./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 53cf1c89f0977ad1ca8f0cd80861a2586d1d5ed487af656b04baa58a1567d392 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:15:40,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:15:40,477 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:15:40,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:15:40,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:15:40,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:15:40,530 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:15:40,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:15:40,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:15:40,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:15:40,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:15:40,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:15:40,541 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:15:40,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:15:40,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:15:40,544 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:15:40,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:15:40,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:15:40,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:15:40,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:15:40,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:15:40,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:15:40,548 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:15:40,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:15:40,549 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:15:40,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:15:40,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:15:40,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:15:40,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:40,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:15:40,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:15:40,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:15:40,553 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:15:40,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:15:40,554 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:15:40,554 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:15:40,554 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:15:40,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:15:40,555 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:15:40,555 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_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53cf1c89f0977ad1ca8f0cd80861a2586d1d5ed487af656b04baa58a1567d392 [2023-11-12 02:15:40,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:15:40,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:15:40,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:15:40,943 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:15:40,944 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:15:40,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i [2023-11-12 02:15:44,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:15:44,378 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:15:44,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i [2023-11-12 02:15:44,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/data/d0de0c5d0/6fa2166ddd3b4805ab8c30cc3887f5d1/FLAG34da2bc8a [2023-11-12 02:15:44,400 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/data/d0de0c5d0/6fa2166ddd3b4805ab8c30cc3887f5d1 [2023-11-12 02:15:44,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:15:44,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:15:44,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:44,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:15:44,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:15:44,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:44" (1/1) ... [2023-11-12 02:15:44,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435b933f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:44, skipping insertion in model container [2023-11-12 02:15:44,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:44" (1/1) ... [2023-11-12 02:15:44,443 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:15:44,604 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_65ba86a0-f8d0-4d1e-8644-1034ae650e01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i[916,929] [2023-11-12 02:15:44,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:44,687 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:15:44,698 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_65ba86a0-f8d0-4d1e-8644-1034ae650e01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i[916,929] [2023-11-12 02:15:44,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:44,757 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:15:44,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:44 WrapperNode [2023-11-12 02:15:44,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:44,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:44,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:15:44,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:15:44,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:44" (1/1) ... [2023-11-12 02:15:44,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:44" (1/1) ... [2023-11-12 02:15:44,851 INFO L138 Inliner]: procedures = 29, calls = 127, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 355 [2023-11-12 02:15:44,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:44,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:15:44,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:15:44,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:15:44,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:44" (1/1) ... [2023-11-12 02:15:44,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:44" (1/1) ... [2023-11-12 02:15:44,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:44" (1/1) ... [2023-11-12 02:15:44,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:44" (1/1) ... [2023-11-12 02:15:44,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:44" (1/1) ... [2023-11-12 02:15:44,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:44" (1/1) ... [2023-11-12 02:15:44,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:44" (1/1) ... [2023-11-12 02:15:44,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:44" (1/1) ... [2023-11-12 02:15:44,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:15:44,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:15:44,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:15:44,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:15:44,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:44" (1/1) ... [2023-11-12 02:15:44,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:44,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:44,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:15:44,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:15:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:15:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-12 02:15:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:15:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-12 02:15:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:15:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-12 02:15:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:15:45,024 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:15:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:15:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:15:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:15:45,173 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:15:45,179 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:15:45,845 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:15:45,853 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:15:45,854 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:15:45,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:45 BoogieIcfgContainer [2023-11-12 02:15:45,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:15:45,859 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:15:45,860 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:15:45,863 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:15:45,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:15:44" (1/3) ... [2023-11-12 02:15:45,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354a0e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:15:45, skipping insertion in model container [2023-11-12 02:15:45,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:44" (2/3) ... [2023-11-12 02:15:45,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354a0e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:15:45, skipping insertion in model container [2023-11-12 02:15:45,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:45" (3/3) ... [2023-11-12 02:15:45,867 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-46.i [2023-11-12 02:15:45,892 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:15:45,892 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:15:45,955 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:15:45,963 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7e79e7cb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:15:45,963 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:15:45,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 82 states have (on average 1.4268292682926829) internal successors, (117), 83 states have internal predecessors, (117), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-12 02:15:45,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-12 02:15:45,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:45,987 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:45,988 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:45,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:45,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1445805892, now seen corresponding path program 1 times [2023-11-12 02:15:46,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:46,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593247655] [2023-11-12 02:15:46,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:46,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:46,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593247655] [2023-11-12 02:15:46,301 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:15:46,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777630631] [2023-11-12 