./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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 53cf1c89f0977ad1ca8f0cd80861a2586d1d5ed487af656b04baa58a1567d392 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:59:12,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:59:12,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 21:59:12,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:59:12,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:59:12,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:59:12,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:59:12,199 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:59:12,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:59:12,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:59:12,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:59:12,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:59:12,204 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:59:12,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:59:12,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:59:12,207 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:59:12,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:59:12,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:59:12,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:59:12,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:59:12,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:59:12,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:59:12,212 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:59:12,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:59:12,213 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:59:12,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:59:12,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:59:12,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:59:12,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:12,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:59:12,217 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:59:12,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:59:12,219 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:59:12,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:59:12,220 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:59:12,221 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:59:12,221 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:59:12,222 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:59:12,222 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:59:12,223 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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53cf1c89f0977ad1ca8f0cd80861a2586d1d5ed487af656b04baa58a1567d392 [2023-11-06 21:59:12,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:59:12,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:59:12,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:59:12,603 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:59:12,603 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:59:12,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i [2023-11-06 21:59:16,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:59:16,837 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:59:16,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i [2023-11-06 21:59:16,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/data/15765a534/e93d8e4917d34815935181c9e8c2bc34/FLAG74e333979 [2023-11-06 21:59:16,876 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/data/15765a534/e93d8e4917d34815935181c9e8c2bc34 [2023-11-06 21:59:16,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:59:16,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:59:16,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:16,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:59:16,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:59:16,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:16" (1/1) ... [2023-11-06 21:59:16,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3930dae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:16, skipping insertion in model container [2023-11-06 21:59:16,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:16" (1/1) ... [2023-11-06 21:59:16,937 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:59:17,127 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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i[916,929] [2023-11-06 21:59:17,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:17,235 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:59:17,251 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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i[916,929] [2023-11-06 21:59:17,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:17,347 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:59:17,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:17 WrapperNode [2023-11-06 21:59:17,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:17,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:17,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:59:17,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:59:17,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:17" (1/1) ... [2023-11-06 21:59:17,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:17" (1/1) ... [2023-11-06 21:59:17,448 INFO L138 Inliner]: procedures = 29, calls = 127, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 355 [2023-11-06 21:59:17,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:17,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:59:17,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:59:17,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:59:17,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:17" (1/1) ... [2023-11-06 21:59:17,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:17" (1/1) ... [2023-11-06 21:59:17,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:17" (1/1) ... [2023-11-06 21:59:17,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:17" (1/1) ... [2023-11-06 21:59:17,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:17" (1/1) ... [2023-11-06 21:59:17,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:17" (1/1) ... [2023-11-06 21:59:17,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:17" (1/1) ... [2023-11-06 21:59:17,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:17" (1/1) ... [2023-11-06 21:59:17,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:59:17,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:59:17,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:59:17,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:59:17,526 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:17" (1/1) ... [2023-11-06 21:59:17,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:17,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:17,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:59:17,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:59:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:59:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-06 21:59:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:59:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-06 21:59:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:59:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-06 21:59:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:59:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:59:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:59:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:59:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:59:17,860 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:59:17,865 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:59:18,575 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:59:18,592 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:59:18,593 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:59:18,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:18 BoogieIcfgContainer [2023-11-06 21:59:18,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:59:18,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:59:18,604 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:59:18,619 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:59:18,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:59:16" (1/3) ... [2023-11-06 21:59:18,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311eaa45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:18, skipping insertion in model container [2023-11-06 21:59:18,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:17" (2/3) ... [2023-11-06 21:59:18,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311eaa45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:18, skipping insertion in model container [2023-11-06 21:59:18,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:18" (3/3) ... [2023-11-06 21:59:18,628 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-46.i [2023-11-06 21:59:18,650 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:59:18,650 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:59:18,718 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:59:18,726 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;@6af9c24, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:59:18,727 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:59:18,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 82 states have (on average 1.4268292682926829) internal successors, (117), 83 states have internal predecessors, (117), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 21:59:18,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 21:59:18,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:18,756 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:18,759 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:18,767 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:18,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1445805892, now seen corresponding path program 1 times [2023-11-06 21:59:18,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:18,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293091569] [2023-11-06 21:59:18,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:18,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:19,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:19,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293091569] [2023-11-06 21:59:19,101 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 21:59:19,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894135763] [2023-11-06 21:59:19,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:19,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:19,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:19,119 