./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-44.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_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/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_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-44.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/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_63d7c985-92ca-4a39-925f-8178e77d62df/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 f5e750e5fa316e30fef8e3158d304f9d418ce308f7b74e89da459ba726747abe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:03:28,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:03:28,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:03:28,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:03:28,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:03:28,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:03:28,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:03:28,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:03:28,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:03:28,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:03:28,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:03:28,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:03:28,608 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:03:28,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:03:28,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:03:28,612 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:03:28,612 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:03:28,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:03:28,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:03:28,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:03:28,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:03:28,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:03:28,616 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:03:28,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:03:28,618 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:03:28,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:03:28,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:03:28,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:03:28,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:03:28,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:03:28,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:03:28,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:03:28,624 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:03:28,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:03:28,625 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:03:28,625 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:03:28,626 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:03:28,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:03:28,626 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:03:28,627 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_63d7c985-92ca-4a39-925f-8178e77d62df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5e750e5fa316e30fef8e3158d304f9d418ce308f7b74e89da459ba726747abe [2023-11-06 23:03:29,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:03:29,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:03:29,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:03:29,091 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:03:29,092 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:03:29,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-44.i [2023-11-06 23:03:32,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:03:32,596 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:03:32,597 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-44.i [2023-11-06 23:03:32,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/data/bb5eee978/d1598f24571b4be68d968373d9249eca/FLAG6de7b11a3 [2023-11-06 23:03:32,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/data/bb5eee978/d1598f24571b4be68d968373d9249eca [2023-11-06 23:03:32,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:03:32,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:03:32,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:32,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:03:32,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:03:32,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:32" (1/1) ... [2023-11-06 23:03:32,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee7073b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:32, skipping insertion in model container [2023-11-06 23:03:32,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:32" (1/1) ... [2023-11-06 23:03:32,668 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:03:32,861 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_63d7c985-92ca-4a39-925f-8178e77d62df/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-44.i[916,929] [2023-11-06 23:03:32,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:32,944 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:03:32,959 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_63d7c985-92ca-4a39-925f-8178e77d62df/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-44.i[916,929] [2023-11-06 23:03:33,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:33,035 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:03:33,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33 WrapperNode [2023-11-06 23:03:33,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:33,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:33,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:03:33,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:03:33,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,125 INFO L138 Inliner]: procedures = 29, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 431 [2023-11-06 23:03:33,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:33,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:03:33,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:03:33,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:03:33,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,199 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:03:33,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:03:33,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:03:33,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:03:33,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:03:33,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:33,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:03:33,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:03:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:03:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-06 23:03:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:03:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-06 23:03:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:03:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-06 23:03:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:03:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:03:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:03:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:03:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:03:33,567 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:03:33,570 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:03:34,190 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:03:34,198 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:03:34,198 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:03:34,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:34 BoogieIcfgContainer [2023-11-06 23:03:34,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:03:34,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:03:34,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:03:34,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:03:34,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:03:32" (1/3) ... [2023-11-06 23:03:34,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6746aabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:03:34, skipping insertion in model container [2023-11-06 23:03:34,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (2/3) ... [2023-11-06 23:03:34,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6746aabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:03:34, skipping insertion in model container [2023-11-06 23:03:34,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:34" (3/3) ... [2023-11-06 23:03:34,218 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-44.i [2023-11-06 23:03:34,240 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:03:34,240 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:03:34,318 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:03:34,327 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;@2af334cb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:03:34,328 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:03:34,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 94 states have (on average 1.3829787234042554) internal successors, (130), 95 states have internal predecessors, (130), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 23:03:34,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 23:03:34,358 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:34,359 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:34,360 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:34,376 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:34,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1924656963, now seen corresponding path program 1 times [2023-11-06 23:03:34,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:34,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637707558] [2023-11-06 23:03:34,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:34,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:34,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:34,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637707558] [2023-11-06 23:03:34,777 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 23:03:34,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831217348] [2023-11-06 23:03:34,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:34,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:34,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:34,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:34,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:03:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:35,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:03:35,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-11-06 23:03:35,213 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:35,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831217348] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:35,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:35,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:03:35,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469331677] [2023-11-06 23:03:35,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:35,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:03:35,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:35,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:03:35,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:03:35,267 INFO L87 Difference]: Start difference. First operand has 118 states, 94 states have (on average 1.3829787234042554) internal successors, (130), 95 states have internal predecessors, (130), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 23:03:35,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:35,308 INFO L93 Difference]: Finished difference Result 229 states and 359 transitions. [2023-11-06 23:03:35,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:03:35,310 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 159 [2023-11-06 23:03:35,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:35,320 INFO L225 Difference]: With dead ends: 229 [2023-11-06 23:03:35,321 INFO L226 Difference]: Without dead ends: 114 [2023-11-06 23:03:35,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 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 23:03:35,329 INFO L413 NwaCegarLoop]: 165 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, 165 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 23:03:35,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:03:35,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-06 23:03:35,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-11-06 23:03:35,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 91 states have (on average 1.3516483516483517) internal successors, (123), 91 states have internal predecessors, (123), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 23:03:35,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 165 transitions. [2023-11-06 23:03:35,391 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 165 transitions. Word has length 159 [2023-11-06 23:03:35,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:35,392 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 165 transitions. [2023-11-06 23:03:35,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 23:03:35,393 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 165 transitions. [2023-11-06 23:03:35,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 23:03:35,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:35,398 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:35,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:35,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 23:03:35,608 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:35,608 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:35,609 INFO L85 PathProgramCache]: Analyzing trace with hash -781629009, now seen corresponding path program 1 times [2023-11-06 23:03:35,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:35,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222766882] [2023-11-06 23:03:35,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:35,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:35,767 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:35,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [946911762] [2023-11-06 23:03:35,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:35,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:35,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:35,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:35,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:03:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:36,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:03:36,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:36,104 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 23:03:36,104 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:36,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:36,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222766882] [2023-11-06 23:03:36,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:36,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946911762] [2023-11-06 23:03:36,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946911762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:36,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:36,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:03:36,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095629826] [2023-11-06 23:03:36,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:36,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:03:36,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:36,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:03:36,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:03:36,110 INFO L87 Difference]: Start difference. First operand 114 states and 165 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 23:03:36,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:36,175 INFO L93 Difference]: Finished difference Result 231 states and 336 transitions. [2023-11-06 23:03:36,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:03:36,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 159 [2023-11-06 23:03:36,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:36,179 INFO L225 Difference]: With dead ends: 231 [2023-11-06 23:03:36,179 INFO L226 Difference]: Without dead ends: 120 [2023-11-06 23:03:36,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:03:36,183 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 10 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:36,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 483 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:03:36,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-06 23:03:36,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 116. [2023-11-06 23:03:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 93 states have (on average 1.3440860215053763) internal successors, (125), 93 states have internal predecessors, (125), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 23:03:36,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 167 transitions. [2023-11-06 23:03:36,203 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 167 transitions. Word has length 159 [2023-11-06 23:03:36,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:36,204 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 167 transitions. [2023-11-06 23:03:36,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 23:03:36,205 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 167 transitions. [2023-11-06 23:03:36,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 23:03:36,209 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:36,209 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:36,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:36,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:36,417 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:36,417 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:36,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1483228883, now seen corresponding path program 1 times [2023-11-06 23:03:36,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:36,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913476049] [2023-11-06 23:03:36,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:36,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:36,494 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:36,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2073176034] [2023-11-06 23:03:36,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:36,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:36,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:36,499 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:36,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:03:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:36,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:03:36,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:36,767 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:03:36,767 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:36,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:36,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913476049] [2023-11-06 23:03:36,768 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:36,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073176034] [2023-11-06 23:03:36,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073176034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:36,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:36,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:03:36,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43941355] [2023-11-06 23:03:36,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:36,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:03:36,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:36,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:03:36,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:03:36,773 