./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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 cc3a84fad616b331392c1cbee66ac380889aa15bfd2024f97a694900f4fe81e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:29:51,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:29:51,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:29:51,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:29:51,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:29:51,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:29:51,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:29:51,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:29:51,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:29:51,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:29:51,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:29:51,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:29:51,662 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:29:51,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:29:51,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:29:51,664 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:29:51,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:29:51,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:29:51,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:29:51,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:29:51,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:29:51,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:29:51,677 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:29:51,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:29:51,677 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:29:51,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:29:51,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:29:51,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:29:51,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:29:51,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:29:51,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:29:51,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:29:51,681 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:29:51,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:29:51,682 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:29:51,683 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:29:51,683 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:29:51,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:29:51,694 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:29:51,694 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_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc3a84fad616b331392c1cbee66ac380889aa15bfd2024f97a694900f4fe81e6 [2023-11-12 02:29:52,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:29:52,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:29:52,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:29:52,040 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:29:52,040 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:29:52,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i [2023-11-12 02:29:55,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:29:55,445 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:29:55,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i [2023-11-12 02:29:55,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/data/6764d66c3/ddca871690b741e8b36e17dfa7d66206/FLAGd7575f146 [2023-11-12 02:29:55,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/data/6764d66c3/ddca871690b741e8b36e17dfa7d66206 [2023-11-12 02:29:55,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:29:55,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:29:55,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:29:55,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:29:55,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:29:55,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:29:55" (1/1) ... [2023-11-12 02:29:55,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@adac08e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:55, skipping insertion in model container [2023-11-12 02:29:55,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:29:55" (1/1) ... [2023-11-12 02:29:55,567 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:29:55,759 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_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i[913,926] [2023-11-12 02:29:55,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:29:55,868 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:29:55,881 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_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i[913,926] [2023-11-12 02:29:55,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:29:55,931 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:29:55,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:55 WrapperNode [2023-11-12 02:29:55,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:29:55,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:29:55,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:29:55,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:29:55,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:55" (1/1) ... [2023-11-12 02:29:55,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:55" (1/1) ... [2023-11-12 02:29:55,987 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2023-11-12 02:29:55,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:29:55,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:29:55,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:29:55,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:29:55,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:55" (1/1) ... [2023-11-12 02:29:56,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:55" (1/1) ... [2023-11-12 02:29:56,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:55" (1/1) ... [2023-11-12 02:29:56,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:55" (1/1) ... [2023-11-12 02:29:56,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:55" (1/1) ... [2023-11-12 02:29:56,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:55" (1/1) ... [2023-11-12 02:29:56,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:55" (1/1) ... [2023-11-12 02:29:56,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:55" (1/1) ... [2023-11-12 02:29:56,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:29:56,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:29:56,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:29:56,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:29:56,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:55" (1/1) ... [2023-11-12 02:29:56,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:29:56,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:56,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:56,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:29:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:29:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:29:56,116 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:29:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:29:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:29:56,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:29:56,224 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:29:56,227 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:29:56,607 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:29:56,615 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:29:56,615 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:29:56,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:56 BoogieIcfgContainer [2023-11-12 02:29:56,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:29:56,621 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:29:56,621 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:29:56,625 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:29:56,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:29:55" (1/3) ... [2023-11-12 02:29:56,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f708a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:29:56, skipping insertion in model container [2023-11-12 02:29:56,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:55" (2/3) ... [2023-11-12 02:29:56,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f708a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:29:56, skipping insertion in model container [2023-11-12 02:29:56,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:56" (3/3) ... [2023-11-12 02:29:56,628 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-60.i [2023-11-12 02:29:56,654 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:29:56,655 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:29:56,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:29:56,716 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;@423e9993, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:29:56,716 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:29:56,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 02:29:56,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 02:29:56,740 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:29:56,741 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:56,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:29:56,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:56,748 