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:19,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 21:59:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:19,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 21:59:19,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:19,668 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2023-11-06 21:59:19,669 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:59:19,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894135763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:19,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:19,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:59:19,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551305990] [2023-11-06 21:59:19,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:19,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:59:19,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:19,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:59:19,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:59:19,726 INFO L87 Difference]: Start difference. First operand has 99 states, 82 states have (on average 1.4268292682926829) internal successors, (117), 83 states have internal predecessors, (117), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 21:59:19,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:19,775 INFO L93 Difference]: Finished difference Result 191 states and 298 transitions. [2023-11-06 21:59:19,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:59:19,778 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 116 [2023-11-06 21:59:19,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:19,790 INFO L225 Difference]: With dead ends: 191 [2023-11-06 21:59:19,791 INFO L226 Difference]: Without dead ends: 95 [2023-11-06 21:59:19,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:59:19,801 INFO L413 NwaCegarLoop]: 138 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, 138 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:19,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:59:19,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-06 21:59:19,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2023-11-06 21:59:19,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 79 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 21:59:19,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2023-11-06 21:59:19,885 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 116 [2023-11-06 21:59:19,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:19,886 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2023-11-06 21:59:19,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 21:59:19,887 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2023-11-06 21:59:19,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 21:59:19,893 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:19,894 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:19,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:20,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 21:59:20,096 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:20,097 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:20,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1224916520, now seen corresponding path program 1 times [2023-11-06 21:59:20,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:20,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108779737] [2023-11-06 21:59:20,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:20,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:20,214 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:59:20,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [519684191] [2023-11-06 21:59:20,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:20,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:20,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:20,218 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:20,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 21:59:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:20,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 21:59:20,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:20,643 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 21:59:20,842 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 0 case distinctions, treesize of input 95 treesize of output 73 [2023-11-06 21:59:20,862 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 21:59:20,863 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 97 [2023-11-06 21:59:20,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 21:59:20,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 21:59:20,945 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2023-11-06 21:59:21,162 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 21:59:21,164 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 101 treesize of output 47 [2023-11-06 21:59:21,199 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 21:59:21,200 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:59:21,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:21,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108779737] [2023-11-06 21:59:21,205 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 21:59:21,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519684191] [2023-11-06 21:59:21,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519684191] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:21,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:21,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 21:59:21,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447901207] [2023-11-06 21:59:21,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:21,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 21:59:21,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:21,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 21:59:21,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 21:59:21,214 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 21:59:21,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:21,908 INFO L93 Difference]: Finished difference Result 238 states and 344 transitions. [2023-11-06 21:59:21,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 21:59:21,909 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2023-11-06 21:59:21,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:21,913 INFO L225 Difference]: With dead ends: 238 [2023-11-06 21:59:21,913 INFO L226 Difference]: Without dead ends: 146 [2023-11-06 21:59:21,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-06 21:59:21,916 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 71 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:21,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 472 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 21:59:21,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-06 21:59:21,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 143. [2023-11-06 21:59:21,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 125 states have (on average 1.408) internal successors, (176), 126 states have internal predecessors, (176), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 21:59:21,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 206 transitions. [2023-11-06 21:59:21,947 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 206 transitions. Word has length 116 [2023-11-06 21:59:21,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:21,948 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 206 transitions. [2023-11-06 21:59:21,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 21:59:21,949 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 206 transitions. [2023-11-06 21:59:21,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 21:59:21,956 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:21,957 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:21,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:22,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:22,165 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:22,166 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:22,166 INFO L85 PathProgramCache]: Analyzing trace with hash 638110506, now seen corresponding path program 1 times [2023-11-06 21:59:22,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:22,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322707826] [2023-11-06 21:59:22,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:22,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:22,279 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:59:22,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [529312260] [2023-11-06 21:59:22,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:22,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:22,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:22,284 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:22,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 21:59:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:22,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 21:59:22,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:22,602 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 11 treesize of output 7 [2023-11-06 21:59:22,639 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 0 case distinctions, treesize of input 91 treesize of output 69 [2023-11-06 21:59:22,649 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 21:59:22,649 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 91 [2023-11-06 21:59:22,757 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 41 treesize of output 26 [2023-11-06 21:59:23,024 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 21:59:23,025 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 112 treesize of output 60 [2023-11-06 21:59:23,075 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-06 21:59:23,075 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:59:23,262 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 21:59:23,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:23,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322707826] [2023-11-06 21:59:23,263 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 21:59:23,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529312260] [2023-11-06 21:59:23,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529312260] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 21:59:23,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:59:23,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2023-11-06 21:59:23,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769513913] [2023-11-06 21:59:23,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:23,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 21:59:23,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:23,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 