./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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 64bit --witnessprinter.graph.data.programhash 1ed4a8166e43af31025ed37886c26d8ffdcca7c92b59539857ec6cced7b52d7d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:53:54,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:53:54,781 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 01:53:54,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:53:54,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:53:54,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:53:54,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:53:54,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:53:54,816 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:53:54,817 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:53:54,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:53:54,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:53:54,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:53:54,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:53:54,820 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:53:54,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:53:54,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:53:54,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:53:54,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:53:54,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:53:54,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:53:54,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:53:54,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:53:54,825 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:53:54,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:53:54,826 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:53:54,826 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:53:54,826 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:53:54,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:53:54,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:53:54,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:53:54,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:53:54,828 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:53:54,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:53:54,829 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:53:54,829 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:53:54,829 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:53:54,829 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:53:54,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:53:54,830 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_34aeb81f-0395-43bb-9442-7bffcb5db145/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ed4a8166e43af31025ed37886c26d8ffdcca7c92b59539857ec6cced7b52d7d [2023-11-29 01:53:55,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:53:55,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:53:55,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:53:55,074 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:53:55,074 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:53:55,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c [2023-11-29 01:53:57,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:53:58,024 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:53:58,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c [2023-11-29 01:53:58,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/data/150d15360/bd732762b5dd4ef9b8b735032b3d2f69/FLAGc79191cec [2023-11-29 01:53:58,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/data/150d15360/bd732762b5dd4ef9b8b735032b3d2f69 [2023-11-29 01:53:58,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:53:58,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:53:58,051 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:53:58,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:53:58,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:53:58,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:53:58" (1/1) ... [2023-11-29 01:53:58,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35521979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:58, skipping insertion in model container [2023-11-29 01:53:58,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:53:58" (1/1) ... [2023-11-29 01:53:58,085 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:53:58,206 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_34aeb81f-0395-43bb-9442-7bffcb5db145/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c[1249,1262] [2023-11-29 01:53:58,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:53:58,295 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:53:58,305 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_34aeb81f-0395-43bb-9442-7bffcb5db145/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c[1249,1262] [2023-11-29 01:53:58,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:53:58,368 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:53:58,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:58 WrapperNode [2023-11-29 01:53:58,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:53:58,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:53:58,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:53:58,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:53:58,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:58" (1/1) ... [2023-11-29 01:53:58,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:58" (1/1) ... [2023-11-29 01:53:58,457 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 460 [2023-11-29 01:53:58,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:53:58,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:53:58,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:53:58,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:53:58,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:58" (1/1) ... [2023-11-29 01:53:58,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:58" (1/1) ... [2023-11-29 01:53:58,484 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:58" (1/1) ... [2023-11-29 01:53:58,512 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 01:53:58,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:58" (1/1) ... [2023-11-29 01:53:58,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:58" (1/1) ... [2023-11-29 01:53:58,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:58" (1/1) ... [2023-11-29 01:53:58,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:58" (1/1) ... [2023-11-29 01:53:58,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:58" (1/1) ... [2023-11-29 01:53:58,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:58" (1/1) ... [2023-11-29 01:53:58,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:53:58,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:53:58,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:53:58,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:53:58,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:58" (1/1) ... [2023-11-29 01:53:58,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:53:58,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:53:58,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:53:58,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:53:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:53:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:53:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:53:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:53:58,717 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:53:58,719 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:53:59,264 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:53:59,294 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:53:59,294 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:53:59,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:53:59 BoogieIcfgContainer [2023-11-29 01:53:59,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:53:59,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:53:59,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:53:59,301 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:53:59,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:53:58" (1/3) ... [2023-11-29 01:53:59,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4fd4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:53:59, skipping insertion in model container [2023-11-29 01:53:59,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:58" (2/3) ... [2023-11-29 01:53:59,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4fd4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:53:59, skipping insertion in model container [2023-11-29 01:53:59,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:53:59" (3/3) ... [2023-11-29 01:53:59,304 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v4.c [2023-11-29 01:53:59,324 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:53:59,324 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:53:59,374 