./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-92.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya --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 da2ee77b35405689fc5c65c91bc7d87d5288020b288dd575aada93fb6bdf0f20 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:12:23,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:12:23,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 03:12:23,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:12:23,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:12:23,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:12:23,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:12:23,359 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:12:23,359 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:12:23,360 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:12:23,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:12:23,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:12:23,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:12:23,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:12:23,363 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:12:23,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:12:23,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:12:23,364 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:12:23,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:12:23,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:12:23,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:12:23,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:12:23,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:12:23,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:12:23,368 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:12:23,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:12:23,369 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:12:23,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:12:23,370 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:12:23,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:12:23,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:12:23,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:12:23,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:12:23,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:12:23,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:12:23,372 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:12:23,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:12:23,373 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:12:23,373 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:12:23,373 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:12:23,373 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:12:23,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:12:23,374 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_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da2ee77b35405689fc5c65c91bc7d87d5288020b288dd575aada93fb6bdf0f20 [2023-11-29 03:12:23,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:12:23,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:12:23,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:12:23,628 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:12:23,628 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:12:23,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-92.i [2023-11-29 03:12:26,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:12:26,676 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:12:26,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-92.i [2023-11-29 03:12:26,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/data/020b30fdf/08f3af2716a0465caeb13241a983bc9f/FLAGed7683204 [2023-11-29 03:12:26,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/data/020b30fdf/08f3af2716a0465caeb13241a983bc9f [2023-11-29 03:12:26,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:12:26,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:12:26,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:12:26,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:12:26,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:12:26,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:12:26" (1/1) ... [2023-11-29 03:12:26,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@215991ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:26, skipping insertion in model container [2023-11-29 03:12:26,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:12:26" (1/1) ... [2023-11-29 03:12:26,742 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:12:26,870 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_66613208-5f26-4369-af17-74f52ab73a3f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-92.i[913,926] [2023-11-29 03:12:26,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:12:26,927 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:12:26,938 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_66613208-5f26-4369-af17-74f52ab73a3f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-92.i[913,926] [2023-11-29 03:12:26,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:12:26,979 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:12:26,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:26 WrapperNode [2023-11-29 03:12:26,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:12:26,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:12:26,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:12:26,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:12:26,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:26" (1/1) ... [2023-11-29 03:12:26,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:26" (1/1) ... [2023-11-29 03:12:27,029 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2023-11-29 03:12:27,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:12:27,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:12:27,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:12:27,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:12:27,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:26" (1/1) ... [2023-11-29 03:12:27,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:26" (1/1) ... [2023-11-29 03:12:27,049 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:26" (1/1) ... [2023-11-29 03:12:27,070 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 03:12:27,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:26" (1/1) ... [2023-11-29 03:12:27,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:26" (1/1) ... [2023-11-29 03:12:27,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:26" (1/1) ... [2023-11-29 03:12:27,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:26" (1/1) ... [2023-11-29 03:12:27,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:26" (1/1) ... [2023-11-29 03:12:27,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:26" (1/1) ... [2023-11-29 03:12:27,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:12:27,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:12:27,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:12:27,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:12:27,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:26" (1/1) ... [2023-11-29 03:12:27,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:12:27,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:12:27,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:12:27,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:12:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:12:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:12:27,163 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:12:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:12:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:12:27,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:12:27,244 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:12:27,246 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:12:27,507 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:12:27,543 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:12:27,543 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:12:27,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:12:27 BoogieIcfgContainer [2023-11-29 03:12:27,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:12:27,548 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:12:27,548 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:12:27,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:12:27,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:12:26" (1/3) ... [2023-11-29 03:12:27,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4f2ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:12:27, skipping insertion in model container [2023-11-29 03:12:27,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:26" (2/3) ... [2023-11-29 03:12:27,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4f2ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:12:27, skipping insertion in model container [2023-11-29 03:12:27,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:12:27" (3/3) ... [2023-11-29 03:12:27,555 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-92.i [2023-11-29 03:12:27,571 