21:59:23,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-06 21:59:23,280 INFO L87 Difference]: Start difference. First operand 143 states and 206 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 21:59:23,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:23,748 INFO L93 Difference]: Finished difference Result 459 states and 666 transitions. [2023-11-06 21:59:23,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 21:59:23,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2023-11-06 21:59:23,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:23,756 INFO L225 Difference]: With dead ends: 459 [2023-11-06 21:59:23,756 INFO L226 Difference]: Without dead ends: 319 [2023-11-06 21:59:23,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-11-06 21:59:23,760 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 171 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:23,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 327 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 21:59:23,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2023-11-06 21:59:23,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 162. [2023-11-06 21:59:23,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 144 states have (on average 1.4027777777777777) internal successors, (202), 145 states have internal predecessors, (202), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 21:59:23,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 232 transitions. [2023-11-06 21:59:23,793 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 232 transitions. Word has length 116 [2023-11-06 21:59:23,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:23,795 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 232 transitions. [2023-11-06 21:59:23,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 21:59:23,795 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 232 transitions. [2023-11-06 21:59:23,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 21:59:23,799 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:23,799 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:23,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:24,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:24,008 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:24,008 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:24,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1453397179, now seen corresponding path program 1 times [2023-11-06 21:59:24,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:24,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310556236] [2023-11-06 21:59:24,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:24,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:24,090 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:59:24,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [165398770] [2023-11-06 21:59:24,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:24,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:24,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:24,097 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:24,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 21:59:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 21:59:24,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:24,363 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 20 treesize of output 8 [2023-11-06 21:59:24,373 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 21:59:24,374 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:59:24,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:24,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310556236] [2023-11-06 21:59:24,374 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 21:59:24,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165398770] [2023-11-06 21:59:24,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165398770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:24,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:24,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:59:24,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127201123] [2023-11-06 21:59:24,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:24,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 21:59:24,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:24,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 21:59:24,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:59:24,379 INFO L87 Difference]: Start difference. First operand 162 states and 232 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 21:59:24,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:24,685 INFO L93 Difference]: Finished difference Result 415 states and 595 transitions. [2023-11-06 21:59:24,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:59:24,686 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-06 21:59:24,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:24,690 INFO L225 Difference]: With dead ends: 415 [2023-11-06 21:59:24,690 INFO L226 Difference]: Without dead ends: 256 [2023-11-06 21:59:24,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:59:24,693 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 125 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:24,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 402 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 21:59:24,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-11-06 21:59:24,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 162. [2023-11-06 21:59:24,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 144 states have (on average 1.3958333333333333) internal successors, (201), 145 states have internal predecessors, (201), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 21:59:24,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 231 transitions. [2023-11-06 21:59:24,724 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 231 transitions. Word has length 118 [2023-11-06 21:59:24,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:24,725 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 231 transitions. [2023-11-06 21:59:24,726 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 21:59:24,726 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 231 transitions. [2023-11-06 21:59:24,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 21:59:24,731 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:24,732 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:24,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:24,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-06 21:59:24,933 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:24,933 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:24,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1846424189, now seen corresponding path program 1 times [2023-11-06 21:59:24,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:24,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18326086] [2023-11-06 21:59:24,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:24,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:25,035 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:59:25,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1920982194] [2023-11-06 21:59:25,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:25,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:25,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:25,043 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:25,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 21:59:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:25,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 21:59:25,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:25,306 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 21:59:25,306 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:59:25,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:25,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18326086] [2023-11-06 21:59:25,307 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 21:59:25,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920982194] [2023-11-06 21:59:25,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920982194] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:25,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:25,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:59:25,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397478491] [2023-11-06 21:59:25,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:25,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 21:59:25,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:25,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 21:59:25,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:59:25,311 INFO L87 Difference]: Start difference. First operand 162 states and 231 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 21:59:25,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:25,378 INFO L93 Difference]: Finished difference Result 350 states and 502 transitions. [2023-11-06 21:59:25,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:59:25,379 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-06 21:59:25,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:25,383 INFO L225 Difference]: With dead ends: 350 [2023-11-06 21:59:25,383 INFO L226 Difference]: Without dead ends: 191 [2023-11-06 21:59:25,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 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 21:59:25,385 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 56 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:25,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 535 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:59:25,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-11-06 21:59:25,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 167. [2023-11-06 21:59:25,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 149 states have (on average 1.3825503355704698) internal successors, (206), 150 states have internal predecessors, (206), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 21:59:25,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 236 transitions. [2023-11-06 21:59:25,425 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 236 transitions. Word has length 118 [2023-11-06 21:59:25,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:25,427 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 236 transitions. [2023-11-06 21:59:25,427 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 21:59:25,427 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 236 transitions. [2023-11-06 21:59:25,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 21:59:25,430 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:25,430 