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:53:59,381 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;@4ebf02ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:53:59,381 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:53:59,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 69 states have (on average 1.6666666666666667) internal successors, (115), 70 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:53:59,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-29 01:53:59,391 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:53:59,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:53:59,392 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:53:59,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:53:59,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1541325193, now seen corresponding path program 1 times [2023-11-29 01:53:59,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:53:59,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294786934] [2023-11-29 01:53:59,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:53:59,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:53:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:53:59,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:53:59,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:53:59,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294786934] [2023-11-29 01:53:59,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294786934] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:53:59,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:53:59,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:53:59,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598853047] [2023-11-29 01:53:59,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:53:59,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:53:59,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:53:59,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:53:59,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:53:59,938 INFO L87 Difference]: Start difference. First operand has 71 states, 69 states have (on average 1.6666666666666667) internal successors, (115), 70 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:53:59,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:53:59,986 INFO L93 Difference]: Finished difference Result 108 states and 176 transitions. [2023-11-29 01:53:59,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:53:59,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2023-11-29 01:53:59,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:53:59,996 INFO L225 Difference]: With dead ends: 108 [2023-11-29 01:53:59,996 INFO L226 Difference]: Without dead ends: 71 [2023-11-29 01:53:59,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:54:00,001 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:54:00,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 319 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:54:00,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-29 01:54:00,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-29 01:54:00,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.6142857142857143) internal successors, (113), 70 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:54:00,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 113 transitions. [2023-11-29 01:54:00,035 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 113 transitions. Word has length 34 [2023-11-29 01:54:00,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:54:00,035 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 113 transitions. [2023-11-29 01:54:00,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:54:00,036 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 113 transitions. [2023-11-29 01:54:00,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-29 01:54:00,037 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:54:00,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:00,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:54:00,038 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:54:00,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:54:00,038 INFO L85 PathProgramCache]: Analyzing trace with hash -534715599, now seen corresponding path program 1 times [2023-11-29 01:54:00,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:54:00,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390574034] [2023-11-29 01:54:00,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:54:00,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:54:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:54:00,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:54:00,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:54:00,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390574034] [2023-11-29 01:54:00,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390574034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:54:00,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:54:00,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:54:00,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213074240] [2023-11-29 01:54:00,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:54:00,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:54:00,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:54:00,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:54:00,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:54:00,175 INFO L87 Difference]: Start difference. First operand 71 states and 113 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:54:00,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:54:00,209 INFO L93 Difference]: Finished difference Result 111 states and 174 transitions. [2023-11-29 01:54:00,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:54:00,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-11-29 01:54:00,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:54:00,211 INFO L225 Difference]: With dead ends: 111 [2023-11-29 01:54:00,211 INFO L226 Difference]: Without dead ends: 74 [2023-11-29 01:54:00,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:54:00,213 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:54:00,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 317 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:54:00,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-29 01:54:00,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2023-11-29 01:54:00,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.5972222222222223) internal successors, (115), 72 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:54:00,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 115 transitions. [2023-11-29 01:54:00,223 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 115 transitions. Word has length 35 [2023-11-29 01:54:00,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:54:00,224 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 115 transitions. [2023-11-29 01:54:00,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:54:00,224 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 115 transitions. [2023-11-29 01:54:00,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 01:54:00,226 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:54:00,226 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:00,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:54:00,226 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:54:00,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:54:00,227 INFO L85 PathProgramCache]: Analyzing trace with hash -2126706605, now seen corresponding path program 1 times [2023-11-29 01:54:00,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:54:00,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260781251] [2023-11-29 01:54:00,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:54:00,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:54:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:54:00,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:54:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:54:00,324 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:54:00,324 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 01:54:00,325 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 01:54:00,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:54:00,331 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 01:54:00,334 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:54:00,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 01:54:00,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 01:54:00,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-29 01:54:00,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-29 01:54:00,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-29 01:54:00,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-29 01:54:00,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-29 01:54:00,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-29 01:54:00,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-29 