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:12:27,572 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:12:27,615 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:12:27,621 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;@53c14a86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:12:27,621 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:12:27,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:12:27,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-29 03:12:27,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:12:27,640 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:12:27,641 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:12:27,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:12:27,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1873522604, now seen corresponding path program 1 times [2023-11-29 03:12:27,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:12:27,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187255625] [2023-11-29 03:12:27,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:27,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:12:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:12:27,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:12:27,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187255625] [2023-11-29 03:12:27,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 03:12:27,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289254773] [2023-11-29 03:12:27,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:27,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:12:27,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:12:27,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:12:27,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:12:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:12:28,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:12:28,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:12:28,074 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-29 03:12:28,074 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:12:28,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289254773] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:12:28,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:12:28,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:12:28,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940911080] [2023-11-29 03:12:28,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:12:28,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:12:28,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:12:28,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:12:28,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:12:28,118 INFO L87 Difference]: Start difference. First operand has 55 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 03:12:28,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:12:28,160 INFO L93 Difference]: Finished difference Result 107 states and 185 transitions. [2023-11-29 03:12:28,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:12:28,163 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 119 [2023-11-29 03:12:28,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:12:28,173 INFO L225 Difference]: With dead ends: 107 [2023-11-29 03:12:28,173 INFO L226 Difference]: Without dead ends: 53 [2023-11-29 03:12:28,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:12:28,182 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:12:28,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:12:28,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-29 03:12:28,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-29 03:12:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:12:28,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 79 transitions. [2023-11-29 03:12:28,238 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 79 transitions. Word has length 119 [2023-11-29 03:12:28,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:12:28,239 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 79 transitions. [2023-11-29 03:12:28,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 03:12:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2023-11-29 03:12:28,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-29 03:12:28,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:12:28,243 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:12:28,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:12:28,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 03:12:28,445 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:12:28,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:12:28,446 INFO L85 PathProgramCache]: Analyzing trace with hash 502648038, now seen corresponding path program 1 times [2023-11-29 03:12:28,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:12:28,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599962654] [2023-11-29 03:12:28,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:28,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:12:28,524 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:12:28,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1209948569] [2023-11-29 03:12:28,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:28,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:12:28,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:12:28,527 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:12:28,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:12:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:12:28,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:12:28,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:12:29,540 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 03:12:29,540 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:12:29,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:12:29,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599962654] [2023-11-29 03:12:29,541 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:12:29,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209948569] [2023-11-29 03:12:29,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209948569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:12:29,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:12:29,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:12:29,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453991919] [2023-11-29 03:12:29,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:12:29,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:12:29,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:12:29,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:12:29,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:12:29,545 INFO L87 Difference]: Start difference. First operand 53 states and 79 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:12:29,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:12:29,708 INFO L93 Difference]: Finished difference Result 106 states and 158 transitions. [2023-11-29 03:12:29,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:12:29,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 119 [2023-11-29 03:12:29,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:12:29,712 INFO L225 Difference]: With dead ends: 106 [2023-11-29 03:12:29,712 INFO L226 Difference]: Without dead ends: 54 [2023-11-29 03:12:29,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:12:29,715 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 23 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:12:29,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 154 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:12:29,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-29 03:12:29,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2023-11-29 03:12:29,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:12:29,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2023-11-29 03:12:29,727 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 119 [2023-11-29 03:12:29,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:12:29,729 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2023-11-29 03:12:29,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 03:12:29,730 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2023-11-29 03:12:29,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-29 03:12:29,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:12:29,732 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:12:29,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:12:29,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-29 03:12:29,935 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:12:29,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:12:29,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1529840139, now seen corresponding path program 1 times [2023-11-29 03:12:29,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:12:29,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546497015] [2023-11-29 03:12:29,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:29,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:12:29,981 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:12:29,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [980032764] [2023-11-29 03:12:29,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:29,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:12:29,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:12:29,983 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:12:29,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:12:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:12:30,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 03:12:30,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:12:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 178 proven. 