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:25,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:25,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:25,638 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:25,639 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:25,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1761881403, now seen corresponding path program 1 times [2023-11-06 21:59:25,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:25,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115270007] [2023-11-06 21:59:25,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:25,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:25,713 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:59:25,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [281975194] [2023-11-06 21:59:25,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:25,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:25,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:25,720 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:25,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 21:59:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:25,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-06 21:59:25,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:26,005 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 0 case distinctions, treesize of input 19 treesize of output 19 [2023-11-06 21:59:26,047 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 21:59:26,048 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 64 treesize of output 28 [2023-11-06 21:59:26,080 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-06 21:59:26,080 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:59:26,208 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 21:59:26,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:26,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115270007] [2023-11-06 21:59:26,209 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 21:59:26,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281975194] [2023-11-06 21:59:26,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281975194] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 21:59:26,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:59:26,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2023-11-06 21:59:26,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121288409] [2023-11-06 21:59:26,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:26,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:59:26,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:26,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:59:26,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-06 21:59:26,213 INFO L87 Difference]: Start difference. First operand 167 states and 236 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 21:59:26,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:26,714 INFO L93 Difference]: Finished difference Result 390 states and 549 transitions. [2023-11-06 21:59:26,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 21:59:26,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-06 21:59:26,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:26,719 INFO L225 Difference]: With dead ends: 390 [2023-11-06 21:59:26,719 INFO L226 Difference]: Without dead ends: 226 [2023-11-06 21:59:26,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2023-11-06 21:59:26,721 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 145 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:26,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 669 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 21:59:26,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2023-11-06 21:59:26,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 196. [2023-11-06 21:59:26,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 168 states have (on average 1.3571428571428572) internal successors, (228), 170 states have internal predecessors, (228), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 21 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 21:59:26,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 274 transitions. [2023-11-06 21:59:26,755 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 274 transitions. Word has length 118 [2023-11-06 21:59:26,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:26,756 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 274 transitions. [2023-11-06 21:59:26,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 21:59:26,757 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 274 transitions. [2023-11-06 21:59:26,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 21:59:26,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:26,760 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:26,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:26,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:26,968 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:26,968 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:26,968 INFO L85 PathProgramCache]: Analyzing trace with hash -2138542379, now seen corresponding path program 1 times [2023-11-06 21:59:26,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:26,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923533781] [2023-11-06 21:59:26,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:26,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:27,006 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:59:27,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [817091026] [2023-11-06 21:59:27,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:27,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:27,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:27,008 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:27,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 21:59:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:27,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-06 21:59:27,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:27,341 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:27,377 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:27,427 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:27,468 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:27,503 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:27,545 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:27,583 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:27,936 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 21:59:27,937 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 98 treesize of output 61 [2023-11-06 21:59:28,211 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 21:59:28,212 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 121 treesize of output 39 [2023-11-06 21:59:30,841 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 21:59:30,841 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:59:30,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:30,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923533781] [2023-11-06 21:59:30,842 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 21:59:30,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817091026] [2023-11-06 21:59:30,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817091026] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:30,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:30,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 21:59:30,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357394153] [2023-11-06 21:59:30,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:30,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 21:59:30,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:30,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 21:59:30,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=60, Unknown=1, NotChecked=0, Total=90 [2023-11-06 21:59:30,846 INFO L87 Difference]: Start difference. First operand 196 states and 274 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 21:59:34,918 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 21:59:42,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:42,469 INFO L93 Difference]: Finished difference Result 774 states and 1084 transitions. [2023-11-06 21:59:42,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 21:59:42,470 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-06 21:59:42,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:42,476 INFO L225 Difference]: With dead ends: 774 [2023-11-06 21:59:42,476 INFO L226 Difference]: Without dead ends: 593 [2023-11-06 21:59:42,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=74, Invalid=133, Unknown=3, NotChecked=0, Total=210 [2023-11-06 21:59:42,478 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 285 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 28 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:42,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 595 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 737 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2023-11-06 21:59:42,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2023-11-06 21:59:42,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 431. [2023-11-06 21:59:42,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 378 states have (on average 1.3783068783068784) internal successors, (521), 381 states have internal predecessors, (521), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 21:59:42,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 611 transitions. [2023-11-06 21:59:42,527 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 611 transitions. Word has length 118 [2023-11-06 21:59:42,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:42,528 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 611 transitions. [2023-11-06 21:59:42,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 21:59:42,528 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 611 transitions. [2023-11-06 21:59:42,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 21:59:42,531 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:42,531 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:42,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:42,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:42,740 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:42,740 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:42,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1463367253, now seen corresponding path program 1 times [2023-11-06 21:59:42,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:42,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919984734] [2023-11-06 21:59:42,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:42,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:42,793 