INFO L87 Difference]: Start difference. First operand 116 states and 167 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:36,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:36,824 INFO L93 Difference]: Finished difference Result 233 states and 336 transitions. [2023-11-06 23:03:36,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:03:36,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2023-11-06 23:03:36,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:36,833 INFO L225 Difference]: With dead ends: 233 [2023-11-06 23:03:36,836 INFO L226 Difference]: Without dead ends: 120 [2023-11-06 23:03:36,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:03:36,843 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 3 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:36,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 478 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:03:36,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-06 23:03:36,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2023-11-06 23:03:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 95 states have internal predecessors, (127), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 23:03:36,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2023-11-06 23:03:36,886 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 159 [2023-11-06 23:03:36,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:36,887 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2023-11-06 23:03:36,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:36,888 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2023-11-06 23:03:36,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 23:03:36,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:36,892 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:36,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-06 23:03:37,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:37,099 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:37,100 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:37,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1481381841, now seen corresponding path program 1 times [2023-11-06 23:03:37,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:37,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693406546] [2023-11-06 23:03:37,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:37,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:37,192 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:37,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [247078422] [2023-11-06 23:03:37,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:37,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:37,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:37,195 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:37,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 23:03:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:37,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 23:03:37,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:37,532 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 17 treesize of output 17 [2023-11-06 23:03:37,557 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:37,557 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 20 [2023-11-06 23:03:37,616 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-06 23:03:37,616 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:03:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:03:37,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:37,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693406546] [2023-11-06 23:03:37,748 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:37,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247078422] [2023-11-06 23:03:37,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247078422] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 23:03:37,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:03:37,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2023-11-06 23:03:37,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355371910] [2023-11-06 23:03:37,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:37,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:03:37,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:37,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:03:37,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:03:37,752 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:38,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:38,105 INFO L93 Difference]: Finished difference Result 310 states and 445 transitions. [2023-11-06 23:03:38,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:03:38,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2023-11-06 23:03:38,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:38,109 INFO L225 Difference]: With dead ends: 310 [2023-11-06 23:03:38,109 INFO L226 Difference]: Without dead ends: 195 [2023-11-06 23:03:38,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:03:38,112 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 143 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:38,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 561 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 23:03:38,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-11-06 23:03:38,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 136. [2023-11-06 23:03:38,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 113 states have (on average 1.3628318584070795) internal successors, (154), 113 states have internal predecessors, (154), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 23:03:38,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2023-11-06 23:03:38,131 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 159 [2023-11-06 23:03:38,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:38,133 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2023-11-06 23:03:38,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:38,133 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2023-11-06 23:03:38,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-06 23:03:38,137 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:38,137 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:38,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:38,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:38,344 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:38,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:38,345 INFO L85 PathProgramCache]: Analyzing trace with hash -390938977, now seen corresponding path program 1 times [2023-11-06 23:03:38,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:38,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758506329] [2023-11-06 23:03:38,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:38,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:38,398 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:38,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [344885750] [2023-11-06 23:03:38,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:38,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:38,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:38,400 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:38,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 23:03:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:38,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 23:03:38,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:38,739 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:38,740 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 41 treesize of output 35 [2023-11-06 23:03:38,763 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:38,764 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 45 treesize of output 35 [2023-11-06 23:03:38,800 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:38,800 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 53 treesize of output 17 [2023-11-06 23:03:38,821 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:03:38,821 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:38,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:38,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758506329] [2023-11-06 23:03:38,822 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:38,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344885750] [2023-11-06 23:03:38,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344885750] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:38,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:38,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:03:38,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647162746] [2023-11-06 23:03:38,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:38,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:03:38,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:38,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:03:38,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:03:38,827 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:39,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:39,270 INFO L93 Difference]: Finished difference Result 336 states and 480 transitions. [2023-11-06 23:03:39,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:03:39,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 160 [2023-11-06 23:03:39,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:39,275 INFO L225 Difference]: With dead ends: 336 [2023-11-06 23:03:39,275 INFO L226 Difference]: Without dead ends: 203 [2023-11-06 23:03:39,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 156 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 23:03:39,277 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 109 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:39,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 674 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 23:03:39,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-11-06 23:03:39,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 177. [2023-11-06 23:03:39,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 151 states have (on average 1.3576158940397351) internal successors, (205), 152 states have internal predecessors, (205), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 23:03:39,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 251 transitions. [2023-11-06 23:03:39,314 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 251 transitions. Word has length 160 [2023-11-06 23:03:39,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:39,318 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 251 transitions. [2023-11-06 23:03:39,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:39,319 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 251 transitions. [2023-11-06 23:03:39,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-06 23:03:39,322 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:39,322 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:39,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:39,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:39,523 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:39,523 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:39,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1793675834, now seen corresponding path program 1 times [2023-11-06 23:03:39,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:39,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468426443] [2023-11-06 23:03:39,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:39,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:39,570 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:39,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [263422957] [2023-11-06 23:03:39,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:39,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:39,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:39,571 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:39,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 23:03:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:39,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:03:39,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:39,833 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:03:39,833 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:39,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:39,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468426443] [2023-11-06 23:03:39,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:39,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263422957] [2023-11-06 23:03:39,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263422957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:39,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:39,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:03:39,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921693014] [2023-11-06 23:03:39,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:39,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:03:39,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:39,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:03:39,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:03:39,839 INFO L87 Difference]: Start difference. First operand 177 states and 251 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:39,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:39,901 INFO L93 Difference]: Finished difference Result 383 states and 545 transitions. [2023-11-06 23:03:39,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:03:39,902 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 161 [2023-11-06 23:03:39,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:39,907 INFO L225 Difference]: With dead ends: 383 [2023-11-06 23:03:39,907 INFO L226 Difference]: Without dead ends: 209 [2023-11-06 23:03:39,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 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 23:03:39,910 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 78 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 616 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 23:03:39,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 616 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:03:39,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2023-11-06 23:03:39,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 183. [2023-11-06 23:03:39,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 157 states have (on average 1.3439490445859872) internal successors, (211), 158 states have internal predecessors, (211), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 23:03:39,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 257 transitions. [2023-11-06 23:03:39,943 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 257 transitions. Word has length 161 [2023-11-06 23:03:39,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:39,944 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 257 transitions. [2023-11-06 23:03:39,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:39,944 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 257 transitions. [2023-11-06 23:03:39,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-06 23:03:39,947 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:39,948 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:39,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:40,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 23:03:40,164 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:40,164 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:40,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1401103225, now seen corresponding path program 1 times [2023-11-06 23:03:40,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:40,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218221299] [2023-11-06 23:03:40,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:40,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:40,229 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:40,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [881500153] [2023-11-06 23:03:40,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:40,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:40,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:40,230 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:40,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 23:03:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:40,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 23:03:40,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:40,529 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:40,529 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 39 treesize of output 33 [2023-11-06 23:03:40,549 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:40,549 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 43 treesize of output 33 [2023-11-06 23:03:40,581 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:40,581 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 51 treesize of output 15 [2023-11-06 23:03:40,595 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:03:40,595 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:40,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:40,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218221299] [2023-11-06 23:03:40,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:40,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881500153] [2023-11-06 23:03:40,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881500153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:40,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:40,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:03:40,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990231627] [2023-11-06 23:03:40,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:40,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:03:40,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:40,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:03:40,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:03:40,599 INFO L87 Difference]: Start difference. First operand 183 states and 257 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:40,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:40,941 INFO L93 Difference]: Finished difference Result 364 states and 507 transitions. [2023-11-06 23:03:40,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:03:40,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 163 [2023-11-06 23:03:40,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:40,944 INFO L225 Difference]: With dead ends: 364 [2023-11-06 23:03:40,944 INFO L226 Difference]: Without dead ends: 184 [2023-11-06 23:03:40,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 159 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 23:03:40,946 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 97 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:40,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 455 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 23:03:40,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-11-06 23:03:40,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 143. [2023-11-06 23:03:40,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 119 states have (on average 1.3277310924369747) internal successors, (158), 119 states have internal predecessors, (158), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 23:03:40,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 200 transitions. [2023-11-06 23:03:40,957 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 200 transitions. Word has length 163 [2023-11-06 