02:15:46,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:46,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:46,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:46,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:46,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:15:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:15:46,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:46,670 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2023-11-12 02:15:46,671 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:15:46,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777630631] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:46,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:46,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:15:46,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62868103] [2023-11-12 02:15:46,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:46,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:15:46,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:46,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:15:46,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:15:46,738 INFO L87 Difference]: Start difference. First operand has 99 states, 82 states have (on average 1.4268292682926829) internal successors, (117), 83 states have internal predecessors, (117), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:15:46,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:46,792 INFO L93 Difference]: Finished difference Result 191 states and 298 transitions. [2023-11-12 02:15:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:15:46,795 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 116 [2023-11-12 02:15:46,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:46,806 INFO L225 Difference]: With dead ends: 191 [2023-11-12 02:15:46,806 INFO L226 Difference]: Without dead ends: 95 [2023-11-12 02:15:46,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:15:46,816 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:46,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:15:46,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-12 02:15:46,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2023-11-12 02:15:46,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 79 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-12 02:15:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2023-11-12 02:15:46,873 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 116 [2023-11-12 02:15:46,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:46,874 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2023-11-12 02:15:46,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:15:46,874 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2023-11-12 02:15:46,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-12 02:15:46,883 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:46,883 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:46,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 02:15:47,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:15:47,089 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:47,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:47,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1224916520, now seen corresponding path program 1 times [2023-11-12 02:15:47,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:47,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467598009] [2023-11-12 02:15:47,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:47,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:47,162 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:15:47,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1848086317] [2023-11-12 02:15:47,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:47,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:47,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:47,164 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:47,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:15:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:47,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 02:15:47,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:47,542 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 [2023-11-12 02:15:47,743 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 73 [2023-11-12 02:15:47,763 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:15:47,764 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 97 [2023-11-12 02:15:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:15:47,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:15:47,832 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2023-11-12 02:15:47,987 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:15:47,988 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 47 [2023-11-12 02:15:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-12 02:15:48,028 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:15:48,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:48,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467598009] [2023-11-12 02:15:48,030 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:15:48,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848086317] [2023-11-12 02:15:48,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848086317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:48,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:48,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:15:48,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995630841] [2023-11-12 02:15:48,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:48,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:15:48,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:48,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:15:48,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:15:48,037 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:15:48,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:48,692 INFO L93 Difference]: Finished difference Result 238 states and 344 transitions. [2023-11-12 02:15:48,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:15:48,696 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2023-11-12 02:15:48,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:48,700 INFO L225 Difference]: With dead ends: 238 [2023-11-12 02:15:48,703 INFO L226 Difference]: Without dead ends: 146 [2023-11-12 02:15:48,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:15:48,707 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 71 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:48,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 553 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:15:48,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-12 02:15:48,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 143. [2023-11-12 02:15:48,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 125 states have (on average 1.408) internal successors, (176), 126 states have internal predecessors, (176), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-12 02:15:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 206 transitions. [2023-11-12 02:15:48,740 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 206 transitions. Word has length 116 [2023-11-12 02:15:48,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:48,741 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 206 transitions. [2023-11-12 02:15:48,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:15:48,742 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 206 transitions. [2023-11-12 02:15:48,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-12 02:15:48,744 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:48,744 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:48,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:15:48,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:48,951 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:48,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:48,952 INFO L85 PathProgramCache]: Analyzing trace with hash 638110506, now seen corresponding path program 1 times [2023-11-12 02:15:48,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:48,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524554981] [2023-11-12 02:15:48,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:48,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:49,033 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:15:49,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [539427494] [2023-11-12 02:15:49,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:49,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:49,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:49,037 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:49,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:15:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:49,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-12 02:15:49,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:49,303 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-12 02:15:49,345 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 69 [2023-11-12 02:15:49,357 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:15:49,358 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 91 [2023-11-12 02:15:49,447 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 26 [2023-11-12 02:15:49,642 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:15:49,643 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 112 treesize of output 60 [2023-11-12 02:15:49,678 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-12 02:15:49,678 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:15:49,820 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-12 02:15:49,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:49,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524554981] [2023-11-12 02:15:49,820 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:15:49,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539427494] [2023-11-12 02:15:49,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539427494] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-12 02:15:49,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:15:49,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2023-11-12 02:15:49,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168388622] [2023-11-12 02:15:49,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:49,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:15:49,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:49,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:15:49,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:15:49,824 INFO L87 Difference]: Start difference. First operand 143 states and 206 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:15:50,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:50,191 INFO L93 Difference]: Finished