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:59:42,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1625862613] [2023-11-06 21:59:42,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:42,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:42,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:42,796 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:42,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 21:59:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:43,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-06 21:59:43,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:43,117 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:43,211 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:43,362 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:43,544 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:43,648 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:43,733 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:43,831 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:44,133 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 21:59:44,133 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 46 treesize of output 45 [2023-11-06 21:59:44,621 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 21:59:44,621 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 60 [2023-11-06 21:59:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-06 21:59:44,644 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:59:45,894 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 21:59:45,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:45,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919984734] [2023-11-06 21:59:45,895 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 21:59:45,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625862613] [2023-11-06 21:59:45,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625862613] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 21:59:45,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:59:45,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 19 [2023-11-06 21:59:45,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613096143] [2023-11-06 21:59:45,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:45,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 21:59:45,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:45,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 21:59:45,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2023-11-06 21:59:45,898 INFO L87 Difference]: Start difference. First operand 431 states and 611 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 21:59:48,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:48,516 INFO L93 Difference]: Finished difference Result 975 states and 1379 transitions. [2023-11-06 21:59:48,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 21:59:48,520 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2023-11-06 21:59:48,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:48,525 INFO L225 Difference]: With dead ends: 975 [2023-11-06 21:59:48,525 INFO L226 Difference]: Without dead ends: 547 [2023-11-06 21:59:48,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2023-11-06 21:59:48,528 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 333 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:48,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 490 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-06 21:59:48,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2023-11-06 21:59:48,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 452. [2023-11-06 21:59:48,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 399 states have (on average 1.3884711779448622) internal successors, (554), 402 states have internal predecessors, (554), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 21:59:48,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 644 transitions. [2023-11-06 21:59:48,576 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 644 transitions. Word has length 118 [2023-11-06 21:59:48,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:48,576 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 644 transitions. [2023-11-06 21:59:48,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 21:59:48,577 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 644 transitions. [2023-11-06 21:59:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 21:59:48,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:48,580 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:48,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:48,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:48,792 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:48,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:48,792 INFO L85 PathProgramCache]: Analyzing trace with hash 876561239, now seen corresponding path program 1 times [2023-11-06 21:59:48,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:48,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489700701] [2023-11-06 21:59:48,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:48,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:48,845 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:59:48,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [381007626] [2023-11-06 21:59:48,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:48,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:48,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:48,850 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:48,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 21:59:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:49,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-06 21:59:49,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:49,191 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:49,268 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:49,401 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:49,511 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:49,594 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:49,692 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:49,805 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 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-06 21:59:50,090 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 21:59:50,091 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 46 treesize of output 45 [2023-11-06 21:59:50,408 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 21:59:50,409 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 23 [2023-11-06 21:59:50,499 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 21:59:50,500 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:59:50,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:50,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489700701] [2023-11-06 21:59:50,500 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 21:59:50,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381007626] [2023-11-06 21:59:50,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381007626] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:50,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:50,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 21:59:50,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529058308] [2023-11-06 21:59:50,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:50,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 21:59:50,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:50,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 21:59:50,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:59:50,503 INFO L87 Difference]: Start difference. First operand 452 states and 644 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 21:59:53,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:53,253 INFO L93 Difference]: Finished difference Result 1014 states and 1434 transitions. [2023-11-06 21:59:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 21:59:53,254 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-06 21:59:53,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:53,261 INFO L225 Difference]: With dead ends: 1014 [2023-11-06 21:59:53,261 INFO L226 Difference]: Without dead ends: 563 [2023-11-06 21:59:53,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-06 21:59:53,270 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 217 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:53,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 637 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-06 21:59:53,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2023-11-06 21:59:53,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 451. [2023-11-06 21:59:53,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 398 states have (on average 1.3869346733668342) internal successors, (552), 401 states have internal predecessors, (552), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-06 21:59:53,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 642 transitions. [2023-11-06 21:59:53,328 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 642 transitions. Word has length 118 [2023-11-06 21:59:53,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:53,329 INFO L495 AbstractCegarLoop]: Abstraction has 451 states and 642 transitions. [2023-11-06 21:59:53,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 21:59:53,330 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 642 transitions. [2023-11-06 21:59:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 21:59:53,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:53,334 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:53,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:53,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:53,542 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:53,542 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:53,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1169973619, now seen corresponding path program 1 times [2023-11-06 21:59:53,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:53,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927743370] [2023-11-06 21:59:53,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:53,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:53,578 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:59:53,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2083213489] [2023-11-06 21:59:53,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:53,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:53,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:53,580 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:53,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 