./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-70.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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 150a86d5a785dd5e734eb9205a958977092b5e20d38a63da424f144db7090696 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:06:36,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:06:36,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:06:36,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:06:36,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:06:36,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:06:36,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:06:36,341 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:06:36,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:06:36,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:06:36,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:06:36,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:06:36,344 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:06:36,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:06:36,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:06:36,347 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:06:36,347 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:06:36,348 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:06:36,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:06:36,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:06:36,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:06:36,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:06:36,352 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:06:36,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:06:36,353 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:06:36,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:06:36,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:06:36,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:06:36,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:06:36,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:06:36,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:06:36,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:06:36,357 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:06:36,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:06:36,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:06:36,358 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:06:36,358 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:06:36,359 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:06:36,359 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:06:36,359 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_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 150a86d5a785dd5e734eb9205a958977092b5e20d38a63da424f144db7090696 [2023-11-12 02:06:36,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:06:36,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:06:36,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:06:36,712 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:06:36,713 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:06:36,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-70.i [2023-11-12 02:06:40,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:06:40,228 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:06:40,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-70.i [2023-11-12 02:06:40,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/data/1d7102c90/008aba21bf8447d0970b905d7d89d800/FLAG58179bae3 [2023-11-12 02:06:40,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/data/1d7102c90/008aba21bf8447d0970b905d7d89d800 [2023-11-12 02:06:40,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:06:40,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:06:40,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:40,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:06:40,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:06:40,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5224a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40, skipping insertion in model container [2023-11-12 02:06:40,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,306 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:06:40,482 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_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-70.i[919,932] [2023-11-12 02:06:40,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:40,551 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:06:40,565 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_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-70.i[919,932] [2023-11-12 02:06:40,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:40,628 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:06:40,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40 WrapperNode [2023-11-12 02:06:40,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:40,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:40,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:06:40,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:06:40,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,726 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2023-11-12 02:06:40,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:40,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:06:40,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:06:40,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:06:40,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:06:40,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:06:40,786 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:06:40,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:06:40,787 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:06:40,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:40,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:40,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:06:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:06:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:06:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:06:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:06:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:06:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:06:40,949 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:06:40,951 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:06:41,307 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:06:41,314 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:06:41,315 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:06:41,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:41 BoogieIcfgContainer [2023-11-12 02:06:41,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:06:41,352 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:06:41,352 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:06:41,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:06:41,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:06:40" (1/3) ... [2023-11-12 02:06:41,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d31370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:06:41, skipping insertion in model container [2023-11-12 02:06:41,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (2/3) ... [2023-11-12 02:06:41,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d31370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:06:41, skipping insertion in model container [2023-11-12 02:06:41,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:41" (3/3) ... [2023-11-12 02:06:41,359 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-70.i [2023-11-12 02:06:41,381 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:06:41,381 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:06:41,438 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:06:41,446 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;@15fc9a87, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:06:41,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:06:41,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-12 02:06:41,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-12 02:06:41,462 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:41,463 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:06:41,464 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:41,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:41,470 INFO L85 PathProgramCache]: Analyzing trace with hash 25884481, now seen corresponding path program 1 times [2023-11-12 02:06:41,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:41,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233551800] [2023-11-12 02:06:41,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:41,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:41,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:41,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233551800] [2023-11-12 02:06:41,687 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:06:41,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201809722] [2023-11-12 02:06:41,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:41,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:41,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:41,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:41,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:06:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:41,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:06:41,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:42,053 