./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-38.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fed855dc993b98a70e8399ebfa19748508bfe81da8dfdd9c33ff63f504d0952c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:11:18,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:11:18,992 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:11:18,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:11:18,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:11:19,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:11:19,023 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:11:19,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:11:19,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:11:19,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:11:19,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:11:19,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:11:19,027 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:11:19,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:11:19,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:11:19,029 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:11:19,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:11:19,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:11:19,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:11:19,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:11:19,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:11:19,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:11:19,033 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:11:19,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:11:19,033 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:11:19,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:11:19,034 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:11:19,035 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:11:19,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:11:19,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:11:19,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:11:19,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:11:19,037 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:11:19,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:11:19,037 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:11:19,038 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:11:19,038 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:11:19,038 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:11:19,038 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:11:19,039 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_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fed855dc993b98a70e8399ebfa19748508bfe81da8dfdd9c33ff63f504d0952c [2023-11-12 02:11:19,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:11:19,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:11:19,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:11:19,423 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:11:19,424 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:11:19,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-38.i [2023-11-12 02:11:22,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:11:22,815 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:11:22,816 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-38.i [2023-11-12 02:11:22,827 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/data/33304c1e6/626f94504db446ada51da544536c1970/FLAGc755a9d45 [2023-11-12 02:11:22,844 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/data/33304c1e6/626f94504db446ada51da544536c1970 [2023-11-12 02:11:22,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:11:22,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:11:22,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:22,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:11:22,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:11:22,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:22" (1/1) ... [2023-11-12 02:11:22,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b514465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:22, skipping insertion in model container [2023-11-12 02:11:22,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:22" (1/1) ... [2023-11-12 02:11:22,893 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:11:23,072 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_ad6d8711-2239-47de-bc4e-cd800f0c0aae/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-38.i[915,928] [2023-11-12 02:11:23,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:23,146 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:11:23,161 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_ad6d8711-2239-47de-bc4e-cd800f0c0aae/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-38.i[915,928] [2023-11-12 02:11:23,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:23,226 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:11:23,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:23 WrapperNode [2023-11-12 02:11:23,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:23,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:23,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:11:23,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:11:23,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:23" (1/1) ... [2023-11-12 02:11:23,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:23" (1/1) ... [2023-11-12 02:11:23,301 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2023-11-12 02:11:23,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:23,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:11:23,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:11:23,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:11:23,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:23" (1/1) ... [2023-11-12 02:11:23,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:23" (1/1) ... [2023-11-12 02:11:23,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:23" (1/1) ... [2023-11-12 02:11:23,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:23" (1/1) ... [2023-11-12 02:11:23,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:23" (1/1) ... [2023-11-12 02:11:23,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:23" (1/1) ... [2023-11-12 02:11:23,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:23" (1/1) ... [2023-11-12 02:11:23,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:23" (1/1) ... [2023-11-12 02:11:23,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:11:23,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:11:23,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:11:23,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:11:23,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:23" (1/1) ... [2023-11-12 02:11:23,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:11:23,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:23,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:23,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:11:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:11:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:11:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:11:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:11:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:11:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:11:23,588 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:11:23,591 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:11:23,987 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:11:23,996 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:11:23,996 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:11:23,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:23 BoogieIcfgContainer [2023-11-12 02:11:23,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:11:24,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:11:24,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:11:24,007 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:11:24,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:11:22" (1/3) ... [2023-11-12 02:11:24,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab3b2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:11:24, skipping insertion in model container [2023-11-12 02:11:24,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:23" (2/3) ... [2023-11-12 02:11:24,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab3b2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:11:24, skipping insertion in model container [2023-11-12 02:11:24,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:23" (3/3) ... [2023-11-12 02:11:24,011 