6 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2023-11-29 03:12:30,173 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:12:30,346 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-29 03:12:30,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:12:30,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546497015] [2023-11-29 03:12:30,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:12:30,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980032764] [2023-11-29 03:12:30,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980032764] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:12:30,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:12:30,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-29 03:12:30,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429876734] [2023-11-29 03:12:30,348 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:12:30,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:12:30,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:12:30,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:12:30,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:12:30,351 INFO L87 Difference]: Start difference. First operand 53 states and 78 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 03:12:31,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:12:31,016 INFO L93 Difference]: Finished difference Result 231 states and 327 transitions. [2023-11-29 03:12:31,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 03:12:31,017 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 121 [2023-11-29 03:12:31,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:12:31,020 INFO L225 Difference]: With dead ends: 231 [2023-11-29 03:12:31,021 INFO L226 Difference]: Without dead ends: 179 [2023-11-29 03:12:31,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2023-11-29 03:12:31,023 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 188 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:12:31,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 273 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 03:12:31,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-11-29 03:12:31,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 59. [2023-11-29 03:12:31,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:12:31,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 83 transitions. [2023-11-29 03:12:31,047 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 83 transitions. Word has length 121 [2023-11-29 03:12:31,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:12:31,048 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 83 transitions. [2023-11-29 03:12:31,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 03:12:31,048 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2023-11-29 03:12:31,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-29 03:12:31,050 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:12:31,051 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:12:31,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:12:31,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-29 03:12:31,252 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:12:31,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:12:31,252 INFO L85 PathProgramCache]: Analyzing trace with hash 720493513, now seen corresponding path program 1 times [2023-11-29 03:12:31,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:12:31,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168309758] [2023-11-29 03:12:31,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:31,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:12:31,289 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:12:31,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [18557164] [2023-11-29 03:12:31,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:31,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:12:31,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:12:31,291 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:12:31,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:12:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:12:31,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 03:12:31,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:12:31,733 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 456 proven. 39 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-29 03:12:31,733 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:12:32,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:12:32,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168309758] [2023-11-29 03:12:32,215 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:12:32,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18557164] [2023-11-29 03:12:32,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18557164] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:12:32,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:12:32,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-11-29 03:12:32,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107961515] [2023-11-29 03:12:32,217 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 03:12:32,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:12:32,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:12:32,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:12:32,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:12:32,219 INFO L87 Difference]: Start difference. First operand 59 states and 83 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-29 03:12:32,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:12:32,674 INFO L93 Difference]: Finished difference Result 129 states and 175 transitions. [2023-11-29 03:12:32,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 03:12:32,675 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 121 [2023-11-29 03:12:32,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:12:32,677 INFO L225 Difference]: With dead ends: 129 [2023-11-29 03:12:32,677 INFO L226 Difference]: Without dead ends: 71 [2023-11-29 03:12:32,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2023-11-29 03:12:32,679 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 71 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:12:32,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 145 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:12:32,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-29 03:12:32,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2023-11-29 03:12:32,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 41 states have (on average 1.170731707317073) internal successors, (48), 41 states have internal predecessors, (48), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:12:32,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 86 transitions. [2023-11-29 03:12:32,692 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 86 transitions. Word has length 121 [2023-11-29 03:12:32,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:12:32,693 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 86 transitions. [2023-11-29 03:12:32,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-29 03:12:32,694 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2023-11-29 03:12:32,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-29 03:12:32,696 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:12:32,696 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:12:32,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 03:12:32,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:12:32,899 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:12:32,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:12:32,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1136813129, now seen corresponding path program 1 times [2023-11-29 03:12:32,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:12:32,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599152725] [2023-11-29 03:12:32,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:32,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:12:32,935 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:12:32,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2071817153] [2023-11-29 03:12:32,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:32,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:12:32,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:12:32,937 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:12:32,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 