23:03:40,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:40,958 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 200 transitions. [2023-11-06 23:03:40,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:40,959 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 200 transitions. [2023-11-06 23:03:40,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-06 23:03:40,961 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:40,961 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:40,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:41,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-06 23:03:41,169 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:41,169 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:41,169 INFO L85 PathProgramCache]: Analyzing trace with hash 2045035359, now seen corresponding path program 1 times [2023-11-06 23:03:41,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:41,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724548159] [2023-11-06 23:03:41,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:41,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:41,214 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:41,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1823383297] [2023-11-06 23:03:41,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:41,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:41,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:41,216 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:41,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 23:03:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:41,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:03:41,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:41,500 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-06 23:03:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:03:41,508 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:41,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:41,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724548159] [2023-11-06 23:03:41,509 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:41,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823383297] [2023-11-06 23:03:41,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823383297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:41,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:41,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:03:41,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485137239] [2023-11-06 23:03:41,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:41,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:03:41,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:41,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:03:41,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:03:41,512 INFO L87 Difference]: Start difference. First operand 143 states and 200 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:41,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:41,531 INFO L93 Difference]: Finished difference Result 300 states and 421 transitions. [2023-11-06 23:03:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:03:41,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 163 [2023-11-06 23:03:41,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:41,534 INFO L225 Difference]: With dead ends: 300 [2023-11-06 23:03:41,534 INFO L226 Difference]: Without dead ends: 160 [2023-11-06 23:03:41,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:03:41,536 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 27 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:41,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 341 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:03:41,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2023-11-06 23:03:41,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 143. [2023-11-06 23:03:41,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 119 states have (on average 1.319327731092437) internal successors, (157), 119 states have internal predecessors, (157), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 23:03:41,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 199 transitions. [2023-11-06 23:03:41,549 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 199 transitions. Word has length 163 [2023-11-06 23:03:41,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:41,550 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 199 transitions. [2023-11-06 23:03:41,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:41,551 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 199 transitions. [2023-11-06 23:03:41,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 23:03:41,553 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:41,554 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:41,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:41,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-06 23:03:41,762 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:41,763 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:41,763 INFO L85 PathProgramCache]: Analyzing trace with hash 206240503, now seen corresponding path program 1 times [2023-11-06 23:03:41,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:41,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698446123] [2023-11-06 23:03:41,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:41,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:41,844 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:41,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2047162219] [2023-11-06 23:03:41,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:41,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:41,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:41,846 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:41,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 23:03:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:42,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 23:03:42,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:42,168 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 23:03:42,193 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:42,194 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 35 treesize of output 22 [2023-11-06 23:03:42,266 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-06 23:03:42,266 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:03:42,396 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:03:42,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:42,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698446123] [2023-11-06 23:03:42,397 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:42,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047162219] [2023-11-06 23:03:42,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047162219] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 23:03:42,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:03:42,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2023-11-06 23:03:42,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128435848] [2023-11-06 23:03:42,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:42,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:03:42,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:42,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:03:42,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:03:42,399 INFO L87 Difference]: Start difference. First operand 143 states and 199 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:42,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:42,836 INFO L93 Difference]: Finished difference Result 391 states and 539 transitions. [2023-11-06 23:03:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 23:03:42,837 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 164 [2023-11-06 23:03:42,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:42,840 INFO L225 Difference]: With dead ends: 391 [2023-11-06 23:03:42,840 INFO L226 Difference]: Without dead ends: 251 [2023-11-06 23:03:42,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2023-11-06 23:03:42,841 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 211 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:42,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 879 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 23:03:42,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2023-11-06 23:03:42,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 220. [2023-11-06 23:03:42,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 186 states have (on average 1.3118279569892473) internal successors, (244), 187 states have internal predecessors, (244), 29 states have call successors, (29), 4 states have call predecessors, (29), 4 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-06 23:03:42,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 302 transitions. [2023-11-06 23:03:42,862 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 302 transitions. Word has length 164 [2023-11-06 23:03:42,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:42,863 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 302 transitions. [2023-11-06 23:03:42,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:42,864 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 302 transitions. [2023-11-06 23:03:42,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 23:03:42,866 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:42,866 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:42,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:43,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-06 23:03:43,073 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:43,073 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:43,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1599197831, now seen corresponding path program 1 times [2023-11-06 23:03:43,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:43,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633610944] [2023-11-06 23:03:43,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:43,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:43,130 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:43,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1985521496] [2023-11-06 23:03:43,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:43,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:43,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:43,132 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:43,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 23:03:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:43,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-06 23:03:43,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:43,677 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:43,678 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 103 treesize of output 57 [2023-11-06 23:03:43,914 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:43,914 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 111 treesize of output 39 [2023-11-06 23:03:43,974 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:03:43,974 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:43,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:43,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633610944] [2023-11-06 23:03:43,975 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:43,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985521496] [2023-11-06 23:03:43,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985521496] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:43,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:43,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:03:43,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184298302] [2023-11-06 23:03:43,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:43,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:03:43,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:43,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:03:43,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:03:43,978 INFO L87 Difference]: Start difference. First operand 220 states and 302 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:45,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:45,281 INFO L93 Difference]: Finished difference Result 650 states and 890 transitions. [2023-11-06 23:03:45,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:03:45,282 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 164 [2023-11-06 23:03:45,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:45,286 INFO L225 Difference]: With dead ends: 650 [2023-11-06 23:03:45,286 INFO L226 Difference]: Without dead ends: 433 [2023-11-06 23:03:45,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:03:45,288 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 150 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:45,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 981 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 23:03:45,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2023-11-06 23:03:45,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 242. [2023-11-06 23:03:45,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 208 states have (on average 1.3317307692307692) internal successors, (277), 209 states have internal predecessors, (277), 29 states have call successors, (29), 4 states have call predecessors, (29), 4 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-06 23:03:45,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 335 transitions. [2023-11-06 23:03:45,308 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 335 transitions. Word has length 164 [2023-11-06 23:03:45,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:45,309 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 335 transitions. [2023-11-06 23:03:45,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:45,310 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 335 transitions. [2023-11-06 23:03:45,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 23:03:45,312 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:45,312 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:45,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:45,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:45,520 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:45,521 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:45,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1684652215, now seen corresponding path program 1 times [2023-11-06 23:03:45,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:45,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968189636] [2023-11-06 23:03:45,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:45,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:45,563 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:45,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2058064239] [2023-11-06 23:03:45,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:45,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:45,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:45,565 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:45,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 23:03:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:45,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 23:03:45,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:45,883 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:45,883 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 37 treesize of output 24 [2023-11-06 23:03:45,904 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:45,904 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 36 treesize of output 12 [2023-11-06 23:03:45,914 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:03:45,914 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:45,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:45,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968189636] [2023-11-06 23:03:45,915 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:45,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058064239] [2023-11-06 23:03:45,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058064239] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:45,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:45,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:03:45,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652773139] [2023-11-06 23:03:45,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:45,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:03:45,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:45,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:03:45,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:03:45,918 INFO L87 Difference]: Start difference. First operand 242 states and 335 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:46,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:46,297 INFO L93 Difference]: Finished difference Result 679 states and 932 transitions. [2023-11-06 23:03:46,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:03:46,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 164 [2023-11-06 23:03:46,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:46,301 INFO L225 Difference]: With dead ends: 679 [2023-11-06 23:03:46,301 INFO L226 Difference]: Without dead ends: 440 [2023-11-06 23:03:46,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:03:46,303 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 113 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:46,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 540 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 23:03:46,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2023-11-06 23:03:46,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 259. [2023-11-06 23:03:46,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 225 states have (on average 1.3377777777777777) internal successors, (301), 226 states have internal predecessors, (301), 29 states have call successors, (29), 4 states have call predecessors, (29), 4 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-06 23:03:46,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 359 transitions. [2023-11-06 23:03:46,322 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 359 transitions. Word has length 164 [2023-11-06 23:03:46,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:46,323 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 359 transitions. [2023-11-06 23:03:46,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:46,323 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 359 transitions. [2023-11-06 23:03:46,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 23:03:46,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:46,326 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:46,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:46,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:46,533 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:46,533 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:46,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1537158217, now seen corresponding path program 1 times [2023-11-06 23:03:46,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:46,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673403283] [2023-11-06 23:03:46,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:46,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:46,570 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:46,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [393895289] [2023-11-06 23:03:46,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:46,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:46,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:46,572 