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-38.i [2023-11-12 02:11:24,031 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:11:24,031 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:11:24,089 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:11:24,097 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;@2354d64d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:11:24,097 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:11:24,102 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 45 states have (on average 1.4) internal successors, (63), 46 states have internal predecessors, (63), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:11:24,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-12 02:11:24,121 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:24,122 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:24,123 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:24,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:24,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1596689689, now seen corresponding path program 1 times [2023-11-12 02:11:24,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:24,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902482442] [2023-11-12 02:11:24,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:24,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:24,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:24,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902482442] [2023-11-12 02:11:24,461 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:11:24,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486874200] [2023-11-12 02:11:24,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:24,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:24,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:24,466 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:24,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:11:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:24,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:11:24,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:24,736 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2023-11-12 02:11:24,740 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:24,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486874200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:24,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:24,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:11:24,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674778903] [2023-11-12 02:11:24,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:24,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:11:24,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:24,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:11:24,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:11:24,810 INFO L87 Difference]: Start difference. First operand has 70 states, 45 states have (on average 1.4) internal successors, (63), 46 states have internal predecessors, (63), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:11:24,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:24,858 INFO L93 Difference]: Finished difference Result 137 states and 233 transitions. [2023-11-12 02:11:24,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:11:24,861 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 141 [2023-11-12 02:11:24,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:24,874 INFO L225 Difference]: With dead ends: 137 [2023-11-12 02:11:24,874 INFO L226 Difference]: Without dead ends: 66 [2023-11-12 02:11:24,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:11:24,883 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:24,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:11:24,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-12 02:11:24,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-12 02:11:24,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 states have internal predecessors, (56), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:11:24,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 100 transitions. [2023-11-12 02:11:24,989 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 100 transitions. Word has length 141 [2023-11-12 02:11:24,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:24,992 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 100 transitions. [2023-11-12 02:11:24,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:11:24,993 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 100 transitions. [2023-11-12 02:11:24,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-12 02:11:24,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:25,000 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:25,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 02:11:25,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:11:25,207 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:25,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:25,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1074521459, now seen corresponding path program 1 times [2023-11-12 02:11:25,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:25,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102815336] [2023-11-12 02:11:25,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:25,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:25,343 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:11:25,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [973595161] [2023-11-12 02:11:25,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:25,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:25,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:25,350 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:25,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:11:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:25,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:11:25,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:26,129 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 477 proven. 27 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-12 02:11:26,130 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:11:26,475 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 36 proven. 27 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-12 02:11:26,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:26,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102815336] [2023-11-12 02:11:26,478 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:11:26,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973595161] [2023-11-12 02:11:26,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973595161] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:11:26,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:11:26,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2023-11-12 02:11:26,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155548389] [2023-11-12 02:11:26,481 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:11:26,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-12 02:11:26,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:26,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 02:11:26,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:11:26,510 INFO L87 Difference]: Start difference. First operand 66 states and 100 transitions. Second operand has 12 states, 12 states have (on average 5.333333333333333) internal successors, (64), 12 states have internal predecessors, (64), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2023-11-12 02:11:27,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:27,353 INFO L93 Difference]: Finished difference Result 260 states and 392 transitions. [2023-11-12 02:11:27,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-12 02:11:27,354 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.333333333333333) internal successors, (64), 12 states have internal predecessors, (64), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 141 [2023-11-12 02:11:27,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:27,359 INFO L225 Difference]: With dead ends: 260 [2023-11-12 02:11:27,359 INFO L226 Difference]: Without dead ends: 197 [2023-11-12 02:11:27,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=269, Unknown=0, NotChecked=0, Total=420 [2023-11-12 02:11:27,362 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 301 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:27,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 429 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 02:11:27,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2023-11-12 