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-12 02:06:42,054 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:42,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201809722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:42,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:42,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:06:42,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269300514] [2023-11-12 02:06:42,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:42,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:06:42,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:42,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:06:42,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:06:42,123 INFO L87 Difference]: Start difference. First operand has 49 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:06:42,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:42,160 INFO L93 Difference]: Finished difference Result 91 states and 151 transitions. [2023-11-12 02:06:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:06:42,164 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2023-11-12 02:06:42,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:42,177 INFO L225 Difference]: With dead ends: 91 [2023-11-12 02:06:42,177 INFO L226 Difference]: Without dead ends: 45 [2023-11-12 02:06:42,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 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 02:06:42,185 INFO L413 NwaCegarLoop]: 64 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, 64 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 02:06:42,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:06:42,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-12 02:06:42,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-12 02:06:42,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-12 02:06:42,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2023-11-12 02:06:42,248 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 89 [2023-11-12 02:06:42,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:42,249 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2023-11-12 02:06:42,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:06:42,250 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2023-11-12 02:06:42,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-12 02:06:42,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:42,259 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:06:42,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:42,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:06:42,472 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:42,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:42,473 INFO L85 PathProgramCache]: Analyzing trace with hash -408028997, now seen corresponding path program 1 times [2023-11-12 02:06:42,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:42,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129048129] [2023-11-12 02:06:42,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:42,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:42,574 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:06:42,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [918010926] [2023-11-12 02:06:42,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:42,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:42,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:42,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:42,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:06:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:43,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-12 02:06:43,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:44,332 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-12 02:06:44,333 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:44,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:44,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129048129] [2023-11-12 02:06:44,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:06:44,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918010926] [2023-11-12 02:06:44,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918010926] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:44,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:44,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-12 02:06:44,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059990909] [2023-11-12 02:06:44,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:44,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:06:44,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:44,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:06:44,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:06:44,340 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 11 states, 11 states have (on average 3.0) internal successors, (33), 9 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:06:45,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:45,304 INFO L93 Difference]: Finished difference Result 182 states and 256 transitions. [2023-11-12 02:06:45,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-12 02:06:45,305 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 9 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2023-11-12 02:06:45,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:45,309 INFO L225 Difference]: With dead ends: 182 [2023-11-12 02:06:45,309 INFO L226 Difference]: Without dead ends: 140 [2023-11-12 02:06:45,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=360, Unknown=0, NotChecked=0, Total=506 [2023-11-12 02:06:45,312 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 144 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:45,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 317 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 02:06:45,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-12 02:06:45,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 92. [2023-11-12 02:06:45,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 61 states have (on average 1.2622950819672132) internal successors, (77), 61 states have internal predecessors, (77), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 02:06:45,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2023-11-12 02:06:45,348 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 89 [2023-11-12 02:06:45,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:45,349 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2023-11-12 02:06:45,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 9 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:06:45,350 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2023-11-12 02:06:45,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-12 02:06:45,352 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:45,352 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:06:45,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:45,560 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:45,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:45,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1217375623, now seen corresponding path program 1 times [2023-11-12 02:06:45,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:45,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848066624] [2023-11-12 02:06:45,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:45,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:45,608 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:06:45,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [766200035] [2023-11-12 02:06:45,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:45,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:45,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,610 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:06:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:46,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:46,542 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:46,542 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:06:46,544 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:06:46,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-12 02:06:46,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:46,762 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-12 02:06:46,765 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:06:46,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:06:46 BoogieIcfgContainer [2023-11-12 02:06:46,923 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:06:46,925 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:06:46,925 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:06:46,925 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:06:46,926 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:41" (3/4) ... [2023-11-12 02:06:46,928 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:06:46,930 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:06:46,931 INFO L158 Benchmark]: Toolchain (without parser) took 6670.26ms. Allocated memory was 130.0MB in the beginning and 180.4MB in the end (delta: 50.3MB). Free memory was 84.5MB in the beginning and 80.3MB in the end (delta: 4.2MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2023-11-12 02:06:46,931 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:06:46,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.18ms. Allocated memory is still 130.0MB. Free memory was 84.1MB in the beginning and 70.