./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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_1406f1dd-7008-4d65-af88-174481b42277/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 cc3a84fad616b331392c1cbee66ac380889aa15bfd2024f97a694900f4fe81e6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:58:51,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:58:51,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:58:51,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:58:51,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:58:51,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:58:51,457 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:58:51,457 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:58:51,458 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:58:51,459 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:58:51,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:58:51,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:58:51,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:58:51,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:58:51,463 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:58:51,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:58:51,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:58:51,465 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:58:51,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:58:51,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:58:51,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:58:51,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:58:51,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:58:51,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:58:51,470 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:58:51,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:58:51,471 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:58:51,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:58:51,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:58:51,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:58:51,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:58:51,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:58:51,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:58:51,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:58:51,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:58:51,476 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:58:51,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:58:51,477 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:58:51,477 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:58:51,477 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:58:51,478 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:58:51,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:58:51,479 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_1406f1dd-7008-4d65-af88-174481b42277/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc3a84fad616b331392c1cbee66ac380889aa15bfd2024f97a694900f4fe81e6 [2023-11-26 11:58:51,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:58:51,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:58:51,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:58:51,762 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:58:51,762 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:58:51,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i [2023-11-26 11:58:54,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:58:55,216 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:58:55,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i [2023-11-26 11:58:55,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/data/5f51a9d58/6efebae894b745be96f516b1ebf4bca2/FLAGe025e5fbc [2023-11-26 11:58:55,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/data/5f51a9d58/6efebae894b745be96f516b1ebf4bca2 [2023-11-26 11:58:55,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:58:55,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:58:55,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:55,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:58:55,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:58:55,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:55" (1/1) ... [2023-11-26 11:58:55,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d9983a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:55, skipping insertion in model container [2023-11-26 11:58:55,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:55" (1/1) ... [2023-11-26 11:58:55,311 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:58:55,453 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_1406f1dd-7008-4d65-af88-174481b42277/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i[913,926] [2023-11-26 11:58:55,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:55,528 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:58:55,540 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_1406f1dd-7008-4d65-af88-174481b42277/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i[913,926] [2023-11-26 11:58:55,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:55,596 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:58:55,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:55 WrapperNode [2023-11-26 11:58:55,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:55,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:55,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:58:55,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:58:55,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:55" (1/1) ... [2023-11-26 11:58:55,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:55" (1/1) ... [2023-11-26 11:58:55,658 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2023-11-26 11:58:55,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:55,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:58:55,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:58:55,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:58:55,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:55" (1/1) ... [2023-11-26 11:58:55,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:55" (1/1) ... [2023-11-26 11:58:55,677 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:55" (1/1) ... [2023-11-26 11:58:55,692 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 11:58:55,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:55" (1/1) ... [2023-11-26 11:58:55,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:55" (1/1) ... [2023-11-26 11:58:55,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:55" (1/1) ... [2023-11-26 11:58:55,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:55" (1/1) ... [2023-11-26 11:58:55,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:55" (1/1) ... [2023-11-26 11:58:55,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:55" (1/1) ... [2023-11-26 11:58:55,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:58:55,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:58:55,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:58:55,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:58:55,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:55" (1/1) ... [2023-11-26 11:58:55,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:58:55,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:55,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:55,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:58:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:58:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:58:55,820 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:58:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:58:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:58:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:58:55,949 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:58:55,967 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:58:56,420 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:58:56,494 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:58:56,500 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:58:56,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:56 BoogieIcfgContainer [2023-11-26 11:58:56,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:58:56,504 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:58:56,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:58:56,507 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:58:56,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:58:55" (1/3) ... [2023-11-26 