01:54:00,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-29 01:54:00,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-29 01:54:00,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-29 01:54:00,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-29 01:54:00,369 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-29 01:54:00,369 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-29 01:54:00,369 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-29 01:54:00,370 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-29 01:54:00,370 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-29 01:54:00,371 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-29 01:54:00,371 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-29 01:54:00,371 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-29 01:54:00,372 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-29 01:54:00,373 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-11-29 01:54:00,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-11-29 01:54:00,376 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-29 01:54:00,377 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated [2023-11-29 01:54:00,378 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 01:54:00,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:54:00 BoogieIcfgContainer [2023-11-29 01:54:00,390 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:54:00,391 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:54:00,391 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:54:00,391 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:54:00,391 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:53:59" (3/4) ... [2023-11-29 01:54:00,393 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 01:54:00,394 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:54:00,395 INFO L158 Benchmark]: Toolchain (without parser) took 2345.36ms. Allocated memory was 174.1MB in the beginning and 213.9MB in the end (delta: 39.8MB). Free memory was 128.2MB in the beginning and 111.7MB in the end (delta: 16.4MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2023-11-29 01:54:00,396 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:54:00,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.08ms. Allocated memory is still 174.1MB. Free memory was 127.6MB in the beginning and 111.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 01:54:00,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.78ms. Allocated memory is still 174.1MB. Free memory was 111.2MB in the beginning and 102.6MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 01:54:00,397 INFO L158 Benchmark]: Boogie Preprocessor took 92.50ms. Allocated memory is still 174.1MB. Free memory was 102.6MB in the beginning and 96.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 01:54:00,398 INFO L158 Benchmark]: RCFGBuilder took 743.18ms. Allocated memory is still 174.1MB. Free memory was 96.3MB in the beginning and 107.3MB in the end (delta: -11.0MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-11-29 01:54:00,398 INFO L158 Benchmark]: TraceAbstraction took 1092.77ms. Allocated memory was 174.1MB in the beginning and 213.9MB in the end (delta: 39.8MB). Free memory was 106.5MB in the beginning and 111.7MB in the end (delta: -5.2MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-11-29 01:54:00,399 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 213.9MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:54:00,402 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.08ms. Allocated memory is still 174.1MB. Free memory was 127.6MB in the beginning and 111.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.78ms. Allocated memory is still 174.1MB. Free memory was 111.2MB in the beginning and 102.6MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.50ms. Allocated memory is still 174.1MB. Free memory was 102.6MB in the beginning and 96.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 743.18ms. Allocated memory is still 174.1MB. Free memory was 96.3MB in the beginning and 107.3MB in the end (delta: -11.0MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1092.77ms. Allocated memory was 174.1MB in the beginning and 213.9MB in the end (delta: 39.8MB). Free memory was 106.5MB in the beginning and 111.7MB in the end (delta: -5.2MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 213.9MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet36 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: 21]: 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 bitwiseAnd at line 99. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_9 = 0; [L33] const SORT_5 var_17 = 1; [L34] const SORT_5 var_29 = 0; [L35] const SORT_1 var_75 = 1; [L37] SORT_1 input_2; [L38] SORT_1 input_3; [L39] SORT_1 input_4; [L40] SORT_5 input_6; [L41] SORT_5 input_7; [L42] SORT_5 input_8; [L43] SORT_5 input_27; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, var_17=1, var_29=0, var_75=1, var_9=0] [L45] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, var_17=1, var_29=0, var_75=1, var_9=0] [L46] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, var_17=1, var_29=0, var_75=1, var_9=0] [L47] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, var_17=1, var_29=0, var_75=1, var_9=0] [L48] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, var_17=1, var_29=0, var_75=1, var_9=0] [L49] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, var_17=1, var_29=0, var_75=1, var_9=0] [L50] SORT_5 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, var_17=1, var_29=0, var_75=1, var_9=0] [L51] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, var_17=1, var_29=0, var_75=1, var_9=0] [L52] SORT_5 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, var_17=1, var_29=0, var_75=1, var_9=0] [L53] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, var_17=1, var_29=0, var_75=1, var_9=0] [L54] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, var_17=1, var_29=0, var_75=1, var_9=0] [L55] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_11_arg_1 = var_9; [L58] state_10 = init_11_arg_1 [L59] SORT_1 init_13_arg_1 = var_9; [L60] state_12 = init_13_arg_1 [L61] SORT_1 init_22_arg_1 = var_9; [L62] state_21 = init_22_arg_1 [L63] SORT_1 init_24_arg_1 = var_9; [L64] state_23 = init_24_arg_1 [L65] SORT_1 init_26_arg_1 = var_9; [L66] state_25 = init_26_arg_1 [L67] SORT_5 init_31_arg_1 = var_29; [L68] state_30 = init_31_arg_1 [L69] SORT_1 init_33_arg_1 = var_9; [L70] state_32 = init_33_arg_1 [L71] SORT_5 init_35_arg_1 = var_29; [L72] state_34 = init_35_arg_1 [L73] SORT_1 init_37_arg_1 = var_9; [L74] state_36 = init_37_arg_1 [L75] SORT_1 init_40_arg_1 = var_9; [L76] state_39 = init_40_arg_1 [L77] SORT_1 init_42_arg_1 = var_9; [L78] state_41 = init_42_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_17=1, var_29=0, var_75=1, var_9=0] [L81] input_2 = __VERIFIER_nondet_uchar() [L82] input_3 = __VERIFIER_nondet_uchar() [L83] input_4 = __VERIFIER_nondet_uchar() [L84] input_6 = __VERIFIER_nondet_uchar() [L85] input_7 = __VERIFIER_nondet_uchar() [L86] EXPR input_7 & mask_SORT_5 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_7=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_17=1, var_29=0, var_75=1, var_9=0] [L86] input_7 = input_7 & mask_SORT_5 [L87] input_8 = __VERIFIER_nondet_uchar() [L88] EXPR input_8 & mask_SORT_5 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_17=1, var_29=0, var_75=1, var_9=0] [L88] input_8 = input_8 & mask_SORT_5 [L89] input_27 = __VERIFIER_nondet_uchar() [L92] SORT_1 var_14_arg_0 = state_10; [L93] SORT_1 var_14_arg_1 = state_12; [L94] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L95] SORT_5 var_18_arg_0 = var_14; [L96] SORT_5 var_18 = ~var_18_arg_0; [L97] SORT_5 var_19_arg_0 = var_17; [L98] SORT_5 var_19_arg_1 = var_18; VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19_arg_0=1, var_19_arg_1=254, var_29=0, var_75=1, var_9=0] [L99] EXPR var_19_arg_0 & var_19_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19_arg_0=1, var_19_arg_1=254, var_29=0, var_75=1, var_9=0] [L99] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; [L100] EXPR var_19 & mask_SORT_5 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19=1, var_19_arg_0=1, var_19_arg_1=254, var_29=0, var_75=1, var_9=0] [L100] var_19 = var_19 & mask_SORT_5 [L101] SORT_5 bad_20_arg_0 = var_19; [L102] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 636 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 420 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 216 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=2, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 76 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 01:54:00,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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 64bit --witnessprinter.graph.data.programhash 1ed4a8166e43af31025ed37886c26d8ffdcca7c92b59539857ec6cced7b52d7d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:54:02,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:54:02,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-29 