21:59:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:59:54,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:59:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:59:54,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:59:54,377 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 21:59:54,378 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 21:59:54,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:54,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 21:59:54,594 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:54,599 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:59:54,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:59:54 BoogieIcfgContainer [2023-11-06 21:59:54,692 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:59:54,692 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:59:54,693 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:59:54,693 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:59:54,694 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:18" (3/4) ... [2023-11-06 21:59:54,696 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 21:59:54,698 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:59:54,699 INFO L158 Benchmark]: Toolchain (without parser) took 37817.44ms. Allocated memory was 138.4MB in the beginning and 218.1MB in the end (delta: 79.7MB). Free memory was 78.0MB in the beginning and 158.0MB in the end (delta: -80.0MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2023-11-06 21:59:54,699 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory was 103.0MB in the beginning and 103.0MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:59:54,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.82ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 78.0MB in the beginning and 151.4MB in the end (delta: -73.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-06 21:59:54,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.56ms. Allocated memory is still 180.4MB. Free memory was 151.4MB in the beginning and 148.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:59:54,701 INFO L158 Benchmark]: Boogie Preprocessor took 73.28ms. Allocated memory is still 180.4MB. Free memory was 148.0MB in the beginning and 145.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:59:54,701 INFO L158 Benchmark]: RCFGBuilder took 1073.67ms. Allocated memory is still 180.4MB. Free memory was 145.1MB in the beginning and 119.1MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-06 21:59:54,702 INFO L158 Benchmark]: TraceAbstraction took 36088.36ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 117.8MB in the beginning and 158.0MB in the end (delta: -40.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:59:54,702 INFO L158 Benchmark]: Witness Printer took 5.66ms. Allocated memory is still 218.1MB. Free memory is still 158.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:59:54,704 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory was 103.0MB in the beginning and 103.0MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.82ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 78.0MB in the beginning and 151.4MB in the end (delta: -73.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.56ms. Allocated memory is still 180.4MB. Free memory was 151.4MB in the beginning and 148.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.28ms. Allocated memory is still 180.4MB. Free memory was 148.0MB in the beginning and 145.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1073.67ms. Allocated memory is still 180.4MB. Free memory was 145.1MB in the beginning and 119.1MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 36088.36ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 117.8MB in the beginning and 158.0MB in the end (delta: -40.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.66ms. Allocated memory is still 218.1MB. Free memory is still 158.0MB. 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 someBinaryDOUBLEComparisonOperation at line 116. Possible FailurePath: [L35] unsigned char isInitial = 0; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { 1, 31.75, -8, 0, 0, 1, 1, -4, 32, -25, 4 }; [L49] unsigned char last_1_WrapperStruct00_var_1_1 = 1; [L50] signed short int last_1_WrapperStruct00_var_1_10 = -4; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L120] isInitial = 1 [L121] FCALL initially() [L122] COND TRUE 1 [L123] CALL updateLastVariables() [L112] EXPR WrapperStruct00.var_1_1 [L112] last_1_WrapperStruct00_var_1_1 = WrapperStruct00.var_1_1 [L113] EXPR WrapperStruct00.var_1_10 [L113] last_1_WrapperStruct00_var_1_10 = WrapperStruct00.var_1_10 [L123] RET updateLastVariables() [L124] CALL updateVariables() [L89] WrapperStruct00.var_1_2 = __VERIFIER_nondet_double() [L90] EXPR WrapperStruct00.var_1_2 [L90] EXPR WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F [L90] EXPR WrapperStruct00.var_1_2 [L90] EXPR WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F VAL [WrapperStruct00.var_1_2=7, WrapperStruct00.var_1_2=7, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L90] EXPR (WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F ) VAL [(WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )=1, WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F=1, WrapperStruct00.var_1_2=7, WrapperStruct00.var_1_2=7, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L90] CALL assume_abort_if_not((WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L90] RET assume_abort_if_not((WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [(WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )=1, WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F=1, WrapperStruct00.var_1_2=7, WrapperStruct00.var_1_2=7, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L91] WrapperStruct00.var_1_4 = __VERIFIER_nondet_char() [L92] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00.var_1_4=-27, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= -128) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= -128) VAL [WrapperStruct00.var_1_4=-27, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L93] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00.var_1_4=-27, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 127) VAL [WrapperStruct00.var_1_4=-27, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L94] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00.var_1_4=-27, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_4 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_4 != 0) VAL [WrapperStruct00.var_1_4=-27, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L95] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L96] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00.var_1_6=-256, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00.var_1_6=-256, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L97] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00.var_1_6=-256, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 0) VAL [WrapperStruct00.var_1_6=-256, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L98] WrapperStruct00.var_1_7 = __VERIFIER_nondet_uchar() [L99] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00.var_1_7=0, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00.var_1_7=0, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L100] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00.var_1_7=0, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 0) VAL [WrapperStruct00.var_1_7=0, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L101] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L102] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00.var_1_9=-255, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L102] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 1) VAL [WrapperStruct00.var_1_9=-255, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L103] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00.var_1_9=-255, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 1) VAL [WrapperStruct00.var_1_9=-255, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L104] WrapperStruct00.var_1_12 = __VERIFIER_nondet_short() [L105] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00.var_1_12=252, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= -1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= -1) VAL [WrapperStruct00.var_1_12=252, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L106] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00.var_1_12=252, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 32766) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 32766) VAL [WrapperStruct00.var_1_12=252, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L107] WrapperStruct00.var_1_16 = __VERIFIER_nondet_char() [L108] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00.var_1_16=4, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L108] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= -127) VAL [WrapperStruct00.var_1_16=4, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L109] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00.var_1_16=4, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 126) VAL [WrapperStruct00.var_1_16=4, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L124] RET updateVariables() [L125] CALL step() [L54] EXPR WrapperStruct00.var_1_12 [L54] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00.var_1_12=252, WrapperStruct00.var_1_4=-27, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L54] COND FALSE !