INFO L85 PathProgramCache]: Analyzing trace with hash -872191040, now seen corresponding path program 1 times [2023-11-12 02:29:56,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:56,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069859831] [2023-11-12 02:29:56,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:56,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:56,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:56,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069859831] [2023-11-12 02:29:56,992 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:29:56,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441758059] [2023-11-12 02:29:56,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:56,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:29:57,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:57,012 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:29:57,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:29:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:57,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:29:57,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:29:57,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2023-11-12 02:29:57,371 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:29:57,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441758059] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:29:57,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:29:57,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:29:57,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717300900] [2023-11-12 02:29:57,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:29:57,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:29:57,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:57,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:29:57,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:29:57,425 INFO L87 Difference]: Start difference. First operand has 72 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 02:29:57,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:29:57,493 INFO L93 Difference]: Finished difference Result 137 states and 242 transitions. [2023-11-12 02:29:57,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:29:57,498 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 161 [2023-11-12 02:29:57,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:29:57,509 INFO L225 Difference]: With dead ends: 137 [2023-11-12 02:29:57,509 INFO L226 Difference]: Without dead ends: 68 [2023-11-12 02:29:57,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 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 02:29:57,522 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:29:57,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:29:57,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-12 02:29:57,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-12 02:29:57,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 02:29:57,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 104 transitions. [2023-11-12 02:29:57,617 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 104 transitions. Word has length 161 [2023-11-12 02:29:57,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:29:57,618 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 104 transitions. [2023-11-12 02:29:57,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 02:29:57,618 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2023-11-12 02:29:57,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 02:29:57,623 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:29:57,623 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:57,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 02:29:57,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:29:57,829 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:29:57,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:57,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1466653832, now seen corresponding path program 1 times [2023-11-12 02:29:57,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:57,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487977612] [2023-11-12 02:29:57,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:57,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:57,989 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:29:57,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1483848518] [2023-11-12 02:29:57,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:57,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:29:57,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:58,005 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:29:58,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:29:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:58,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:29:58,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:29:58,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 02:29:58,239 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:29:58,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:58,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487977612] [2023-11-12 02:29:58,240 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:29:58,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483848518] [2023-11-12 02:29:58,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483848518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:29:58,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:29:58,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:29:58,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128596421] [2023-11-12 02:29:58,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:29:58,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:29:58,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:58,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:29:58,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:29:58,247 INFO L87 Difference]: Start difference. First operand 68 states and 104 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 02:29:58,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:29:58,322 INFO L93 Difference]: Finished difference Result 169 states and 256 transitions. [2023-11-12 02:29:58,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:29:58,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 161 [2023-11-12 02:29:58,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:29:58,333 INFO L225 Difference]: With dead ends: 169 [2023-11-12 02:29:58,333 INFO L226 Difference]: Without dead ends: 104 [2023-11-12 02:29:58,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:29:58,336 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 50 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:29:58,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 243 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:29:58,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-12 02:29:58,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2023-11-12 02:29:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 59 states have internal predecessors, (72), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-12 02:29:58,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 152 transitions. [2023-11-12 02:29:58,360 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 152 transitions. Word has length 161 [2023-11-12 02:29:58,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:29:58,362 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 152 transitions. [2023-11-12 02:29:58,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 02:29:58,362 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2023-11-12 02:29:58,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-12 02:29:58,366 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:29:58,366 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:58,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-12 02:29:58,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:29:58,572 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:29:58,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:58,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1143043144, now seen corresponding path program 1 times [2023-11-12 02:29:58,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:58,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219936617] [2023-11-12 02:29:58,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:58,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:58,660 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:29:58,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2100843435] [2023-11-12 02:29:58,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:58,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:29:58,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:58,678 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:29:58,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:29:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:58,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:29:58,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:29:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 02:29:58,913 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:29:58,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:58,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219936617] [2023-11-12 