01:54:02,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:54:02,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:54:02,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:54:02,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:54:02,433 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:54:02,434 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:54:02,434 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:54:02,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:54:02,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:54:02,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:54:02,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:54:02,437 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:54:02,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:54:02,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:54:02,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:54:02,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:54:02,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:54:02,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:54:02,441 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 01:54:02,441 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 01:54:02,442 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 01:54:02,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:54:02,442 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:54:02,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:54:02,443 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:54:02,444 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:54:02,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:54:02,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:54:02,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:54:02,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:54:02,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:54:02,446 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 01:54:02,446 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 01:54:02,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:54:02,446 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:54:02,446 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:54:02,447 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:54:02,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:54:02,447 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 01:54:02,447 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_34aeb81f-0395-43bb-9442-7bffcb5db145/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ed4a8166e43af31025ed37886c26d8ffdcca7c92b59539857ec6cced7b52d7d [2023-11-29 01:54:02,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:54:02,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:54:02,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:54:02,770 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:54:02,770 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:54:02,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c [2023-11-29 01:54:05,578 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:54:05,771 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:54:05,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c [2023-11-29 01:54:05,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/data/421767cab/a566c0579863487da956b4c8447b10f5/FLAGe664b60de [2023-11-29 01:54:05,796 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/data/421767cab/a566c0579863487da956b4c8447b10f5 [2023-11-29 01:54:05,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:54:05,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:54:05,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:54:05,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:54:05,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:54:05,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:54:05" (1/1) ... [2023-11-29 01:54:05,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5ebd9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:54:05, skipping insertion in model container [2023-11-29 01:54:05,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:54:05" (1/1) ... [2023-11-29 01:54:05,846 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:54:06,005 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_34aeb81f-0395-43bb-9442-7bffcb5db145/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c[1249,1262] [2023-11-29 01:54:06,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:54:06,084 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:54:06,111 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_34aeb81f-0395-43bb-9442-7bffcb5db145/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c[1249,1262] [2023-11-29 01:54:06,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:54:06,161 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:54:06,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:54:06 WrapperNode [2023-11-29 01:54:06,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:54:06,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:54:06,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:54:06,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:54:06,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:54:06" (1/1) ... [2023-11-29 01:54:06,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:54:06" (1/1) ... [2023-11-29 01:54:06,213 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 250 [2023-11-29 01:54:06,214 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:54:06,215 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:54:06,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:54:06,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:54:06,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:54:06" (1/1) ... [2023-11-29 01:54:06,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:54:06" (1/1) ... [2023-11-29 01:54:06,234 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:54:06" (1/1) ... [2023-11-29 01:54:06,249 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 01:54:06,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:54:06" (1/1) ... [2023-11-29 01:54:06,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:54:06" (1/1) ... [2023-11-29 01:54:06,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:54:06" (1/1) ... [2023-11-29 01:54:06,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:54:06" (1/1) ... [2023-11-29 01:54:06,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:54:06" (1/1) ... [2023-11-29 01:54:06,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:54:06" (1/1) ... [2023-11-29 01:54:06,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:54:06,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:54:06,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:54:06,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:54:06,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:54:06" (1/1) ... [2023-11-29 01:54:06,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:54:06,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:54:06,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:54:06,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:54:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:54:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 01:54:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:54:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:54:06,461 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:54:06,463 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:54:06,719 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:54:06,753 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:54:06,753 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:54:06,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:54:06 BoogieIcfgContainer [2023-11-29 01:54:06,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:54:06,757 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:54:06,757 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:54:06,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:54:06,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:54:05" (1/3) ... [2023-11-29 01:54:06,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6009a14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:54:06, skipping insertion in model container [2023-11-29 01:54:06,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:54:06" (2/3) ... [2023-11-29 01:54:06,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6009a14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:54:06, skipping insertion in model container [2023-11-29 01:54:06,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:54:06" (3/3) ... [2023-11-29 01:54:06,764 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v4.c [2023-11-29 01:54:06,785 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:54:06,785 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:54:06,833 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:54:06,840 