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:46,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 23:03:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:46,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 23:03:46,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:46,936 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:46,937 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 35 treesize of output 22 [2023-11-06 23:03:46,963 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:46,963 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 34 treesize of output 10 [2023-11-06 23:03:46,975 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:03:46,975 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:46,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:46,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673403283] [2023-11-06 23:03:46,975 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:46,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393895289] [2023-11-06 23:03:46,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393895289] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:46,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:46,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:03:46,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865353] [2023-11-06 23:03:46,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:46,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:03:46,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:46,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:03:46,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:03:46,979 INFO L87 Difference]: Start difference. First operand 259 states and 359 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:47,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:47,404 INFO L93 Difference]: Finished difference Result 631 states and 868 transitions. [2023-11-06 23:03:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:03:47,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 164 [2023-11-06 23:03:47,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:47,408 INFO L225 Difference]: With dead ends: 631 [2023-11-06 23:03:47,408 INFO L226 Difference]: Without dead ends: 375 [2023-11-06 23:03:47,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:03:47,409 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 102 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:47,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 615 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 23:03:47,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-11-06 23:03:47,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 259. [2023-11-06 23:03:47,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 225 states have (on average 1.3288888888888888) internal successors, (299), 226 states have internal predecessors, (299), 29 states have call successors, (29), 4 states have call predecessors, (29), 4 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-06 23:03:47,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 357 transitions. [2023-11-06 23:03:47,429 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 357 transitions. Word has length 164 [2023-11-06 23:03:47,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:47,429 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 357 transitions. [2023-11-06 23:03:47,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:47,430 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 357 transitions. [2023-11-06 23:03:47,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 23:03:47,432 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:47,433 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:47,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:47,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:47,639 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:47,640 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:47,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1746691829, now seen corresponding path program 1 times [2023-11-06 23:03:47,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:47,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918441451] [2023-11-06 23:03:47,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:47,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:47,678 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:47,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [957509420] [2023-11-06 23:03:47,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:47,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:47,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:47,680 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:47,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 23:03:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:47,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-06 23:03:47,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:48,156 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:48,157 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 103 treesize of output 57 [2023-11-06 23:03:48,379 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:48,379 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 111 treesize of output 39 [2023-11-06 23:03:48,441 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:03:48,442 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:48,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:48,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918441451] [2023-11-06 23:03:48,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:48,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957509420] [2023-11-06 23:03:48,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957509420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:48,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:48,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:03:48,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367475584] [2023-11-06 23:03:48,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:48,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:03:48,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:48,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:03:48,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:03:48,445 INFO L87 Difference]: Start difference. First operand 259 states and 357 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:49,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:49,713 INFO L93 Difference]: Finished difference Result 620 states and 850 transitions. [2023-11-06 23:03:49,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 23:03:49,717 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 164 [2023-11-06 23:03:49,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:49,720 INFO L225 Difference]: With dead ends: 620 [2023-11-06 23:03:49,720 INFO L226 Difference]: Without dead ends: 364 [2023-11-06 23:03:49,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:03:49,722 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 105 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:49,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1117 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 23:03:49,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2023-11-06 23:03:49,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 254. [2023-11-06 23:03:49,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 220 states have (on average 1.3272727272727274) internal successors, (292), 221 states have internal predecessors, (292), 29 states have call successors, (29), 4 states have call predecessors, (29), 4 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-06 23:03:49,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 350 transitions. [2023-11-06 23:03:49,740 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 350 transitions. Word has length 164 [2023-11-06 23:03:49,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:49,741 INFO L495 AbstractCegarLoop]: Abstraction has 254 states and 350 transitions. [2023-11-06 23:03:49,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:49,741 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 350 transitions. [2023-11-06 23:03:49,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 23:03:49,743 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:49,744 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:49,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:49,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:49,951 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:49,951 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:49,951 INFO L85 PathProgramCache]: Analyzing trace with hash 757896579, now seen corresponding path program 1 times [2023-11-06 23:03:49,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:49,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629864650] [2023-11-06 23:03:49,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:49,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:49,997 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:49,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [171879439] [2023-11-06 23:03:49,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:49,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:49,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:50,000 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:50,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 23:03:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:50,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:03:50,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:50,359 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:03:50,360 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:50,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:50,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629864650] [2023-11-06 23:03:50,360 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:50,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171879439] [2023-11-06 23:03:50,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171879439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:50,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:50,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:03:50,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493173378] [2023-11-06 23:03:50,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:50,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:03:50,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:50,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:03:50,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:03:50,365 INFO L87 Difference]: Start difference. First operand 254 states and 350 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:50,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:50,474 INFO L93 Difference]: Finished difference Result 567 states and 785 transitions. [2023-11-06 23:03:50,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 23:03:50,475 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 165 [2023-11-06 23:03:50,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:50,478 INFO L225 Difference]: With dead ends: 567 [2023-11-06 23:03:50,478 INFO L226 Difference]: Without dead ends: 316 [2023-11-06 23:03:50,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:03:50,479 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 124 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:50,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 939 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:03:50,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2023-11-06 23:03:50,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 258. [2023-11-06 23:03:50,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 224 states have (on average 1.3214285714285714) internal successors, (296), 225 states have internal predecessors, (296), 29 states have call successors, (29), 4 states have call predecessors, (29), 4 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-06 23:03:50,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 354 transitions. [2023-11-06 23:03:50,497 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 354 transitions. Word has length 165 [2023-11-06 23:03:50,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:50,498 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 354 transitions. [2023-11-06 23:03:50,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:50,498 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 354 transitions. [2023-11-06 23:03:50,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 23:03:50,500 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:50,500 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:50,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:50,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:50,707 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:50,707 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:50,708 INFO L85 PathProgramCache]: Analyzing trace with hash 499731141, now seen corresponding path program 1 times [2023-11-06 23:03:50,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:50,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773762507] [2023-11-06 23:03:50,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:50,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:50,770 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:50,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1826484601] [2023-11-06 23:03:50,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:50,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:50,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:50,773 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:50,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 23:03:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:51,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:03:51,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:51,157 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 21 treesize of output 9 [2023-11-06 23:03:51,170 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:03:51,170 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:51,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:51,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773762507] [2023-11-06 23:03:51,171 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:51,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826484601] [2023-11-06 23:03:51,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826484601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:51,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:51,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:03:51,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025071567] [2023-11-06 23:03:51,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:51,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:03:51,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:51,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:03:51,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:03:51,174 INFO L87 Difference]: Start difference. First operand 258 states and 354 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:51,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:51,707 INFO L93 Difference]: Finished difference Result 768 states and 1054 transitions. [2023-11-06 23:03:51,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:03:51,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 165 [2023-11-06 23:03:51,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:51,712 INFO L225 Difference]: With dead ends: 768 [2023-11-06 23:03:51,713 INFO L226 Difference]: Without dead ends: 513 [2023-11-06 23:03:51,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:03:51,715 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 172 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:51,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 630 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 23:03:51,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2023-11-06 23:03:51,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 449. [2023-11-06 23:03:51,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 382 states have (on average 1.2827225130890052) internal successors, (490), 384 states have internal predecessors, (490), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-06 23:03:51,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 606 transitions. [2023-11-06 23:03:51,755 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 606 transitions. Word has length 165 [2023-11-06 23:03:51,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:51,756 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 606 transitions. [2023-11-06 23:03:51,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:51,756 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 606 transitions. [2023-11-06 23:03:51,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 23:03:51,758 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:51,758 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:51,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:51,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:51,963 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:51,965 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:51,965 INFO L85 PathProgramCache]: Analyzing trace with hash -47889447, now seen corresponding path program 1 times [2023-11-06 23:03:51,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:51,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717927552] [2023-11-06 23:03:51,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:51,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:52,027 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:52,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1113291343] [2023-11-06 23:03:52,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:52,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:52,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:52,029 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:52,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 23:03:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:52,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-06 23:03:52,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:52,589 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:52,589 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 61 [2023-11-06 23:03:52,857 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:52,858 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 61 [2023-11-06 23:03:53,078 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:53,079 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 61 [2023-11-06 23:03:53,271 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:53,272 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 61 [2023-11-06 23:03:53,497 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:53,498 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 61 [2023-11-06 23:03:53,956 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:53,957 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 77 treesize of output 67 [2023-11-06 23:03:54,202 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:54,203 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 68 treesize of output 64 [2023-11-06 23:03:54,383 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:54,383 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 68 treesize of output 55 [2023-11-06 23:03:54,573 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:54,574 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 59 treesize of output 43 [2023-11-06 23:03:54,708 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:54,708 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 50 