11:58:56,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c374ef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:56, skipping insertion in model container [2023-11-26 11:58:56,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:55" (2/3) ... [2023-11-26 11:58:56,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c374ef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:56, skipping insertion in model container [2023-11-26 11:58:56,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:56" (3/3) ... [2023-11-26 11:58:56,516 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-60.i [2023-11-26 11:58:56,536 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:58:56,537 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:58:56,607 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:58:56,617 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;@222bd925, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:58:56,618 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:58:56,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 38 states have internal predecessors, (53), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-26 11:58:56,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-26 11:58:56,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:58:56,649 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:56,650 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:58:56,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:56,658 INFO L85 PathProgramCache]: Analyzing trace with hash -576455077, now seen corresponding path program 1 times [2023-11-26 11:58:56,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:56,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021368746] [2023-11-26 11:58:56,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:56,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:56,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:56,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021368746] [2023-11-26 11:58:56,937 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 11:58:56,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003791634] [2023-11-26 11:58:56,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:56,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:58:56,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:56,942 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:58:56,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:58:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:57,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:58:57,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:58:57,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2023-11-26 11:58:57,305 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:58:57,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003791634] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:57,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:57,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:57,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916260070] [2023-11-26 11:58:57,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:57,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:58:57,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:57,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:58:57,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:58:57,355 INFO L87 Difference]: Start difference. First operand has 66 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 38 states have internal predecessors, (53), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-26 11:58:57,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:58:57,415 INFO L93 Difference]: Finished difference Result 129 states and 234 transitions. [2023-11-26 11:58:57,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:58:57,418 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 157 [2023-11-26 11:58:57,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:58:57,426 INFO L225 Difference]: With dead ends: 129 [2023-11-26 11:58:57,427 INFO L226 Difference]: Without dead ends: 64 [2023-11-26 11:58:57,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 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 11:58:57,435 INFO L413 NwaCegarLoop]: 97 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, 97 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 11:58:57,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:58:57,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-26 11:58:57,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-26 11:58:57,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 36 states have internal predecessors, (48), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-26 11:58:57,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 100 transitions. [2023-11-26 11:58:57,510 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 100 transitions. Word has length 157 [2023-11-26 11:58:57,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:58:57,511 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 100 transitions. [2023-11-26 11:58:57,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-26 11:58:57,512 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2023-11-26 11:58:57,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-26 11:58:57,517 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:58:57,517 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:57,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 11:58:57,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 11:58:57,723 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:58:57,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:57,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1565462621, now seen corresponding path program 1 times [2023-11-26 11:58:57,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:57,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252865892] [2023-11-26 11:58:57,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:57,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:57,811 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:58:57,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [407231456] [2023-11-26 11:58:57,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:57,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:58:57,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:57,814 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:58:57,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 11:58:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:57,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:58:58,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:58:58,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-26 11:58:58,101 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:58:58,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:58,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252865892] [2023-11-26 11:58:58,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:58:58,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407231456] [2023-11-26 11:58:58,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407231456] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:58,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:58,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:58:58,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57116495] [2023-11-26 11:58:58,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:58,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:58,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:58,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:58,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:58,107 INFO L87 Difference]: Start difference. First operand 64 states and 100 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:58:58,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:58:58,160 INFO L93 Difference]: Finished difference Result 161 states and 248 transitions. [2023-11-26 11:58:58,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:58:58,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 157 [2023-11-26 11:58:58,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:58:58,165 INFO L225 Difference]: With dead ends: 161 [2023-11-26 11:58:58,165 INFO L226 Difference]: Without dead ends: 98 [2023-11-26 11:58:58,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:58,168 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 48 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:58:58,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 228 