(last_1_WrapperStruct00_var_1_10 <= (WrapperStruct00.var_1_12 / WrapperStruct00.var_1_4)) [L59] EXPR WrapperStruct00.var_1_4 [L59] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00.var_1_13=-25, WrapperStruct00.var_1_4=-27, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L59] EXPR ((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13) [L59] EXPR WrapperStruct00.var_1_4 [L59] EXPR ((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13) VAL [((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13)=-27, WrapperStruct00.var_1_13=-25, WrapperStruct00.var_1_4=-27, WrapperStruct00.var_1_4=-27, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L59] signed long int stepLocal_1 = (((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13)); [L60] EXPR WrapperStruct00.var_1_13 [L60] EXPR WrapperStruct00.var_1_4 [L60] signed long int stepLocal_0 = WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4; [L61] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00.var_1_2=7, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1, stepLocal_0=0, stepLocal_1=-27] [L61] COND TRUE (- WrapperStruct00.var_1_2) >= 16.75 [L62] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00.var_1_13=-25, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1, stepLocal_0=0, stepLocal_1=-27] [L62] COND TRUE stepLocal_0 >= WrapperStruct00.var_1_13 [L63] COND TRUE stepLocal_1 > -32 [L64] WrapperStruct00.var_1_1 = 0 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1, stepLocal_0=0, stepLocal_1=-27] [L78] EXPR WrapperStruct00.var_1_13 [L78] signed char stepLocal_2 = WrapperStruct00.var_1_13; [L79] EXPR WrapperStruct00.var_1_13 [L79] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00.var_1_13=-25, WrapperStruct00.var_1_13=-25, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1, stepLocal_0=0, stepLocal_1=-27, stepLocal_2=-25] [L79] EXPR WrapperStruct00.var_1_13 | WrapperStruct00.var_1_13 VAL [WrapperStruct00.var_1_13 | WrapperStruct00.var_1_13=-25, WrapperStruct00.var_1_13=-25, WrapperStruct00.var_1_13=-25, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1, stepLocal_0=0, stepLocal_1=-27, stepLocal_2=-25] [L79] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00.var_1_13 | WrapperStruct00.var_1_13=-25, WrapperStruct00.var_1_13=-25, WrapperStruct00.var_1_13=-25, WrapperStruct00.var_1_4=-27, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1, stepLocal_0=0, stepLocal_1=-27, stepLocal_2=-25] [L79] COND TRUE ((WrapperStruct00.var_1_13 | WrapperStruct00.var_1_13) + WrapperStruct00.var_1_4) < stepLocal_2 [L80] EXPR WrapperStruct00.var_1_12 [L80] WrapperStruct00.var_1_10 = (WrapperStruct00.var_1_12 - 256) [L84] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00.var_1_4=-27, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1, stepLocal_0=0, stepLocal_1=-27, stepLocal_2=-25] [L84] COND FALSE !(1 == WrapperStruct00.var_1_4) [L125] RET step() [L126] CALL, EXPR property() [L116] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00.var_1_2=7, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L116] EXPR ((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1)) [L116] EXPR WrapperStruct00.var_1_1 [L116] EXPR ((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1)) VAL [((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))=0, WrapperStruct00.var_1_1=0, WrapperStruct00.var_1_2=7, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L116] EXPR (((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))) && ((1 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_9)) : 1) VAL [(((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))) && ((1 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_9)) : 1)=0, ((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))=0, WrapperStruct00.var_1_1=0, WrapperStruct00.var_1_2=7, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L116] EXPR ((((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))) && ((1 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_9)) : 1)) && ((((WrapperStruct00.var_1_13 | WrapperStruct00.var_1_13) + WrapperStruct00.var_1_4) < WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_10 == ((signed short int) (WrapperStruct00.var_1_12 - 256))) : (WrapperStruct00.var_1_10 == ((signed short int) 128))) VAL [((((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))) && ((1 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_9)) : 1)) && ((((WrapperStruct00.var_1_13 | WrapperStruct00.var_1_13) + WrapperStruct00.var_1_4) < WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_10 == ((signed short int) (WrapperStruct00.var_1_12 - 256))) : (WrapperStruct00.var_1_10 == ((signed short int) 128)))=0, (((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))) && ((1 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_9)) : 1)=0, ((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))=0, WrapperStruct00.var_1_1=0, WrapperStruct00.var_1_2=7, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L116] EXPR (((((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))) && ((1 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_9)) : 1)) && ((((WrapperStruct00.var_1_13 | WrapperStruct00.var_1_13) + WrapperStruct00.var_1_4) < WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_10 == ((signed short int) (WrapperStruct00.var_1_12 - 256))) : (WrapperStruct00.var_1_10 == ((signed short int) 128)))) && ((last_1_WrapperStruct00_var_1_10 <= (WrapperStruct00.var_1_12 / WrapperStruct00.var_1_4)) ? (last_1_WrapperStruct00_var_1_1 ? (WrapperStruct00.var_1_13 == ((signed char) WrapperStruct00.var_1_16)) : 1) : 1) VAL [(((((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))) && ((1 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_9)) : 1)) && ((((WrapperStruct00.var_1_13 | WrapperStruct00.var_1_13) + WrapperStruct00.var_1_4) < WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_10 == ((signed short int) (WrapperStruct00.var_1_12 - 256))) : (WrapperStruct00.var_1_10 == ((signed short int) 128)))) && ((last_1_WrapperStruct00_var_1_10 <= (WrapperStruct00.var_1_12 / WrapperStruct00.var_1_4)) ? (last_1_WrapperStruct00_var_1_1 ? (WrapperStruct00.var_1_13 == ((signed char) WrapperStruct00.var_1_16)) : 1) : 1)=0, ((((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))) && ((1 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_9)) : 1)) && ((((WrapperStruct00.var_1_13 | WrapperStruct00.var_1_13) + WrapperStruct00.var_1_4) < WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_10 == ((signed short int) (WrapperStruct00.var_1_12 - 256))) : (WrapperStruct00.var_1_10 == ((signed short int) 128)))=0, (((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))) && ((1 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_9)) : 1)=0, ((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))=0, WrapperStruct00.var_1_1=0, WrapperStruct00.var_1_2=7, WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L116-L117] return (((((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))) && ((1 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_9)) : 1)) && ((((WrapperStruct00.var_1_13 | WrapperStruct00.var_1_13) + WrapperStruct00.var_1_4) < WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_10 == ((signed short int) (WrapperStruct00.var_1_12 - 256))) : (WrapperStruct00.var_1_10 == ((signed short int) 128)))) && ((last_1_WrapperStruct00_var_1_10 <= (WrapperStruct00.var_1_12 / WrapperStruct00.var_1_4)) ? (last_1_WrapperStruct00_var_1_1 ? (WrapperStruct00.var_1_13 == ((signed char) WrapperStruct00.var_1_16)) : 1) : 1) ; [L126] RET, EXPR property() [L126] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.9s, OverallIterations: 10, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 19.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 1403 SdHoareTripleChecker+Valid, 12.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1403 mSDsluCounter, 4265 SdHoareTripleChecker+Invalid, 11.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3185 mSDsCounter, 117 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2933 IncrementalHoareTripleChecker+Invalid, 3051 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 117 mSolverCounterUnsat, 1080 mSDtfsCounter, 2933 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1423 GetRequests, 1338 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=452occurred in iteration=8, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 677 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 1290 NumberOfCodeBlocks, 1290 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1396 ConstructedInterpolants, 1 QuantifiedInterpolants, 7173 SizeOfPredicates, 46 NumberOfNonLiveVariables, 3361 ConjunctsInSsa, 150 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 4287/4368 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 21:59:54,944 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-06 21:59:54,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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 53cf1c89f0977ad1ca8f0cd80861a2586d1d5ed487af656b04baa58a1567d392 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:59:57,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:59:58,091 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 21:59:58,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:59:58,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:59:58,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:59:58,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:59:58,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:59:58,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:59:58,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:59:58,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:59:58,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:59:58,140 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:59:58,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:59:58,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:59:58,142 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:59:58,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:59:58,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:59:58,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:59:58,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:59:58,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:59:58,146 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:59:58,147 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:59:58,147 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:59:58,148 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:59:58,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:59:58,149 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:59:58,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:59:58,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:59:58,151 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:59:58,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:58,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:59:58,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:59:58,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:59:58,154 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 21:59:58,154 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:59:58,155 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:59:58,155 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:59:58,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:59:58,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:59:58,156 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 21:59:58,157 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:59:58,157 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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53cf1c89f0977ad1ca8f0cd80861a2586d1d5ed487af656b04baa58a1567d392 [2023-11-06 21:59:58,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:59:58,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:59:58,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:59:58,729 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:59:58,730 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:59:58,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i [2023-11-06 