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:06:46,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.99ms. Allocated memory is still 130.0MB. Free memory was 70.5MB in the beginning and 67.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:06:46,935 INFO L158 Benchmark]: Boogie Preprocessor took 57.25ms. Allocated memory is still 130.0MB. Free memory was 67.3MB in the beginning and 65.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:06:46,936 INFO L158 Benchmark]: RCFGBuilder took 563.68ms. Allocated memory was 130.0MB in the beginning and 180.4MB in the end (delta: 50.3MB). Free memory was 65.6MB in the beginning and 150.4MB in the end (delta: -84.8MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-11-12 02:06:46,940 INFO L158 Benchmark]: TraceAbstraction took 5571.49ms. Allocated memory is still 180.4MB. Free memory was 150.4MB in the beginning and 80.3MB in the end (delta: 70.1MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2023-11-12 02:06:46,940 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 180.4MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:06:46,943 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.18ms. Allocated memory is still 130.0MB. Free memory was 84.1MB in the beginning and 70.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.99ms. Allocated memory is still 130.0MB. Free memory was 70.5MB in the beginning and 67.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.25ms. Allocated memory is still 130.0MB. Free memory was 67.3MB in the beginning and 65.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 563.68ms. Allocated memory was 130.0MB in the beginning and 180.4MB in the end (delta: 50.3MB). Free memory was 65.6MB in the beginning and 150.4MB in the end (delta: -84.8MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5571.49ms. Allocated memory is still 180.4MB. Free memory was 150.4MB in the beginning and 80.3MB in the end (delta: 70.1MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 180.4MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 108. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.05; [L23] double var_1_6 = 0.0; [L24] double var_1_7 = 49.5; [L25] double var_1_8 = 16.75; [L26] unsigned short int var_1_9 = 1; [L27] unsigned long int var_1_11 = 8; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 1; [L30] unsigned char var_1_14 = 32; [L31] unsigned char var_1_15 = 50; [L32] unsigned char var_1_16 = 8; [L33] unsigned char var_1_17 = 32; [L34] unsigned long int var_1_18 = 2; [L35] unsigned long int var_1_19 = 3876014737; [L36] unsigned char var_1_20 = 0; [L37] double last_1_var_1_1 = 5.05; [L38] unsigned short int last_1_var_1_9 = 1; [L39] unsigned long int last_1_var_1_11 = 8; [L40] unsigned char last_1_var_1_14 = 32; [L41] unsigned char last_1_var_1_20 = 0; VAL [isInitial=0, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] CALL updateLastVariables() [L101] last_1_var_1_1 = var_1_1 [L102] last_1_var_1_9 = var_1_9 [L103] last_1_var_1_11 = var_1_11 [L104] last_1_var_1_14 = var_1_14 [L105] last_1_var_1_20 = var_1_20 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L115] RET updateLastVariables() [L116] CALL updateVariables() [L78] var_1_6 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L79] RET assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L80] var_1_7 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=67/4, var_1_9=1] [L81] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=67/4, var_1_9=1] [L82] var_1_8 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L83] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L84] var_1_13 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L85] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L86] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L86] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L87] var_1_15 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L88] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L89] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L90] var_1_16 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L91] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L92] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L93] var_1_17 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L94] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L95] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L96] var_1_19 = __VERIFIER_nondet_ulong() [L97] CALL assume_abort_if_not(var_1_19 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L97] RET assume_abort_if_not(var_1_19 >= 3221225470) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L98] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L98] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L116] RET updateVariables() [L117] CALL step() [L45] COND TRUE \read(var_1_13) [L46] var_1_18 = ((var_1_19 - last_1_var_1_9) - last_1_var_1_11) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=4294967285, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L50] COND FALSE !(var_1_6 > ((((var_1_8) < (last_1_var_1_1)) ? (var_1_8) : (last_1_var_1_1)))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=4294967285, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L59] COND TRUE (8 - 64) <= (var_1_9 - var_1_9) [L60] var_1_14 = (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=4294967285, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L64] COND FALSE !(var_1_18 >= (- ((((var_1_9) < (var_1_9)) ? (var_1_9) : (var_1_9))))) [L67] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=0, var_1_7=2, var_1_8=3, var_1_9=1] [L69] COND TRUE (var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14))) [L70] var_1_20 = var_1_13 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_7=2, var_1_8=3, var_1_9=1] [L72] COND TRUE \read(var_1_20) [L73] var_1_12 = var_1_13 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_7=2, var_1_8=3, var_1_9=1] [L75] var_1_11 = (var_1_9 + (((((var_1_18) < (var_1_9)) ? (var_1_18) : (var_1_9))) + 2u)) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_7=2, var_1_8=3, var_1_9=1] [L117] RET step() [L118] CALL, EXPR property() [L108-L109] return (((((((var_1_18 >= (- ((((var_1_9) < (var_1_9)) ? (var_1_9) : (var_1_9))))) ? (var_1_1 == ((double) (((var_1_6 - var_1_7) - ((((64.75) > (128.725)) ? (64.75) : (128.725)))) + var_1_8))) : (var_1_1 == ((double) var_1_7))) && ((var_1_6 > ((((var_1_8) < (last_1_var_1_1)) ? (var_1_8) : (last_1_var_1_1)))) ? ((! ((last_1_var_1_1 == var_1_7) && (last_1_var_1_20 || last_1_var_1_20))) ? ((! (var_1_6 <= var_1_7)) ? (var_1_9 == ((unsigned short int) ((((last_1_var_1_14) < (last_1_var_1_14)) ? (last_1_var_1_14) : (last_1_var_1_14))))) : 1) : (var_1_9 == ((unsigned short int) last_1_var_1_14))) : 1)) && (var_1_11 == ((unsigned long int) (var_1_9 + (((((var_1_18) < (var_1_9)) ? (var_1_18) : (var_1_9))) + 2u))))) && (var_1_20 ? (var_1_12 == ((unsigned char) var_1_13)) : 1)) && (((8 - 64) <= (var_1_9 - var_1_9)) ? (var_1_14 == ((unsigned char) (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))))) : (var_1_14 == ((unsigned char) var_1_17)))) && (var_1_13 ? (var_1_18 == ((unsigned long int) ((var_1_19 - last_1_var_1_9) - last_1_var_1_11))) : (var_1_18 == ((unsigned long int) (((((var_1_19 - var_1_17)) > (var_1_15)) ? ((var_1_19 - var_1_17)) : (var_1_15))))))) && (((var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14)))) ? (var_1_20 == ((unsigned char) var_1_13)) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_7=2, var_1_8=3, var_1_9=1] [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_7=2, var_1_8=3, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_7=2, var_1_8=3, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 3, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 144 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 144 mSDsluCounter, 381 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 235 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 384 IncrementalHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 146 mSDtfsCounter, 384 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=2, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 987 SizeOfPredicates, 8 NumberOfNonLiveVariables, 474 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 624/624 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 02:06:46,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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 150a86d5a785dd5e734eb9205a958977092b5e20d38a63da424f144db7090696 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:06:49,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:06:49,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:06:49,876 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:06:49,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:06:49,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:06:49,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:06:49,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:06:49,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:06:49,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:06:49,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:06:49,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:06:49,911 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:06:49,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:06:49,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:06:49,913 