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;@38f27562, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:54:06,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:54:06,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:54:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 01:54:06,851 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:54:06,851 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 01:54:06,852 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:54:06,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:54:06,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-29 01:54:06,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:54:06,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969040954] [2023-11-29 01:54:06,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:54:06,871 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 01:54:06,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:54:06,874 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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 01:54:06,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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 01:54:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:54:06,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 01:54:06,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:54:07,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:54:07,185 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:54:07,186 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:54:07,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969040954] [2023-11-29 01:54:07,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [969040954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:54:07,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:54:07,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:54:07,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745285190] [2023-11-29 01:54:07,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:54:07,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:54:07,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:54:07,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:54:07,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:54:07,229 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:54:07,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:54:07,324 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-11-29 01:54:07,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:54:07,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-29 01:54:07,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:54:07,332 INFO L225 Difference]: With dead ends: 16 [2023-11-29 01:54:07,332 INFO L226 Difference]: Without dead ends: 9 [2023-11-29 01:54:07,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:54:07,337 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:54:07,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:54:07,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-29 01:54:07,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-29 01:54:07,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:54:07,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-29 01:54:07,363 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-29 01:54:07,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:54:07,363 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-29 01:54:07,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:54:07,364 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-29 01:54:07,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 01:54:07,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:54:07,364 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-29 01:54:07,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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 01:54:07,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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 01:54:07,565 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:54:07,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:54:07,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-29 01:54:07,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:54:07,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791753675] [2023-11-29 01:54:07,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:54:07,569 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 01:54:07,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:54:07,570 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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 01:54:07,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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 01:54:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:54:07,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-29 01:54:07,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:54:08,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:54:08,398 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:54:09,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:54:09,401 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:54:09,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791753675] [2023-11-29 01:54:09,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791753675] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:54:09,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:54:09,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-29 01:54:09,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461551271] [2023-11-29 01:54:09,402 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:54:09,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:54:09,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:54:09,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:54:09,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:54:09,405 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:54:09,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:54:09,586 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-29 01:54:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:54:09,587 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-29 01:54:09,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:54:09,587 INFO L225 Difference]: With dead ends: 14 [2023-11-29 01:54:09,588 INFO L226 Difference]: Without dead ends: 12 [2023-11-29 01:54:09,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-29 01:54:09,590 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:54:09,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 16 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:54:09,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-29 01:54:09,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-29 01:54:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:54:09,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-29 01:54:09,594 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-11-29 01:54:09,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:54:09,595 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-29 01:54:09,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:54:09,595 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-29 01:54:09,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 01:54:09,596 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:54:09,596 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-11-29 01:54:09,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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 01:54:09,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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 01:54:09,799 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:54:09,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:54:09,800 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-11-29 01:54:09,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:54:09,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852332575] [2023-11-29 01:54:09,800 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:54:09,801 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 01:54:09,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:54:09,802 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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 01:54:09,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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)] Waiting until timeout for monitored process [2023-11-29 01:54:10,002 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:54:10,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:54:10,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 76 conjunts are in the unsatisfiable core [2023-11-29 01:54:10,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:54:10,701 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:54:10,701 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:54:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:54:15,465 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:54:15,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852332575] [2023-11-29 