02:11:27,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 145. [2023-11-12 02:11:27,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 97 states have (on average 1.3814432989690721) internal successors, (134), 97 states have internal predecessors, (134), 44 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-12 02:11:27,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 222 transitions. [2023-11-12 02:11:27,408 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 222 transitions. Word has length 141 [2023-11-12 02:11:27,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:27,409 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 222 transitions. [2023-11-12 02:11:27,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.333333333333333) internal successors, (64), 12 states have internal predecessors, (64), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2023-11-12 02:11:27,410 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 222 transitions. [2023-11-12 02:11:27,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-12 02:11:27,413 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:27,413 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:27,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:27,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:27,620 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:27,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:27,621 INFO L85 PathProgramCache]: Analyzing trace with hash 63404209, now seen corresponding path program 1 times [2023-11-12 02:11:27,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:27,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645413228] [2023-11-12 02:11:27,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:27,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:27,684 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:11:27,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1497608146] [2023-11-12 02:11:27,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:27,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:27,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:27,686 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:27,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:11:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:27,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:11:27,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:28,108 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-12 02:11:28,108 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:28,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:28,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645413228] [2023-11-12 02:11:28,109 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:11:28,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497608146] [2023-11-12 02:11:28,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497608146] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:28,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:28,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:11:28,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20443547] [2023-11-12 02:11:28,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:28,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:11:28,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:28,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:11:28,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:11:28,112 INFO L87 Difference]: Start difference. First operand 145 states and 222 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:11:28,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:28,384 INFO L93 Difference]: Finished difference Result 738 states and 1131 transitions. [2023-11-12 02:11:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:11:28,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 141 [2023-11-12 02:11:28,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:28,393 INFO L225 Difference]: With dead ends: 738 [2023-11-12 02:11:28,393 INFO L226 Difference]: Without dead ends: 596 [2023-11-12 02:11:28,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:11:28,397 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 242 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:28,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 540 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:11:28,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2023-11-12 02:11:28,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 297. [2023-11-12 02:11:28,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 202 states have (on average 1.396039603960396) internal successors, (282), 202 states have internal predecessors, (282), 88 states have call successors, (88), 6 states have call predecessors, (88), 6 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-12 02:11:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 458 transitions. [2023-11-12 02:11:28,540 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 458 transitions. Word has length 141 [2023-11-12 02:11:28,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:28,542 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 458 transitions. [2023-11-12 02:11:28,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:11:28,542 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 458 transitions. [2023-11-12 02:11:28,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-12 02:11:28,551 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:28,552 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:28,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:28,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:28,759 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:28,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:28,760 INFO L85 PathProgramCache]: Analyzing trace with hash -523401805, now seen corresponding path program 1 times [2023-11-12 02:11:28,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:28,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606690173] [2023-11-12 02:11:28,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:28,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:28,802 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:11:28,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [923846153] [2023-11-12 02:11:28,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:28,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:28,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:28,804 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:28,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:11:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:28,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:11:28,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:29,175 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-12 02:11:29,176 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:29,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:29,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606690173] [2023-11-12 02:11:29,176 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:11:29,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923846153] [2023-11-12 02:11:29,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923846153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:29,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:29,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:11:29,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157556510] [2023-11-12 02:11:29,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:29,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:11:29,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:29,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:11:29,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:11:29,180 INFO L87 Difference]: Start difference. First operand 297 states and 458 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:11:29,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:29,421 INFO L93 Difference]: Finished difference Result 890 states and 1364 transitions. [2023-11-12 02:11:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:11:29,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 141 [2023-11-12 02:11:29,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:29,428 INFO L225 Difference]: With dead ends: 890 [2023-11-12 02:11:29,428 INFO L226 Difference]: Without dead ends: 596 [2023-11-12 02:11:29,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:11:29,431 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 179 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:29,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 743 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:11:29,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2023-11-12 02:11:29,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 285. [2023-11-12 02:11:29,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 190 states have (on average 1.3736842105263158) internal successors, (261), 190 states have internal predecessors, (261), 88 states have call successors, (88), 6 states have call predecessors, (88), 6 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-12 02:11:29,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 437 transitions. [2023-11-12 02:11:29,558 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 437 transitions. Word has length 141 [2023-11-12 02:11:29,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:29,559 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 437 transitions. [2023-11-12 02:11:29,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:11:29,560 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 437 transitions. [2023-11-12 02:11:29,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-12 02:11:29,563 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:29,564 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:29,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:29,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:29,780 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:29,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:29,781 INFO L85 PathProgramCache]: Analyzing trace with hash -449666161, now seen corresponding path program 1 times [2023-11-12 02:11:29,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:29,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363847575] [2023-11-12 02:11:29,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:29,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:29,831 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:11:29,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [734548142] [2023-11-12 02:11:29,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:29,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:29,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:29,846 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:29,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:11:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:30,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:30,173 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:30,174 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:11:30,176 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:11:30,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:30,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:30,389 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-12 02:11:30,393 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:11:30,501 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:11:30,505 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated [2023-11-12 02:11:30,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:11:30 BoogieIcfgContainer [2023-11-12 02:11:30,548 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:11:30,549 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:11:30,549 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:11:30,549 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:11:30,555 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:23" (3/4) ... [2023-11-12 02:11:30,558 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:11:30,559 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:11:30,560 INFO L158 Benchmark]: Toolchain (without parser) took 7710.99ms. Allocated memory was 180.4MB in the beginning and 226.5MB in the end (delta: 46.1MB). Free memory was 135.1MB in the beginning and 135.3MB in the end (delta: -222.6kB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2023-11-12 02:11:30,560 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 180.4MB. Free memory is still 153.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:11:30,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.22ms. Allocated memory is still 180.4MB. Free memory was 135.1MB in the beginning and 121.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:11:30,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.11ms. Allocated memory is still 180.4MB. Free memory was 121.7MB in the beginning and 119.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:11:30,561 INFO L158 Benchmark]: Boogie Preprocessor took 59.52ms. Allocated memory is still 180.4MB. Free memory was 118.4MB in the beginning and 117.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:11:30,562 INFO L158 Benchmark]: RCFGBuilder took 635.91ms. Allocated memory is still 180.4MB. Free memory was 117.1MB in the beginning and 98.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:11:30,562 INFO L158 Benchmark]: TraceAbstraction took 6545.48ms. Allocated memory was 180.4MB in the beginning and 226.5MB in the end (delta: 46.1MB). Free memory was 98.2MB in the beginning and 136.4MB in the end (delta: -38.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-12 02:11:30,562 INFO L158 Benchmark]: Witness Printer took 10.52ms. Allocated memory is still 226.5MB. Free memory was 136.4MB in the beginning and 135.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:11:30,566 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 180.4MB. Free memory is still 153.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.22ms. Allocated memory is still 180.4MB. Free memory was 135.1MB in the beginning and 121.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.11ms. Allocated memory is still 180.4MB. Free memory was 121.7MB in the beginning and 119.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.52ms. Allocated memory is still 180.4MB. Free memory was 118.4MB in the beginning and 117.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 635.91ms. Allocated memory is still 180.4MB. Free memory was 117.1MB in the beginning and 98.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 6545.48ms. Allocated memory was 180.4MB in the beginning and 226.5MB in the end (delta: 46.1MB). Free memory was 98.2MB in the beginning and 136.4MB in the end (delta: -38.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Witness Printer took 10.52ms. Allocated memory is still 226.5MB. Free memory was 136.4MB in the beginning and 135.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 129, overapproximation of shiftRight at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_6 = 0; [L25] unsigned char var_1_7 = 0; [L26] unsigned short int var_1_8 = 4; [L27] signed long int var_1_11 = 100; [L28] signed long int var_1_12 = 8; [L29] unsigned short int var_1_13 = 128; [L30] double var_1_14 = 64.5; [L31] signed short int var_1_15 = 4; [L32] signed long int var_1_16 = -8; [L33] double var_1_17 = 255.5; [L34] double var_1_18 = 0.6; [L35] double var_1_19 = 1000000000000.5; [L36] double var_1_20 = 999999.25; [L37] signed short int var_1_21 = -64; [L38] signed char var_1_25 = -128; [L39] signed char var_1_26 = -8; [L40] unsigned short int last_1_var_1_8 = 4; [L41] signed short int last_1_var_1_21 = -64; [L42] signed char last_1_var_1_25 = -128; VAL [isInitial=0, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=4] [L133] isInitial = 1 [L134] FCALL initially() [L135] int k_loop; [L136] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=4] [L136] COND TRUE k_loop < 1 [L137] CALL updateLastVariables() [L124] last_1_var_1_8 = var_1_8 [L125] last_1_var_1_21 = var_1_21 [L126] last_1_var_1_25 = var_1_25 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=4] [L137] RET updateLastVariables() [L138] CALL updateVariables() [L88] var_1_4 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L89] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L90] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L90] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L91] var_1_6 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L92] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L93] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L93] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L94] var_1_11 = __VERIFIER_nondet_long() [L95] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L95] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L96] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L96] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L97] var_1_12 = __VERIFIER_nondet_long() [L98] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L98] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L99] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L99] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L100] var_1_13 = __VERIFIER_nondet_ushort() [L101] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L101] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L102] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L102] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L103] var_1_15 = __VERIFIER_nondet_short() [L104] CALL assume_abort_if_not(var_1_15 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L104] RET assume_abort_if_not(var_1_15 >= -32768) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L105] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L105] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L106] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L106] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L107] var_1_16 = __VERIFIER_nondet_long() [L108] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L108] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L109] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L109] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L110] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L110] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L111] var_1_17 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L112] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L113] var_1_18 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L114] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L115] var_1_19 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L116] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L117] var_1_20 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L118] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L119] var_1_26 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_26 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L120] RET assume_abort_if_not(var_1_26 >= -127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L121] CALL assume_abort_if_not(var_1_26 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L121] RET assume_abort_if_not(var_1_26 <= 126) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L138] RET updateVariables() [L139] CALL step() [L46] EXPR last_1_var_1_8 >> var_1_15 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L46] COND TRUE (last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15) [L47] var_1_21 = (((((last_1_var_1_25 + last_1_var_1_25)) < (last_1_var_1_25)) ? ((last_1_var_1_25 + last_1_var_1_25)) : (last_1_var_1_25))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-256, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L51] signed long int stepLocal_1 = ((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12; [L52] signed long int stepLocal_0 = last_1_var_1_21 + last_1_var_1_21; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, stepLocal_1=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-256, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L53] COND FALSE !((last_1_var_1_21 * last_1_var_1_21) < stepLocal_1) [L58] var_1_8 = var_1_13 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, stepLocal_1=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-256, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L60] COND TRUE ! (var_1_21 > var_1_8) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, stepLocal_1=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-256, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L61] COND TRUE \read(var_1_4) [L62] var_1_25 = var_1_26 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, stepLocal_1=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L65] COND FALSE !((8 / var_1_15) < (64 / var_1_16)) [L72] var_1_14 = var_1_18 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, stepLocal_1=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=3, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L74] COND TRUE (- var_1_14) <= var_1_14 [L75] var_1_1 = var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, stepLocal_1=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=3, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L83] COND TRUE var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14)))) [L84] var_1_7 = (var_1_1 && (! 1)) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, stepLocal_1=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=3, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L139] RET step() [L140] CALL, EXPR property() [L129] EXPR ((((((- var_1_14) <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_4)) : ((var_1_14 <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_4)))) && ((var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14))))) ? (var_1_7 == ((unsigned char) (var_1_1 && (! 1)))) : 1)) && (((last_1_var_1_21 * last_1_var_1_21) < (((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12)) ? (((last_1_var_1_21 + last_1_var_1_21) < var_1_12) ? (var_1_8 == ((unsigned short int) var_1_13)) : 1) : (var_1_8 == ((unsigned short int) var_1_13)))) && (((8 / var_1_15) < (64 / var_1_16)) ? ((var_1_8 >= var_1_15) ? (var_1_14 == ((double) (var_1_17 - var_1_18))) : (var_1_14 == ((double) (var_1_18 - (64.25 + ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20)))))))) : (var_1_14 == ((double) var_1_18)))) && (((last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15)) ? (var_1_21 == ((signed short int) (((((last_1_var_1_25 + last_1_var_1_25)) < (last_1_var_1_25)) ? ((last_1_var_1_25 + last_1_var_1_25)) : (last_1_var_1_25))))) : (var_1_21 == ((signed short int) last_1_var_1_25))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=3, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L129-L130] return (((((((- var_1_14) <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_4)) : ((var_1_14 <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_4)))) && ((var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14))))) ? (var_1_7 == ((unsigned char) (var_1_1 && (! 1)))) : 1)) && (((last_1_var_1_21 * last_1_var_1_21) < (((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12)) ? (((last_1_var_1_21 + last_1_var_1_21) < var_1_12) ? (var_1_8 == ((unsigned short int) var_1_13)) : 1) : (var_1_8 == ((unsigned short int) var_1_13)))) && (((8 / var_1_15) < (64 / var_1_16)) ? ((var_1_8 >= var_1_15) ? (var_1_14 == ((double) (var_1_17 - var_1_18))) : (var_1_14 == ((double) (var_1_18 - (64.25 + ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20)))))))) : (var_1_14 == ((double) var_1_18)))) && (((last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15)) ? (var_1_21 == ((signed short int) (((((last_1_var_1_25 + last_1_var_1_25)) < (last_1_var_1_25)) ? ((last_1_var_1_25 + last_1_var_1_25)) : (last_1_var_1_25))))) : (var_1_21 == ((signed short int) last_1_var_1_25)))) && ((! (var_1_21 > var_1_8)) ? (var_1_4 ? (var_1_25 == ((signed char) var_1_26)) : 1) : 1) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=3, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=3, var_1_15=8, var_1_16=64, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 5, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 741 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 722 mSDsluCounter, 1816 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1076 mSDsCounter, 218 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 600 IncrementalHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 218 mSolverCounterUnsat, 740 mSDtfsCounter, 600 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 717 GetRequests, 686 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=297occurred in iteration=3, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 662 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 847 NumberOfCodeBlocks, 847 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 700 ConstructedInterpolants, 0 QuantifiedInterpolants, 2603 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1384 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 4566/4620 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 02:11:30,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fed855dc993b98a70e8399ebfa19748508bfe81da8dfdd9c33ff63f504d0952c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:11:33,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:11:33,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:11:33,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:11:33,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:11:33,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:11:33,463 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:11:33,463 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:11:33,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:11:33,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:11:33,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:11:33,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:11:33,466 