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:06:49,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:06:49,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:06:49,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:06:49,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:06:49,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:06:49,917 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:06:49,918 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:06:49,918 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:06:49,919 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:06:49,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:06:49,920 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:06:49,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:06:49,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:06:49,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:06:49,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:06:49,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:06:49,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:06:49,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:06:49,923 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:06:49,924 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:06:49,924 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:06:49,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:06:49,924 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:06:49,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:06:49,925 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:06:49,925 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:06:49,926 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_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 150a86d5a785dd5e734eb9205a958977092b5e20d38a63da424f144db7090696 [2023-11-12 02:06:50,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:06:50,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:06:50,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:06:50,335 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:06:50,336 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:06:50,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-70.i [2023-11-12 02:06:53,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:06:53,907 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:06:53,908 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-70.i [2023-11-12 02:06:53,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/data/ff19325bd/1c0a086503da4a5daadf1ebc82a3619e/FLAGfbf69be5d [2023-11-12 02:06:53,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/data/ff19325bd/1c0a086503da4a5daadf1ebc82a3619e [2023-11-12 02:06:53,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:06:53,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:06:53,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:53,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:06:53,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:06:53,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:53" (1/1) ... [2023-11-12 02:06:53,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aaef5d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:53, skipping insertion in model container [2023-11-12 02:06:53,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:53" (1/1) ... [2023-11-12 02:06:54,015 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:06:54,263 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_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-70.i[919,932] [2023-11-12 02:06:54,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:54,408 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:06:54,434 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_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-70.i[919,932] [2023-11-12 02:06:54,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:54,515 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:06:54,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:54 WrapperNode [2023-11-12 02:06:54,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:54,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:54,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:06:54,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:06:54,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:54" (1/1) ... [2023-11-12 02:06:54,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:54" (1/1) ... [2023-11-12 02:06:54,610 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2023-11-12 02:06:54,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:54,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:06:54,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:06:54,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:06:54,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:54" (1/1) ... [2023-11-12 02:06:54,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:54" (1/1) ... [2023-11-12 02:06:54,644 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:54" (1/1) ... [2023-11-12 02:06:54,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:54" (1/1) ... [2023-11-12 02:06:54,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:54" (1/1) ... [2023-11-12 02:06:54,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:54" (1/1) ... [2023-11-12 02:06:54,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:54" (1/1) ... [2023-11-12 02:06:54,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:54" (1/1) ... [2023-11-12 02:06:54,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:06:54,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:06:54,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:06:54,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:06:54,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:54" (1/1) ... [2023-11-12 02:06:54,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:06:54,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:54,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:54,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:06:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:06:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:06:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:06:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:06:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:06:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:06:54,946 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:06:54,948 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:06:59,610 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:06:59,619 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:06:59,619 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:06:59,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:59 BoogieIcfgContainer [2023-11-12 02:06:59,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:06:59,625 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:06:59,625 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:06:59,629 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:06:59,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:06:53" (1/3) ... [2023-11-12 02:06:59,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ac490a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:06:59, skipping insertion in model container [2023-11-12 02:06:59,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:54" (2/3) ... [2023-11-12 02:06:59,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ac490a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:06:59, skipping insertion in model container [2023-11-12 02:06:59,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:59" (3/3) ... [2023-11-12 02:06:59,633 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-70.i [2023-11-12 02:06:59,654 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:06:59,655 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:06:59,716 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:06:59,724 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;@285efffe, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:06:59,724 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:06:59,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-12 02:06:59,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-12 02:06:59,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:59,748 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:06:59,753 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:59,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:59,763 INFO L85 PathProgramCache]: Analyzing trace with hash 25884481, now seen corresponding path program 1 times [2023-11-12 02:06:59,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:06:59,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494890110] [2023-11-12 02:06:59,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:59,785 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 02:06:59,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:06:59,796 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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 02:06:59,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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 02:07:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:00,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:07:00,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2023-11-12 02:07:00,569 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:07:00,570 