01:54:15,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1852332575] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:54:15,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:54:15,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-29 01:54:15,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102563029] [2023-11-29 01:54:15,466 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:54:15,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:54:15,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:54:15,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:54:15,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:54:15,469 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:54:15,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:54:15,751 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2023-11-29 01:54:15,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:54:15,751 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-29 01:54:15,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:54:15,752 INFO L225 Difference]: With dead ends: 17 [2023-11-29 01:54:15,752 INFO L226 Difference]: Without dead ends: 15 [2023-11-29 01:54:15,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:54:15,754 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 18 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:54:15,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 12 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:54:15,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-29 01:54:15,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-11-29 01:54:15,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:54:15,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-11-29 01:54:15,759 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 10 [2023-11-29 01:54:15,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:54:15,759 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-29 01:54:15,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:54:15,760 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-11-29 01:54:15,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 01:54:15,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:54:15,760 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1] [2023-11-29 01:54:15,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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)] Ended with exit code 0 [2023-11-29 01:54:15,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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 01:54:15,961 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:54:15,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:54:15,962 INFO L85 PathProgramCache]: Analyzing trace with hash -57678563, now seen corresponding path program 3 times [2023-11-29 01:54:15,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:54:15,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [628681675] [2023-11-29 01:54:15,963 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 01:54:15,963 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 01:54:15,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:54:15,964 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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 01:54:15,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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 01:54:16,597 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-29 01:54:16,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:54:16,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 153 conjunts are in the unsatisfiable core [2023-11-29 01:54:16,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:54:21,239 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:54:21,240 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:55:03,644 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:55:03,645 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:55:03,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [628681675] [2023-11-29 01:55:03,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [628681675] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:55:03,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:55:03,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2023-11-29 01:55:03,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691029929] [2023-11-29 01:55:03,646 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:55:03,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 01:55:03,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:55:03,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 01:55:03,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=252, Unknown=2, NotChecked=0, Total=306 [2023-11-29 01:55:03,648 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:55:06,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:55:10,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:55:15,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:55:15,718 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-29 01:55:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:55:15,720 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-29 01:55:15,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:55:15,721 INFO L225 Difference]: With dead ends: 14 [2023-11-29 01:55:15,721 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 01:55:15,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 29.9s TimeCoverageRelationStatistics Valid=100, Invalid=317, Unknown=3, NotChecked=0, Total=420 [2023-11-29 01:55:15,722 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:55:15,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 0 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-29 01:55:15,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 01:55:15,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 01:55:15,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:55:15,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 01:55:15,724 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2023-11-29 01:55:15,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:55:15,724 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:55:15,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:55:15,724 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 01:55:15,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 01:55:15,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 01:55:15,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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 01:55:15,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/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 01:55:15,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 01:56:46,562 WARN L293 SmtUtils]: Spent 1.51m on a formula simplification. DAG size of input: 279 DAG size of output: 185 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 01:56:46,566 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:56:46,566 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-11-29 01:56:46,566 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-29 01:56:46,567 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-11-29 01:56:46,570 INFO L895 garLoopResultBuilder]: At program point L79-2(lines 79 230) the Hoare annotation is: (let ((.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~var_17~0#1|)) (.cse5 (= (_ bv1 8) |ULTIMATE.start_main_~var_75~0#1|)) (.cse6 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_5~0#1|)) (.cse26 (= |ULTIMATE.start_main_~var_29~0#1| (_ bv0 8))) (.cse11 (= (_ bv0 8) |ULTIMATE.start_main_~state_30~0#1|)) (.cse27 (= |ULTIMATE.start_main_~var_9~0#1| (_ bv0 8))) (.cse28 (= (bvadd (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (_ bv0 8))) (.cse34 (= (_ bv0 8) |ULTIMATE.start_main_~state_34~0#1|))) (or (and .cse0 (exists ((|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_45_arg_0~0#1| (_ BitVec 8))) (let ((.cse4 ((_ zero_extend 24) |ULTIMATE.start_main_~var_45_arg_0~0#1|))) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) .cse4))) (.cse3 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse2 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|))) (and (not (= ((_ extract 7 0) (bvand .cse1 (_ bv1 32))) (_ bv0 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse2)))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse3)) .cse1)))))))))))))) (_ bv255 32))) |ULTIMATE.start_main_~state_12~0#1|) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 .cse3))))) .cse2))))))))))) (_ bv255 32))) |ULTIMATE.start_main_~state_10~0#1|))))) .cse5 (exists ((|v_ULTIMATE.start_main_#t~nondet19#1_27| (_ BitVec 8))) (= |ULTIMATE.start_main_~input_7~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet19#1_27|) (_ bv1 32))))) .cse6 (let ((.cse20 (exists ((|v_ULTIMATE.start_main_#t~nondet19#1_27| (_ BitVec 8))) (let ((.cse25 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet19#1_27|) (_ bv1 32))))) (and (= ((_ extract 7 0) ((_ zero_extend 24) .cse25)) |ULTIMATE.start_main_~state_30~0#1|) (not (= .cse25 (_ bv0 8)))))))) (or (and (exists ((|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_45_arg_0~0#1| (_ BitVec 8))) (let ((.cse10 ((_ zero_extend 24) |ULTIMATE.start_main_~var_45_arg_0~0#1|))) (let ((.cse8 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|)) (.cse9 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse7 ((_ extract 7 0) .cse10))) (and (= .cse7 |ULTIMATE.start_main_~state_21~0#1|) (= |ULTIMATE.start_main_~state_25~0#1| ((_ extract 7 0) .cse8)) (= ((_ extract 7 0) .cse9) |ULTIMATE.start_main_~state_23~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse8) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse10 (bvneg .cse9)))))))))))) |ULTIMATE.start_main_~state_39~0#1|) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) .cse7) (_ bv1 32))) (_ bv0 8)))))) .cse11) (and (exists ((|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_45_arg_0~0#1| (_ BitVec 8))) (let ((.cse15 ((_ zero_extend 24) |ULTIMATE.start_main_~var_45_arg_0~0#1|))) (let ((.cse12 ((_ extract 7 0) .cse15)) (.cse14 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse13 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|))) (and (= .cse12 |ULTIMATE.start_main_~state_21~0#1|) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) .cse12) (_ bv1 32))) (_ bv0 8))) (= |ULTIMATE.start_main_~state_25~0#1| ((_ extract 7 0) .cse13)) (= ((_ extract 7 0) .cse14) |ULTIMATE.start_main_~state_23~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse15 .cse14))))) (bvneg .cse13))))))) |ULTIMATE.start_main_~state_39~0#1|))))) .cse11) (and (exists ((|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_45_arg_0~0#1| (_ BitVec 8))) (let ((.cse18 ((_ zero_extend 24) |ULTIMATE.start_main_~var_45_arg_0~0#1|))) (let ((.cse17 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|)) (.cse19 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse16 ((_ extract 7 0) .cse18))) (and (= .cse16 |ULTIMATE.start_main_~state_21~0#1|) (= |ULTIMATE.start_main_~state_25~0#1| ((_ extract 7 0) .cse17)) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse17 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse18 (bvneg .cse19)))))))))))) |ULTIMATE.start_main_~state_39~0#1|) (= ((_ extract 7 0) .cse19) |ULTIMATE.start_main_~state_23~0#1|) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) .cse16) (_ bv1 32))) (_ bv0 8)))))) .cse20) (and (exists ((|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_45_arg_0~0#1| (_ BitVec 8))) (let ((.cse24 ((_ zero_extend 24) |ULTIMATE.start_main_~var_45_arg_0~0#1|))) (let ((.cse21 ((_ extract 7 0) .cse24)) (.cse23 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse22 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|))) (and (= .cse21 |ULTIMATE.start_main_~state_21~0#1|) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) .cse21) (_ bv1 32))) (_ bv0 8))) (= |ULTIMATE.start_main_~state_25~0#1| ((_ extract 7 0) .cse22)) (= ((_ extract 7 0) .cse23) |ULTIMATE.start_main_~state_23~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse24 .cse23))))) .cse22)))))) |ULTIMATE.start_main_~state_39~0#1|))))) .cse20))) .cse26 .cse27 .cse28 (exists ((|v_ULTIMATE.start_main_#t~nondet20#1_29| (_ BitVec 8))) (= |ULTIMATE.start_main_~input_8~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet20#1_29|) (_ bv1 32))))) (or (and (exists ((|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_45_arg_0~0#1| (_ BitVec 8))) (let ((.cse31 ((_ zero_extend 24) |ULTIMATE.start_main_~var_45_arg_0~0#1|))) (let ((.cse29 ((_ zero_extend 24) ((_ extract 7 0) .cse31))) (.cse30 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse32 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|))) (and (not (= ((_ extract 7 0) (bvand .cse29 (_ bv1 32))) (_ bv0 8))) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse30)) .cse29)))))) |ULTIMATE.start_main_~state_36~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse31 .cse30))))) .cse32)))))))) |ULTIMATE.start_main_~state_41~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse32))) |ULTIMATE.start_main_~state_32~0#1|))))) (exists ((|v_ULTIMATE.start_main_#t~nondet19#1_27| (_ BitVec 8))) (let ((.cse33 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet19#1_27|) (_ bv1 32))))) (and (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) .cse33))))) (_ bv1 32))) |ULTIMATE.start_main_~state_34~0#1|) (not (= .cse33 (_ bv0 8))))))) (and .cse34 (exists ((|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_45_arg_0~0#1| (_ BitVec 8))) (let ((.cse35 ((_ zero_extend 24) |ULTIMATE.start_main_~var_45_arg_0~0#1|))) (let ((.cse36 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse38 ((_ zero_extend 24) ((_ extract 7 0) .cse35))) (.cse37 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|))) (and (= |ULTIMATE.start_main_~state_41~0#1| ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse35 .cse36))))) (bvneg .cse37)))))))))) (not (= ((_ extract 7 0) (bvand .cse38 (_ bv1 32))) (_ bv0 8))) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse36)) .cse38)))))) |ULTIMATE.start_main_~state_36~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse37))) |ULTIMATE.start_main_~state_32~0#1|)))))))) (and (= (_ bv0 8) |ULTIMATE.start_main_~state_21~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_10~0#1|) .cse0 .cse5 .cse6 .cse26 (= (_ bv0 8) |ULTIMATE.start_main_~state_25~0#1|) .cse11 (= (_ bv0 8) |ULTIMATE.start_main_~state_39~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_41~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_12~0#1|) .cse27 .cse28 .cse34 (= (_ bv0 8) |ULTIMATE.start_main_~state_32~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_36~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_23~0#1|)))) [2023-11-29 01:56:46,570 INFO L899 garLoopResultBuilder]: For program point L79-3(lines 79 230) no Hoare annotation was computed. [2023-11-29 01:56:46,570 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 01:56:46,571 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-11-29 01:56:46,574 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-11-29 01:56:46,576 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:56:46,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: (!(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]), 255bv32)[7:0] == ~state_12~0) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]), 255bv32)[7:0] == ~state_10~0) could not be translated [2023-11-29 01:56:46,596 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_27 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_27), 1bv32)[7:0]) could not be translated [2023-11-29 01:56:46,596 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: (((~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0] == ~state_21~0 && ~state_25~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0]) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_39~0) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) could not be translated [2023-11-29 01:56:46,597 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: (((~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0] == ~state_21~0 && !(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8)) && ~state_25~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0]) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_39~0) could not be translated [2023-11-29 01:56:46,597 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: (((~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0] == ~state_21~0 && ~state_25~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0]) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_39~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) could not be translated [2023-11-29 01:56:46,597 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_27 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_27), 1bv32)[7:0])[7:0] == ~state_30~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_27), 1bv32)[7:0] == 0bv8)) could not be translated [2023-11-29 01:56:46,597 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: (((~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0] == ~state_21~0 && !(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8)) && ~state_25~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0]) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_39~0) could not be translated [2023-11-29 01:56:46,598 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_27 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_27), 1bv32)[7:0])[7:0] == ~state_30~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_27), 1bv32)[7:0] == 0bv8)) could not be translated [2023-11-29 01:56:46,598 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_29 : bv8 :: ~input_8~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_29), 1bv32)[7:0]) could not be translated [2023-11-29 01:56:46,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: ((!