./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:58:08,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:58:08,748 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:58:08,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:58:08,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:58:08,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:58:08,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:58:08,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:58:08,784 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:58:08,785 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:58:08,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:58:08,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:58:08,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:58:08,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:58:08,788 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:58:08,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:58:08,790 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:58:08,790 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:58:08,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:58:08,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:58:08,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:58:08,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:58:08,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:58:08,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:58:08,799 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:58:08,800 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:58:08,800 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:58:08,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:58:08,801 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:58:08,802 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:58:08,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:58:08,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:58:08,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:58:08,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:58:08,805 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:58:08,805 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:58:08,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:58:08,806 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:58:08,806 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:58:08,806 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:58:08,807 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:58:08,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:58:08,807 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_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee [2023-11-26 11:58:09,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:58:09,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:58:09,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:58:09,173 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:58:09,174 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:58:09,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i [2023-11-26 11:58:12,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:58:12,606 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:58:12,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i [2023-11-26 11:58:12,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/data/04c1ffa7c/886f79656e4246f18c1a0890b66c99bb/FLAGb7b7883c7 [2023-11-26 11:58:12,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/data/04c1ffa7c/886f79656e4246f18c1a0890b66c99bb [2023-11-26 11:58:12,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:58:12,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:58:12,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:12,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:58:12,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:58:12,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:12,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c25371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12, skipping insertion in model container [2023-11-26 11:58:12,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:12,690 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:58:12,873 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_af3ce72c-56da-4aae-ba72-0b44a5eefebe/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2023-11-26 11:58:12,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:12,925 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:58:12,937 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_af3ce72c-56da-4aae-ba72-0b44a5eefebe/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2023-11-26 11:58:12,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:12,983 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:58:12,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12 WrapperNode [2023-11-26 11:58:12,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:12,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:12,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:58:12,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:58:12,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,036 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2023-11-26 11:58:13,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:13,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:58:13,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:58:13,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:58:13,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,050 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,064 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:58:13,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:58:13,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:58:13,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:58:13,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:58:13,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:58:13,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:13,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:13,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:58:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:58:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:58:13,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:58:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:58:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:58:13,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:58:13,254 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:58:13,256 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:58:13,537 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:58:13,585 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:58:13,585 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:58:13,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:13 BoogieIcfgContainer [2023-11-26 11:58:13,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:58:13,589 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:58:13,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:58:13,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:58:13,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:58:12" (1/3) ... [2023-11-26 11:58:13,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42df64fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:13, skipping insertion in model container [2023-11-26 11:58:13,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (2/3) ... [2023-11-26 11:58:13,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42df64fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:13, skipping insertion in model container [2023-11-26 11:58:13,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:13" (3/3) ... [2023-11-26 11:58:13,596 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-60.i [2023-11-26 11:58:13,639 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:58:13,639 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:58:13,695 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:58:13,702 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@79fe0a95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:58:13,702 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:58:13,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 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) [2023-11-26 11:58:13,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-26 11:58:13,723 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:58:13,724 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] [2023-11-26 11:58:13,725 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:58:13,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:13,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1664830328, now seen corresponding path program 1 times [2023-11-26 11:58:13,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:13,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395230111] [2023-11-26 11:58:13,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:13,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 11:58:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:58:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:58:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 11:58:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 11:58:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 11:58:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 