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:07:00,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494890110] [2023-11-12 02:07:00,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1494890110] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:07:00,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:07:00,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:07:00,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971418766] [2023-11-12 02:07:00,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:07:00,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:07:00,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:07:00,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:07:00,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:07:00,640 INFO L87 Difference]: Start difference. First operand has 49 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:07:00,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:07:00,693 INFO L93 Difference]: Finished difference Result 91 states and 151 transitions. [2023-11-12 02:07:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:07:00,696 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2023-11-12 02:07:00,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:07:00,708 INFO L225 Difference]: With dead ends: 91 [2023-11-12 02:07:00,708 INFO L226 Difference]: Without dead ends: 45 [2023-11-12 02:07:00,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 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 02:07:00,719 INFO L413 NwaCegarLoop]: 64 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, 64 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 02:07:00,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:07:00,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-12 02:07:00,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-12 02:07:00,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-12 02:07:00,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2023-11-12 02:07:00,790 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 89 [2023-11-12 02:07:00,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:07:00,790 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2023-11-12 02:07:00,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:07:00,792 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2023-11-12 02:07:00,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-12 02:07:00,799 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:07:00,799 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:00,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:01,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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 02:07:01,018 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:07:01,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:01,019 INFO L85 PathProgramCache]: Analyzing trace with hash -408028997, now seen corresponding path program 1 times [2023-11-12 02:07:01,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:07:01,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073644347] [2023-11-12 02:07:01,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:01,020 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 02:07:01,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:07:01,053 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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 02:07:01,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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 02:07:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:01,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:07:01,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-12 02:07:03,408 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:07:04,210 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:07:04,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073644347] [2023-11-12 02:07:04,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073644347] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:07:04,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [81052208] [2023-11-12 02:07:04,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:04,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 02:07:04,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/cvc4 [2023-11-12 02:07:04,214 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 02:07:04,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 02:07:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:05,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:07:05,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:07,160 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-12 02:07:07,160 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:07:07,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [81052208] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:07:07,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:07:07,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2023-11-12 02:07:07,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727896490] [2023-11-12 02:07:07,310 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:07:07,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:07:07,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:07:07,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:07:07,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:07:07,313 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:07:11,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:07:13,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:07:15,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:07:16,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:07:18,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:07:20,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:07:22,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:07:24,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:07:26,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:07:28,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:07:29,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:07:29,215 INFO L93 Difference]: Finished difference Result 178 states and 253 transitions. [2023-11-12 02:07:29,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-12 02:07:29,217 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2023-11-12 02:07:29,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:07:29,221 INFO L225 Difference]: With dead ends: 178 [2023-11-12 02:07:29,222 INFO L226 Difference]: Without dead ends: 136 [2023-11-12 02:07:29,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2023-11-12 02:07:29,224 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 139 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 55 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:07:29,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 239 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 278 Invalid, 5 Unknown, 0 Unchecked, 21.3s Time] [2023-11-12 02:07:29,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-12 02:07:29,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 88. [2023-11-12 02:07:29,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 58 states have (on average 1.2758620689655173) internal successors, (74), 58 states have internal predecessors, (74), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 02:07:29,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 126 transitions. [2023-11-12 02:07:29,261 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 126 transitions. Word has length 89 [2023-11-12 02:07:29,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:07:29,262 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 126 transitions. [2023-11-12 02:07:29,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:07:29,263 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 126 transitions. [2023-11-12 02:07:29,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-12 02:07:29,265 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:07:29,265 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:29,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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 02:07:29,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-12 02:07:29,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/cvc4 --incremental --print-success --lang smt [2023-11-12 02:07:29,685 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:07:29,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:29,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1217375623, now seen corresponding path program 1 times [2023-11-12 02:07:29,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:07:29,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182756666] [2023-11-12 02:07:29,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:29,687 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 02:07:29,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:07:29,689 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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 02:07:29,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbae94bc-20a1-4e04-b22b-0ed8cbb76194/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 (5)] Waiting until timeout for monitored process [2023-11-12 02:07:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:30,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-12 02:07:30,116 INFO L285 TraceCheckSpWp]: Computing forward predicates...