difference Result 459 states and 666 transitions. [2023-11-12 02:15:50,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:15:50,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2023-11-12 02:15:50,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:50,197 INFO L225 Difference]: With dead ends: 459 [2023-11-12 02:15:50,197 INFO L226 Difference]: Without dead ends: 319 [2023-11-12 02:15:50,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-11-12 02:15:50,200 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 171 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:50,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 327 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:15:50,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2023-11-12 02:15:50,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 162. [2023-11-12 02:15:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 144 states have (on average 1.4027777777777777) internal successors, (202), 145 states have internal predecessors, (202), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-12 02:15:50,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 232 transitions. [2023-11-12 02:15:50,224 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 232 transitions. Word has length 116 [2023-11-12 02:15:50,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:50,225 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 232 transitions. [2023-11-12 02:15:50,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:15:50,225 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 232 transitions. [2023-11-12 02:15:50,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-12 02:15:50,228 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:50,228 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:50,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:15:50,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:50,435 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:50,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:50,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1453397179, now seen corresponding path program 1 times [2023-11-12 02:15:50,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:50,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332260680] [2023-11-12 02:15:50,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:50,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:50,517 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:15:50,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1280098934] [2023-11-12 02:15:50,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:50,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:50,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:50,524 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:50,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:15:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:50,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 02:15:50,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:50,738 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 8 [2023-11-12 02:15:50,745 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-12 02:15:50,746 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:15:50,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:50,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332260680] [2023-11-12 02:15:50,747 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:15:50,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280098934] [2023-11-12 02:15:50,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280098934] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:50,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:50,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:15:50,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204896209] [2023-11-12 02:15:50,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:50,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:15:50,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:50,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:15:50,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:15:50,752 INFO L87 Difference]: Start difference. First operand 162 states and 232 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:15:50,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:50,989 INFO L93 Difference]: Finished difference Result 415 states and 595 transitions. [2023-11-12 02:15:50,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:15:50,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-12 02:15:50,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:50,993 INFO L225 Difference]: With dead ends: 415 [2023-11-12 02:15:50,993 INFO L226 Difference]: Without dead ends: 256 [2023-11-12 02:15:50,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:15:50,995 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 125 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:50,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 402 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:15:50,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-11-12 02:15:51,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 162. [2023-11-12 02:15:51,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 144 states have (on average 1.3958333333333333) internal successors, (201), 145 states have internal predecessors, (201), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-12 02:15:51,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 231 transitions. [2023-11-12 02:15:51,043 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 231 transitions. Word has length 118 [2023-11-12 02:15:51,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:51,044 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 231 transitions. [2023-11-12 02:15:51,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:15:51,045 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 231 transitions. [2023-11-12 02:15:51,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-12 02:15:51,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:51,060 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:51,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:15:51,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:51,263 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:51,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:51,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1846424189, now seen corresponding path program 1 times [2023-11-12 02:15:51,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:51,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367157094] [2023-11-12 02:15:51,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:51,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:51,305 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:15:51,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2061098942] [2023-11-12 02:15:51,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:51,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:51,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:51,312 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:51,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:15:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:51,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:15:51,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:51,515 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-12 02:15:51,516 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:15:51,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:51,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367157094] [2023-11-12 02:15:51,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:15:51,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061098942] [2023-11-12 02:15:51,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061098942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:51,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:51,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:15:51,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696799971] [2023-11-12 02:15:51,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:51,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:15:51,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:51,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:15:51,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:15:51,519 INFO L87 Difference]: Start difference. First operand 162 states and 231 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:15:51,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:51,573 INFO L93 Difference]: Finished difference Result 350 states and 502 transitions. [2023-11-12 02:15:51,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:15:51,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-12 02:15:51,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:51,575 INFO L225 Difference]: With dead ends: 350 [2023-11-12 02:15:51,575 INFO L226 Difference]: Without dead ends: 191 [2023-11-12 02:15:51,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:15:51,577 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 56 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:51,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 535 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:15:51,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-11-12 02:15:51,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 167. [2023-11-12 02:15:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 149 states have (on average 1.3825503355704698) internal successors, (206), 150 states have internal predecessors, (206), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-12 02:15:51,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 236 transitions. [2023-11-12 02:15:51,589 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 236 transitions. Word has length 118 [2023-11-12 02:15:51,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:51,590 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 236 transitions. [2023-11-12 02:15:51,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:15:51,590 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 236 transitions. [2023-11-12 02:15:51,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-12 02:15:51,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:51,593 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:51,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-12 02:15:51,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:51,799 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:51,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:51,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1761881403, now seen corresponding path