(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_36~0) && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_41~0) && ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_32~0) could not be translated [2023-11-29 01:56:46,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_27 : bv8 :: ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_27), 1bv32)[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_34~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_27), 1bv32)[7:0] == 0bv8)) could not be translated [2023-11-29 01:56:46,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: ((~state_41~0 == ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] && !(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8)) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_36~0) && ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_32~0) could not be translated [2023-11-29 01:56:46,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:56:46 BoogieIcfgContainer [2023-11-29 01:56:46,601 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:56:46,602 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:56:46,602 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:56:46,602 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:56:46,603 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:54:06" (3/4) ... [2023-11-29 01:56:46,605 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 01:56:46,616 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-29 01:56:46,616 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 01:56:46,617 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 01:56:46,618 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 01:56:46,712 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 01:56:46,712 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 01:56:46,712 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:56:46,713 INFO L158 Benchmark]: Toolchain (without parser) took 160912.04ms. Allocated memory was 81.8MB in the beginning and 461.4MB in the end (delta: 379.6MB). Free memory was 54.8MB in the beginning and 297.9MB in the end (delta: -243.1MB). Peak memory consumption was 136.2MB. Max. memory is 16.1GB. [2023-11-29 01:56:46,713 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:56:46,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.37ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 58.2MB in the end (delta: -3.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 01:56:46,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.78ms. Allocated memory is still 81.8MB. Free memory was 58.2MB in the beginning and 55.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:56:46,714 INFO L158 Benchmark]: Boogie Preprocessor took 56.53ms. Allocated memory is still 81.8MB. Free memory was 55.3MB in the beginning and 52.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:56:46,715 INFO L158 Benchmark]: RCFGBuilder took 482.51ms. Allocated memory is still 81.8MB. Free memory was 52.3MB in the beginning and 50.7MB in the end (delta: 1.5MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-11-29 01:56:46,715 INFO L158 Benchmark]: TraceAbstraction took 159844.04ms. Allocated memory was 81.8MB in the beginning and 461.4MB in the end (delta: 379.6MB). Free memory was 49.9MB in the beginning and 304.2MB in the end (delta: -254.3MB). Peak memory consumption was 271.0MB. Max. memory is 16.1GB. [2023-11-29 01:56:46,716 INFO L158 Benchmark]: Witness Printer took 110.53ms. Allocated memory is still 461.4MB. Free memory was 304.2MB in the beginning and 297.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 01:56:46,718 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.37ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 58.2MB in the end (delta: -3.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.78ms. Allocated memory is still 81.8MB. Free memory was 58.2MB in the beginning and 55.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.53ms. Allocated memory is still 81.8MB. Free memory was 55.3MB in the beginning and 52.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 482.51ms. Allocated memory is still 81.8MB. Free memory was 52.3MB in the beginning and 50.7MB in the end (delta: 1.5MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * TraceAbstraction took 159844.04ms. Allocated memory was 81.8MB in the beginning and 461.4MB in the end (delta: 379.6MB). Free memory was 49.9MB in the beginning and 304.2MB in the end (delta: -254.3MB). Peak memory consumption was 271.0MB. Max. memory is 16.1GB. * Witness Printer took 110.53ms. Allocated memory is still 461.4MB. Free memory was 304.2MB in the beginning and 297.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: (!(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]), 255bv32)[7:0] == ~state_12~0) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]), 255bv32)[7:0] == ~state_10~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_27 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_27), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: (((~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0] == ~state_21~0 && ~state_25~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0]) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_39~0) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: (((~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0] == ~state_21~0 && !(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8)) && ~state_25~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0]) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_39~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: (((~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0] == ~state_21~0 && ~state_25~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0]) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_39~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_27 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_27), 1bv32)[7:0])[7:0] == ~state_30~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_27), 1bv32)[7:0] == 0bv8)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: (((~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0] == ~state_21~0 && !(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8)) && ~state_25~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0]) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_39~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_27 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_27), 1bv32)[7:0])[7:0] == ~state_30~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_27), 1bv32)[7:0] == 0bv8)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_29 : bv8 :: ~input_8~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_29), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: ((!(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_36~0) && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_41~0) && ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_32~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_27 : bv8 :: ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_27), 1bv32)[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_34~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_27), 1bv32)[7:0] == 0bv8)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: ((~state_41~0 == ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] && !(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8)) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_36~0) && ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_32~0) could not be translated * 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 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 159.8s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 90.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 6 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 31.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=3, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 5 NumberOfFragments, 543 HoareAnnotationTreeSize, 1 FomulaSimplifications, 1761 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FomulaSimplificationsInter, 1354 FormulaSimplificationTreeSizeReductionInter, 90.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 54.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 57 ConstructedInterpolants, 32 QuantifiedInterpolants, 43187 SizeOfPredicates, 281 NumberOfNonLiveVariables, 1032 ConjunctsInSsa, 294 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 1/48 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (((((((1 == var_17) && (1 == var_75)) && (1 == mask_SORT_5)) && (var_29 == 0)) && (var_9 == 0)) && (((1 + mask_SORT_1) % 256) == 0)) || (((((((((((((((((0 == state_21) && (0 == state_10)) && (1 == var_17)) && (1 == var_75)) && (1 == mask_SORT_5)) && (var_29 == 0)) && (0 == state_25)) && (0 == state_30)) && (0 == state_39)) && (0 == state_41)) && (0 == state_12)) && (var_9 == 0)) && (((1 + mask_SORT_1) % 256) == 0)) && (0 == state_34)) && (0 == state_32)) && (0 == state_36)) && (0 == state_23))) RESULT: Ultimate proved your program to be correct! [2023-11-29 01:56:46,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeb81f-0395-43bb-9442-7bffcb5db145/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE