./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-67.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 1daf5c2ec9e8248f2d505f15aeca4a0ed45aeaac64401b628ebd467ce31a35cb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:15:38,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:15:38,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:15:38,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:15:38,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:15:38,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:15:38,718 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:15:38,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:15:38,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:15:38,720 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:15:38,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:15:38,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:15:38,722 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:15:38,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:15:38,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:15:38,724 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:15:38,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:15:38,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:15:38,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:15:38,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:15:38,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:15:38,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:15:38,728 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:15:38,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:15:38,729 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:15:38,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:15:38,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:15:38,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:15:38,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:15:38,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:15:38,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:15:38,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:15:38,733 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:15:38,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:15:38,734 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:15:38,734 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:15:38,735 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:15:38,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:15:38,735 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:15:38,736 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_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1daf5c2ec9e8248f2d505f15aeca4a0ed45aeaac64401b628ebd467ce31a35cb [2023-11-06 22:15:39,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:15:39,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:15:39,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:15:39,073 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:15:39,073 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:15:39,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-67.i [2023-11-06 22:15:42,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:15:42,535 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:15:42,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-67.i [2023-11-06 22:15:42,545 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/data/ee4eb91be/9d256918fd564193a57931329367cabc/FLAG9134da2d8 [2023-11-06 22:15:42,564 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/data/ee4eb91be/9d256918fd564193a57931329367cabc [2023-11-06 22:15:42,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:15:42,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:15:42,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:15:42,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:15:42,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:15:42,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:42,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774a0d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42, skipping insertion in model container [2023-11-06 22:15:42,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:42,609 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:15:42,763 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_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-67.i[919,932] [2023-11-06 22:15:42,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:15:42,865 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:15:42,884 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_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-67.i[919,932] [2023-11-06 22:15:42,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:15:42,963 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:15:42,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42 WrapperNode [2023-11-06 22:15:42,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:15:42,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:15:42,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:15:42,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:15:42,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:42,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:43,041 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2023-11-06 22:15:43,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:15:43,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:15:43,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:15:43,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:15:43,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:43,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:43,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:43,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:43,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:43,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:43,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:43,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:43,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:15:43,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:15:43,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:15:43,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:15:43,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (1/1) ... [2023-11-06 22:15:43,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:15:43,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:43,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:15:43,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:15:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:15:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:15:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:15:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:15:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:15:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:15:43,375 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:15:43,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:15:43,820 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:15:43,827 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:15:43,827 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:15:43,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:15:43 BoogieIcfgContainer [2023-11-06 22:15:43,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:15:43,840 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:15:43,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:15:43,844 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:15:43,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:15:42" (1/3) ... [2023-11-06 22:15:43,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11738789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:15:43, skipping insertion in model container [2023-11-06 22:15:43,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:42" (2/3) ... [2023-11-06 22:15:43,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11738789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:15:43, skipping insertion in model container [2023-11-06 22:15:43,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:15:43" (3/3) ... [2023-11-06 22:15:43,848 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-67.i [2023-11-06 22:15:43,869 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:15:43,869 