program 1 times [2023-11-12 02:15:51,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:51,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311407646] [2023-11-12 02:15:51,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:51,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:51,844 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:15:51,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1493007828] [2023-11-12 02:15:51,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:51,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:51,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:51,846 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:51,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 02:15:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:52,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-12 02:15:52,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:52,067 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 [2023-11-12 02:15:52,099 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:15:52,099 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 [2023-11-12 02:15:52,123 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-12 02:15:52,123 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:15:52,215 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-12 02:15:52,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:52,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311407646] [2023-11-12 02:15:52,215 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:15:52,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493007828] [2023-11-12 02:15:52,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493007828] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-12 02:15:52,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:15:52,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2023-11-12 02:15:52,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115441159] [2023-11-12 02:15:52,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:52,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:15:52,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:52,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:15:52,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:15:52,218 INFO L87 Difference]: Start difference. First operand 167 states and 236 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:15:52,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:52,629 INFO L93 Difference]: Finished difference Result 390 states and 549 transitions. [2023-11-12 02:15:52,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-12 02:15:52,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-12 02:15:52,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:52,632 INFO L225 Difference]: With dead ends: 390 [2023-11-12 02:15:52,632 INFO L226 Difference]: Without dead ends: 226 [2023-11-12 02:15:52,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2023-11-12 02:15:52,634 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 145 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:52,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 669 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:15:52,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2023-11-12 02:15:52,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 196. [2023-11-12 02:15:52,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 168 states have (on average 1.3571428571428572) internal successors, (228), 170 states have internal predecessors, (228), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 21 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 02:15:52,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 274 transitions. [2023-11-12 02:15:52,651 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 274 transitions. Word has length 118 [2023-11-12 02:15:52,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:52,652 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 274 transitions. [2023-11-12 02:15:52,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:15:52,652 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 274 transitions. [2023-11-12 02:15:52,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-12 02:15:52,654 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:52,654 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:52,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:15:52,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:52,861 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:52,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:52,861 INFO L85 PathProgramCache]: Analyzing trace with hash -2138542379, now seen corresponding path program 1 times [2023-11-12 02:15:52,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:52,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947568331] [2023-11-12 02:15:52,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:52,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:52,944 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:15:52,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [611317542] [2023-11-12 02:15:52,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:52,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:52,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:52,947 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:52,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-12 02:15:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:53,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-12 02:15:53,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:53,245 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 [2023-11-12 02:15:53,276 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 [2023-11-12 02:15:53,331 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 [2023-11-12 02:15:53,365 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 [2023-11-12 02:15:53,399 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 [2023-11-12 02:15:53,439 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 [2023-11-12 02:15:53,469 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 [2023-11-12 02:15:53,760 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:15:53,760 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 98 treesize of output 61 [2023-11-12 02:15:53,979 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:15:53,980 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 121 treesize of output 39 [2023-11-12 02:15:54,246 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-12 02:15:54,246 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:15:54,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:54,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947568331] [2023-11-12 02:15:54,247 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:15:54,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611317542] [2023-11-12 02:15:54,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611317542] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:54,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:54,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:15:54,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771240929] [2023-11-12 02:15:54,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:54,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:15:54,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:54,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:15:54,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:15:54,250 INFO L87 Difference]: Start difference. First operand 196 states and 274 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:15:57,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-12 02:15:59,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-12 02:16:01,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:16:01,920 INFO L93 Difference]: Finished difference Result 774 states and 1084 transitions. [2023-11-12 02:16:01,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 02:16:01,921 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-12 02:16:01,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:16:01,925 INFO L225 Difference]: With dead ends: 774 [2023-11-12 02:16:01,926 INFO L226 Difference]: Without dead ends: 593 [2023-11-12 02:16:01,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-11-12 02:16:01,928 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 218 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 18 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-11-12 02:16:01,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 609 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 730 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2023-11-12 02:16:01,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2023-11-12 02:16:01,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 431. [2023-11-12 02:16:01,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 378 states have (on average 1.3783068783068784) internal successors, (521), 381 states have internal predecessors, (521), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-12 02:16:01,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 611 transitions. [2023-11-12 02:16:01,980 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 611 transitions. Word has length 118 [2023-11-12 02:16:01,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:16:01,981 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 611 transitions. [2023-11-12 02:16:01,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:16:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 611 transitions. [2023-11-12 02:16:01,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-12 02:16:01,984 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:01,984 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:01,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-12 02:16:02,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:16:02,190 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:16:02,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:02,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1463367253, now seen corresponding path program 1 times [2023-11-12 02:16:02,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:02,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448385731] [2023-11-12 02:16:02,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:02,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:02,237 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:16:02,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1350725966] [2023-11-12 02:16:02,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:02,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:16:02,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:16:02,239 