22:00:02,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:00:03,032 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:00:03,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i [2023-11-06 22:00:03,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/data/c1dcd3932/01f2dd9e5bf44267930587d47ddc6cef/FLAG4c0ce87f1 [2023-11-06 22:00:03,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/data/c1dcd3932/01f2dd9e5bf44267930587d47ddc6cef [2023-11-06 22:00:03,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:00:03,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:00:03,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:00:03,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:00:03,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:00:03,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:00:03" (1/1) ... [2023-11-06 22:00:03,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4e92b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:03, skipping insertion in model container [2023-11-06 22:00:03,105 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:00:03" (1/1) ... [2023-11-06 22:00:03,152 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:00:03,377 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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i[916,929] [2023-11-06 22:00:03,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:00:03,471 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:00:03,508 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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i[916,929] [2023-11-06 22:00:03,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:00:03,663 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:00:03,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:03 WrapperNode [2023-11-06 22:00:03,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:00:03,668 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:00:03,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:00:03,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:00:03,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:03" (1/1) ... [2023-11-06 22:00:03,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:03" (1/1) ... [2023-11-06 22:00:03,784 INFO L138 Inliner]: procedures = 33, calls = 127, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 331 [2023-11-06 22:00:03,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:00:03,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:00:03,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:00:03,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:00:03,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:03" (1/1) ... [2023-11-06 22:00:03,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:03" (1/1) ... [2023-11-06 22:00:03,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:03" (1/1) ... [2023-11-06 22:00:03,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:03" (1/1) ... [2023-11-06 22:00:03,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:03" (1/1) ... [2023-11-06 22:00:03,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:03" (1/1) ... [2023-11-06 22:00:03,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:03" (1/1) ... [2023-11-06 22:00:03,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:03" (1/1) ... [2023-11-06 22:00:03,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:00:03,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:00:03,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:00:03,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:00:03,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:03" (1/1) ... [2023-11-06 22:00:03,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:00:03,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:00:03,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:00:03,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:00:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:00:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-06 22:00:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-06 22:00:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-06 22:00:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-06 22:00:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:00:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-06 22:00:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-06 22:00:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:00:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:00:03,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:00:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:00:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-06 22:00:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-06 22:00:04,147 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:00:04,150 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:00:05,089 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:00:05,100 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:00:05,101 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:00:05,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:00:05 BoogieIcfgContainer [2023-11-06 22:00:05,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:00:05,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:00:05,111 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:00:05,115 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:00:05,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:00:03" (1/3) ... [2023-11-06 22:00:05,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4431dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:00:05, skipping insertion in model container [2023-11-06 22:00:05,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:03" (2/3) ... [2023-11-06 22:00:05,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4431dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:00:05, skipping insertion in model container [2023-11-06 22:00:05,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:00:05" (3/3) ... [2023-11-06 22:00:05,122 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-46.i [2023-11-06 22:00:05,147 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:00:05,148 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:00:05,234 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:00:05,243 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;@15d854b3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:00:05,244 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:00:05,250 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 77 states have internal predecessors, (107), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:00:05,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-06 22:00:05,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:00:05,279 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:00:05,280 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:00:05,291 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:00:05,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1562789831, now seen corresponding path program 1 times [2023-11-06 22:00:05,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:00:05,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778231568] [2023-11-06 22:00:05,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:00:05,314 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 22:00:05,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:00:05,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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 22:00:05,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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 22:00:05,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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)] Forceful destruction successful, exit code 139 [2023-11-06 22:00:05,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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 [2023-11-06 22:00:05,857 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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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 22:00:05,863 INFO L158 Benchmark]: Toolchain (without parser) took 2770.04ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 47.0MB in the beginning and 60.3MB in the end (delta: -13.2MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-11-06 22:00:05,863 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 75.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:00:05,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.03ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 46.9MB in the beginning and 86.4MB in the end (delta: -39.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-11-06 22:00:05,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.27ms. Allocated memory is still 111.1MB. Free memory was 86.4MB in the beginning and 83.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:00:05,866 INFO L158 Benchmark]: Boogie Preprocessor took 87.88ms. Allocated memory is still 111.1MB. Free memory was 83.1MB in the beginning and 80.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:00:05,867 INFO L158 Benchmark]: RCFGBuilder took 1231.33ms. Allocated memory is still 111.1MB. Free memory was 80.1MB in the beginning and 80.7MB in the end (delta: -516.0kB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-11-06 22:00:05,874 INFO L158 Benchmark]: TraceAbstraction took 750.65ms. Allocated memory is still 111.1MB. Free memory was 80.1MB in the beginning and 60.3MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 22:00:05,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 75.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 571.03ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 46.9MB in the beginning and 86.4MB in the end (delta: -39.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.27ms. Allocated memory is still 111.1MB. Free memory was 86.4MB in the beginning and 83.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.88ms. Allocated memory is still 111.1MB. Free memory was 83.1MB in the beginning and 80.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1231.33ms. Allocated memory is still 111.1MB. Free memory was 80.1MB in the beginning and 80.7MB in the end (delta: -516.0kB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * TraceAbstraction took 750.65ms. Allocated memory is still 111.1MB. Free memory was 80.1MB in the beginning and 60.3MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. 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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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 22:00:05,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_c7fe5b77-4a20-4b20-8db7-14e4afa88b51/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.