mSolverCounterUnknown, 5582 SdHoareTripleChecker+Valid, 48.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5570 mSDsluCounter, 11459 SdHoareTripleChecker+Invalid, 46.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8658 mSDsCounter, 437 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6373 IncrementalHoareTripleChecker+Invalid, 6840 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 437 mSolverCounterUnsat, 2801 mSDtfsCounter, 6373 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2280 GetRequests, 2046 SyntacticMatches, 0 SemanticMatches, 234 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 714 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=547occurred in iteration=19, InterpolantAutomatonStates: 154, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 19 MinimizatonAttempts, 1783 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 18.0s InterpolantComputationTime, 2299 NumberOfCodeBlocks, 2299 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2061 ConstructedInterpolants, 12 QuantifiedInterpolants, 19632 SizeOfPredicates, 217 NumberOfNonLiveVariables, 9149 ConjunctsInSsa, 449 ConjunctsInUnsatCore, 19 InterpolantComputations, 14 PerfectInterpolantSequences, 3789/5016 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:19:48,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/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_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/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 8167bb57c72da66729eaf4d0bfb99f298c96636d95817c5a55fbaebfee04d766 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:19:50,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:19:51,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:19:51,089 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:19:51,090 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:19:51,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:19:51,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:19:51,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:19:51,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:19:51,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:19:51,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:19:51,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:19:51,147 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:19:51,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:19:51,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:19:51,150 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:19:51,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:19:51,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:19:51,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:19:51,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:19:51,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:19:51,153 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:19:51,154 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:19:51,154 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:19:51,155 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:19:51,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:19:51,156 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:19:51,156 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:19:51,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:19:51,157 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:19:51,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:19:51,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:19:51,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:19:51,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:19:51,160 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:19:51,160 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:19:51,161 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:19:51,161 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:19:51,161 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:19:51,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:19:51,163 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:19:51,163 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:19:51,163 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_0f65fa07-eab3-425f-8191-c5c57ec73df2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8167bb57c72da66729eaf4d0bfb99f298c96636d95817c5a55fbaebfee04d766 [2023-11-06 22:19:51,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:19:51,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:19:51,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:19:51,667 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:19:51,668 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:19:51,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-18.i [2023-11-06 22:19:54,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:19:55,245 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:19:55,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-18.i [2023-11-06 22:19:55,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/data/1a8fae8ee/4a3f5587884d42339f860eda169bf254/FLAGa02c0ce21 [2023-11-06 22:19:55,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/data/1a8fae8ee/4a3f5587884d42339f860eda169bf254 [2023-11-06 22:19:55,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:19:55,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:19:55,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:19:55,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:19:55,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:19:55,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:19:55" (1/1) ... [2023-11-06 22:19:55,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@798ca30d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:55, skipping insertion in model container [2023-11-06 22:19:55,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:19:55" (1/1) ... [2023-11-06 22:19:55,314 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:19:55,516 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_0f65fa07-eab3-425f-8191-c5c57ec73df2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-18.i[916,929] [2023-11-06 22:19:55,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:19:55,640 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:19:55,661 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_0f65fa07-eab3-425f-8191-c5c57ec73df2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-18.i[916,929] [2023-11-06 22:19:55,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:19:55,733 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:19:55,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:55 WrapperNode [2023-11-06 22:19:55,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:19:55,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:19:55,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:19:55,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:19:55,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:55" (1/1) ... [2023-11-06 22:19:55,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:55" (1/1) ... [2023-11-06 22:19:55,876 INFO L138 Inliner]: procedures = 36, calls = 148, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 410 [2023-11-06 22:19:55,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:19:55,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:19:55,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:19:55,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:19:55,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:55" (1/1) ... [2023-11-06 22:19:55,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:55" (1/1) ... [2023-11-06 22:19:55,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:55" (1/1) ... [2023-11-06 