./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 57c3b59e617031810541c352683e22355f7d2bb210fb0588faea84e9b25c6bba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:20:46,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:20:46,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:20:46,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:20:46,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:20:46,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:20:46,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:20:46,454 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:20:46,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:20:46,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:20:46,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:20:46,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:20:46,458 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:20:46,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:20:46,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:20:46,460 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:20:46,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:20:46,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:20:46,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:20:46,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:20:46,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:20:46,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:20:46,464 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:20:46,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:20:46,465 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:20:46,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:20:46,467 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:20:46,467 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:20:46,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:20:46,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:20:46,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:20:46,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:20:46,470 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:20:46,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:20:46,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:20:46,472 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:20:46,472 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:20:46,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:20:46,473 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:20:46,485 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_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57c3b59e617031810541c352683e22355f7d2bb210fb0588faea84e9b25c6bba [2023-11-12 02:20:46,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:20:46,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:20:46,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:20:46,813 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:20:46,813 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:20:46,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i [2023-11-12 02:20:50,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:20:50,256 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:20:50,257 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i [2023-11-12 02:20:50,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/data/f09799332/6a85a4d61bba4cc7858d52d0ee1c08f5/FLAG95f2e34ab [2023-11-12 02:20:50,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/data/f09799332/6a85a4d61bba4cc7858d52d0ee1c08f5 [2023-11-12 02:20:50,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:20:50,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:20:50,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:20:50,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:20:50,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:20:50,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:20:50" (1/1) ... [2023-11-12 02:20:50,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403ca6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:50, skipping insertion in model container [2023-11-12 02:20:50,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:20:50" (1/1) ... [2023-11-12 02:20:50,340 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:20:50,507 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_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i[917,930] [2023-11-12 02:20:50,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:20:50,608 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:20:50,633 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_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i[917,930] [2023-11-12 02:20:50,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:20:50,725 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:20:50,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:50 WrapperNode [2023-11-12 02:20:50,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:20:50,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:20:50,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:20:50,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:20:50,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:50" (1/1) ... [2023-11-12 02:20:50,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:50" (1/1) ... [2023-11-12 02:20:50,809 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2023-11-12 02:20:50,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:20:50,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:20:50,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:20:50,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:20:50,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:50" (1/1) ... [2023-11-12 02:20:50,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:50" (1/1) ... [2023-11-12 02:20:50,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:50" (1/1) ... [2023-11-12 02:20:50,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:50" (1/1) ... [2023-11-12 02:20:50,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:50" (1/1) ... [2023-11-12 02:20:50,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:50" (1/1) ... [2023-11-12 02:20:50,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:50" (1/1) ... [2023-11-12 02:20:50,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:50" (1/1) ... [2023-11-12 02:20:50,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:20:50,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:20:50,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:20:50,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:20:50,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:50" (1/1) ... [2023-11-12 02:20:50,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:20:50,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:20:50,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:20:50,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:20:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:20:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:20:50,959 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:20:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:20:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:20:50,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:20:51,048 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:20:51,050 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:20:51,614 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:20:51,621 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:20:51,622 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:20:51,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:20:51 BoogieIcfgContainer [2023-11-12 02:20:51,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:20:51,639 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:20:51,639 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:20:51,642 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:20:51,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:20:50" (1/3) ... [2023-11-12 02:20:51,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d24e336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:20:51, skipping insertion in model container [2023-11-12 02:20:51,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:50" (2/3) ... [2023-11-12 02:20:51,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d24e336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:20:51, skipping insertion in model container [2023-11-12 02:20:51,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:20:51" (3/3) ... [2023-11-12 02:20:51,646 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-35.i [2023-11-12 02:20:51,673 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:20:51,673 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:20:51,744 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:20:51,752 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;@1e9867f2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:20:51,753 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:20:51,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 52 states have internal predecessors, (68), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 02:20:51,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-12 02:20:51,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:20:51,782 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:51,783 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:20:51,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:51,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1157336560, now seen corresponding path program 1 times [2023-11-12 02:20:51,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:51,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015410819] [2023-11-12 02:20:51,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:51,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:52,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:20:52,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015410819] [2023-11-12 02:20:52,144 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:20:52,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985034224] [2023-11-12 02:20:52,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:52,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:20:52,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:20:52,151 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:20:52,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:20:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:52,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:20:52,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:20:52,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2023-11-12 