treesize of output 31 [2023-11-06 23:03:54,800 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:54,801 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 41 treesize of output 28 [2023-11-06 23:03:54,887 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:54,888 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 37 treesize of output 28 [2023-11-06 23:03:54,902 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:54,903 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 41 treesize of output 28 [2023-11-06 23:03:54,942 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 588 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-11-06 23:03:54,942 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:03:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-06 23:03:55,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:55,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717927552] [2023-11-06 23:03:55,431 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:55,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113291343] [2023-11-06 23:03:55,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113291343] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:03:55,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:03:55,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 18 [2023-11-06 23:03:55,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379342360] [2023-11-06 23:03:55,433 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:03:55,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-06 23:03:55,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:55,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-06 23:03:55,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2023-11-06 23:03:55,435 INFO L87 Difference]: Start difference. First operand 449 states and 606 transitions. Second operand has 18 states, 16 states have (on average 7.875) internal successors, (126), 17 states have internal predecessors, (126), 9 states have call successors, (42), 6 states have call predecessors, (42), 8 states have return successors, (42), 8 states have call predecessors, (42), 9 states have call successors, (42) [2023-11-06 23:03:57,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:57,505 INFO L93 Difference]: Finished difference Result 1453 states and 1961 transitions. [2023-11-06 23:03:57,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-06 23:03:57,506 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 7.875) internal successors, (126), 17 states have internal predecessors, (126), 9 states have call successors, (42), 6 states have call predecessors, (42), 8 states have return successors, (42), 8 states have call predecessors, (42), 9 states have call successors, (42) Word has length 165 [2023-11-06 23:03:57,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:57,513 INFO L225 Difference]: With dead ends: 1453 [2023-11-06 23:03:57,513 INFO L226 Difference]: Without dead ends: 1007 [2023-11-06 23:03:57,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2023-11-06 23:03:57,515 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 295 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:57,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 817 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-06 23:03:57,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1007 states. [2023-11-06 23:03:57,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 853. [2023-11-06 23:03:57,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 716 states have (on average 1.2695530726256983) internal successors, (909), 720 states have internal predecessors, (909), 116 states have call successors, (116), 20 states have call predecessors, (116), 20 states have return successors, (116), 112 states have call predecessors, (116), 116 states have call successors, (116) [2023-11-06 23:03:57,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1141 transitions. [2023-11-06 23:03:57,589 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1141 transitions. Word has length 165 [2023-11-06 23:03:57,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:57,589 INFO L495 AbstractCegarLoop]: Abstraction has 853 states and 1141 transitions. [2023-11-06 23:03:57,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 7.875) internal successors, (126), 17 states have internal predecessors, (126), 9 states have call successors, (42), 6 states have call predecessors, (42), 8 states have return successors, (42), 8 states have call predecessors, (42), 9 states have call successors, (42) [2023-11-06 23:03:57,590 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1141 transitions. [2023-11-06 23:03:57,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-06 23:03:57,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:57,592 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:57,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:57,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 23:03:57,804 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:57,804 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:57,804 INFO L85 PathProgramCache]: Analyzing trace with hash -59382896, now seen corresponding path program 1 times [2023-11-06 23:03:57,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:57,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678395344] [2023-11-06 23:03:57,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:57,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:57,845 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:57,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [534563090] [2023-11-06 23:03:57,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:57,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:57,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:57,847 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:57,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 23:03:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:58,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:03:58,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:58,176 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-06 23:03:58,190 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:03:58,190 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:58,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:58,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678395344] [2023-11-06 23:03:58,190 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:58,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534563090] [2023-11-06 23:03:58,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534563090] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:58,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:58,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:03:58,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800924924] [2023-11-06 23:03:58,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:58,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:03:58,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:58,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:03:58,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:03:58,193 INFO L87 Difference]: Start difference. First operand 853 states and 1141 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:58,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:58,354 INFO L93 Difference]: Finished difference Result 1591 states and 2129 transitions. [2023-11-06 23:03:58,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:03:58,355 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 166 [2023-11-06 23:03:58,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:58,361 INFO L225 Difference]: With dead ends: 1591 [2023-11-06 23:03:58,362 INFO L226 Difference]: Without dead ends: 853 [2023-11-06 23:03:58,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:03:58,365 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 4 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:58,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 406 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:03:58,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2023-11-06 23:03:58,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2023-11-06 23:03:58,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 716 states have (on average 1.2513966480446927) internal successors, (896), 720 states have internal predecessors, (896), 116 states have call successors, (116), 20 states have call predecessors, (116), 20 states have return successors, (116), 112 states have call predecessors, (116), 116 states have call successors, (116) [2023-11-06 23:03:58,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1128 transitions. [2023-11-06 23:03:58,437 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1128 transitions. Word has length 166 [2023-11-06 23:03:58,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:58,437 INFO L495 AbstractCegarLoop]: Abstraction has 853 states and 1128 transitions. [2023-11-06 23:03:58,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:03:58,438 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1128 transitions. [2023-11-06 23:03:58,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-06 23:03:58,440 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:58,440 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:58,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-06 23:03:58,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:58,647 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:58,648 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:58,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1976836997, now seen corresponding path program 1 times [2023-11-06 23:03:58,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:58,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742241655] [2023-11-06 23:03:58,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:58,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:58,690 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:58,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [117268012] [2023-11-06 23:03:58,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:58,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:58,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:58,692 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:58,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 23:03:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:59,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-06 23:03:59,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:59,093 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 23:03:59,125 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:03:59,126 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 23:03:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-06 23:03:59,168 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:03:59,313 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:03:59,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:59,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742241655] [2023-11-06 23:03:59,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:59,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117268012] [2023-11-06 23:03:59,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117268012] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 23:03:59,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:03:59,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 14 [2023-11-06 23:03:59,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064032781] [2023-11-06 23:03:59,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:59,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:03:59,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:59,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:03:59,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:03:59,316 INFO L87 Difference]: Start difference. First operand 853 states and 1128 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:04:00,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:00,043 INFO L93 Difference]: Finished difference Result 2125 states and 2808 transitions. [2023-11-06 23:04:00,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 23:04:00,044 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 167 [2023-11-06 23:04:00,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:04:00,055 INFO L225 Difference]: With dead ends: 2125 [2023-11-06 23:04:00,056 INFO L226 Difference]: Without dead ends: 1425 [2023-11-06 23:04:00,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=559, Unknown=0, NotChecked=0, Total=702 [2023-11-06 23:04:00,060 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 305 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:04:00,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 865 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 23:04:00,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2023-11-06 23:04:00,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1119. [2023-11-06 23:04:00,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 936 states have (on average 1.232905982905983) internal successors, (1154), 944 states have internal predecessors, (1154), 154 states have call successors, (154), 28 states have call predecessors, (154), 28 states have return successors, (154), 146 states have call predecessors, (154), 154 states have call successors, (154) [2023-11-06 23:04:00,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1462 transitions. [2023-11-06 23:04:00,184 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1462 transitions. Word has length 167 [2023-11-06 23:04:00,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:04:00,184 INFO L495 AbstractCegarLoop]: Abstraction has 1119 states and 1462 transitions. [2023-11-06 23:04:00,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:04:00,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1462 transitions. [2023-11-06 23:04:00,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-06 23:04:00,187 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:00,187 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:00,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:00,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 23:04:00,395 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:04:00,395 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:00,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1770509711, now seen corresponding path program 1 times [2023-11-06 23:04:00,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:00,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208830331] [2023-11-06 23:04:00,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:00,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:00,456 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:04:00,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [386790838] [2023-11-06 23:04:00,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:00,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:04:00,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:00,458 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:04:00,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 23:04:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 23:04:00,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:00,834 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:04:00,835 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 19 treesize of output 7 [2023-11-06 23:04:00,863 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:04:00,863 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 32 treesize of output 34 [2023-11-06 23:04:00,898 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:04:00,899 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 37 treesize of output 13 [2023-11-06 23:04:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:04:00,910 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:04:00,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:04:00,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208830331] [2023-11-06 23:04:00,910 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:04:00,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386790838] [2023-11-06 23:04:00,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386790838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:04:00,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:04:00,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:04:00,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95315024] [2023-11-06 23:04:00,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:04:00,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:04:00,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:04:00,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:04:00,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:04:00,915 INFO L87 Difference]: Start difference. First operand 1119 states and 1462 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:04:01,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:01,666 INFO L93 Difference]: Finished difference Result 2134 states and 2800 transitions. [2023-11-06 23:04:01,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:04:01,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 167 [2023-11-06 23:04:01,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:04:01,676 INFO L225 Difference]: With dead ends: 2134 [2023-11-06 23:04:01,677 INFO L226 Difference]: Without dead ends: 1165 [2023-11-06 23:04:01,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:04:01,681 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 267 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:04:01,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 447 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 23:04:01,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2023-11-06 23:04:01,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 778. [2023-11-06 23:04:01,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 651 states have (on average 1.2258064516129032) internal successors, (798), 656 states have internal predecessors, (798), 106 states have call successors, (106), 20 states have call predecessors, (106), 20 states have return successors, (106), 101 states have call predecessors, (106), 106 states have call successors, (106) [2023-11-06 23:04:01,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1010 transitions. [2023-11-06 23:04:01,785 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1010 transitions. Word has length 167 [2023-11-06 23:04:01,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:04:01,786 INFO L495 AbstractCegarLoop]: Abstraction has 778 states and 1010 transitions. [2023-11-06 23:04:01,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:04:01,787 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1010 transitions. [2023-11-06 23:04:01,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-06 23:04:01,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:01,789 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:01,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:01,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:04:01,997 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:04:01,997 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:01,997 INFO L85 PathProgramCache]: Analyzing trace with hash 629186557, now seen corresponding path program 1 times [2023-11-06 23:04:01,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:01,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442231677] [2023-11-06 23:04:01,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:01,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:02,049 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:04:02,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [541137547] [2023-11-06 