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:15:43,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:15:43,940 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=LoopsAndPotentialCycles, 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;@4eb9ae0b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:15:43,940 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:15:43,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 50 states have internal predecessors, (71), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:15:43,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-06 22:15:43,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:43,964 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:43,965 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:43,969 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:43,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1825630657, now seen corresponding path program 1 times [2023-11-06 22:15:43,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:43,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832783789] [2023-11-06 22:15:43,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:43,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:44,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:44,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832783789] [2023-11-06 22:15:44,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:15:44,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708287754] [2023-11-06 22:15:44,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:44,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:44,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:44,296 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:44,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:15:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:44,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:15:44,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:44,594 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2023-11-06 22:15:44,595 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:44,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708287754] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:44,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:44,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:15:44,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150794506] [2023-11-06 22:15:44,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:44,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:15:44,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:44,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:15:44,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:15:44,636 INFO L87 Difference]: Start difference. First operand has 74 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 50 states have internal predecessors, (71), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-06 22:15:44,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:44,666 INFO L93 Difference]: Finished difference Result 141 states and 246 transitions. [2023-11-06 22:15:44,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:15:44,668 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 138 [2023-11-06 22:15:44,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:44,677 INFO L225 Difference]: With dead ends: 141 [2023-11-06 22:15:44,677 INFO L226 Difference]: Without dead ends: 70 [2023-11-06 22:15:44,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:15:44,691 INFO L413 NwaCegarLoop]: 108 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, 108 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 [2023-11-06 22:15:44,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:44,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-06 22:15:44,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-06 22:15:44,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 46 states have (on average 1.391304347826087) internal successors, (64), 46 states have internal predecessors, (64), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:15:44,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 108 transitions. [2023-11-06 22:15:44,765 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 108 transitions. Word has length 138 [2023-11-06 22:15:44,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:44,766 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 108 transitions. [2023-11-06 22:15:44,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-06 22:15:44,767 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2023-11-06 22:15:44,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-06 22:15:44,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:44,771 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:44,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 22:15:44,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:15:44,977 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:44,978 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:44,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1298967545, now seen corresponding path program 1 times [2023-11-06 22:15:44,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:44,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662330937] [2023-11-06 22:15:44,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:44,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:45,065 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:45,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [532542880] [2023-11-06 22:15:45,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:45,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:45,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:45,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:45,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:15:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:45,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:15:45,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:45,615 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-06 22:15:45,615 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:45,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:45,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662330937] [2023-11-06 22:15:45,618 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:45,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532542880] [2023-11-06 22:15:45,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532542880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:45,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:45,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:15:45,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468979591] [2023-11-06 22:15:45,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:45,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:15:45,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:45,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:15:45,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:15:45,626 INFO L87 Difference]: Start difference. First operand 70 states and 108 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:15:45,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:45,712 INFO L93 Difference]: Finished difference Result 204 states and 318 transitions. [2023-11-06 22:15:45,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:15:45,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2023-11-06 22:15:45,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:45,722 INFO L225 Difference]: With dead ends: 204 [2023-11-06 22:15:45,724 INFO L226 Difference]: Without dead ends: 137 [2023-11-06 22:15:45,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:15:45,729 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 39 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:45,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 200 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:45,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-06 22:15:45,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2023-11-06 22:15:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 88 states have (on average 1.3977272727272727) internal successors, (123), 88 states have internal predecessors, (123), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-06 22:15:45,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 211 transitions. [2023-11-06 