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:16:02,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-12 02:16:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:02,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-12 02:16:02,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:16:02,512 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 [2023-11-12 02:16:02,575 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 [2023-11-12 02:16:02,693 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 [2023-11-12 02:16:02,831 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-12 02:16:02,911 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 [2023-11-12 02:16:02,993 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 [2023-11-12 02:16:03,074 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 [2023-11-12 02:16:03,313 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:16:03,313 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 45 [2023-11-12 02:16:03,697 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:16:03,701 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 60 [2023-11-12 02:16:03,720 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-12 02:16:03,721 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:16:04,587 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-12 02:16:04,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:04,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448385731] [2023-11-12 02:16:04,588 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:16:04,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350725966] [2023-11-12 02:16:04,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350725966] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-12 02:16:04,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:16:04,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 19 [2023-11-12 02:16:04,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649199884] [2023-11-12 02:16:04,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:04,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:16:04,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:04,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:16:04,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2023-11-12 02:16:04,591 INFO L87 Difference]: Start difference. First operand 431 states and 611 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:16:06,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:16:06,407 INFO L93 Difference]: Finished difference Result 975 states and 1379 transitions. [2023-11-12 02:16:06,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:16:06,409 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2023-11-12 02:16:06,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:16:06,413 INFO L225 Difference]: With dead ends: 975 [2023-11-12 02:16:06,414 INFO L226 Difference]: Without dead ends: 547 [2023-11-12 02:16:06,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2023-11-12 02:16:06,416 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 404 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:16:06,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 462 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-12 02:16:06,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2023-11-12 02:16:06,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 452. [2023-11-12 02:16:06,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 399 states have (on average 1.3884711779448622) internal successors, (554), 402 states have internal predecessors, (554), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-12 02:16:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 644 transitions. [2023-11-12 02:16:06,453 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 644 transitions. Word has length 118 [2023-11-12 02:16:06,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:16:06,453 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 644 transitions. [2023-11-12 02:16:06,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:16:06,454 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 644 transitions. [2023-11-12 02:16:06,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-12 02:16:06,456 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:06,456 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:06,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-12 02:16:06,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-12 02:16:06,663 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:16:06,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:06,664 INFO L85 PathProgramCache]: Analyzing trace with hash 876561239, now seen corresponding path program 1 times [2023-11-12 02:16:06,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:06,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801411603] [2023-11-12 02:16:06,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:06,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:06,712 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:16:06,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [352905592] [2023-11-12 02:16:06,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:06,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:16:06,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:16:06,714 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:16:06,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-12 02:16:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:06,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-12 02:16:06,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:16:06,981 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 [2023-11-12 02:16:07,033 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 [2023-11-12 02:16:07,131 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 [2023-11-12 02:16:07,194 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 [2023-11-12 02:16:07,258 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 [2023-11-12 02:16:07,396 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 [2023-11-12 02:16:07,491 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 [2023-11-12 02:16:07,708 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:16:07,709 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 45 [2023-11-12 02:16:07,942 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:16:07,943 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 23 [2023-11-12 02:16:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-12 02:16:08,015 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:16:08,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:08,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801411603] [2023-11-12 02:16:08,015 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:16:08,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352905592] [2023-11-12 02:16:08,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352905592] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:08,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:08,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-12 02:16:08,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736107418] [2023-11-12 02:16:08,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:08,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:16:08,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:08,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:16:08,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:16:08,018 INFO L87 Difference]: Start difference. First operand 452 states and 644 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:16:10,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:16:10,006 INFO L93 Difference]: Finished difference Result 1014 states and 1434 transitions. [2023-11-12 02:16:10,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 02:16:10,007 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2023-11-12 02:16:10,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:16:10,012 INFO L225 Difference]: With dead ends: 1014 [2023-11-12 02:16:10,012 INFO L226 Difference]: Without dead ends: 563 [2023-11-12 02:16:10,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:16:10,014 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 282 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:16:10,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 597 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-12 02:16:10,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2023-11-12 02:16:10,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 451. [2023-11-12 02:16:10,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 398 states have (on average 1.3869346733668342) internal successors, (552), 401 states have internal predecessors, (552), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-12 02:16:10,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 642 transitions. [2023-11-12 02:16:10,046 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 642 transitions. Word has length 118 [2023-11-12 02:16:10,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:16:10,046 INFO L495 AbstractCegarLoop]: Abstraction has 451 states and 642 transitions. [2023-11-12 02:16:10,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:16:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 642 transitions. [2023-11-12 02:16:10,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-12 02:16:10,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:10,049 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:10,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:16:10,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:16:10,257 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:16:10,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:10,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1169973619, now seen corresponding path program 1 times [2023-11-12 02:16:10,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:10,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399146580] [2023-11-12 02:16:10,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:10,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:10,297 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:16:10,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1894172054] [2023-11-12 02:16:10,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:10,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:16:10,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:16:10,304 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:16:10,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-12 