23:04:02,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:02,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:04:02,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:02,052 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:04:02,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-06 23:04:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:02,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-06 23:04:02,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:02,735 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:04:02,736 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 28 treesize of output 10 [2023-11-06 23:04:02,743 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 19 treesize of output 1 [2023-11-06 23:04:02,748 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 19 treesize of output 1 [2023-11-06 23:04:02,752 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 19 treesize of output 1 [2023-11-06 23:04:02,757 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 19 treesize of output 1 [2023-11-06 23:04:02,761 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 19 treesize of output 1 [2023-11-06 23:04:02,765 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 19 treesize of output 1 [2023-11-06 23:04:02,769 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 19 treesize of output 1 [2023-11-06 23:04:02,774 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 23:04:02,777 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 19 treesize of output 1 [2023-11-06 23:04:03,161 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:04:03,161 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 149 treesize of output 57 [2023-11-06 23:04:03,303 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 23:04:03,304 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:04:03,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:04:03,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442231677] [2023-11-06 23:04:03,304 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:04:03,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541137547] [2023-11-06 23:04:03,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541137547] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:04:03,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:04:03,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:04:03,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865747342] [2023-11-06 23:04:03,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:04:03,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:04:03,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:04:03,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:04:03,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:04:03,307 INFO L87 Difference]: Start difference. First operand 778 states and 1010 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:04:04,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:04,230 INFO L93 Difference]: Finished difference Result 1403 states and 1824 transitions. [2023-11-06 23:04:04,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:04:04,231 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 167 [2023-11-06 23:04:04,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:04:04,238 INFO L225 Difference]: With dead ends: 1403 [2023-11-06 23:04:04,238 INFO L226 Difference]: Without dead ends: 771 [2023-11-06 23:04:04,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:04:04,241 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 83 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 23:04:04,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 698 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 23:04:04,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2023-11-06 23:04:04,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 769. [2023-11-06 23:04:04,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 639 states have (on average 1.2206572769953052) internal successors, (780), 644 states have internal predecessors, (780), 106 states have call successors, (106), 23 states have call predecessors, (106), 23 states have return successors, (106), 101 states have call predecessors, (106), 106 states have call successors, (106) [2023-11-06 23:04:04,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 992 transitions. [2023-11-06 23:04:04,350 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 992 transitions. Word has length 167 [2023-11-06 23:04:04,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:04:04,352 INFO L495 AbstractCegarLoop]: Abstraction has 769 states and 992 transitions. [2023-11-06 23:04:04,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 23:04:04,353 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 992 transitions. [2023-11-06 23:04:04,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-06 23:04:04,355 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:04,356 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:04,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:04,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:04:04,566 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:04:04,566 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:04,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1091670961, now seen corresponding path program 1 times [2023-11-06 23:04:04,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:04,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394827082] [2023-11-06 23:04:04,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:04,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:04,610 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:04:04,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [645875044] [2023-11-06 23:04:04,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:04,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:04:04,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:04,612 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:04:04,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-06 23:04:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:05,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-06 23:04:05,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:05,130 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 23:04:05,255 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:04:05,255 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 42 treesize of output 29 [2023-11-06 23:04:05,483 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:04:05,483 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 53 treesize of output 43 [2023-11-06 23:04:05,642 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:04:05,642 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 49 treesize of output 43 [2023-11-06 23:04:05,665 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:04:05,665 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 53 treesize of output 43 [2023-11-06 23:04:05,764 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:04:05,764 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 63 treesize of output 33 [2023-11-06 23:04:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 385 proven. 18 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2023-11-06 23:04:05,814 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:04:06,457 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 144 proven. 18 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2023-11-06 23:04:06,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:04:06,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394827082] [2023-11-06 23:04:06,458 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:04:06,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645875044] [2023-11-06 23:04:06,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645875044] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:04:06,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:04:06,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 26 [2023-11-06 23:04:06,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514731392] [2023-11-06 23:04:06,459 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:04:06,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-06 23:04:06,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:04:06,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-06 23:04:06,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=515, Unknown=0, NotChecked=0, Total=650 [2023-11-06 23:04:06,462 INFO L87 Difference]: Start difference. First operand 769 states and 992 transitions. Second operand has 26 states, 20 states have (on average 5.55) internal successors, (111), 26 states have internal predecessors, (111), 12 states have call successors, (27), 4 states have call predecessors, (27), 8 states have return successors, (27), 6 states have call predecessors, (27), 12 states have call successors, (27) [2023-11-06 23:04:08,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:08,409 INFO L93 Difference]: Finished difference Result 1401 states and 1793 transitions. [2023-11-06 23:04:08,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-06 23:04:08,410 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 20 states have (on average 5.55) internal successors, (111), 26 states have internal predecessors, (111), 12 states have call successors, (27), 4 states have call predecessors, (27), 8 states have return successors, (27), 6 states have call predecessors, (27), 12 states have call successors, (27) Word has length 169 [2023-11-06 23:04:08,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:04:08,416 INFO L225 Difference]: With dead ends: 1401 [2023-11-06 23:04:08,417 INFO L226 Difference]: Without dead ends: 823 [2023-11-06 23:04:08,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 306 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=292, Invalid=1040, Unknown=0, NotChecked=0, Total=1332 [2023-11-06 23:04:08,420 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 296 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:04:08,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 750 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 23:04:08,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2023-11-06 23:04:08,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 797. [2023-11-06 23:04:08,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 660 states have (on average 1.206060606060606) internal successors, (796), 665 states have internal predecessors, (796), 106 states have call successors, (106), 30 states have call predecessors, (106), 30 states have return successors, (106), 101 states have call predecessors, (106), 106 states have call successors, (106) [2023-11-06 23:04:08,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1008 transitions. [2023-11-06 23:04:08,574 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1008 transitions. Word has length 169 [2023-11-06 23:04:08,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:04:08,575 INFO L495 AbstractCegarLoop]: Abstraction has 797 states and 1008 transitions. [2023-11-06 23:04:08,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 20 states have (on average 5.55) internal successors, (111), 26 states have internal predecessors, (111), 12 states have call successors, (27), 4 states have call predecessors, (27), 8 states have return successors, (27), 6 states have call predecessors, (27), 12 states have call successors, (27) [2023-11-06 23:04:08,575 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1008 transitions. [2023-11-06 23:04:08,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 23:04:08,578 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:08,578 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:08,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:08,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-06 23:04:08,786 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:04:08,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:08,787 INFO L85 PathProgramCache]: Analyzing trace with hash -429050581, now seen corresponding path program 1 times [2023-11-06 23:04:08,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:08,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141225424] [2023-11-06 23:04:08,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:08,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:08,841 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:04:08,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1234104133] [2023-11-06 23:04:08,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:08,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:04:08,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:08,843 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:04:08,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-06 23:04:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:09,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-06 23:04:09,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:09,376 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 23:04:09,493 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:04:09,494 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 42 treesize of output 29 [2023-11-06 23:04:09,581 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:04:09,581 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 29 [2023-11-06 23:04:09,603 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:04:09,604 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 42 treesize of output 29 [2023-11-06 23:04:09,653 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:04:09,653 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 52 treesize of output 28 [2023-11-06 23:04:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 269 proven. 9 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2023-11-06 23:04:09,672 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:04:10,080 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 105 proven. 9 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2023-11-06 23:04:10,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:04:10,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141225424] [2023-11-06 23:04:10,081 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:04:10,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234104133] [2023-11-06 23:04:10,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234104133] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:04:10,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:04:10,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 16 [2023-11-06 23:04:10,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725387024] [2023-11-06 23:04:10,082 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:04:10,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-06 23:04:10,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:04:10,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-06 23:04:10,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2023-11-06 23:04:10,084 INFO L87 Difference]: Start difference. First operand 797 states and 1008 transitions. Second operand has 16 states, 12 states have (on average 8.583333333333334) internal successors, (103), 16 states have internal predecessors, (103), 8 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 8 states have call successors, (25) [2023-11-06 23:04:11,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:11,157 INFO L93 Difference]: Finished difference Result 1425 states and 1801 transitions. [2023-11-06 23:04:11,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 23:04:11,158 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 12 states have (on average 8.583333333333334) internal successors, (103), 16 states have internal predecessors, (103), 8 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 8 states have call successors, (25) Word has length 171 [2023-11-06 23:04:11,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:04:11,164 INFO L225 Difference]: With dead ends: 1425 [2023-11-06 23:04:11,165 INFO L226 Difference]: Without dead ends: 823 [2023-11-06 23:04:11,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 321 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=400, Unknown=0, NotChecked=0, Total=552 [2023-11-06 23:04:11,167 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 112 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:04:11,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 426 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 854 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 23:04:11,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2023-11-06 23:04:11,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 797. [2023-11-06 23:04:11,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 660 states have (on average 1.1984848484848485) internal successors, (791), 665 states have internal predecessors, (791), 106 states have call successors, (106), 30 states have call predecessors, (106), 30 states have return successors, (106), 101 states have call predecessors, (106), 106 states have call successors, (106) [2023-11-06 23:04:11,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1003 transitions. [2023-11-06 23:04:11,298 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1003 transitions. Word has length 171 [2023-11-06 23:04:11,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:04:11,299 INFO L495 AbstractCegarLoop]: Abstraction has 797 states and 1003 transitions. [2023-11-06 23:04:11,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 12 states have (on average 8.583333333333334) internal successors, (103), 16 states have internal predecessors, (103), 8 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 8 states have call successors, (25) [2023-11-06 23:04:11,299 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1003 transitions. [2023-11-06 23:04:11,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 23:04:11,301 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:11,302 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:11,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:11,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-06 23:04:11,509 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:04:11,510 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:11,510 INFO L85 PathProgramCache]: Analyzing trace with hash 2060478381, now seen corresponding path program 1 times [2023-11-06 23:04:11,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:11,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580638787] [2023-11-06 23:04:11,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:11,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:11,561 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:04:11,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1124257744] [2023-11-06 23:04:11,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:11,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:04:11,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:11,575 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:04:11,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-06 23:04:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:12,461 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:04:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:13,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:04:13,308 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:04:13,310 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:04:13,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:13,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-06 23:04:13,528 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:04:13,533 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:04:13,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:04:13 BoogieIcfgContainer [2023-11-06 23:04:13,657 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:04:13,658 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:04:13,658 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:04:13,658 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:04:13,659 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:34" (3/4) ... [2023-11-06 23:04:13,667 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:04:13,668 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:04:13,669 INFO L158 Benchmark]: Toolchain (without parser) took 41043.04ms. Allocated memory was 167.8MB in the beginning and 432.0MB in the end (delta: 264.2MB). Free memory was 134.8MB in the beginning and 307.8MB in the end (delta: -173.0MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. [2023-11-06 23:04:13,669 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:04:13,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.91ms. Allocated memory is still 167.8MB. Free memory was 134.8MB in the beginning and 118.