02:29:58,914 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:29:58,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100843435] [2023-11-12 02:29:58,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100843435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:29:58,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:29:58,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:29:58,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651772666] [2023-11-12 02:29:58,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:29:58,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:29:58,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:58,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:29:58,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:29:58,920 INFO L87 Difference]: Start difference. First operand 101 states and 152 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 02:29:58,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:29:58,992 INFO L93 Difference]: Finished difference Result 224 states and 337 transitions. [2023-11-12 02:29:58,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:29:58,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 162 [2023-11-12 02:29:58,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:29:59,003 INFO L225 Difference]: With dead ends: 224 [2023-11-12 02:29:59,004 INFO L226 Difference]: Without dead ends: 126 [2023-11-12 02:29:59,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:29:59,010 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 21 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:29:59,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 192 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:29:59,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-12 02:29:59,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 107. [2023-11-12 02:29:59,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 64 states have (on average 1.296875) internal successors, (83), 65 states have internal predecessors, (83), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-12 02:29:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 163 transitions. [2023-11-12 02:29:59,059 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 163 transitions. Word has length 162 [2023-11-12 02:29:59,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:29:59,060 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 163 transitions. [2023-11-12 02:29:59,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 02:29:59,061 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 163 transitions. [2023-11-12 02:29:59,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-12 02:29:59,063 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:29:59,064 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:59,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:59,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-12 02:29:59,275 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:29:59,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:59,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1376916790, now seen corresponding path program 1 times [2023-11-12 02:29:59,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:59,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941155944] [2023-11-12 02:29:59,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:59,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:59,355 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:29:59,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1836934334] [2023-11-12 02:29:59,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:59,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:29:59,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:59,361 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:29:59,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:29:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:59,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:00,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:00,094 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:30:00,095 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:30:00,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:00,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:00,307 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:30:00,311 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:30:00,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:30:00 BoogieIcfgContainer [2023-11-12 02:30:00,484 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:30:00,484 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:30:00,484 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:30:00,484 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:30:00,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:56" (3/4) ... [2023-11-12 02:30:00,487 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:30:00,488 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:30:00,492 INFO L158 Benchmark]: Toolchain (without parser) took 4995.16ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 122.4MB in the beginning and 117.0MB in the end (delta: 5.4MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-11-12 02:30:00,492 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 123.7MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:30:00,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.73ms. Allocated memory is still 153.1MB. Free memory was 121.8MB in the beginning and 108.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:30:00,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.23ms. Allocated memory is still 153.1MB. Free memory was 108.5MB in the beginning and 105.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:30:00,493 INFO L158 Benchmark]: Boogie Preprocessor took 38.04ms. Allocated memory is still 153.1MB. Free memory was 105.6MB in the beginning and 104.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:30:00,493 INFO L158 Benchmark]: RCFGBuilder took 590.81ms. Allocated memory is still 153.1MB. Free memory was 104.3MB in the beginning and 108.2MB in the end (delta: -3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:30:00,494 INFO L158 Benchmark]: TraceAbstraction took 3862.53ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 107.4MB in the beginning and 118.1MB in the end (delta: -10.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2023-11-12 02:30:00,494 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 184.5MB. Free memory was 118.1MB in the beginning and 117.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:30:00,497 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 123.7MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.73ms. Allocated memory is still 153.1MB. Free memory was 121.8MB in the beginning and 108.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.23ms. Allocated memory is still 153.1MB. Free memory was 108.5MB in the beginning and 105.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.04ms. Allocated memory is still 153.1MB. Free memory was 105.6MB in the beginning and 104.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 590.81ms. Allocated memory is still 153.1MB. Free memory was 104.3MB in the beginning and 108.2MB in the end (delta: -3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3862.53ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 107.4MB in the beginning and 118.1MB in the end (delta: -10.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 184.5MB. Free memory was 118.1MB in the beginning and 117.0MB in the end (delta: 1.0MB). 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 someBinaryFLOATComparisonOperation at line 139, overapproximation of someBinaryDOUBLEComparisonOperation at line 139, overapproximation of someBinaryArithmeticDOUBLEoperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 32; [L23] unsigned char var_1_2 = 1; [L24] float var_1_3 = 10.7; [L25] float var_1_4 = 7.8; [L26] float var_1_5 = 99.5; [L27] signed short int var_1_6 = 16; [L28] signed short int var_1_7 = 256; [L29] float var_1_8 = 256.6; [L30] unsigned char var_1_9 = 50; [L31] unsigned char var_1_10 = 5; [L32] double var_1_11 = 127.75; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 1; [L35] unsigned char var_1_14 = 0; [L36] double var_1_15 = 15.2; [L37] double var_1_16 = 256.5; [L38] double var_1_17 = 256.5; [L39] double var_1_18 = 0.0; [L40] double var_1_19 = 9.7; [L41] unsigned long int var_1_20 = 10000000; [L42] unsigned long int var_1_21 = 4008920074; [L43] unsigned long int var_1_22 = 128; VAL [isInitial=0, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=1, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] FCALL updateLastVariables() [L147] CALL updateVariables() [L93] var_1_2 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L94] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L95] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L95] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L96] var_1_3 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L97] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L98] var_1_4 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L99] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L100] CALL assume_abort_if_not(var_1_4 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L100] RET assume_abort_if_not(var_1_4 != 0.0F) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L101] var_1_5 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L102] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L103] var_1_6 = __VERIFIER_nondet_short() [L104] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L104] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L105] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L105] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L106] var_1_7 = __VERIFIER_nondet_short() [L107] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L107] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L108] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L108] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L109] var_1_10 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L110] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L111] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L111] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L112] var_1_12 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L113] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L114] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L114] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L115] var_1_13 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L116] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L117] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L117] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L118] var_1_14 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L119] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L120] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L120] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L121] var_1_15 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L122] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L123] var_1_17 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L124] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L125] var_1_18 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L126] RET assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L127] var_1_19 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L128] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L129] var_1_21 = __VERIFIER_nondet_ulong() [L130] CALL assume_abort_if_not(var_1_21 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L130] RET assume_abort_if_not(var_1_21 >= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L131] CALL assume_abort_if_not(var_1_21 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L131] RET assume_abort_if_not(var_1_21 <= 4294967294) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=128, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L132] var_1_22 = __VERIFIER_nondet_ulong() [L133] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L133] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L134] CALL assume_abort_if_not(var_1_22 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L134] RET assume_abort_if_not(var_1_22 <= 4294967294) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=32, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L147] RET updateVariables() [L148] CALL step() [L47] COND FALSE !(\read(var_1_2)) [L54] var_1_1 = var_1_7 VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L56] COND FALSE !((- var_1_5) <= var_1_4) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=50] [L61] COND FALSE !(var_1_8 < (var_1_3 + var_1_5)) [L68] var_1_9 = var_1_10 VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=1] [L70] COND TRUE (var_1_8 >= var_1_3) || ((var_1_2 && var_1_12) || (var_1_13 || var_1_14)) VAL [isInitial=1, var_1_10=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=1] [L71] COND FALSE !(\read(var_1_2)) [L74] var_1_11 = var_1_15 VAL [isInitial=1, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_16=513/2, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=1] [L79] COND TRUE ((var_1_10 * var_1_7) + var_1_9) > var_1_1 [L80] var_1_16 = (var_1_17 - (var_1_18 - var_1_19)) VAL [isInitial=1, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=10000000, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=1] [L82] COND TRUE \read(var_1_13) [L83] var_1_20 = (((((var_1_7) > (128u)) ? (var_1_7) : (128u))) + var_1_9) VAL [isInitial=1, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=130, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=1] [L148] RET step() [L149] CALL, EXPR property() [L139-L140] return (((((var_1_2 ? (((var_1_3 / var_1_4) <= var_1_5) ? (var_1_1 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_1 == ((signed short int) var_1_6))) : (var_1_1 == ((signed short int) var_1_7))) && (((- var_1_5) <= var_1_4) ? (((var_1_3 <= var_1_4) || var_1_2) ? (var_1_8 == ((float) 3.3f)) : 1) : 1)) && ((var_1_8 < (var_1_3 + var_1_5)) ? ((((((var_1_7) < (var_1_1)) ? (var_1_7) : (var_1_1))) > (var_1_6 * 1)) ? (var_1_9 == ((unsigned char) var_1_10)) : (var_1_9 == ((unsigned char) var_1_10))) : (var_1_9 == ((unsigned char) var_1_10)))) && (((var_1_8 >= var_1_3) || ((var_1_2 && var_1_12) || (var_1_13 || var_1_14))) ? (var_1_2 ? (var_1_11 == ((double) var_1_15)) : (var_1_11 == ((double) var_1_15))) : (var_1_11 == ((double) var_1_15)))) && ((((var_1_10 * var_1_7) + var_1_9) > var_1_1) ? (var_1_16 == ((double) (var_1_17 - (var_1_18 - var_1_19)))) : 1)) && (var_1_13 ? (var_1_20 == ((unsigned long int) (((((var_1_7) > (128u)) ? (var_1_7) : (128u))) + var_1_9))) : ((var_1_7 >= var_1_6) ? (var_1_20 == ((unsigned long int) (var_1_21 - var_1_9))) : (var_1_20 == ((unsigned long int) var_1_22)))) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=130, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=1] [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=130, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=5, var_1_17=6, var_1_18=7, var_1_19=8, var_1_1=129, var_1_20=130, var_1_21=4294967294, var_1_22=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=128, var_1_7=129, var_1_8=1283/5, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 4, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 539 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 353 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 481 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=3, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 22 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 807 NumberOfCodeBlocks, 807 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 505 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1118 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3900/3900 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 02:30:00,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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 cc3a84fad616b331392c1cbee66ac380889aa15bfd2024f97a694900f4fe81e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:30:03,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:30:03,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:30:03,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:30:03,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:30:03,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:30:03,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:30:03,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:30:03,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:30:03,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:30:03,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:30:03,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:30:03,681 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:30:03,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:30:03,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:30:03,684 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:30:03,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:30:03,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:30:03,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:30:03,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:30:03,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:30:03,687 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:30:03,688 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:30:03,688 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:30:03,688 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:30:03,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:30:03,689 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:30:03,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:30:03,690 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:30:03,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:30:03,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:03,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:30:03,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:30:03,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:30:03,693 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:30:03,693 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:30:03,693 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:30:03,693 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:30:03,694 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:30:03,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:30:03,695 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:30:03,695 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:30:03,695 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_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc3a84fad616b331392c1cbee66ac380889aa15bfd2024f97a694900f4fe81e6 [2023-11-12 02:30:04,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:30:04,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:30:04,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:30:04,126 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:30:04,127 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:30:04,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i [2023-11-12 02:30:07,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:30:07,843 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:30:07,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i [2023-11-12 02:30:07,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/data/8e5d8ee9f/73cef5790c74408ba11062c58b24abcf/FLAG86ca33212 [2023-11-12 02:30:07,881 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/data/8e5d8ee9f/73cef5790c74408ba11062c58b24abcf [2023-11-12 02:30:07,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:30:07,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:30:07,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:07,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:30:07,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:30:07,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:07" (1/1) ... [2023-11-12 02:30:07,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600fb1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:07, skipping insertion in model container [2023-11-12 02:30:07,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:07" (1/1) ... [2023-11-12 02:30:07,925 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:30:08,080 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_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i[913,926] [2023-11-12 02:30:08,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:08,218 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:30:08,235 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_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i[913,926] [2023-11-12 02:30:08,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:08,307 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:30:08,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08 WrapperNode [2023-11-12 02:30:08,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:08,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:08,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:30:08,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:30:08,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,389 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2023-11-12 02:30:08,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:08,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:30:08,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:30:08,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:30:08,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:30:08,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:30:08,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:30:08,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:30:08,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:08,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:08,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:08,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:30:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:30:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:30:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:30:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:30:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:30:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:30:08,697 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:30:08,699 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:30:14,450 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:30:14,461 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:30:14,470 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:30:14,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:14 BoogieIcfgContainer [2023-11-12 02:30:14,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:30:14,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:30:14,483 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:30:14,487 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:30:14,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:30:07" (1/3) ... [2023-11-12 02:30:14,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ef576a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:30:14, skipping insertion in model container [2023-11-12 02:30:14,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (2/3) ... [2023-11-12 02:30:14,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ef576a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:30:14, skipping insertion in model container [2023-11-12 02:30:14,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:14" (3/3) ... [2023-11-12 02:30:14,491 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-60.i [2023-11-12 02:30:14,508 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:30:14,508 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:30:14,581 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:30:14,590 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;@59861426, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:30:14,590 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:30:14,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 02:30:14,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 02:30:14,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:14,621 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:14,624 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:14,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:14,634 INFO L85 PathProgramCache]: Analyzing trace with hash -872191040, now seen corresponding path program 1 times [2023-11-12 02:30:14,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:30:14,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350115524] [2023-11-12 02:30:14,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:14,655 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 02:30:14,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:30:14,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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 02:30:14,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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 02:30:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:15,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:30:15,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2023-11-12 02:30:15,566 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:15,567 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:30:15,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [350115524] [2023-11-12 02:30:15,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [350115524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:15,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:15,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:30:15,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806829821] [2023-11-12 02:30:15,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:15,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:30:15,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:30:15,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:30:15,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:30:15,633 INFO L87 Difference]: Start difference. First operand has 72 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 02:30:15,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:15,679 INFO L93 Difference]: Finished difference Result 137 states and 242 transitions. [2023-11-12 02:30:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:30:15,681 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 161 [2023-11-12 02:30:15,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:15,694 INFO L225 Difference]: With dead ends: 137 [2023-11-12 02:30:15,695 INFO L226 Difference]: Without dead ends: 68 [2023-11-12 02:30:15,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 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 02:30:15,704 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:15,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:30:15,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-12 02:30:15,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-12 02:30:15,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 02:30:15,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 104 transitions. [2023-11-12 02:30:15,776 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 104 transitions. Word has length 161 [2023-11-12 02:30:15,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:15,776 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 104 transitions. [2023-11-12 02:30:15,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 02:30:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2023-11-12 02:30:15,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 02:30:15,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:15,790 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:15,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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 