02:16:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:16:10,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:16:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:16:11,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:16:11,013 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:16:11,014 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:16:11,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:16:11,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-12 02:16:11,223 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:11,227 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:16:11,280 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-12 02:16:11,281 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-12 02:16:11,282 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-12 02:16:11,282 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-12 02:16:11,282 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-12 02:16:11,282 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-12 02:16:11,283 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-12 02:16:11,283 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-12 02:16:11,283 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-12 02:16:11,284 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-12 02:16:11,284 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-12 02:16:11,285 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-12 02:16:11,285 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-12 02:16:11,286 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-12 02:16:11,286 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-12 02:16:11,286 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-12 02:16:11,287 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-12 02:16:11,287 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-12 02:16:11,288 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-12 02:16:11,289 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-12 02:16:11,289 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-12 02:16:11,290 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-12 02:16:11,290 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-12 02:16:11,290 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-12 02:16:11,291 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-12 02:16:11,291 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-12 02:16:11,292 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-12 02:16:11,292 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-12 02:16:11,293 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-12 02:16:11,293 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-12 02:16:11,294 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-12 02:16:11,294 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-12 02:16:11,295 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-12 02:16:11,295 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-12 02:16:11,296 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-12 02:16:11,296 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-12 02:16:11,297 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-12 02:16:11,297 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-12 02:16:11,297 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-12 02:16:11,297 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-12 02:16:11,298 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-12 02:16:11,298 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-12 02:16:11,298 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-11-12 02:16:11,298 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite11 could not be translated [2023-11-12 02:16:11,298 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated [2023-11-12 02:16:11,299 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-11-12 02:16:11,299 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated [2023-11-12 02:16:11,300 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated [2023-11-12 02:16:11,300 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated [2023-11-12 02:16:11,300 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-12 02:16:11,300 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated [2023-11-12 02:16:11,301 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated [2023-11-12 02:16:11,301 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-12 02:16:11,301 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated [2023-11-12 02:16:11,301 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-12 02:16:11,302 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-12 02:16:11,302 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-12 02:16:11,302 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-12 02:16:11,302 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-12 02:16:11,303 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-12 02:16:11,303 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-12 02:16:11,303 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-12 02:16:11,303 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-12 02:16:11,303 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-12 02:16:11,304 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-12 02:16:11,304 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-12 02:16:11,304 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-12 02:16:11,304 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-12 02:16:11,304 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-12 02:16:11,305 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short102 could not be translated [2023-11-12 02:16:11,305 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-12 02:16:11,305 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-12 02:16:11,305 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-12 02:16:11,305 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-12 02:16:11,306 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-12 02:16:11,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:16:11 BoogieIcfgContainer [2023-11-12 02:16:11,323 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:16:11,328 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:16:11,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:16:11,330 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:16:11,331 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:45" (3/4) ... [2023-11-12 02:16:11,333 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:16:11,335 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:16:11,336 INFO L158 Benchmark]: Toolchain (without parser) took 26931.16ms. Allocated memory was 155.2MB in the beginning and 247.5MB in the end (delta: 92.3MB). Free memory was 108.5MB in the beginning and 115.4MB in the end (delta: -6.9MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2023-11-12 02:16:11,336 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:16:11,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.74ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 93.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:16:11,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.75ms. Allocated memory is still 155.2MB. Free memory was 93.7MB in the beginning and 90.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:16:11,338 INFO L158 Benchmark]: Boogie Preprocessor took 72.32ms. Allocated memory is still 155.2MB. Free memory was 90.1MB in the beginning and 87.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:16:11,339 INFO L158 Benchmark]: RCFGBuilder took 918.32ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 87.3MB in the beginning and 163.9MB in the end (delta: -76.5MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-11-12 02:16:11,339 INFO L158 Benchmark]: TraceAbstraction took 25463.92ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 162.8MB in the beginning and 116.4MB in the end (delta: 46.4MB). Peak memory consumption was 88.3MB. Max. memory is 16.1GB. [2023-11-12 02:16:11,339 INFO L158 Benchmark]: Witness Printer took 6.42ms. Allocated memory is still 247.5MB. Free memory was 116.4MB in the beginning and 115.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:16:11,342 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.74ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 93.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.75ms. Allocated memory is still 155.2MB. Free memory was 93.7MB in the beginning and 90.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.32ms. Allocated memory is still 155.2MB. Free memory was 90.1MB in the beginning and 87.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 918.32ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 87.3MB in the beginning and 163.9MB in the end (delta: -76.5MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * TraceAbstraction took 25463.92ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 162.8MB in the beginning and 116.4MB in the end (delta: 46.4MB). Peak memory consumption was 88.3MB. Max. memory is 16.1GB. * Witness Printer took 6.42ms. Allocated memory is still 247.5MB. Free memory was 116.4MB in the beginning and 115.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 116. Possible FailurePath: [L35] unsigned char isInitial = 0; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { 1, 31.75, -8, 0, 0, 1, 1, -4, 32, -25, 4 }; [L49] unsigned char last_1_WrapperStruct00_var_1_1 = 1; [L50] signed short int last_1_WrapperStruct00_var_1_10 = -4; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L120] isInitial = 1 [L121] FCALL initially() [L122] COND TRUE 1 [L123] CALL updateLastVariables() [L112] EXPR WrapperStruct00.var_1_1 [L112] last_1_WrapperStruct00_var_1_1 = WrapperStruct00.var_1_1 [L113] EXPR WrapperStruct00.var_1_10 [L113] last_1_WrapperStruct00_var_1_10 = WrapperStruct00.var_1_10 [L123] RET updateLastVariables() [L124] CALL updateVariables() [L89] WrapperStruct00.var_1_2 = __VERIFIER_nondet_double() [L90] EXPR WrapperStruct00.var_1_2 [L90] EXPR WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F [L90] EXPR WrapperStruct00.var_1_2 [L90] EXPR WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L90] EXPR (WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L90] CALL assume_abort_if_not((WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L90] RET assume_abort_if_not((WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L91] WrapperStruct00.var_1_4 = __VERIFIER_nondet_char() [L92] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= -128) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= -128) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L93] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L94] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_4 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_4 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L95] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L96] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L97] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L98] WrapperStruct00.var_1_7 = __VERIFIER_nondet_uchar() [L99] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L100] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L101] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L102] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L102] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L103] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L104] WrapperStruct00.var_1_12 = __VERIFIER_nondet_short() [L105] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= -1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= -1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L106] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 32766) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 32766) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L107] WrapperStruct00.var_1_16 = __VERIFIER_nondet_char() [L108] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L108] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L109] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L124] RET updateVariables() [L125] CALL step() [L54] EXPR WrapperStruct00.var_1_12 [L54] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L54] COND FALSE !