22:19:55,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:55" (1/1) ... [2023-11-06 22:19:55,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:55" (1/1) ... [2023-11-06 22:19:55,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:55" (1/1) ... [2023-11-06 22:19:55,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:55" (1/1) ... [2023-11-06 22:19:55,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:55" (1/1) ... [2023-11-06 22:19:55,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:19:55,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:19:55,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:19:55,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:19:55,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:55" (1/1) ... [2023-11-06 22:19:55,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:19:55,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:55,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:56,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:19:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:19:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-06 22:19:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-06 22:19:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:19:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-06 22:19:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-06 22:19:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 22:19:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-06 22:19:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-06 22:19:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-06 22:19:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:19:56,039 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:19:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:19:56,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:19:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-06 22:19:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-06 22:19:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 22:19:56,223 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:19:56,226 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:19:57,553 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:19:57,562 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:19:57,563 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:19:57,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:57 BoogieIcfgContainer [2023-11-06 22:19:57,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:19:57,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:19:57,570 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:19:57,593 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:19:57,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:19:55" (1/3) ... [2023-11-06 22:19:57,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@559e36ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:19:57, skipping insertion in model container [2023-11-06 22:19:57,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:55" (2/3) ... [2023-11-06 22:19:57,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@559e36ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:19:57, skipping insertion in model container [2023-11-06 22:19:57,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:57" (3/3) ... [2023-11-06 22:19:57,597 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-18.i [2023-11-06 22:19:57,621 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:19:57,621 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:19:57,705 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:19:57,714 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;@1e7a49ad, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:19:57,715 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:19:57,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 78 states have internal predecessors, (110), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:19:57,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-06 22:19:57,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:57,743 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:57,744 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:57,750 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:57,750 INFO L85 PathProgramCache]: Analyzing trace with hash -40990956, now seen corresponding path program 1 times [2023-11-06 22:19:57,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:19:57,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228033992] [2023-11-06 22:19:57,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:57,767 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:19:57,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:19:57,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:19:57,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:19:58,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 139 [2023-11-06 22:19:58,148 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 30 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 37 more [2023-11-06 22:19:58,156 INFO L158 Benchmark]: Toolchain (without parser) took 2882.06ms. Allocated memory was 79.7MB in the beginning and 123.7MB in the end (delta: 44.0MB). Free memory was 55.0MB in the beginning and 78.2MB in the end (delta: -23.2MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-11-06 22:19:58,157 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 79.7MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:19:58,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.28ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 40.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:19:58,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.52ms. Allocated memory was 79.7MB in the beginning and 123.7MB in the end (delta: 44.0MB). Free memory was 40.5MB in the beginning and 102.5MB in the end (delta: -62.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:19:58,160 INFO L158 Benchmark]: Boogie Preprocessor took 62.06ms. Allocated memory is still 123.7MB. Free memory was 102.5MB in the beginning and 99.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:19:58,161 INFO L158 Benchmark]: RCFGBuilder took 1624.30ms. Allocated memory is still 123.7MB. Free memory was 99.5MB in the beginning and 68.0MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-06 22:19:58,162 INFO L158 Benchmark]: TraceAbstraction took 584.57ms. Allocated memory is still 123.7MB. Free memory was 67.3MB in the beginning and 78.2MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:19:58,166 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 79.7MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.28ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 40.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.52ms. Allocated memory was 79.7MB in the beginning and 123.7MB in the end (delta: 44.0MB). Free memory was 40.5MB in the beginning and 102.5MB in the end (delta: -62.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.06ms. Allocated memory is still 123.7MB. Free memory was 102.5MB in the beginning and 99.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1624.30ms. Allocated memory is still 123.7MB. Free memory was 99.5MB in the beginning and 68.0MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 584.57ms. Allocated memory is still 123.7MB. Free memory was 67.3MB in the beginning and 78.2MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-06 22:19:58,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f65fa07-eab3-425f-8191-c5c57ec73df2/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2) with exit command (exit)) Received EOF on stdin. No stderr output.