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:58:58,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-26 11:58:58,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 95. [2023-11-26 11:58:58,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 53 states have internal predecessors, (66), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-26 11:58:58,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 146 transitions. [2023-11-26 11:58:58,193 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 146 transitions. Word has length 157 [2023-11-26 11:58:58,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:58:58,194 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 146 transitions. [2023-11-26 11:58:58,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:58:58,195 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2023-11-26 11:58:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-26 11:58:58,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:58:58,199 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:58,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:58,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:58:58,406 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:58:58,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:58,407 INFO L85 PathProgramCache]: Analyzing trace with hash -60751571, now seen corresponding path program 1 times [2023-11-26 11:58:58,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:58,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580322260] [2023-11-26 11:58:58,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:58,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:58,503 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:58:58,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1815014807] [2023-11-26 11:58:58,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:58,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:58:58,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:58,507 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:58:58,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 11:58:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:58,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:58:58,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:58:58,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-26 11:58:58,728 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:58:58,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:58,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580322260] [2023-11-26 11:58:58,729 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:58:58,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815014807] [2023-11-26 11:58:58,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815014807] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:58,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:58,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:58:58,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218327060] [2023-11-26 11:58:58,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:58,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:58,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:58,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:58,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:58,736 INFO L87 Difference]: Start difference. First operand 95 states and 146 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:58:58,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:58:58,830 INFO L93 Difference]: Finished difference Result 210 states and 323 transitions. [2023-11-26 11:58:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:58:58,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 158 [2023-11-26 11:58:58,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:58:58,838 INFO L225 Difference]: With dead ends: 210 [2023-11-26 11:58:58,841 INFO L226 Difference]: Without dead ends: 116 [2023-11-26 11:58:58,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:58,849 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 19 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:58:58,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 180 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:58:58,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-26 11:58:58,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 101. [2023-11-26 11:58:58,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 59 states have internal predecessors, (77), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-26 11:58:58,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 157 transitions. [2023-11-26 11:58:58,877 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 157 transitions. Word has length 158 [2023-11-26 11:58:58,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:58:58,879 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 157 transitions. [2023-11-26 11:58:58,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:58:58,879 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 157 transitions. [2023-11-26 11:58:58,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-26 11:58:58,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:58:58,883 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:58,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:59,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:58:59,090 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:58:59,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:59,090 INFO L85 PathProgramCache]: Analyzing trace with hash -3493269, now seen corresponding path program 1 times [2023-11-26 11:58:59,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:59,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466109420] [2023-11-26 11:58:59,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:59,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:59,165 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:58:59,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1822751678] [2023-11-26 11:58:59,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:59,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:58:59,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:59,172 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:58:59,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 11:58:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:59,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:59,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:59,520 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:58:59,521 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:58:59,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:59,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:58:59,736 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 11:58:59,739 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:58:59,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:58:59 BoogieIcfgContainer [2023-11-26 11:58:59,886 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:58:59,887 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:58:59,887 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:58:59,887 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:58:59,888 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:56" (3/4) ... [2023-11-26 11:58:59,890 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:58:59,891 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:58:59,892 INFO L158 Benchmark]: Toolchain (without parser) took 4638.89ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 132.9MB in the beginning and 174.3MB in the end (delta: -41.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:58:59,893 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:58:59,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.63ms. Allocated memory is still 176.2MB. Free memory was 132.5MB in the beginning and 118.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 11:58:59,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.02ms. Allocated memory is still 176.2MB. Free memory was 118.9MB in the beginning and 116.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:58:59,894 INFO L158 Benchmark]: Boogie Preprocessor took 53.95ms. Allocated memory is still 176.2MB. Free memory was 116.1MB in the beginning and 113.