(last_1_WrapperStruct00_var_1_10 <= (WrapperStruct00.var_1_12 / WrapperStruct00.var_1_4)) [L59] EXPR WrapperStruct00.var_1_4 [L59] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L59] EXPR ((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13) [L59] EXPR WrapperStruct00.var_1_4 [L59] EXPR ((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L59] signed long int stepLocal_1 = (((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13)); [L60] EXPR WrapperStruct00.var_1_13 [L60] EXPR WrapperStruct00.var_1_4 [L60] signed long int stepLocal_0 = WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4; [L61] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1, stepLocal_0=0, stepLocal_1=-27] [L61] COND TRUE (- WrapperStruct00.var_1_2) >= 16.75 [L62] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1, stepLocal_0=0, stepLocal_1=-27] [L62] COND TRUE stepLocal_0 >= WrapperStruct00.var_1_13 [L63] COND TRUE stepLocal_1 > -32 [L64] WrapperStruct00.var_1_1 = 0 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1, stepLocal_0=0, stepLocal_1=-27] [L78] EXPR WrapperStruct00.var_1_13 [L78] signed char stepLocal_2 = WrapperStruct00.var_1_13; [L79] EXPR WrapperStruct00.var_1_13 [L79] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1, stepLocal_0=0, stepLocal_1=-27, stepLocal_2=-25] [L79] EXPR WrapperStruct00.var_1_13 | WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1, stepLocal_0=0, stepLocal_1=-27, stepLocal_2=-25] [L79] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1, stepLocal_0=0, stepLocal_1=-27, stepLocal_2=-25] [L79] COND TRUE ((WrapperStruct00.var_1_13 | WrapperStruct00.var_1_13) + WrapperStruct00.var_1_4) < stepLocal_2 [L80] EXPR WrapperStruct00.var_1_12 [L80] WrapperStruct00.var_1_10 = (WrapperStruct00.var_1_12 - 256) [L84] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1, stepLocal_0=0, stepLocal_1=-27, stepLocal_2=-25] [L84] COND FALSE !(1 == WrapperStruct00.var_1_4) [L125] RET step() [L126] CALL, EXPR property() [L116] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L116] EXPR ((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1)) [L116] EXPR WrapperStruct00.var_1_1 [L116] EXPR ((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L116] EXPR (((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))) && ((1 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_9)) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L116] EXPR ((((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))) && ((1 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_9)) : 1)) && ((((WrapperStruct00.var_1_13 | WrapperStruct00.var_1_13) + WrapperStruct00.var_1_4) < WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_10 == ((signed short int) (WrapperStruct00.var_1_12 - 256))) : (WrapperStruct00.var_1_10 == ((signed short int) 128))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L116] EXPR (((((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))) && ((1 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_9)) : 1)) && ((((WrapperStruct00.var_1_13 | WrapperStruct00.var_1_13) + WrapperStruct00.var_1_4) < WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_10 == ((signed short int) (WrapperStruct00.var_1_12 - 256))) : (WrapperStruct00.var_1_10 == ((signed short int) 128)))) && ((last_1_WrapperStruct00_var_1_10 <= (WrapperStruct00.var_1_12 / WrapperStruct00.var_1_4)) ? (last_1_WrapperStruct00_var_1_1 ? (WrapperStruct00.var_1_13 == ((signed char) WrapperStruct00.var_1_16)) : 1) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L116-L117] return (((((- WrapperStruct00.var_1_2) >= 16.75) ? (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_4) >= WrapperStruct00.var_1_13) ? ((((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_13))) > -32) ? (WrapperStruct00.var_1_1 == ((unsigned char) 0)) : (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 || WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_1 == ((unsigned char) 1)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_1 == ((unsigned char) 1))) && ((1 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_8 == ((unsigned char) WrapperStruct00.var_1_9)) : 1)) && ((((WrapperStruct00.var_1_13 | WrapperStruct00.var_1_13) + WrapperStruct00.var_1_4) < WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_10 == ((signed short int) (WrapperStruct00.var_1_12 - 256))) : (WrapperStruct00.var_1_10 == ((signed short int) 128)))) && ((last_1_WrapperStruct00_var_1_10 <= (WrapperStruct00.var_1_12 / WrapperStruct00.var_1_4)) ? (last_1_WrapperStruct00_var_1_1 ? (WrapperStruct00.var_1_13 == ((signed char) WrapperStruct00.var_1_16)) : 1) : 1) ; [L126] RET, EXPR property() [L126] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_10=-4, last_1_WrapperStruct00_var_1_1=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.3s, OverallIterations: 10, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 1472 SdHoareTripleChecker+Valid, 11.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1472 mSDsluCounter, 4292 SdHoareTripleChecker+Invalid, 10.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3212 mSDsCounter, 132 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2972 IncrementalHoareTripleChecker+Invalid, 3106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 132 mSolverCounterUnsat, 1080 mSDtfsCounter, 2972 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1423 GetRequests, 1338 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=452occurred in iteration=8, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 677 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 1290 NumberOfCodeBlocks, 1290 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1396 ConstructedInterpolants, 1 QuantifiedInterpolants, 7173 SizeOfPredicates, 46 NumberOfNonLiveVariables, 3361 ConjunctsInSsa, 150 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 4287/4368 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 02:16:11,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/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_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 53cf1c89f0977ad1ca8f0cd80861a2586d1d5ed487af656b04baa58a1567d392 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:16:13,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:16:14,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:16:14,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:16:14,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:16:14,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:16:14,095 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:16:14,095 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:16:14,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:16:14,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:16:14,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:16:14,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:16:14,103 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:16:14,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:16:14,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:16:14,106 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:16:14,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:16:14,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:16:14,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:16:14,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:16:14,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:16:14,109 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:16:14,110 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:16:14,110 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:16:14,111 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:16:14,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:16:14,111 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:16:14,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:16:14,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:16:14,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:16:14,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:16:14,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:16:14,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:16:14,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:16:14,115 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:16:14,116 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:16:14,116 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:16:14,116 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:16:14,116 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:16:14,117 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:16:14,118 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:16:14,118 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:16:14,118 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_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53cf1c89f0977ad1ca8f0cd80861a2586d1d5ed487af656b04baa58a1567d392 [2023-11-12 02:16:14,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:16:14,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:16:14,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:16:14,600 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:16:14,600 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:16:14,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i [2023-11-12 02:16:17,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:16:18,218 