03:12:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:12:33,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:12:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:12:33,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:12:33,159 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 03:12:33,160 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 03:12:33,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 03:12:33,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:12:33,366 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-29 03:12:33,371 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:12:33,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 03:12:33,442 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-29 03:12:33,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-29 03:12:33,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-29 03:12:33,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-29 03:12:33,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-29 03:12:33,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:12:33 BoogieIcfgContainer [2023-11-29 03:12:33,462 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:12:33,462 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:12:33,463 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:12:33,463 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:12:33,463 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:12:27" (3/4) ... [2023-11-29 03:12:33,465 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:12:33,467 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:12:33,467 INFO L158 Benchmark]: Toolchain (without parser) took 6760.84ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 109.4MB in the beginning and 88.3MB in the end (delta: 21.0MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2023-11-29 03:12:33,468 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 151.0MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:12:33,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.18ms. Allocated memory is still 151.0MB. Free memory was 109.4MB in the beginning and 96.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 03:12:33,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.39ms. Allocated memory is still 151.0MB. Free memory was 96.8MB in the beginning and 94.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:12:33,469 INFO L158 Benchmark]: Boogie Preprocessor took 61.27ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 91.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:12:33,469 INFO L158 Benchmark]: RCFGBuilder took 451.41ms. Allocated memory is still 151.0MB. Free memory was 91.2MB in the beginning and 72.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 03:12:33,469 INFO L158 Benchmark]: TraceAbstraction took 5913.86ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 72.0MB in the beginning and 89.4MB in the end (delta: -17.4MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-11-29 03:12:33,470 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 192.9MB. Free memory was 89.4MB in the beginning and 88.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:12:33,472 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 151.0MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.18ms. Allocated memory is still 151.0MB. Free memory was 109.4MB in the beginning and 96.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.39ms. Allocated memory is still 151.0MB. Free memory was 96.8MB in the beginning and 94.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.27ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 91.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 451.41ms. Allocated memory is still 151.0MB. Free memory was 91.2MB in the beginning and 72.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5913.86ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 72.0MB in the beginning and 89.4MB in the end (delta: -17.4MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 192.9MB. Free memory was 89.4MB in the beginning and 88.3MB 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~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 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 94, overapproximation of someBinaryFLOATComparisonOperation at line 94. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] signed char var_1_2 = 2; [L24] signed char var_1_3 = 8; [L25] signed char var_1_4 = 0; [L26] signed char var_1_5 = 32; [L27] signed char var_1_6 = 10; [L28] double var_1_7 = 1000000.625; [L29] double var_1_8 = 16.65; [L30] double var_1_9 = 15.5; [L31] signed short int var_1_10 = 500; [L32] unsigned short int var_1_11 = 8; [L33] unsigned char var_1_13 = 0; [L34] unsigned short int var_1_14 = 100; [L35] unsigned char var_1_15 = 0; [L36] unsigned char var_1_16 = 0; [L37] float var_1_17 = 2.4; [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] FCALL updateLastVariables() [L102] CALL updateVariables() [L61] var_1_2 = __VERIFIER_nondet_char() [L62] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L62] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L63] CALL assume_abort_if_not(var_1_2 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L63] RET assume_abort_if_not(var_1_2 <= 63) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L64] var_1_3 = __VERIFIER_nondet_char() [L65] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L65] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L66] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L66] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L67] var_1_4 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L68] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L69] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L69] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L70] var_1_5 = __VERIFIER_nondet_char() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L72] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L72] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L73] var_1_6 = __VERIFIER_nondet_char() [L74] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L74] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L75] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L75] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8, var_1_8=333/20, var_1_9=31/2] [L76] var_1_8 = __VERIFIER_nondet_double() [L77] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8, var_1_9=31/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8, var_1_9=31/2] [L77] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8, var_1_9=31/2] [L78] var_1_9 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L79] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=100, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L80] var_1_14 = __VERIFIER_nondet_ushort() [L81] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L81] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L82] CALL assume_abort_if_not(var_1_14 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L82] RET assume_abort_if_not(var_1_14 <= 65535) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L83] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L83] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L84] var_1_15 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L85] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L86] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L86] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L87] var_1_16 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L88] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L89] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L89] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=32, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L102] RET updateVariables() [L103] CALL step() [L41] var_1_1 = ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))) VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=1, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L42] EXPR var_1_6 & var_1_3 VAL [isInitial=1, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=1, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8000005/8] [L42] signed long int stepLocal_0 = (~ var_1_5) * (var_1_6 & var_1_3); [L43] COND TRUE stepLocal_0 >= var_1_4 [L44] var_1_7 = var_1_8 VAL [isInitial=1, stepLocal_0=0, var_1_10=500, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=1, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2] [L48] var_1_10 = ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2))) [L49] signed long int stepLocal_1 = var_1_6 / var_1_14; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=0, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=1, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2] [L50] COND FALSE !