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:58:59,895 INFO L158 Benchmark]: RCFGBuilder took 786.72ms. Allocated memory is still 176.2MB. Free memory was 113.2MB in the beginning and 144.6MB in the end (delta: -31.4MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2023-11-26 11:58:59,895 INFO L158 Benchmark]: TraceAbstraction took 3382.87ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 143.8MB in the beginning and 174.3MB in the end (delta: -30.6MB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. [2023-11-26 11:58:59,896 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 211.8MB. Free memory is still 174.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:58:59,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.63ms. Allocated memory is still 176.2MB. Free memory was 132.5MB in the beginning and 118.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.02ms. Allocated memory is still 176.2MB. Free memory was 118.9MB in the beginning and 116.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.95ms. Allocated memory is still 176.2MB. Free memory was 116.1MB in the beginning and 113.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 786.72ms. Allocated memory is still 176.2MB. Free memory was 113.2MB in the beginning and 144.6MB in the end (delta: -31.4MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3382.87ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 143.8MB in the beginning and 174.3MB in the end (delta: -30.6MB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 211.8MB. Free memory is still 174.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 139, overapproximation of someBinaryDOUBLEComparisonOperation at line 139, overapproximation of someBinaryArithmeticDOUBLEoperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 32; [L23] unsigned char var_1_2 = 1; [L24] float var_1_3 = 10.7; [L25] float var_1_4 = 7.8; [L26] float var_1_5 = 99.5; [L27] signed short int var_1_6 = 16; [L28] signed short int var_1_7 = 256; [L29] float var_1_8 = 256.6; [L30] unsigned char var_1_9 = 50; [L31] unsigned char var_1_10 = 5; [L32] double var_1_11 = 127.75; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 1; [L35] unsigned char var_1_14 = 0; [L36] double var_1_15 = 15.2; [L37] double var_1_16 = 256.5; [L38] double var_1_17 = 256.5; [L39] double var_1_18 = 0.0; [L40] double var_1_19 = 9.7; [L41] unsigned long int var_1_20 = 10000000; [L42] unsigned long int var_1_21 = 4008920074; [L43] unsigned long int var_1_22 = 128; [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] FCALL updateLastVariables() [L147] CALL updateVariables() [L93] var_1_2 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L94] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L95] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L95] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_3=107/10, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L96] var_1_3 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L97] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_4=39/5, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L98] var_1_4 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L99] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L100] CALL assume_abort_if_not(var_1_4 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L100] RET assume_abort_if_not(var_1_4 != 0.0F) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_5=199/2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L101] var_1_5 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L102] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L103] var_1_6 = __VERIFIER_nondet_short() [L104] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L104] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L105] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L105] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L106] var_1_7 = __VERIFIER_nondet_short() [L107] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L107] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L108] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L108] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L109] var_1_10 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L110] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L111] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L111] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L112] var_1_12 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L113] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L114] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L114] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L115] var_1_13 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L116] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L117] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L117] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L118] var_1_14 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L119] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L120] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L120] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L121] var_1_15 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L122] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L123] var_1_17 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L124] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L125] var_1_18 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L126] RET assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L127] var_1_19 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L128] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L129] var_1_21 = __VERIFIER_nondet_ulong() [L130] CALL assume_abort_if_not(var_1_21 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L130] RET assume_abort_if_not(var_1_21 >= 2147483647) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L131] CALL assume_abort_if_not(var_1_21 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L131] RET assume_abort_if_not(var_1_21 <= 4294967294) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_22=128, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L132] var_1_22 = __VERIFIER_nondet_ulong() [L133] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L133] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L134] CALL assume_abort_if_not(var_1_22 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_22=0, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_22=0, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L134] RET assume_abort_if_not(var_1_22 <= 4294967294) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_22=0, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L147] RET updateVariables() [L148] CALL step() [L47] COND FALSE !(\read(var_1_2)) [L54] var_1_1 = var_1_7 VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32766, var_1_20=10000000, var_1_21=2147483647, var_1_22=0, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L56] COND FALSE !((- var_1_5) <= var_1_4) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32766, var_1_20=10000000, var_1_21=2147483647, var_1_22=0, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=50] [L61] COND FALSE !(var_1_8 < (var_1_3 + var_1_5)) [L68] var_1_9 = var_1_10 VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32766, var_1_20=10000000, var_1_21=2147483647, var_1_22=0, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=254] [L70] COND TRUE (var_1_8 >= var_1_3) || ((var_1_2 && var_1_12) || (var_1_13 || var_1_14)) VAL [isInitial=1, var_1_10=254, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32766, var_1_20=10000000, var_1_21=2147483647, var_1_22=0, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=254] [L71] COND FALSE !