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:16:18,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i [2023-11-12 02:16:18,228 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/data/c86d26d8d/51792f37fdf94640949f7df0d8107603/FLAG051b51424 [2023-11-12 02:16:18,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/data/c86d26d8d/51792f37fdf94640949f7df0d8107603 [2023-11-12 02:16:18,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:16:18,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:16:18,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:16:18,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:16:18,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:16:18,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:16:18" (1/1) ... [2023-11-12 02:16:18,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0365fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:18, skipping insertion in model container [2023-11-12 02:16:18,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:16:18" (1/1) ... [2023-11-12 02:16:18,309 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:16:18,504 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_65ba86a0-f8d0-4d1e-8644-1034ae650e01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i[916,929] [2023-11-12 02:16:18,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:16:18,622 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:16:18,640 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_65ba86a0-f8d0-4d1e-8644-1034ae650e01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-46.i[916,929] [2023-11-12 02:16:18,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:16:18,745 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:16:18,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:18 WrapperNode [2023-11-12 02:16:18,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:16:18,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:16:18,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:16:18,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:16:18,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:18" (1/1) ... [2023-11-12 02:16:18,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:18" (1/1) ... [2023-11-12 02:16:18,835 INFO L138 Inliner]: procedures = 33, calls = 127, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 331 [2023-11-12 02:16:18,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:16:18,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:16:18,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:16:18,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:16:18,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:18" (1/1) ... [2023-11-12 02:16:18,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:18" (1/1) ... [2023-11-12 02:16:18,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:18" (1/1) ... [2023-11-12 02:16:18,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:18" (1/1) ... [2023-11-12 02:16:18,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:18" (1/1) ... [2023-11-12 02:16:18,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:18" (1/1) ... [2023-11-12 02:16:18,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:18" (1/1) ... [2023-11-12 02:16:18,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:18" (1/1) ... [2023-11-12 02:16:18,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:16:18,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:16:18,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:16:18,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:16:18,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:18" (1/1) ... [2023-11-12 02:16:18,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:16:18,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:16:18,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:16:19,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:16:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:16:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-12 02:16:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-12 02:16:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-12 02:16:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-12 02:16:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:16:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-12 02:16:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-12 02:16:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:16:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:16:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:16:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:16:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-12 02:16:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-12 02:16:19,203 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:16:19,206 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:16:20,028 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:16:20,036 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:16:20,036 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:16:20,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:20 BoogieIcfgContainer [2023-11-12 02:16:20,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:16:20,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:16:20,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:16:20,046 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:16:20,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:16:18" (1/3) ... [2023-11-12 02:16:20,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba3e6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:16:20, skipping insertion in model container [2023-11-12 02:16:20,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:18" (2/3) ... [2023-11-12 02:16:20,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba3e6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:16:20, skipping insertion in model container [2023-11-12 02:16:20,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:20" (3/3) ... [2023-11-12 02:16:20,049 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-46.i [2023-11-12 02:16:20,070 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:16:20,070 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:16:20,143 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:16:20,149 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@47055bd5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:16:20,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:16:20,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 77 states have internal predecessors, (107), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-12 02:16:20,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-12 02:16:20,170 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:20,172 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:20,173 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:16:20,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:20,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1562789831, now seen corresponding path program 1 times [2023-11-12 02:16:20,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:16:20,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068524867] [2023-11-12 02:16:20,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:20,203 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 [2023-11-12 02:16:20,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:16:20,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:16:20,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:16:20,490 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/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)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 02:16:20,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:16:20,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:16:20,691 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_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/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:416) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) 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_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:16:20,697 INFO L158 Benchmark]: Toolchain (without parser) took 2447.47ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 57.6MB in the beginning and 60.7MB in the end (delta: -3.0MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-11-12 02:16:20,698 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:16:20,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.54ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 41.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:16:20,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.04ms. Allocated memory is still 81.8MB. Free memory was 41.7MB in the beginning and 38.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:16:20,700 INFO L158 Benchmark]: Boogie Preprocessor took 116.99ms. Allocated memory is still 81.8MB. Free memory was 38.5MB in the beginning and 58.6MB in the end (delta: -20.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-11-12 02:16:20,701 INFO L158 Benchmark]: RCFGBuilder took 1082.21ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 58.6MB in the beginning and 81.2MB in the end (delta: -22.6MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-11-12 02:16:20,702 INFO L158 Benchmark]: TraceAbstraction took 653.36ms. Allocated memory is still 107.0MB. Free memory was 80.2MB in the beginning and 60.7MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 02:16:20,707 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.54ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 41.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.04ms. Allocated memory is still 81.8MB. Free memory was 41.7MB in the beginning and 38.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.99ms. Allocated memory is still 81.8MB. Free memory was 38.5MB in the beginning and 58.6MB in the end (delta: -20.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1082.21ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 58.6MB in the beginning and 81.2MB in the end (delta: -22.6MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * TraceAbstraction took 653.36ms. Allocated memory is still 107.0MB. Free memory was 80.2MB in the beginning and 60.7MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/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_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/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. [2023-11-12 02:16:20,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/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_65ba86a0-f8d0-4d1e-8644-1034ae650e01/bin/uautomizer-verify-uTZkv6EMXl/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.