(stepLocal_1 < -100) [L53] var_1_13 = (var_1_15 && var_1_16) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=0, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=12/5, var_1_1=1, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2] [L55] var_1_17 = var_1_8 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=0, var_1_11=8, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=2, var_1_1=1, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2] [L56] COND TRUE ! var_1_13 [L57] var_1_11 = (var_1_5 + (((((var_1_6) > (1)) ? (var_1_6) : (1))) + 64)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=0, var_1_11=65, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=2, var_1_1=1, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2] [L103] RET step() [L104] CALL, EXPR property() [L94] EXPR (var_1_1 == ((signed char) ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))))) && ((((~ var_1_5) * (var_1_6 & var_1_3)) >= var_1_4) ? (var_1_7 == ((double) var_1_8)) : (var_1_7 == ((double) var_1_9))) VAL [isInitial=1, var_1_10=0, var_1_11=65, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=2, var_1_1=1, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2] [L94] EXPR var_1_6 & var_1_3 VAL [isInitial=1, var_1_10=0, var_1_11=65, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=2, var_1_1=1, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2] [L94] EXPR (var_1_1 == ((signed char) ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))))) && ((((~ var_1_5) * (var_1_6 & var_1_3)) >= var_1_4) ? (var_1_7 == ((double) var_1_8)) : (var_1_7 == ((double) var_1_9))) VAL [isInitial=1, var_1_10=0, var_1_11=65, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=2, var_1_1=1, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2] [L94-L95] return (((((var_1_1 == ((signed char) ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))))) && ((((~ var_1_5) * (var_1_6 & var_1_3)) >= var_1_4) ? (var_1_7 == ((double) var_1_8)) : (var_1_7 == ((double) var_1_9)))) && (var_1_10 == ((signed short int) ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2)))))) && ((! var_1_13) ? (var_1_11 == ((unsigned short int) (var_1_5 + (((((var_1_6) > (1)) ? (var_1_6) : (1))) + 64)))) : 1)) && (((var_1_6 / var_1_14) < -100) ? (var_1_13 == ((unsigned char) (! (! (! var_1_15))))) : (var_1_13 == ((unsigned char) (var_1_15 && var_1_16))))) && (var_1_17 == ((float) var_1_8)) ; [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=65, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=2, var_1_1=1, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=65, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=2, var_1_1=1, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 5, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 309 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 282 mSDsluCounter, 648 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 381 mSDsCounter, 134 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 612 IncrementalHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 134 mSolverCounterUnsat, 267 mSDtfsCounter, 612 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 661 GetRequests, 616 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=4, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 127 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 720 NumberOfCodeBlocks, 720 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 596 ConstructedInterpolants, 1 QuantifiedInterpolants, 2020 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1121 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 3369/3420 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 [2023-11-29 03:12:33,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya --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 da2ee77b35405689fc5c65c91bc7d87d5288020b288dd575aada93fb6bdf0f20 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:12:35,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:12:35,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 03:12:35,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:12:35,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:12:35,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:12:35,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:12:35,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:12:35,651 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:12:35,652 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:12:35,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:12:35,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:12:35,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:12:35,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:12:35,655 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:12:35,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:12:35,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:12:35,657 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:12:35,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:12:35,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:12:35,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:12:35,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:12:35,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:12:35,660 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 03:12:35,661 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 03:12:35,661 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 03:12:35,661 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:12:35,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:12:35,662 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:12:35,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:12:35,663 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:12:35,664 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:12:35,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:12:35,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:12:35,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:12:35,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:12:35,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:12:35,665 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 03:12:35,666 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 03:12:35,666 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:12:35,666 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:12:35,666 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:12:35,666 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:12:35,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:12:35,667 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 03:12:35,667 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_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da2ee77b35405689fc5c65c91bc7d87d5288020b288dd575aada93fb6bdf0f20 [2023-11-29 03:12:35,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:12:35,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:12:35,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:12:35,984 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:12:35,984 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:12:35,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-92.i [2023-11-29 03:12:38,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:12:39,090 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:12:39,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-92.i [2023-11-29 03:12:39,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/data/20faecc67/c388700bfedf47ef80b7cb65e86e7c3a/FLAG427fa2be8 [2023-11-29 03:12:39,112 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/data/20faecc67/c388700bfedf47ef80b7cb65e86e7c3a [2023-11-29 03:12:39,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:12:39,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:12:39,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:12:39,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:12:39,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:12:39,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:12:39" (1/1) ... [2023-11-29 03:12:39,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17200f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:39, skipping insertion in model container [2023-11-29 03:12:39,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:12:39" (1/1) ... [2023-11-29 03:12:39,157 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:12:39,305 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_66613208-5f26-4369-af17-74f52ab73a3f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-92.i[913,926] [2023-11-29 03:12:39,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:12:39,363 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:12:39,376 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_66613208-5f26-4369-af17-74f52ab73a3f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-92.i[913,926] [2023-11-29 03:12:39,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:12:39,417 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:12:39,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:39 WrapperNode [2023-11-29 03:12:39,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:12:39,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:12:39,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:12:39,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:12:39,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:39" (1/1) ... [2023-11-29 03:12:39,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:39" (1/1) ... [2023-11-29 03:12:39,461 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2023-11-29 