11:58:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 11:58:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 11:58:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 11:58:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 11:58:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-26 11:58:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-26 11:58:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-26 11:58:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-26 11:58:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-26 11:58:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-26 11:58:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-26 11:58:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-26 11:58:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-26 11:58:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-26 11:58:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-26 11:58:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,266 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-26 11:58:14,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:14,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395230111] [2023-11-26 11:58:14,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395230111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:14,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:14,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:14,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223767407] [2023-11-26 11:58:14,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:14,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:58:14,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:14,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:58:14,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:58:14,327 INFO L87 Difference]: Start difference. First operand has 55 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 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 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-26 11:58:14,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:58:14,381 INFO L93 Difference]: Finished difference Result 107 states and 192 transitions. [2023-11-26 11:58:14,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:58:14,400 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (22), 1 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 131 [2023-11-26 11:58:14,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:58:14,409 INFO L225 Difference]: With dead ends: 107 [2023-11-26 11:58:14,409 INFO L226 Difference]: Without dead ends: 53 [2023-11-26 11:58:14,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:58:14,422 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:58:14,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:58:14,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-26 11:58:14,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-26 11:58:14,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 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) [2023-11-26 11:58:14,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 81 transitions. [2023-11-26 11:58:14,483 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 81 transitions. Word has length 131 [2023-11-26 11:58:14,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:58:14,483 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 81 transitions. [2023-11-26 11:58:14,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-26 11:58:14,484 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2023-11-26 11:58:14,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-26 11:58:14,495 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:58:14,496 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] [2023-11-26 11:58:14,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:58:14,496 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:58:14,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:14,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1120922168, now seen corresponding path program 1 times [2023-11-26 11:58:14,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:14,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317806542] [2023-11-26 11:58:14,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:14,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:14,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:14,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:14,807 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:58:14,809 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:58:14,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:58:14,816 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 11:58:14,822 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:58:14,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:58:14 BoogieIcfgContainer [2023-11-26 11:58:15,000 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:58:15,001 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:58:15,001 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:58:15,001 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:58:15,002 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:13" (3/4) ... [2023-11-26 11:58:15,005 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:58:15,007 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:58:15,009 INFO L158 Benchmark]: Toolchain (without parser) took 2371.54ms. Allocated memory is still 157.3MB. Free memory was 115.3MB in the beginning and 120.4MB in the end (delta: -5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:58:15,009 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:58:15,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.40ms. Allocated memory is still 157.3MB. Free memory was 114.9MB in the beginning and 102.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:58:15,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.56ms. Allocated memory is still 157.3MB. Free memory was 102.7MB in the beginning and 100.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:58:15,011 INFO L158 Benchmark]: Boogie Preprocessor took 45.98ms. Allocated memory is still 157.3MB. Free memory was 100.6MB in the beginning and 98.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:58:15,012 INFO L158 Benchmark]: RCFGBuilder took 501.94ms. Allocated memory is still 157.3MB. Free memory was 98.2MB in the beginning and 80.9MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 11:58:15,012 INFO L158 Benchmark]: TraceAbstraction took 1411.59ms. Allocated memory is still 157.3MB. Free memory was 80.1MB in the beginning and 120.4MB in the end (delta: -40.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-26 11:58:15,012 INFO L158 Benchmark]: Witness Printer took 6.17ms. Allocated memory is still 157.3MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:58:15,016 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.40ms. Allocated memory is still 157.3MB. Free memory was 114.9MB in the beginning and 102.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.56ms. Allocated memory is still 157.3MB. Free memory was 102.7MB in the beginning and 100.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.98ms. Allocated memory is still 157.3MB. Free memory was 100.6MB in the beginning and 98.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.94ms. Allocated memory is still 157.3MB. Free memory was 98.2MB in the beginning and 80.9MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1411.59ms. Allocated memory is still 157.3MB. Free memory was 80.1MB in the beginning and 120.4MB in the end (delta: -40.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Witness Printer took 6.17ms. Allocated memory is still 157.3MB. Free memory is still 120.4MB. 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 to_int at line 106. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 9999; [L23] signed long int var_1_2 = 64; [L24] signed long int var_1_3 = 31; [L25] signed long int var_1_4 = 1; [L26] unsigned char var_1_5 = 2; [L27] signed long int var_1_6 = 10; [L28] signed long int var_1_7 = 5; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 1; [L31] signed long int var_1_10 = 64; [L32] signed long int var_1_11 = 32; [L33] signed long int var_1_12 = 10; [L34] signed long int var_1_13 = 4; [L35] signed long int var_1_14 = 999; [L36] signed long int var_1_15 = 2; [L37] signed long int var_1_16 = 8; [L38] signed long int last_1_var_1_16 = 8; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L103] last_1_var_1_16 = var_1_16 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_long() [L69] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L69] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L70] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L70] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L71] var_1_3 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L72] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L73] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L73] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L74] var_1_5 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L76] CALL assume_abort_if_not(var_1_5 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L76] RET assume_abort_if_not(var_1_5 <= 255) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L77] var_1_6 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L78] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L79] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L79] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L80] var_1_8 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_9=1] [L81] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_9=1] [L82] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L82] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L83] var_1_9 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1] [L84] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1] [L85] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L85] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L86] var_1_10 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L87] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L88] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L89] var_1_11 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L90] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L91] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L92] var_1_12 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_12 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L93] RET assume_abort_if_not(var_1_12 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L94] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L95] var_1_13 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L96] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L97] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L97] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L98] var_1_14 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L99] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L100] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L114] RET updateVariables() [L115] CALL step() [L42] var_1_1 = (var_1_2 - var_1_3) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=-9, var_1_2=0, var_1_3=9, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L43] COND FALSE !((- var_1_5) >= var_1_6) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=-9, var_1_2=0, var_1_3=9, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L52] unsigned char stepLocal_0 = var_1_9; VAL [isInitial=1, last_1_var_1_16=8, stepLocal_0=1, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=-9, var_1_2=0, var_1_3=9, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L53] COND TRUE var_1_8 && stepLocal_0 [L54] var_1_7 = ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))) VAL [isInitial=1, last_1_var_1_16=8, stepLocal_0=1, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=-9, var_1_2=0, var_1_3=9, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=1] [L56] var_1_15 = 500.25 VAL [isInitial=1, last_1_var_1_16=8, stepLocal_0=1, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_16=8, var_1_1=-9, var_1_2=0, var_1_3=9, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=1] [L57] COND FALSE !(var_1_2 > last_1_var_1_16) [L64] var_1_16 = var_1_12 VAL [isInitial=1, last_1_var_1_16=8, stepLocal_0=1, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_16=0, var_1_1=-9, var_1_2=0, var_1_3=9, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=1] [L115] RET step() [L116] CALL, EXPR property() [L106-L107] return ((((var_1_1 == ((signed long int) (var_1_2 - var_1_3))) && (((- var_1_5) >= var_1_6) ? ((var_1_6 > var_1_5) ? ((var_1_3 == var_1_1) ? (var_1_4 == ((signed long int) (256 - (var_1_5 + 5)))) : (var_1_4 == ((signed long int) var_1_5))) : 1) : 1)) && ((var_1_8 && var_1_9) ? (var_1_7 == ((signed long int) ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))))) : 1)) && (var_1_15 == ((signed long int) 500.25))) && ((var_1_2 > last_1_var_1_16) ? (var_1_9 ? ((var_1_3 <= ((((last_1_var_1_16) < (var_1_11)) ? (last_1_var_1_16) : (var_1_11)))) ? (var_1_16 == ((signed long int) (var_1_14 + var_1_11))) : 1) : 1) : (var_1_16 == ((signed long int) var_1_12))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=10000, var_1_16=0, var_1_1=-9, var_1_2=0, var_1_3=9, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=8, var_1_10=8, var_1_11=8, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=10000, var_1_16=0, var_1_1=-9, var_1_2=0, var_1_3=9, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 78 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 130 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 924/924 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 [2023-11-26 11:58:15,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:58:17,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:58:17,984 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:58:17,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:58:17,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:58:18,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:58:18,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:58:18,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:58:18,045 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:58:18,049 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:58:18,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:58:18,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:58:18,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:58:18,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:58:18,052 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:58:18,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:58:18,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:58:18,053 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:58:18,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:58:18,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:58:18,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:58:18,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:58:18,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:58:18,057 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:58:18,057 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:58:18,057 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:58:18,058 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:58:18,058 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:58:18,059 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:58:18,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:58:18,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:58:18,061 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:58:18,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:58:18,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:58:18,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:58:18,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:58:18,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:58:18,064 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:58:18,064 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:58:18,064 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:58:18,064 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:58:18,065 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:58:18,065 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:58:18,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:58:18,066 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:58:18,066 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_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee [2023-11-26 11:58:18,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:58:18,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:58:18,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:58:18,498 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:58:18,499 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:58:18,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i [2023-11-26 11:58:21,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:58:21,840 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:58:21,841 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i [2023-11-26 11:58:21,854 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/data/754a50d66/8390fdf0dac94a4a9f199ab2f47ba4bc/FLAG779198b68 [2023-11-26 11:58:21,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/data/754a50d66/8390fdf0dac94a4a9f199ab2f47ba4bc [2023-11-26 11:58:21,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:58:21,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:58:21,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:21,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:58:21,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:58:21,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:21" (1/1) ... [2023-11-26 11:58:21,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c0753a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:21, skipping insertion in model container [2023-11-26 11:58:21,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:21" (1/1) ... [2023-11-26 11:58:21,932 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:58:22,076 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_af3ce72c-56da-4aae-ba72-0b44a5eefebe/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2023-11-26 11:58:22,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:22,170 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:58:22,188 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_af3ce72c-56da-4aae-ba72-0b44a5eefebe/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2023-11-26 11:58:22,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:22,254 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:58:22,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:22 WrapperNode [2023-11-26 11:58:22,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:22,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:22,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:58:22,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:58:22,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:22" (1/1) ... [2023-11-26 11:58:22,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:22" (1/1) ... [2023-11-26 11:58:22,385 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2023-11-26 11:58:22,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:22,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:58:22,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:58:22,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:58:22,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:22" (1/1) ... [2023-11-26 11:58:22,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:22" (1/1) ... [2023-11-26 11:58:22,419 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:22" (1/1) ... [2023-11-26 11:58:22,439 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:58:22,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:22" (1/1) ... [2023-11-26 11:58:22,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:22" (1/1) ... [2023-11-26 11:58:22,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:22" (1/1) ... [2023-11-26 11:58:22,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:22" (1/1) ... [2023-11-26 11:58:22,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:22" (1/1) ... [2023-11-26 11:58:22,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:22" (1/1) ... [2023-11-26 11:58:22,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:58:22,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:58:22,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:58:22,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:58:22,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:22" (1/1) ... [2023-11-26 11:58:22,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:58:22,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:22,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:22,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:58:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:58:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:58:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:58:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:58:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:58:22,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:58:22,694 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:58:22,697 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:58:23,034 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:58:23,088 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:58:23,088 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:58:23,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:23 BoogieIcfgContainer [2023-11-26 11:58:23,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:58:23,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:58:23,092 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:58:23,095 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:58:23,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:58:21" (1/3) ... [2023-11-26 11:58:23,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7541851b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:23, skipping insertion in model container [2023-11-26 11:58:23,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:22" (2/3) ... [2023-11-26 11:58:23,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7541851b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:23, skipping insertion in model container [2023-11-26 11:58:23,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:23" (3/3) ... [2023-11-26 11:58:23,099 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-60.i [2023-11-26 11:58:23,118 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:58:23,119 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:58:23,162 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:58:23,170 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@fab8eef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:58:23,170 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:58:23,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 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) [2023-11-26 11:58:23,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-26 11:58:23,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:58:23,196 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] [2023-11-26 11:58:23,196 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:58:23,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:23,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1664830328, now seen corresponding path program 1 times [2023-11-26 11:58:23,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:58:23,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903107793] [2023-11-26 11:58:23,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:23,220 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 [2023-11-26 11:58:23,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:58:23,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:58:23,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:58:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:23,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:58:23,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:58:23,570 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2023-11-26 11:58:23,570 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:58:23,571 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:58:23,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [903107793] [2023-11-26 11:58:23,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [903107793] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:23,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:23,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:23,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212585998] [2023-11-26 11:58:23,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:23,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:58:23,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:58:23,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:58:23,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:58:23,615 INFO L87 Difference]: Start difference. First operand has 55 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 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 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2023-11-26 11:58:23,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:58:23,678 INFO L93 Difference]: Finished difference Result 107 states and 192 transitions. [2023-11-26 11:58:23,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:58:23,681 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 131 [2023-11-26 11:58:23,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:58:23,689 INFO L225 Difference]: With dead ends: 107 [2023-11-26 11:58:23,689 INFO L226 Difference]: Without dead ends: 53 [2023-11-26 11:58:23,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:58:23,697 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:58:23,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:58:23,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-26 11:58:23,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-26 11:58:23,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 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) [2023-11-26 11:58:23,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 81 transitions. [2023-11-26 11:58:23,758 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 81 transitions. Word has length 131 [2023-11-26 11:58:23,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:58:23,758 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 81 transitions. [2023-11-26 11:58:23,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2023-11-26 11:58:23,759 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2023-11-26 11:58:23,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-26 11:58:23,763 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:58:23,763 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] [2023-11-26 11:58:23,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:58:23,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:58:23,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:58:23,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:23,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1120922168, now seen corresponding path program 1 times [2023-11-26 11:58:23,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:58:23,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058579805] [2023-11-26 11:58:23,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:23,970 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 [2023-11-26 11:58:23,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:58:23,973 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:58:24,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3ce72c-56da-4aae-ba72-0b44a5eefebe/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:58:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:24,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-26 11:58:24,198 INFO L285 TraceCheckSpWp]: Computing forward predicates...