(\read(var_1_2)) [L74] var_1_11 = var_1_15 VAL [isInitial=1, var_1_10=254, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2, var_1_16=513/2, var_1_1=32766, var_1_20=10000000, var_1_21=2147483647, var_1_22=0, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=254] [L79] COND TRUE ((var_1_10 * var_1_7) + var_1_9) > var_1_1 [L80] var_1_16 = (var_1_17 - (var_1_18 - var_1_19)) VAL [isInitial=1, var_1_10=254, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2, var_1_1=32766, var_1_20=10000000, var_1_21=2147483647, var_1_22=0, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=254] [L82] COND TRUE \read(var_1_13) [L83] var_1_20 = (((((var_1_7) > (128u)) ? (var_1_7) : (128u))) + var_1_9) VAL [isInitial=1, var_1_10=254, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2, var_1_1=32766, var_1_20=33020, var_1_21=2147483647, var_1_22=0, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=254] [L148] RET step() [L149] CALL, EXPR property() [L139-L140] return (((((var_1_2 ? (((var_1_3 / var_1_4) <= var_1_5) ? (var_1_1 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_1 == ((signed short int) var_1_6))) : (var_1_1 == ((signed short int) var_1_7))) && (((- var_1_5) <= var_1_4) ? (((var_1_3 <= var_1_4) || var_1_2) ? (var_1_8 == ((float) 3.3f)) : 1) : 1)) && ((var_1_8 < (var_1_3 + var_1_5)) ? ((((((var_1_7) < (var_1_1)) ? (var_1_7) : (var_1_1))) > (var_1_6 * 1)) ? (var_1_9 == ((unsigned char) var_1_10)) : (var_1_9 == ((unsigned char) var_1_10))) : (var_1_9 == ((unsigned char) var_1_10)))) && (((var_1_8 >= var_1_3) || ((var_1_2 && var_1_12) || (var_1_13 || var_1_14))) ? (var_1_2 ? (var_1_11 == ((double) var_1_15)) : (var_1_11 == ((double) var_1_15))) : (var_1_11 == ((double) var_1_15)))) && ((((var_1_10 * var_1_7) + var_1_9) > var_1_1) ? (var_1_16 == ((double) (var_1_17 - (var_1_18 - var_1_19)))) : 1)) && (var_1_13 ? (var_1_20 == ((unsigned long int) (((((var_1_7) > (128u)) ? (var_1_7) : (128u))) + var_1_9))) : ((var_1_7 >= var_1_6) ? (var_1_20 == ((unsigned long int) (var_1_21 - var_1_9))) : (var_1_20 == ((unsigned long int) var_1_22)))) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=254, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2, var_1_1=32766, var_1_20=33020, var_1_21=2147483647, var_1_22=0, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=254] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=254, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2, var_1_1=32766, var_1_20=33020, var_1_21=2147483647, var_1_22=0, var_1_2=0, var_1_6=32765, var_1_7=32766, var_1_8=1283/5, var_1_9=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 4, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 505 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 177 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 328 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 469 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=3, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 787 NumberOfCodeBlocks, 787 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 469 ConstructedInterpolants, 0 QuantifiedInterpolants, 493 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1055 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3900/3900 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 11:58:59,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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_1406f1dd-7008-4d65-af88-174481b42277/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 cc3a84fad616b331392c1cbee66ac380889aa15bfd2024f97a694900f4fe81e6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:02,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:02,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:59:02,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:02,703 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:02,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:02,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:02,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:02,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:59:02,756 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:59:02,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:59:02,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:59:02,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:02,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:02,760 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:02,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:02,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:59:02,762 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:02,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:02,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:02,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:59:02,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:59:02,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:59:02,766 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:59:02,766 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:59:02,767 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:59:02,767 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:02,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:02,768 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:02,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:02,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:02,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:59:02,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:59:02,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:02,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:02,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:59:02,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:59:02,773 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:59:02,773 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:59:02,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:59:02,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:59:02,774 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:59:02,774 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:59:02,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:59:02,775 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:59:02,775 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_1406f1dd-7008-4d65-af88-174481b42277/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc3a84fad616b331392c1cbee66ac380889aa15bfd2024f97a694900f4fe81e6 [2023-11-26 11:59:03,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:03,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:03,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:03,213 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:03,213 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:03,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i [2023-11-26 11:59:06,409 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:06,723 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:06,724 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i [2023-11-26 11:59:06,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/data/020ffadee/7f1c2cfa37cb4bf896b9807d629582cd/FLAG61a6649b6 [2023-11-26 11:59:06,764 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/data/020ffadee/7f1c2cfa37cb4bf896b9807d629582cd [2023-11-26 11:59:06,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:06,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:06,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:06,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:06,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:06,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:06" (1/1) ... [2023-11-26 11:59:06,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4894fd6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:06, skipping insertion in model container [2023-11-26 11:59:06,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:06" (1/1) ... [2023-11-26 11:59:06,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:06,986 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_1406f1dd-7008-4d65-af88-174481b42277/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i[913,926] [2023-11-26 11:59:07,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:07,072 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:07,085 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_1406f1dd-7008-4d65-af88-174481b42277/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-60.i[913,926] [2023-11-26 11:59:07,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:07,154 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:07,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:07 WrapperNode [2023-11-26 11:59:07,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:07,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:07,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:07,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:07,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:07" (1/1) ... [2023-11-26 11:59:07,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:07" (1/1) ... [2023-11-26 11:59:07,226 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2023-11-26 11:59:07,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:07,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:07,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:07,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:07,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:07" (1/1) ... [2023-11-26 11:59:07,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:07" (1/1) ... [2023-11-26 11:59:07,266 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:07" (1/1) ... [2023-11-26 11:59:07,292 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 