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:11:33,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:11:33,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:11:33,468 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:11:33,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:11:33,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:11:33,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:11:33,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:11:33,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:11:33,483 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:11:33,483 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:11:33,484 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:11:33,484 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:11:33,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:11:33,485 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:11:33,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:11:33,486 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:11:33,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:11:33,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:11:33,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:11:33,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:11:33,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:11:33,489 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:11:33,489 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:11:33,490 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:11:33,490 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:11:33,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:11:33,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:11:33,491 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:11:33,492 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:11:33,492 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_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fed855dc993b98a70e8399ebfa19748508bfe81da8dfdd9c33ff63f504d0952c [2023-11-12 02:11:33,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:11:33,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:11:33,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:11:33,927 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:11:33,928 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:11:33,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-38.i [2023-11-12 02:11:37,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:11:37,325 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:11:37,325 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-38.i [2023-11-12 02:11:37,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/data/8eabd68ca/43f0635350a04be88530aae7dfaaca63/FLAG47c16bee1 [2023-11-12 02:11:37,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/data/8eabd68ca/43f0635350a04be88530aae7dfaaca63 [2023-11-12 02:11:37,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:11:37,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:11:37,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:37,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:11:37,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:11:37,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:37" (1/1) ... [2023-11-12 02:11:37,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4bd0a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:37, skipping insertion in model container [2023-11-12 02:11:37,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:37" (1/1) ... [2023-11-12 02:11:37,421 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:11:37,612 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_ad6d8711-2239-47de-bc4e-cd800f0c0aae/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-38.i[915,928] [2023-11-12 02:11:37,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:37,693 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:11:37,707 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_ad6d8711-2239-47de-bc4e-cd800f0c0aae/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-38.i[915,928] [2023-11-12 02:11:37,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:37,768 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:11:37,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:37 WrapperNode [2023-11-12 02:11:37,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:37,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:37,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:11:37,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:11:37,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:37" (1/1) ... [2023-11-12 02:11:37,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:37" (1/1) ... [2023-11-12 02:11:37,859 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2023-11-12 02:11:37,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:37,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:11:37,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:11:37,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:11:37,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:37" (1/1) ... [2023-11-12 02:11:37,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:37" (1/1) ... [2023-11-12 02:11:37,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:37" (1/1) ... [2023-11-12 02:11:37,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:37" (1/1) ... [2023-11-12 02:11:37,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:37" (1/1) ... [2023-11-12 02:11:37,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:37" (1/1) ... [2023-11-12 02:11:37,930 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:37" (1/1) ... [2023-11-12 02:11:37,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:37" (1/1) ... [2023-11-12 02:11:37,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:11:37,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:11:37,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:11:37,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:11:37,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:37" (1/1) ... [2023-11-12 02:11:37,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:11:37,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:37,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:38,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:11:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:11:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:11:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:11:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:11:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:11:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:11:38,166 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:11:38,169 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:11:42,254 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:11:42,265 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:11:42,266 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:11:42,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:42 BoogieIcfgContainer [2023-11-12 02:11:42,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:11:42,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:11:42,274 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:11:42,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:11:42,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:11:37" (1/3) ... [2023-11-12 02:11:42,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f2036d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:11:42, skipping insertion in model container [2023-11-12 02:11:42,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:37" (2/3) ... [2023-11-12 02:11:42,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f2036d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:11:42, skipping insertion in model container [2023-11-12 02:11:42,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:42" (3/3) ... [2023-11-12 02:11:42,284 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-38.i [2023-11-12 02:11:42,316 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:11:42,316 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:11:42,385 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:11:42,390 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;@574a7339, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:11:42,391 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:11:42,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:11:42,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-12 02:11:42,409 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:42,410 