02:30:16,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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 02:30:16,005 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:16,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:16,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1466653832, now seen corresponding path program 1 times [2023-11-12 02:30:16,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:30:16,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648449400] [2023-11-12 02:30:16,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:16,008 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 02:30:16,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:30:16,010 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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 02:30:16,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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 02:30:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:16,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:30:16,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:16,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 02:30:16,850 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:16,851 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:30:16,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648449400] [2023-11-12 02:30:16,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648449400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:16,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:16,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:30:16,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595266661] [2023-11-12 02:30:16,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:16,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:30:16,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:30:16,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:30:16,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:30:16,862 INFO L87 Difference]: Start difference. First operand 68 states and 104 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 02:30:19,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:30:21,198 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 02:30:21,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:21,277 INFO L93 Difference]: Finished difference Result 169 states and 256 transitions. [2023-11-12 02:30:21,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:30:21,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 161 [2023-11-12 02:30:21,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:21,282 INFO L225 Difference]: With dead ends: 169 [2023-11-12 02:30:21,284 INFO L226 Difference]: Without dead ends: 104 [2023-11-12 02:30:21,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:30:21,287 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 50 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:21,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 242 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2023-11-12 02:30:21,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-12 02:30:21,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2023-11-12 02:30:21,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 59 states have internal predecessors, (72), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-12 02:30:21,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 152 transitions. [2023-11-12 02:30:21,335 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 152 transitions. Word has length 161 [2023-11-12 02:30:21,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:21,336 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 152 transitions. [2023-11-12 02:30:21,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 02:30:21,337 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2023-11-12 02:30:21,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-12 02:30:21,346 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:21,347 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:21,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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 02:30:21,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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 02:30:21,566 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:21,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:21,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1143043144, now seen corresponding path program 1 times [2023-11-12 02:30:21,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:30:21,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1882720035] [2023-11-12 02:30:21,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:21,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:30:21,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:30:21,570 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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 02:30:21,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 02:30:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:22,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:30:22,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:22,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 02:30:22,356 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:22,356 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:30:22,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1882720035] [2023-11-12 02:30:22,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1882720035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:22,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:22,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:30:22,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310512303] [2023-11-12 02:30:22,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:22,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:30:22,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:30:22,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:30:22,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:30:22,360 INFO L87 Difference]: Start difference. First operand 101 states and 152 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 02:30:24,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:30:25,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:25,705 INFO L93 Difference]: Finished difference Result 224 states and 337 transitions. [2023-11-12 02:30:25,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:30:25,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 162 [2023-11-12 02:30:25,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:25,713 INFO L225 Difference]: With dead ends: 224 [2023-11-12 02:30:25,713 INFO L226 Difference]: Without dead ends: 126 [2023-11-12 02:30:25,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:30:25,732 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 21 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:25,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 192 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2023-11-12 02:30:25,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-12 02:30:25,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 107. [2023-11-12 02:30:25,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 64 states have (on average 1.296875) internal successors, (83), 65 states have internal predecessors, (83), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-12 02:30:25,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 163 transitions. [2023-11-12 02:30:25,762 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 163 transitions. Word has length 162 [2023-11-12 02:30:25,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:25,763 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 163 transitions. [2023-11-12 02:30:25,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 02:30:25,764 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 163 transitions. [2023-11-12 02:30:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-12 02:30:25,766 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:25,766 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:25,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:25,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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 02:30:25,989 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:25,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:25,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1376916790, now seen corresponding path program 1 times [2023-11-12 02:30:25,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:30:25,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506046908] [2023-11-12 02:30:25,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:25,992 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 02:30:25,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:30:25,995 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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 02:30:26,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53f989f-fffb-4cde-8fc2-2f8d2a2accc1/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 02:30:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:26,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-12 02:30:26,828 INFO L285 TraceCheckSpWp]: Computing forward predicates...