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 23:04:13,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.22ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 114.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:04:13,671 INFO L158 Benchmark]: Boogie Preprocessor took 99.13ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 111.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:04:13,671 INFO L158 Benchmark]: RCFGBuilder took 983.18ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 111.1MB in the end (delta: -112.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 23:04:13,671 INFO L158 Benchmark]: TraceAbstraction took 39446.07ms. Allocated memory was 167.8MB in the beginning and 432.0MB in the end (delta: 264.2MB). Free memory was 111.1MB in the beginning and 307.8MB in the end (delta: -196.7MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2023-11-06 23:04:13,672 INFO L158 Benchmark]: Witness Printer took 10.41ms. Allocated memory is still 432.0MB. Free memory is still 307.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:04:13,674 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 117.4MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.91ms. Allocated memory is still 167.8MB. Free memory was 134.8MB in the beginning and 118.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.22ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 114.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.13ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 111.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 983.18ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 111.1MB in the end (delta: -112.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 39446.07ms. Allocated memory was 167.8MB in the beginning and 432.0MB in the end (delta: 264.2MB). Free memory was 111.1MB in the beginning and 307.8MB in the end (delta: -196.7MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. * Witness Printer took 10.41ms. Allocated memory is still 432.0MB. Free memory is still 307.8MB. 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 122, overapproximation of someBinaryFLOATComparisonOperation at line 122, overapproximation of someUnaryFLOAToperation at line 122. Possible FailurePath: [L39] unsigned char isInitial = 0; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 32, -25, -64, -1, 50, 1, 0, 0, 1, 10.5, 0, 0, 0, 50.75, 32.6 }; VAL [WrapperStruct00={4:0}, isInitial=0] [L126] isInitial = 1 [L127] FCALL initially() [L128] COND TRUE 1 [L129] FCALL updateLastVariables() [L130] CALL updateVariables() [L86] WrapperStruct00.var_1_3 = __VERIFIER_nondet_char() [L87] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00.var_1_3=127, WrapperStruct00={4:0}, isInitial=1] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= -128) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L87] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= -128) VAL [WrapperStruct00.var_1_3=127, WrapperStruct00={4:0}, isInitial=1] [L88] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00.var_1_3=127, WrapperStruct00={4:0}, isInitial=1] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L88] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 127) VAL [WrapperStruct00.var_1_3=127, WrapperStruct00={4:0}, isInitial=1] [L89] WrapperStruct00.var_1_4 = __VERIFIER_nondet_char() [L90] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00.var_1_4=-65, WrapperStruct00={4:0}, isInitial=1] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= -128) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= -128) VAL [WrapperStruct00.var_1_4=-65, WrapperStruct00={4:0}, isInitial=1] [L91] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00.var_1_4=-65, WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 127) VAL [WrapperStruct00.var_1_4=-65, WrapperStruct00={4:0}, isInitial=1] [L92] WrapperStruct00.var_1_5 = __VERIFIER_nondet_char() [L93] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00.var_1_5=2, WrapperStruct00={4:0}, isInitial=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= -1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= -1) VAL [WrapperStruct00.var_1_5=2, WrapperStruct00={4:0}, isInitial=1] [L94] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00.var_1_5=2, WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 127) VAL [WrapperStruct00.var_1_5=2, WrapperStruct00={4:0}, isInitial=1] [L95] WrapperStruct00.var_1_6 = __VERIFIER_nondet_char() [L96] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1] [L97] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 127) VAL [WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1] [L98] WrapperStruct00.var_1_7 = __VERIFIER_nondet_uchar() [L99] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00.var_1_7=-253, WrapperStruct00={4:0}, isInitial=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00.var_1_7=-253, WrapperStruct00={4:0}, isInitial=1] [L100] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00.var_1_7=-253, WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 255) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 255) VAL [WrapperStruct00.var_1_7=-253, WrapperStruct00={4:0}, isInitial=1] [L101] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00.var_1_7=-253, WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_7 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_7 != 0) VAL [WrapperStruct00.var_1_7=-253, WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L103] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00.var_1_10=257, WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 1) VAL [WrapperStruct00.var_1_10=257, WrapperStruct00={4:0}, isInitial=1] [L104] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00.var_1_10=257, WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00.var_1_10=257, WrapperStruct00={4:0}, isInitial=1] [L105] WrapperStruct00.var_1_12 = __VERIFIER_nondet_double() [L106] EXPR WrapperStruct00.var_1_12 [L106] EXPR WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F [L106] EXPR WrapperStruct00.var_1_12 [L106] EXPR WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F VAL [WrapperStruct00.var_1_12=21/2, WrapperStruct00.var_1_12=21/2, WrapperStruct00={4:0}, isInitial=1] [L106] EXPR (WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [(WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )=1, WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F=1, WrapperStruct00.var_1_12=21/2, WrapperStruct00.var_1_12=21/2, WrapperStruct00={4:0}, isInitial=1] [L106] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L106] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [(WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )=1, WrapperStruct00.var_1_12 >= 0.0F && WrapperStruct00.var_1_12 <= -1.0e-20F=1, WrapperStruct00.var_1_12=21/2, WrapperStruct00.var_1_12=21/2, WrapperStruct00={4:0}, isInitial=1] [L107] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L108] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00.var_1_15=768, WrapperStruct00={4:0}, isInitial=1] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L108] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00.var_1_15=768, WrapperStruct00={4:0}, isInitial=1] [L109] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00.var_1_15=768, WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 0) VAL [WrapperStruct00.var_1_15=768, WrapperStruct00={4:0}, isInitial=1] [L110] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L111] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00.var_1_16=256, WrapperStruct00={4:0}, isInitial=1] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L111] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00.var_1_16=256, WrapperStruct00={4:0}, isInitial=1] [L112] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00.var_1_16=256, WrapperStruct00={4:0}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 0) VAL [WrapperStruct00.var_1_16=256, WrapperStruct00={4:0}, isInitial=1] [L113] WrapperStruct00.var_1_17 = __VERIFIER_nondet_uchar() [L114] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00.var_1_17=512, WrapperStruct00={4:0}, isInitial=1] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L114] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00.var_1_17=512, WrapperStruct00={4:0}, isInitial=1] [L115] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00.var_1_17=512, WrapperStruct00={4:0}, isInitial=1] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 0) VAL [WrapperStruct00.var_1_17=512, WrapperStruct00={4:0}, isInitial=1] [L116] WrapperStruct00.var_1_19 = __VERIFIER_nondet_float() [L117] EXPR WrapperStruct00.var_1_19 [L117] EXPR WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F [L117] EXPR WrapperStruct00.var_1_19 [L117] EXPR WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F VAL [WrapperStruct00.var_1_19=203/4, WrapperStruct00.var_1_19=203/4, WrapperStruct00={4:0}, isInitial=1] [L117] EXPR (WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F ) VAL [(WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )=1, WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F=1, WrapperStruct00.var_1_19=203/4, WrapperStruct00.var_1_19=203/4, WrapperStruct00={4:0}, isInitial=1] [L117] CALL assume_abort_if_not((WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L117] RET assume_abort_if_not((WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )) VAL [(WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )=1, WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F=1, WrapperStruct00.var_1_19=203/4, WrapperStruct00.var_1_19=203/4, WrapperStruct00={4:0}, isInitial=1] [L130] RET updateVariables() [L131] CALL step() [L60] EXPR WrapperStruct00.var_1_4 [L60] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00.var_1_3=127, WrapperStruct00.var_1_4=-65, WrapperStruct00={4:0}, isInitial=1] [L60] EXPR ((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3) [L60] EXPR WrapperStruct00.var_1_4 [L60] EXPR ((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3) VAL [((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3)=-65, WrapperStruct00.var_1_3=127, WrapperStruct00.var_1_4=-65, WrapperStruct00.var_1_4=-65, WrapperStruct00={4:0}, isInitial=1] [L60] EXPR WrapperStruct00.var_1_7 [L60] signed long int stepLocal_1 = ((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7; [L61] EXPR WrapperStruct00.var_1_5 [L61] EXPR WrapperStruct00.var_1_6 [L61] signed long int stepLocal_0 = WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6; [L62] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00.var_1_4=-65, WrapperStruct00={4:0}, isInitial=1, stepLocal_0=-47, stepLocal_1=-21] [L62] COND FALSE !(WrapperStruct00.var_1_4 > stepLocal_0) [L67] EXPR WrapperStruct00.var_1_3 [L67] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_3 [L69] EXPR WrapperStruct00.var_1_19 [L69] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_19 [L70] EXPR WrapperStruct00.var_1_12 [L70] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00.var_1_12=21/2, WrapperStruct00.var_1_18=203/4, WrapperStruct00={4:0}, isInitial=1, stepLocal_0=-47, stepLocal_1=-21] [L70] EXPR ((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18) [L70] EXPR WrapperStruct00.var_1_18 [L70] EXPR ((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18) VAL [WrapperStruct00.var_1_12=21/2, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_18=203/4, WrapperStruct00={4:0}, isInitial=1, stepLocal_0=-47, stepLocal_1=-21] [L70] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00.var_1_12=21/2, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_18=203/4, WrapperStruct00={4:0}, isInitial=1, stepLocal_0=-47, stepLocal_1=-21] [L70] COND TRUE (WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18)))) >= WrapperStruct00.var_1_18 [L71] EXPR WrapperStruct00.var_1_6 [L71] EXPR WrapperStruct00.var_1_1 [L71] EXPR (WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15 [L71] EXPR WrapperStruct00.var_1_15 [L71] EXPR (WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15 VAL [(WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15=0, WrapperStruct00.var_1_15=768, WrapperStruct00.var_1_1=127, WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1, stepLocal_0=-47, stepLocal_1=-21] [L71] EXPR ((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17) [L71] EXPR WrapperStruct00.var_1_16 [L71] EXPR WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17 [L71] EXPR WrapperStruct00.var_1_17 [L71] EXPR WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17 VAL [((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)=0, (WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15=0, WrapperStruct00.var_1_15=768, WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17=0, WrapperStruct00.var_1_16=256, WrapperStruct00.var_1_17=512, WrapperStruct00.var_1_1=127, WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1, stepLocal_0=-47, stepLocal_1=-21] [L71] EXPR ((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17) VAL [((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)=0, (WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15=0, WrapperStruct00.var_1_15=768, WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17=0, WrapperStruct00.var_1_16=256, WrapperStruct00.var_1_17=512, WrapperStruct00.var_1_1=127, WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1, stepLocal_0=-47, stepLocal_1=-21] [L71] WrapperStruct00.var_1_11 = (((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)) [L73] EXPR WrapperStruct00.var_1_1 [L73] signed long int stepLocal_3 = WrapperStruct00.var_1_1; [L74] EXPR WrapperStruct00.var_1_1 [L74] EXPR WrapperStruct00.var_1_1 [L74] EXPR WrapperStruct00.var_1_6 [L74] signed long int stepLocal_2 = WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6); [L75] WrapperStruct00.var_1_11 VAL [WrapperStruct00.var_1_11=0, WrapperStruct00={4:0}, isInitial=1, stepLocal_0=-47, stepLocal_1=-21, stepLocal_2=790321, stepLocal_3=127] [L75] COND FALSE !(WrapperStruct00.var_1_11) [L131] RET step() [L132] CALL, EXPR property() [L122] EXPR WrapperStruct00.var_1_4 [L122] EXPR WrapperStruct00.var_1_5 [L122] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00.var_1_4=-65, WrapperStruct00.var_1_5=2, WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1] [L122] EXPR (WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3)) [L122] EXPR WrapperStruct00.var_1_1 [L122] EXPR WrapperStruct00.var_1_3 [L122] EXPR (WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3)) VAL [(WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))=1, WrapperStruct00.var_1_1=127, WrapperStruct00.var_1_3=127, WrapperStruct00.var_1_4=-65, WrapperStruct00.var_1_5=2, WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1] [L122] EXPR ((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1) [L122] EXPR WrapperStruct00.var_1_11 VAL [((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)=1, (WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))=1, WrapperStruct00.var_1_11=0, WrapperStruct00.var_1_1=127, WrapperStruct00.var_1_3=127, WrapperStruct00.var_1_4=-65, WrapperStruct00.var_1_5=2, WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1] [L122] EXPR WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1 VAL [((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)=1, (WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))=1, WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1=1, WrapperStruct00.var_1_11=0, WrapperStruct00.var_1_1=127, WrapperStruct00.var_1_3=127, WrapperStruct00.var_1_4=-65, WrapperStruct00.var_1_5=2, WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1] [L122] EXPR ((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1) VAL [((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)=1, (WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))=1, WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1=1, WrapperStruct00.var_1_11=0, WrapperStruct00.var_1_1=127, WrapperStruct00.var_1_3=127, WrapperStruct00.var_1_4=-65, WrapperStruct00.var_1_5=2, WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1] [L122] EXPR (((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)) && (((WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18)))) >= WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)))) : 1) [L122] EXPR WrapperStruct00.var_1_12 [L122] EXPR WrapperStruct00.var_1_18 VAL [(((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)) && (((WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18)))) >= WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)))) : 1)=1, ((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)=1, (WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))=1, WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1=1, WrapperStruct00.var_1_11=0, WrapperStruct00.var_1_12=21/2, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_1=127, WrapperStruct00.var_1_3=127, WrapperStruct00.var_1_4=-65, WrapperStruct00.var_1_5=2, WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1] [L122] EXPR ((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18) [L122] EXPR WrapperStruct00.var_1_18 [L122] EXPR ((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18) VAL [(((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)) && (((WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18)))) >= WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)))) : 1)=1, ((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)=1, (WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))=1, WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1=1, WrapperStruct00.var_1_11=0, WrapperStruct00.var_1_12=21/2, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_1=127, WrapperStruct00.var_1_3=127, WrapperStruct00.var_1_4=-65, WrapperStruct00.var_1_5=2, WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1] [L122] EXPR WrapperStruct00.var_1_18 VAL [(((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)) && (((WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18)))) >= WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)))) : 1)=1, ((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)=1, (WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))=1, WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1=1, WrapperStruct00.var_1_11=0, WrapperStruct00.var_1_12=21/2, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_1=127, WrapperStruct00.var_1_3=127, WrapperStruct00.var_1_4=-65, WrapperStruct00.var_1_5=2, WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1] [L122] EXPR ((WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18)))) >= WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)))) : 1 VAL [(((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)) && (((WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18)))) >= WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)))) : 1)=1, ((WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18)))) >= WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)))) : 