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:42,410 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:42,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:42,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1900941309, now seen corresponding path program 1 times [2023-11-12 02:11:42,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:11:42,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036674117] [2023-11-12 02:11:42,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:42,439 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:11:42,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:11:42,444 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:11:42,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 02:11:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:43,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:11:43,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-12 02:11:43,159 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:43,160 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:11:43,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036674117] [2023-11-12 02:11:43,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036674117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:43,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:43,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:11:43,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898945258] [2023-11-12 02:11:43,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:43,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:11:43,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:11:43,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:11:43,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:11:43,201 INFO L87 Difference]: Start difference. First operand has 65 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:11:43,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:43,234 INFO L93 Difference]: Finished difference Result 127 states and 217 transitions. [2023-11-12 02:11:43,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:11:43,237 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 138 [2023-11-12 02:11:43,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:43,245 INFO L225 Difference]: With dead ends: 127 [2023-11-12 02:11:43,246 INFO L226 Difference]: Without dead ends: 61 [2023-11-12 02:11:43,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:11:43,253 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:43,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:11:43,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-12 02:11:43,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-12 02:11:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:11:43,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 91 transitions. [2023-11-12 02:11:43,302 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 91 transitions. Word has length 138 [2023-11-12 02:11:43,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:43,305 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 91 transitions. [2023-11-12 02:11:43,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:11:43,306 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2023-11-12 02:11:43,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-12 02:11:43,310 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:43,310 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:43,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-12 02:11:43,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:11:43,534 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:43,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:43,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1715483015, now seen corresponding path program 1 times [2023-11-12 02:11:43,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:11:43,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1219123297] [2023-11-12 02:11:43,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:43,537 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:11:43,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:11:43,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:11:43,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 02:11:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:44,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:11:44,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:45,074 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-12 02:11:45,075 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:45,075 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:11:45,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1219123297] [2023-11-12 02:11:45,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1219123297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:45,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:45,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:11:45,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434891155] [2023-11-12 02:11:45,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:45,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:11:45,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:11:45,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:11:45,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:11:45,080 INFO L87 Difference]: Start difference. First operand 61 states and 91 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:11:47,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:11:49,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:11:50,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:11:53,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:11:54,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:11:54,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:54,376 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2023-11-12 02:11:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:11:54,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2023-11-12 02:11:54,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:54,383 INFO L225 Difference]: With dead ends: 271 [2023-11-12 02:11:54,384 INFO L226 Difference]: Without dead ends: 213 [2023-11-12 02:11:54,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:11:54,388 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 154 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 45 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:54,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 479 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 9.1s Time] [2023-11-12 02:11:54,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2023-11-12 02:11:54,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 117. [2023-11-12 02:11:54,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 70 states have internal predecessors, (89), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-12 02:11:54,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 177 transitions. [2023-11-12 02:11:54,440 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 177 transitions. Word has length 138 [2023-11-12 02:11:54,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:54,442 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 177 transitions. [2023-11-12 02:11:54,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:11:54,442 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 177 transitions. [2023-11-12 02:11:54,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-12 02:11:54,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:54,446 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:54,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:54,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:11:54,665 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:54,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:54,666 INFO L85 PathProgramCache]: Analyzing trace with hash 797638697, now seen corresponding path program 1 times [2023-11-12 02:11:54,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:11:54,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [941167100] [2023-11-12 02:11:54,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:54,668 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:11:54,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:11:54,669 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:11:54,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6d8711-2239-47de-bc4e-cd800f0c0aae/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 02:11:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:55,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-12 02:11:55,257 INFO L285 TraceCheckSpWp]: Computing forward predicates...