03:12:39,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:12:39,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:12:39,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:12:39,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:12:39,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:39" (1/1) ... [2023-11-29 03:12:39,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:39" (1/1) ... [2023-11-29 03:12:39,480 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:39" (1/1) ... [2023-11-29 03:12:39,493 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 03:12:39,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:39" (1/1) ... [2023-11-29 03:12:39,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:39" (1/1) ... [2023-11-29 03:12:39,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:39" (1/1) ... [2023-11-29 03:12:39,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:39" (1/1) ... [2023-11-29 03:12:39,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:39" (1/1) ... [2023-11-29 03:12:39,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:39" (1/1) ... [2023-11-29 03:12:39,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:12:39,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:12:39,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:12:39,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:12:39,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:39" (1/1) ... [2023-11-29 03:12:39,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:12:39,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:12:39,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:12:39,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:12:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:12:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 03:12:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:12:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:12:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:12:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:12:39,707 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:12:39,709 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:12:40,432 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:12:40,487 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:12:40,487 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:12:40,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:12:40 BoogieIcfgContainer [2023-11-29 03:12:40,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:12:40,491 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:12:40,491 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:12:40,494 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:12:40,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:12:39" (1/3) ... [2023-11-29 03:12:40,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f87cc31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:12:40, skipping insertion in model container [2023-11-29 03:12:40,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:12:39" (2/3) ... [2023-11-29 03:12:40,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f87cc31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:12:40, skipping insertion in model container [2023-11-29 03:12:40,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:12:40" (3/3) ... [2023-11-29 03:12:40,497 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-92.i [2023-11-29 03:12:40,514 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:12:40,514 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:12:40,561 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:12:40,567 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;@5ba4483b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:12:40,567 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:12:40,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 25 states have (on average 1.32) internal successors, (33), 26 states have internal predecessors, (33), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:12:40,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-29 03:12:40,585 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:12:40,586 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:12:40,587 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:12:40,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:12:40,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1944405470, now seen corresponding path program 1 times [2023-11-29 03:12:40,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:12:40,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556863022] [2023-11-29 03:12:40,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:40,606 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 [2023-11-29 03:12:40,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:12:40,608 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:12:40,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:12:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:12:40,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:12:40,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:12:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-29 03:12:40,916 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:12:40,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:12:40,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556863022] [2023-11-29 03:12:40,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556863022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:12:40,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:12:40,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:12:40,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926847372] [2023-11-29 03:12:40,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:12:40,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:12:40,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:12:40,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:12:40,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:12:40,961 INFO L87 Difference]: Start difference. First operand has 47 states, 25 states have (on average 1.32) internal successors, (33), 26 states have internal predecessors, (33), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 03:12:41,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:12:41,185 INFO L93 Difference]: Finished difference Result 91 states and 159 transitions. [2023-11-29 03:12:41,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:12:41,197 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 115 [2023-11-29 03:12:41,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:12:41,204 INFO L225 Difference]: With dead ends: 91 [2023-11-29 03:12:41,204 INFO L226 Difference]: Without dead ends: 45 [2023-11-29 03:12:41,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:12:41,211 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:12:41,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:12:41,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-29 03:12:41,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-29 03:12:41,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:12:41,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 66 transitions. [2023-11-29 03:12:41,252 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 66 transitions. Word has length 115 [2023-11-29 03:12:41,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:12:41,252 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 66 transitions. [2023-11-29 03:12:41,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 03:12:41,253 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2023-11-29 03:12:41,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-29 03:12:41,256 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:12:41,256 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:12:41,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/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 0 [2023-11-29 03:12:41,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:12:41,457 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:12:41,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:12:41,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1324552216, now seen corresponding path program 1 times [2023-11-29 03:12:41,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:12:41,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811510704] [2023-11-29 03:12:41,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:41,459 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 [2023-11-29 03:12:41,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:12:41,461 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:12:41,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/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 (3)] Waiting until timeout for monitored process [2023-11-29 03:12:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:12:41,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 03:12:41,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:12:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 456 proven. 