22:15:45,789 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 211 transitions. Word has length 138 [2023-11-06 22:15:45,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:45,791 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 211 transitions. [2023-11-06 22:15:45,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:15:45,791 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 211 transitions. [2023-11-06 22:15:45,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-06 22:15:45,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:45,802 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:45,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:46,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:46,009 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:46,009 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:46,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1979025915, now seen corresponding path program 1 times [2023-11-06 22:15:46,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:46,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512809146] [2023-11-06 22:15:46,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:46,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:46,072 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:46,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1881841217] [2023-11-06 22:15:46,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:46,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:46,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:46,074 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:46,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:15:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:46,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:15:46,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:46,479 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-06 22:15:46,484 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:46,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:46,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512809146] [2023-11-06 22:15:46,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:15:46,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881841217] [2023-11-06 22:15:46,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881841217] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:46,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:46,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:15:46,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669788465] [2023-11-06 22:15:46,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:46,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:15:46,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:46,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:15:46,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:15:46,490 INFO L87 Difference]: Start difference. First operand 135 states and 211 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:15:46,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:46,665 INFO L93 Difference]: Finished difference Result 356 states and 558 transitions. [2023-11-06 22:15:46,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:15:46,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2023-11-06 22:15:46,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:46,670 INFO L225 Difference]: With dead ends: 356 [2023-11-06 22:15:46,670 INFO L226 Difference]: Without dead ends: 224 [2023-11-06 22:15:46,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:15:46,673 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 78 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:46,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 296 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:15:46,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-11-06 22:15:46,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 186. [2023-11-06 22:15:46,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 116 states have (on average 1.353448275862069) internal successors, (157), 116 states have internal predecessors, (157), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-06 22:15:46,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 289 transitions. [2023-11-06 22:15:46,712 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 289 transitions. Word has length 138 [2023-11-06 22:15:46,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:46,714 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 289 transitions. [2023-11-06 22:15:46,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:15:46,714 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 289 transitions. [2023-11-06 22:15:46,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-06 22:15:46,717 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:46,717 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:46,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:46,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:46,924 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:46,924 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:46,924 INFO L85 PathProgramCache]: Analyzing trace with hash 193354939, now seen corresponding path program 1 times [2023-11-06 22:15:46,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:46,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475692074] [2023-11-06 22:15:46,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:46,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:47,014 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:15:47,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [845284593] [2023-11-06 22:15:47,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:47,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:47,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:47,025 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:47,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:15:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:15:47,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:15:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:15:47,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:15:47,449 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:15:47,450 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:15:47,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:47,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:47,662 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:15:47,666 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:15:47,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:15:47 BoogieIcfgContainer [2023-11-06 22:15:47,784 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:15:47,785 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:15:47,785 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:15:47,785 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:15:47,785 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:15:43" (3/4) ... [2023-11-06 22:15:47,788 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:15:47,789 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:15:47,790 INFO L158 Benchmark]: Toolchain (without parser) took 5221.80ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 82.0MB in the beginning and 103.5MB in the end (delta: -21.4MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2023-11-06 22:15:47,790 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:15:47,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.25ms. Allocated memory is still 127.9MB. Free memory was 81.6MB in the beginning and 67.8MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:15:47,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.59ms. Allocated memory is still 127.9MB. Free memory was 67.8MB in the beginning and 64.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:15:47,792 INFO L158 Benchmark]: Boogie Preprocessor took 80.20ms. Allocated memory is still 127.9MB. Free memory was 64.4MB in the beginning and 62.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:15:47,792 INFO L158 Benchmark]: RCFGBuilder took 714.37ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 62.3MB in the beginning and 125.1MB in the end (delta: -62.8MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-11-06 22:15:47,793 INFO L158 Benchmark]: TraceAbstraction took 3943.59ms. Allocated memory is still 174.1MB. Free memory was 125.1MB in the beginning and 103.5MB in the end (delta: 21.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-11-06 22:15:47,793 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 174.1MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:15:47,796 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.25ms. Allocated memory is still 127.9MB. Free memory was 81.6MB in the beginning and 67.8MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.59ms. Allocated memory is still 127.9MB. Free memory was 67.8MB in the beginning and 64.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.20ms. Allocated memory is still 127.9MB. Free memory was 64.4MB in the beginning and 62.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 714.37ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 62.3MB in the beginning and 125.1MB in the end (delta: -62.8MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3943.59ms. Allocated memory is still 174.1MB. Free memory was 125.1MB in the beginning and 103.5MB in the end (delta: 21.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 174.1MB. Free memory is still 103.5MB. 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 135, overapproximation of someBinaryArithmeticDOUBLEoperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 135, overapproximation of someUnaryFLOAToperation at line 81. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 9.75; [L23] unsigned char var_1_3 = 1; [L24] signed long int var_1_4 = 25; [L25] unsigned char var_1_6 = 1; [L26] float var_1_7 = 7.5; [L27] signed long int var_1_8 = -1000; [L28] float var_1_9 = 9.25; [L29] float var_1_10 = 64.5; [L30] float var_1_11 = 16.25; [L31] signed char var_1_12 = 2; [L32] signed char var_1_13 = 8; [L33] signed char var_1_14 = 0; [L34] float var_1_15 = 0.6; [L35] signed char var_1_16 = 32; [L36] unsigned short int var_1_17 = 2; [L37] unsigned short int var_1_19 = 63241; [L38] unsigned short int var_1_20 = 58697; [L39] unsigned short int var_1_21 = 25516; [L40] unsigned long int var_1_22 = 3301682525; [L41] double last_1_var_1_1 = 9.75; [L42] unsigned char last_1_var_1_3 = 1; [L43] float last_1_var_1_7 = 7.5; [L44] signed char last_1_var_1_12 = 2; [L45] float last_1_var_1_15 = 0.6; [L46] unsigned short int last_1_var_1_17 = 2; VAL [isInitial=0, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=25, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] CALL updateLastVariables() [L127] last_1_var_1_1 = var_1_1 [L128] last_1_var_1_3 = var_1_3 [L129] last_1_var_1_7 = var_1_7 [L130] last_1_var_1_12 = var_1_12 [L131] last_1_var_1_15 = var_1_15 [L132] last_1_var_1_17 = var_1_17 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=25, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L142] RET updateLastVariables() [L143] CALL updateVariables() [L91] var_1_4 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L92] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L93] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L93] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L94] var_1_6 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L95] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L96] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L96] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L97] var_1_8 = __VERIFIER_nondet_long() [L98] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=37/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=37/4] [L98] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=37/4] [L99] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=37/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=37/4] [L99] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=37/4] [L100] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=37/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=37/4] [L100] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=37/4] [L101] var_1_9 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L102] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L103] var_1_10 = __VERIFIER_nondet_float() [L104] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L104] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L105] var_1_11 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L106] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L107] var_1_13 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L108] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L109] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L109] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L110] var_1_14 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L111] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L112] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L112] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L113] var_1_19 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_19 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L114] RET assume_abort_if_not(var_1_19 >= 32767) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L115] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L115] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L116] var_1_20 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_20 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L117] RET assume_abort_if_not(var_1_20 >= 32767) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L118] CALL assume_abort_if_not(var_1_20 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L118] RET assume_abort_if_not(var_1_20 <= 65534) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=25516, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L119] var_1_21 = __VERIFIER_nondet_ushort() [L120] CALL assume_abort_if_not(var_1_21 >= 24575) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L120] RET assume_abort_if_not(var_1_21 >= 24575) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L121] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L121] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=3301682525, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L122] var_1_22 = __VERIFIER_nondet_ulong() [L123] CALL assume_abort_if_not(var_1_22 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L123] RET assume_abort_if_not(var_1_22 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L124] CALL assume_abort_if_not(var_1_22 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L124] RET assume_abort_if_not(var_1_22 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L143] RET updateVariables() [L144] CALL step() [L50] COND FALSE !(last_1_var_1_7 > (var_1_11 + last_1_var_1_15)) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L59] COND TRUE \read(last_1_var_1_3) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L60] COND TRUE \read(var_1_6) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L61] COND TRUE \read(last_1_var_1_3) [L62] var_1_17 = var_1_14 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L76] COND TRUE 50 != var_1_16 [L77] var_1_1 = (1.00000000000025E12 - 24.25) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=126, var_1_14=2, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_20=32767, var_1_21=32767, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L79] var_1_3 = (((5 - last_1_var_1_17) <= (last_1_var_1_17 + last_1_var_1_17)) || var_1_6) [L80] var_1_12 = (var_1_13 - var_1_14) [L81] var_1_15 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=124, var_1_13=126, var_1_14=2, var_1_15=5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_20=32767, var_1_21=32767, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L82] COND FALSE !(((var_1_16 + 100) / var_1_8) >= var_1_17) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=124, var_1_13=126, var_1_14=2, var_1_15=5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_20=32767, var_1_21=32767, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L144] RET step() [L145] CALL, EXPR property() [L135] EXPR ((((((50 != var_1_16) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - last_1_var_1_17) <= (last_1_var_1_17 + last_1_var_1_17)) || var_1_6)))) && ((((var_1_16 + 100) / var_1_8) >= var_1_17) ? ((var_1_3 || (var_1_17 > (var_1_17 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((last_1_var_1_7 > (var_1_11 + last_1_var_1_15)) ? ((var_1_14 < (((((var_1_13) > (last_1_var_1_17)) ? (var_1_13) : (last_1_var_1_17))) | last_1_var_1_12)) ? (last_1_var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1) VAL [((((((50 != var_1_16) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - last_1_var_1_17) <= (last_1_var_1_17 + last_1_var_1_17)) || var_1_6)))) && ((((var_1_16 + 100) / var_1_8) >= var_1_17) ? ((var_1_3 || (var_1_17 > (var_1_17 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((last_1_var_1_7 > (var_1_11 + last_1_var_1_15)) ? ((var_1_14 < (((((var_1_13) > (last_1_var_1_17)) ? (var_1_13) : (last_1_var_1_17))) | last_1_var_1_12)) ? (last_1_var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1)=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=124, var_1_13=126, var_1_14=2, var_1_15=5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_20=32767, var_1_21=32767, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L135-L136] return (((((((50 != var_1_16) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - last_1_var_1_17) <= (last_1_var_1_17 + last_1_var_1_17)) || var_1_6)))) && ((((var_1_16 + 100) / var_1_8) >= var_1_17) ? ((var_1_3 || (var_1_17 > (var_1_17 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((last_1_var_1_7 > (var_1_11 + last_1_var_1_15)) ? ((var_1_14 < (((((var_1_13) > (last_1_var_1_17)) ? (var_1_13) : (last_1_var_1_17))) | last_1_var_1_12)) ? (last_1_var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1)) && (last_1_var_1_3 ? (var_1_6 ? (last_1_var_1_3 ? (var_1_17 == ((unsigned short int) var_1_14)) : (var_1_17 == ((unsigned short int) (((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))) - ((var_1_21 - 256) - 256))))) : (((var_1_22 - var_1_20) > (var_1_4 / var_1_8)) ? ((last_1_var_1_1 >= var_1_10) ? (var_1_17 == ((unsigned short int) var_1_14)) : 1) : 1)) : (var_1_17 == ((unsigned short int) var_1_21))) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=124, var_1_13=126, var_1_14=2, var_1_15=5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_20=32767, var_1_21=32767, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=3, var_1_11=4, var_1_12=124, var_1_13=126, var_1_14=2, var_1_15=5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_20=32767, var_1_21=32767, var_1_22=4294967295, var_1_3=1, var_1_4=1, var_1_6=1, var_1_7=15/2, var_1_8=131, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 4, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 604 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 291 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 313 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 412 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=3, InterpolantAutomatonStates: 9, 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, 40 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 692 NumberOfCodeBlocks, 692 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 411 ConstructedInterpolants, 0 QuantifiedInterpolants, 925 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1037 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2772/2772 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 [2023-11-06 22:15:47,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 1daf5c2ec9e8248f2d505f15aeca4a0ed45aeaac64401b628ebd467ce31a35cb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:15:50,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:15:50,589 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:15:50,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:15:50,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:15:50,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:15:50,648 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:15:50,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:15:50,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:15:50,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:15:50,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:15:50,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:15:50,656 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:15:50,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:15:50,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:15:50,659 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:15:50,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:15:50,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:15:50,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:15:50,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:15:50,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:15:50,662 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:15:50,662 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:15:50,662 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:15:50,663 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:15:50,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:15:50,663 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:15:50,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:15:50,664 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:15:50,665 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:15:50,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:15:50,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:15:50,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:15:50,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:15:50,669 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:15:50,669 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:15:50,669 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:15:50,670 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:15:50,670 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:15:50,671 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:15:50,671 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:15:50,671 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:15:50,672 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_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1daf5c2ec9e8248f2d505f15aeca4a0ed45aeaac64401b628ebd467ce31a35cb [2023-11-06 22:15:51,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:15:51,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:15:51,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:15:51,132 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:15:51,133 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:15:51,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-67.i [2023-11-06 22:15:54,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:15:54,532 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:15:54,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-67.i [2023-11-06 22:15:54,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/data/0c5c1db48/e768e7acc62a407d91ee4029a2b28110/FLAG0ce220eae [2023-11-06 22:15:54,557 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/data/0c5c1db48/e768e7acc62a407d91ee4029a2b28110 [2023-11-06 22:15:54,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:15:54,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:15:54,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:15:54,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:15:54,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:15:54,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:15:54" (1/1) ... [2023-11-06 22:15:54,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9135c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:54, skipping insertion in model container [2023-11-06 22:15:54,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:15:54" (1/1) ... [2023-11-06 22:15:54,601 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:15:54,751 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_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-67.i[919,932] [2023-11-06 22:15:54,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:15:54,867 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:15:54,887 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_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-67.i[919,932] [2023-11-06 22:15:54,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:15:54,979 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:15:54,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:54 WrapperNode [2023-11-06 22:15:54,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:15:54,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:15:54,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:15:54,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:15:54,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:54" (1/1) ... [2023-11-06 22:15:55,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:54" (1/1) ... [2023-11-06 22:15:55,065 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 146 [2023-11-06 22:15:55,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:15:55,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:15:55,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:15:55,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:15:55,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:54" (1/1) ... [2023-11-06 22:15:55,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:54" (1/1) ... [2023-11-06 22:15:55,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:54" (1/1) ... [2023-11-06 22:15:55,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:54" (1/1) ... [2023-11-06 22:15:55,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:54" (1/1) ... [2023-11-06 22:15:55,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:54" (1/1) ... [2023-11-06 22:15:55,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:54" (1/1) ... [2023-11-06 22:15:55,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:54" (1/1) ... [2023-11-06 22:15:55,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:15:55,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:15:55,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:15:55,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:15:55,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:54" (1/1) ... [2023-11-06 22:15:55,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:15:55,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:55,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:15:55,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:15:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:15:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:15:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:15:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:15:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:15:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:15:55,396 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:15:55,399 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:15:57,488 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:15:57,498 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:15:57,499 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:15:57,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:15:57 BoogieIcfgContainer [2023-11-06 22:15:57,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:15:57,503 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:15:57,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:15:57,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:15:57,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:15:54" (1/3) ... [2023-11-06 22:15:57,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f35678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:15:57, skipping insertion in model container [2023-11-06 22:15:57,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:54" (2/3) ... [2023-11-06 22:15:57,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f35678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:15:57, skipping insertion in model container [2023-11-06 22:15:57,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:15:57" (3/3) ... [2023-11-06 22:15:57,518 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-67.i [2023-11-06 22:15:57,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:15:57,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:15:57,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:15:57,589 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=LoopsAndPotentialCycles, 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;@b2e0eb3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:15:57,590 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:15:57,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:15:57,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-06 22:15:57,626 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:57,627 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:57,630 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:57,637 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:57,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1433164646, now seen corresponding path program 1 times [2023-11-06 22:15:57,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:15:57,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1706418741] [2023-11-06 22:15:57,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:57,659 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 [2023-11-06 22:15:57,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:15:57,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:15:57,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:15:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:58,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:15:58,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:58,283 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-06 22:15:58,283 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:58,284 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:15:58,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1706418741] [2023-11-06 22:15:58,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1706418741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:58,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:58,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:15:58,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525879688] [2023-11-06 22:15:58,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:58,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:15:58,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:15:58,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:15:58,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:15:58,337 INFO L87 Difference]: Start difference. First operand has 65 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-06 22:15:58,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:58,385 INFO L93 Difference]: Finished difference Result 123 states and 216 transitions. [2023-11-06 22:15:58,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:15:58,387 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 136 [2023-11-06 22:15:58,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:58,398 INFO L225 Difference]: With dead ends: 123 [2023-11-06 22:15:58,398 INFO L226 Difference]: Without dead ends: 61 [2023-11-06 22:15:58,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:15:58,407 INFO L413 NwaCegarLoop]: 93 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, 93 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 [2023-11-06 22:15:58,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:58,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-06 22:15:58,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-06 22:15:58,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:15:58,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 93 transitions. [2023-11-06 22:15:58,464 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 93 transitions. Word has length 136 [2023-11-06 22:15:58,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:58,465 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 93 transitions. [2023-11-06 22:15:58,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-06 22:15:58,466 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2023-11-06 22:15:58,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-06 22:15:58,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:58,470 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:58,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:15:58,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:15:58,671 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:58,672 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:58,672 INFO L85 PathProgramCache]: Analyzing trace with hash 718629678, now seen corresponding path program 1 times [2023-11-06 22:15:58,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:15:58,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126397403] [2023-11-06 22:15:58,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:58,675 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 [2023-11-06 22:15:58,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:15:58,677 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:15:58,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:15:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:59,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:15:59,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:59,700 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-06 22:15:59,700 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:59,701 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:15:59,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126397403] [2023-11-06 22:15:59,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [126397403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:59,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:59,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:15:59,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346639643] [2023-11-06 22:15:59,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:59,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:15:59,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:15:59,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:15:59,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:15:59,705 INFO L87 Difference]: Start difference. First operand 61 states and 93 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:16:01,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:01,580 INFO L93 Difference]: Finished difference Result 178 states and 274 transitions. [2023-11-06 22:16:01,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:16:01,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 136 [2023-11-06 22:16:01,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:01,601 INFO L225 Difference]: With dead ends: 178 [2023-11-06 22:16:01,601 INFO L226 Difference]: Without dead ends: 120 [2023-11-06 22:16:01,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:16:01,604 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 59 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:01,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 255 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-06 22:16:01,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-06 22:16:01,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 107. [2023-11-06 22:16:01,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 60 states have (on average 1.25) internal successors, (75), 60 states have internal predecessors, (75), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-06 22:16:01,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 163 transitions. [2023-11-06 22:16:01,638 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 163 transitions. Word has length 136 [2023-11-06 22:16:01,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:01,640 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 163 transitions. [2023-11-06 22:16:01,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-06 22:16:01,640 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 163 transitions. [2023-11-06 22:16:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-06 22:16:01,643 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:01,643 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:01,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:16:01,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:16:01,856 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:16:01,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:01,857 INFO L85 PathProgramCache]: Analyzing trace with hash -594055236, now seen corresponding path program 1 times [2023-11-06 22:16:01,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:16:01,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971151369] [2023-11-06 22:16:01,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:01,859 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 [2023-11-06 22:16:01,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:16:01,860 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:16:01,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:16:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:02,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:16:02,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:16:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 177 proven. 57 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2023-11-06 22:16:02,608 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:16:02,961 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-06 22:16:02,961 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:16:02,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971151369] [2023-11-06 22:16:02,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971151369] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:16:02,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:16:02,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-06 22:16:02,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180730740] [2023-11-06 22:16:02,962 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:16:02,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:16:02,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:16:02,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:16:02,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:16:02,965 INFO L87 Difference]: Start difference. First operand 107 states and 163 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-11-06 22:16:04,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:04,058 INFO L93 Difference]: Finished difference Result 175 states and 259 transitions. [2023-11-06 22:16:04,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:16:04,080 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 138 [2023-11-06 22:16:04,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:04,083 INFO L225 Difference]: With dead ends: 175 [2023-11-06 22:16:04,083 INFO L226 Difference]: Without dead ends: 117 [2023-11-06 22:16:04,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 268 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:16:04,086 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 59 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:04,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 137 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:16:04,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-06 22:16:04,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 113. [2023-11-06 22:16:04,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 64 states have (on average 1.171875) internal successors, (75), 64 states have internal predecessors, (75), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-06 22:16:04,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 163 transitions. [2023-11-06 22:16:04,129 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 163 transitions. Word has length 138 [2023-11-06 22:16:04,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:04,130 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 163 transitions. [2023-11-06 22:16:04,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-11-06 22:16:04,131 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 163 transitions. [2023-11-06 22:16:04,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-06 22:16:04,142 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:04,142 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:04,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:16:04,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:16:04,357 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:16:04,357 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:04,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1134483004, now seen corresponding path program 1 times [2023-11-06 22:16:04,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:16:04,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513571622] [2023-11-06 22:16:04,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:04,359 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 [2023-11-06 22:16:04,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:16:04,360 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:16:04,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2afc4e-6d8c-46ec-8d88-89a4a2d86cfe/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:16:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:04,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:16:04,685 INFO L285 TraceCheckSpWp]: Computing forward predicates...