1=1, ((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)=1, (WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))=1, WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1=1, WrapperStruct00.var_1_11=0, WrapperStruct00.var_1_12=21/2, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_1=127, WrapperStruct00.var_1_3=127, WrapperStruct00.var_1_4=-65, WrapperStruct00.var_1_5=2, WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1] [L122] EXPR (((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)) && (((WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18)))) >= WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)))) : 1) VAL [(((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)) && (((WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18)))) >= WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)))) : 1)=1, ((WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18)))) >= WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)))) : 1=1, ((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)=1, (WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))=1, WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1=1, WrapperStruct00.var_1_11=0, WrapperStruct00.var_1_12=21/2, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_1=127, WrapperStruct00.var_1_3=127, WrapperStruct00.var_1_4=-65, WrapperStruct00.var_1_5=2, WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1] [L122] EXPR ((((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)) && (((WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18)))) >= WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)))) : 1)) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_19)) [L122] EXPR WrapperStruct00.var_1_18 [L122] EXPR WrapperStruct00.var_1_19 [L122] EXPR ((((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)) && (((WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18)))) >= WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)))) : 1)) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_19)) VAL [(((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)) && (((WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18)))) >= WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)))) : 1)=1, ((WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18)))) >= WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)))) : 1=1, ((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)=1, (WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))=1, WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1=1, WrapperStruct00.var_1_11=0, WrapperStruct00.var_1_12=21/2, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_18=203/4, WrapperStruct00.var_1_19=203/4, WrapperStruct00.var_1_1=127, WrapperStruct00.var_1_3=127, WrapperStruct00.var_1_4=-65, WrapperStruct00.var_1_5=2, WrapperStruct00.var_1_6=49, WrapperStruct00={4:0}, isInitial=1] [L122-L123] return ((((WrapperStruct00.var_1_4 > (WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) ? (((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_3))) / WrapperStruct00.var_1_7) <= WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_7)) : 1) : (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3))) && (WrapperStruct00.var_1_11 ? ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_8 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (((WrapperStruct00.var_1_1 % WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_1 * (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_6))) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_10)) : 1)) : 1)) && (((WrapperStruct00.var_1_12 - ((((WrapperStruct00.var_1_18) < 0 ) ? -(WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18)))) >= WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_11 == ((unsigned char) (((WrapperStruct00.var_1_6 < WrapperStruct00.var_1_1) && WrapperStruct00.var_1_15) || (WrapperStruct00.var_1_16 || WrapperStruct00.var_1_17)))) : 1)) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_19)) ; [L132] RET, EXPR property() [L132] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 118 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 39.2s, OverallIterations: 23, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2851 SdHoareTripleChecker+Valid, 10.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2806 mSDsluCounter, 13883 SdHoareTripleChecker+Invalid, 9.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10250 mSDsCounter, 290 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8074 IncrementalHoareTripleChecker+Invalid, 8364 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 290 mSolverCounterUnsat, 3633 mSDtfsCounter, 8074 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4647 GetRequests, 4431 SyntacticMatches, 11 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1119occurred in iteration=18, InterpolantAutomatonStates: 200, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 22 MinimizatonAttempts, 1827 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 3935 NumberOfCodeBlocks, 3935 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 4572 ConstructedInterpolants, 0 QuantifiedInterpolants, 18035 SizeOfPredicates, 131 NumberOfNonLiveVariables, 11116 ConjunctsInSsa, 349 ConjunctsInUnsatCore, 28 InterpolantComputations, 19 PerfectInterpolantSequences, 22740/23520 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 23:04:13,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/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_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/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_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-44.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/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_63d7c985-92ca-4a39-925f-8178e77d62df/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 f5e750e5fa316e30fef8e3158d304f9d418ce308f7b74e89da459ba726747abe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:04:16,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:04:16,687 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 23:04:16,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:04:16,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:04:16,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:04:16,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:04:16,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:04:16,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:04:16,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:04:16,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:04:16,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:04:16,750 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:04:16,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:04:16,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:04:16,754 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:04:16,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:04:16,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:04:16,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:04:16,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:04:16,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:04:16,757 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:04:16,758 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:04:16,758 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:04:16,758 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:04:16,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:04:16,759 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:04:16,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:04:16,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:04:16,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:04:16,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:04:16,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:04:16,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:04:16,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:04:16,763 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:04:16,763 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:04:16,764 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:04:16,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:04:16,764 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:04:16,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:04:16,766 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:04:16,766 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:04:16,766 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_63d7c985-92ca-4a39-925f-8178e77d62df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5e750e5fa316e30fef8e3158d304f9d418ce308f7b74e89da459ba726747abe [2023-11-06 23:04:17,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:04:17,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:04:17,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:04:17,203 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:04:17,204 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:04:17,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-44.i [2023-11-06 23:04:20,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:04:21,076 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:04:21,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-44.i [2023-11-06 23:04:21,088 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/data/7b0e62dda/0f5aff8a39b346e8b488bce62710ead8/FLAG7dba134a4 [2023-11-06 23:04:21,102 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/data/7b0e62dda/0f5aff8a39b346e8b488bce62710ead8 [2023-11-06 23:04:21,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:04:21,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:04:21,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:04:21,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:04:21,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:04:21,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:04:21" (1/1) ... [2023-11-06 23:04:21,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4feb16d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:21, skipping insertion in model container [2023-11-06 23:04:21,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:04:21" (1/1) ... [2023-11-06 23:04:21,151 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:04:21,333 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_63d7c985-92ca-4a39-925f-8178e77d62df/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-44.i[916,929] [2023-11-06 23:04:21,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:04:21,482 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:04:21,503 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_63d7c985-92ca-4a39-925f-8178e77d62df/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-44.i[916,929] [2023-11-06 23:04:21,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:04:21,617 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:04:21,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:21 WrapperNode [2023-11-06 23:04:21,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:04:21,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:04:21,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:04:21,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:04:21,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:21" (1/1) ... [2023-11-06 23:04:21,666 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:21" (1/1) ... [2023-11-06 23:04:21,762 INFO L138 Inliner]: procedures = 36, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 427 [2023-11-06 23:04:21,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:04:21,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:04:21,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:04:21,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:04:21,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:21" (1/1) ... [2023-11-06 23:04:21,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:21" (1/1) ... [2023-11-06 23:04:21,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:21" (1/1) ... [2023-11-06 23:04:21,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:21" (1/1) ... [2023-11-06 23:04:21,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:21" (1/1) ... [2023-11-06 23:04:21,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:21" (1/1) ... [2023-11-06 23:04:21,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:21" (1/1) ... [2023-11-06 23:04:21,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:21" (1/1) ... [2023-11-06 23:04:21,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:04:21,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:04:21,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:04:21,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:04:21,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:21" (1/1) ... [2023-11-06 23:04:21,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:04:21,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:21,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:22,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:04:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:04:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-06 23:04:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-06 23:04:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-06 23:04:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:04:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-06 23:04:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-06 23:04:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-06 23:04:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 23:04:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-06 23:04:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-06 23:04:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:04:22,025 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:04:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:04:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:04:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-06 23:04:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 23:04:22,196 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:04:22,199 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:04:28,319 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:04:28,333 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:04:28,334 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:04:28,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:04:28 BoogieIcfgContainer [2023-11-06 23:04:28,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:04:28,343 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:04:28,344 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:04:28,348 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:04:28,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:04:21" (1/3) ... [2023-11-06 23:04:28,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c84f53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:04:28, skipping insertion in model container [2023-11-06 23:04:28,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:21" (2/3) ... [2023-11-06 23:04:28,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c84f53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:04:28, skipping insertion in model container [2023-11-06 23:04:28,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:04:28" (3/3) ... [2023-11-06 23:04:28,358 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-44.i [2023-11-06 23:04:28,386 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:04:28,387 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:04:28,467 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:04:28,476 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;@7437b9e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:04:28,477 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:04:28,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 94 states have (on average 1.3829787234042554) internal successors, (130), 95 states have internal predecessors, (130), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 23:04:28,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 23:04:28,520 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:28,522 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:28,523 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:04:28,532 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:28,538 INFO L85 PathProgramCache]: Analyzing trace with hash -532184568, now seen corresponding path program 1 times [2023-11-06 23:04:28,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:04:28,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948894526] [2023-11-06 23:04:28,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:28,567 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 23:04:28,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:04:28,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/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 23:04:28,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/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 23:04:29,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/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 23:04:29,061 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_63d7c985-92ca-4a39-925f-8178e77d62df/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_63d7c985-92ca-4a39-925f-8178e77d62df/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 23:04:29,072 INFO L158 Benchmark]: Toolchain (without parser) took 7964.12ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 35.0MB in the end (delta: 31.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-06 23:04:29,073 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:04:29,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.96ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 48.5MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 23:04:29,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 149.45ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 67.6MB in the end (delta: -19.2MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-11-06 23:04:29,076 INFO L158 Benchmark]: Boogie Preprocessor took 125.24ms. Allocated memory is still 90.2MB. Free memory was 67.6MB in the beginning and 63.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:04:29,078 INFO L158 Benchmark]: RCFGBuilder took 6442.12ms. Allocated memory is still 90.2MB. Free memory was 63.9MB in the beginning and 59.5MB in the end (delta: 4.3MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-06 23:04:29,079 INFO L158 Benchmark]: TraceAbstraction took 726.05ms. Allocated memory is still 90.2MB. Free memory was 58.5MB in the beginning and 35.0MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 23:04:29,083 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 510.96ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 48.5MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 149.45ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 67.6MB in the end (delta: -19.2MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.24ms. Allocated memory is still 90.2MB. Free memory was 67.6MB in the beginning and 63.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 6442.12ms. Allocated memory is still 90.2MB. Free memory was 63.9MB in the beginning and 59.5MB in the end (delta: 4.3MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * TraceAbstraction took 726.05ms. Allocated memory is still 90.2MB. Free memory was 58.5MB in the beginning and 35.0MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. 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_63d7c985-92ca-4a39-925f-8178e77d62df/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_63d7c985-92ca-4a39-925f-8178e77d62df/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 23:04:29,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d7c985-92ca-4a39-925f-8178e77d62df/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.