11:59:07,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:07" (1/1) ... [2023-11-26 11:59:07,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:07" (1/1) ... [2023-11-26 11:59:07,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:07" (1/1) ... [2023-11-26 11:59:07,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:07" (1/1) ... [2023-11-26 11:59:07,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:07" (1/1) ... [2023-11-26 11:59:07,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:07" (1/1) ... [2023-11-26 11:59:07,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:07,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:07,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:07,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:07,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:07" (1/1) ... [2023-11-26 11:59:07,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:07,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:07,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:07,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:59:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:59:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:59:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:59:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:59:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:59:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:59:07,514 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:59:07,517 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:59:13,830 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:59:13,881 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:59:13,882 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:59:13,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:13 BoogieIcfgContainer [2023-11-26 11:59:13,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:59:13,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:59:13,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:59:13,888 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:59:13,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:59:06" (1/3) ... [2023-11-26 11:59:13,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42947e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:13, skipping insertion in model container [2023-11-26 11:59:13,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:07" (2/3) ... [2023-11-26 11:59:13,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42947e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:13, skipping insertion in model container [2023-11-26 11:59:13,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:13" (3/3) ... [2023-11-26 11:59:13,892 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-60.i [2023-11-26 11:59:13,921 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:59:13,921 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:59:13,966 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:59:13,974 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;@12724ea8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:59:13,974 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:59:13,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 38 states have internal predecessors, (53), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-26 11:59:14,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-26 11:59:14,000 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:14,002 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:14,004 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:14,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:14,010 INFO L85 PathProgramCache]: Analyzing trace with hash -576455077, now seen corresponding path program 1 times [2023-11-26 11:59:14,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:59:14,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [338496915] [2023-11-26 11:59:14,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:14,027 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 11:59:14,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:59:14,030 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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 11:59:14,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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 11:59:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:14,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:59:14,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:14,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 666 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2023-11-26 11:59:14,971 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:14,972 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:59:14,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [338496915] [2023-11-26 11:59:14,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [338496915] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:14,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:14,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:59:14,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273428630] [2023-11-26 11:59:14,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:14,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:59:14,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:59:15,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:59:15,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:59:15,035 INFO L87 Difference]: Start difference. First operand has 66 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 38 states have internal predecessors, (53), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-26 11:59:19,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:59:19,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:19,282 INFO L93 Difference]: Finished difference Result 129 states and 234 transitions. [2023-11-26 11:59:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:59:19,329 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 157 [2023-11-26 11:59:19,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:19,339 INFO L225 Difference]: With dead ends: 129 [2023-11-26 11:59:19,339 INFO L226 Difference]: Without dead ends: 64 [2023-11-26 11:59:19,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 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 11:59:19,347 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:19,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-11-26 11:59:19,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-26 11:59:19,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-26 11:59:19,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 36 states have internal predecessors, (48), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-26 11:59:19,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 100 transitions. [2023-11-26 11:59:19,410 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 100 transitions. Word has length 157 [2023-11-26 11:59:19,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:19,410 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 100 transitions. [2023-11-26 11:59:19,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-26 11:59:19,411 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2023-11-26 11:59:19,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-26 11:59:19,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:19,416 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:19,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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)] Ended with exit code 0 [2023-11-26 11:59:19,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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 11:59:19,620 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:19,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:19,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1565462621, now seen corresponding path program 1 times [2023-11-26 11:59:19,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:59:19,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800497801] [2023-11-26 11:59:19,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:19,627 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 11:59:19,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:59:19,629 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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 11:59:19,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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 11:59:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:20,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:59:20,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:20,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-26 11:59:20,424 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:20,425 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:59:20,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1800497801] [2023-11-26 11:59:20,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1800497801] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:20,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:20,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:59:20,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292840498] [2023-11-26 11:59:20,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:20,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:59:20,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:59:20,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:59:20,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:59:20,430 INFO L87 Difference]: Start difference. First operand 64 states and 100 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:59:24,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:59:25,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:25,083 INFO L93 Difference]: Finished difference Result 161 states and 248 transitions. [2023-11-26 11:59:25,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:59:25,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 157 [2023-11-26 11:59:25,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:25,088 INFO L225 Difference]: With dead ends: 161 [2023-11-26 11:59:25,089 INFO L226 Difference]: Without dead ends: 98 [2023-11-26 11:59:25,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:59:25,092 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 48 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:25,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 227 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2023-11-26 11:59:25,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-26 11:59:25,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 95. [2023-11-26 11:59:25,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 53 states have internal predecessors, (66), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-26 11:59:25,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 146 transitions. [2023-11-26 11:59:25,118 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 146 transitions. Word has length 157 [2023-11-26 11:59:25,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:25,120 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 146 transitions. [2023-11-26 11:59:25,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:59:25,120 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2023-11-26 11:59:25,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-26 11:59:25,124 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:25,124 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:25,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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)] Ended with exit code 0 [2023-11-26 11:59:25,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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 11:59:25,345 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:25,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:25,346 INFO L85 PathProgramCache]: Analyzing trace with hash -60751571, now seen corresponding path program 1 times [2023-11-26 11:59:25,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:59:25,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859474688] [2023-11-26 11:59:25,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:25,348 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 11:59:25,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:59:25,350 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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 11:59:25,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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 (4)] Waiting until timeout for monitored process [2023-11-26 11:59:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:26,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:59:26,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:26,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-26 11:59:26,119 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:26,119 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:59:26,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859474688] [2023-11-26 11:59:26,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [859474688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:26,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:26,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:59:26,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419045274] [2023-11-26 11:59:26,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:26,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:59:26,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:59:26,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:59:26,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:59:26,123 INFO L87 Difference]: Start difference. First operand 95 states and 146 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:59:30,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:59:32,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:59:32,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:32,555 INFO L93 Difference]: Finished difference Result 210 states and 323 transitions. [2023-11-26 11:59:32,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:59:32,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 158 [2023-11-26 11:59:32,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:32,561 INFO L225 Difference]: With dead ends: 210 [2023-11-26 11:59:32,562 INFO L226 Difference]: Without dead ends: 116 [2023-11-26 11:59:32,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:59:32,565 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 19 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:32,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 179 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2023-11-26 11:59:32,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-26 11:59:32,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 101. [2023-11-26 11:59:32,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 59 states have internal predecessors, (77), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-26 11:59:32,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 157 transitions. [2023-11-26 11:59:32,588 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 157 transitions. Word has length 158 [2023-11-26 11:59:32,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:32,589 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 157 transitions. [2023-11-26 11:59:32,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:59:32,590 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 157 transitions. [2023-11-26 11:59:32,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-26 11:59:32,594 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:32,594 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:32,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:32,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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 11:59:32,810 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:32,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:32,811 INFO L85 PathProgramCache]: Analyzing trace with hash -3493269, now seen corresponding path program 1 times [2023-11-26 11:59:32,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:59:32,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162305154] [2023-11-26 11:59:32,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:32,812 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 11:59:32,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:59:32,813 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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 11:59:32,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1406f1dd-7008-4d65-af88-174481b42277/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 (5)] Waiting until timeout for monitored process [2023-11-26 11:59:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:33,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-26 11:59:33,642 INFO L285 TraceCheckSpWp]: Computing forward predicates...