39 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-29 03:12:42,693 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:12:43,933 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:12:43,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811510704] [2023-11-29 03:12:43,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1811510704] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:12:43,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [733643910] [2023-11-29 03:12:43,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:43,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 03:12:43,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 03:12:43,961 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 03:12:43,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-29 03:12:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:12:44,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 03:12:44,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:12:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 456 proven. 39 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-29 03:12:45,018 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:12:45,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [733643910] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:12:45,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:12:45,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2023-11-29 03:12:45,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161874708] [2023-11-29 03:12:45,455 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:12:45,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:12:45,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:12:45,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:12:45,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:12:45,458 INFO L87 Difference]: Start difference. First operand 45 states and 66 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-29 03:12:47,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:12:47,868 INFO L93 Difference]: Finished difference Result 101 states and 141 transitions. [2023-11-29 03:12:47,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 03:12:47,884 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 115 [2023-11-29 03:12:47,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:12:47,887 INFO L225 Difference]: With dead ends: 101 [2023-11-29 03:12:47,887 INFO L226 Difference]: Without dead ends: 57 [2023-11-29 03:12:47,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2023-11-29 03:12:47,890 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 37 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:12:47,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 117 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 03:12:47,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-29 03:12:47,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53. [2023-11-29 03:12:47,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 30 states have (on average 1.1) internal successors, (33), 30 states have internal predecessors, (33), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:12:47,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 71 transitions. [2023-11-29 03:12:47,909 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 71 transitions. Word has length 115 [2023-11-29 03:12:47,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:12:47,910 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 71 transitions. [2023-11-29 03:12:47,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-29 03:12:47,910 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2023-11-29 03:12:47,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-29 03:12:47,913 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:12:47,913 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:12:47,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/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 (3)] Ended with exit code 0 [2023-11-29 03:12:48,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-29 03:12:48,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 03:12:48,314 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:12:48,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:12:48,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1381810518, now seen corresponding path program 1 times [2023-11-29 03:12:48,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:12:48,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [728384464] [2023-11-29 03:12:48,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:48,316 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 [2023-11-29 03:12:48,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:12:48,318 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:12:48,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/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 (5)] Waiting until timeout for monitored process [2023-11-29 03:12:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:12:48,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:12:48,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:12:48,617 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 178 proven. 6 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2023-11-29 03:12:48,618 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:12:48,791 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-29 03:12:48,792 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:12:48,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [728384464] [2023-11-29 03:12:48,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [728384464] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:12:48,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:12:48,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-29 03:12:48,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053340990] [2023-11-29 03:12:48,792 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:12:48,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:12:48,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:12:48,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:12:48,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:12:48,794 INFO L87 Difference]: Start difference. First operand 53 states and 71 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 03:12:49,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:12:49,706 INFO L93 Difference]: Finished difference Result 115 states and 150 transitions. [2023-11-29 03:12:49,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:12:49,718 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 115 [2023-11-29 03:12:49,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:12:49,721 INFO L225 Difference]: With dead ends: 115 [2023-11-29 03:12:49,721 INFO L226 Difference]: Without dead ends: 63 [2023-11-29 03:12:49,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:12:49,724 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 71 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:12:49,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 75 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 03:12:49,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-29 03:12:49,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 57. [2023-11-29 03:12:49,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:12:49,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 73 transitions. [2023-11-29 03:12:49,740 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 73 transitions. Word has length 115 [2023-11-29 03:12:49,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:12:49,741 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 73 transitions. [2023-11-29 03:12:49,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 03:12:49,741 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2023-11-29 03:12:49,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-29 03:12:49,743 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:12:49,743 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:12:49,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/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 (5)] Ended with exit code 0 [2023-11-29 03:12:49,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:12:49,944 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:12:49,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:12:49,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1381750936, now seen corresponding path program 1 times [2023-11-29 03:12:49,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:12:49,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002170518] [2023-11-29 03:12:49,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:49,947 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 [2023-11-29 03:12:49,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:12:49,948 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:12:49,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66613208-5f26-4369-af17-74f52ab73a3f/bin/uautomizer-verify-BQ2R08f2Ya/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 (6)] Waiting until timeout for monitored process [2023-11-29 03:12:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:12:50,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-29 03:12:50,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:13:52,403 WARN L293 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)