02:20:52,527 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:20:52,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985034224] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:52,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:52,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:20:52,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938027929] [2023-11-12 02:20:52,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:52,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:20:52,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:20:52,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:20:52,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:20:52,588 INFO L87 Difference]: Start difference. First operand has 81 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 52 states have internal predecessors, (68), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-12 02:20:52,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:20:52,649 INFO L93 Difference]: Finished difference Result 155 states and 265 transitions. [2023-11-12 02:20:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:20:52,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2023-11-12 02:20:52,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:20:52,662 INFO L225 Difference]: With dead ends: 155 [2023-11-12 02:20:52,663 INFO L226 Difference]: Without dead ends: 77 [2023-11-12 02:20:52,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:20:52,673 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:20:52,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:20:52,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-12 02:20:52,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-12 02:20:52,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 48 states have internal predecessors, (61), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 02:20:52,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 115 transitions. [2023-11-12 02:20:52,747 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 115 transitions. Word has length 175 [2023-11-12 02:20:52,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:20:52,749 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 115 transitions. [2023-11-12 02:20:52,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-12 02:20:52,750 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2023-11-12 02:20:52,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-12 02:20:52,766 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:20:52,767 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:52,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:20:52,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:20:52,978 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:20:52,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:52,979 INFO L85 PathProgramCache]: Analyzing trace with hash -809003914, now seen corresponding path program 1 times [2023-11-12 02:20:52,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:52,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9057138] [2023-11-12 02:20:52,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:52,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:53,062 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:20:53,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1171420868] [2023-11-12 02:20:53,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:53,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:20:53,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:20:53,064 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:20:53,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:20:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:53,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 02:20:53,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:20:53,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-12 02:20:53,387 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:20:53,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:20:53,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9057138] [2023-11-12 02:20:53,394 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:20:53,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171420868] [2023-11-12 02:20:53,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171420868] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:53,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:53,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:20:53,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523641716] [2023-11-12 02:20:53,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:53,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:20:53,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:20:53,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:20:53,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:20:53,401 INFO L87 Difference]: Start difference. First operand 77 states and 115 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 02:20:53,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:20:53,617 INFO L93 Difference]: Finished difference Result 199 states and 297 transitions. [2023-11-12 02:20:53,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:20:53,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2023-11-12 02:20:53,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:20:53,621 INFO L225 Difference]: With dead ends: 199 [2023-11-12 02:20:53,622 INFO L226 Difference]: Without dead ends: 125 [2023-11-12 02:20:53,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:20:53,625 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 83 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:20:53,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 342 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:20:53,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-12 02:20:53,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2023-11-12 02:20:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 78 states have (on average 1.2820512820512822) internal successors, (100), 79 states have internal predecessors, (100), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-12 02:20:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 182 transitions. [2023-11-12 02:20:53,655 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 182 transitions. Word has length 175 [2023-11-12 02:20:53,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:20:53,657 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 182 transitions. [2023-11-12 02:20:53,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 02:20:53,658 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 182 transitions. [2023-11-12 02:20:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-12 02:20:53,661 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:20:53,661 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:53,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:20:53,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:20:53,867 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:20:53,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:53,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1820121164, now seen corresponding path program 1 times [2023-11-12 02:20:53,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:53,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480496389] [2023-11-12 02:20:53,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:53,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:53,924 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:20:53,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1931246785] [2023-11-12 02:20:53,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:53,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:20:53,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:20:53,926 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:20:53,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:20:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:54,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:20:54,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:20:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-12 02:20:55,485 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:20:55,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:20:55,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480496389] [2023-11-12 02:20:55,486 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:20:55,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931246785] [2023-11-12 02:20:55,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931246785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:55,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:55,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-12 02:20:55,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118808746] [2023-11-12 02:20:55,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:55,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:20:55,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:20:55,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:20:55,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:20:55,489 INFO L87 Difference]: Start difference. First operand 122 states and 182 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 02:20:56,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:20:56,074 INFO L93 Difference]: Finished difference Result 325 states and 479 transitions. [2023-11-12 02:20:56,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-12 02:20:56,075 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2023-11-12 02:20:56,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:20:56,081 INFO L225 Difference]: With dead ends: 325 [2023-11-12 02:20:56,081 INFO L226 Difference]: Without dead ends: 206 [2023-11-12 02:20:56,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2023-11-12 02:20:56,084 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 111 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:20:56,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 470 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:20:56,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-11-12 02:20:56,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 135. [2023-11-12 02:20:56,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 91 states have (on average 1.3076923076923077) internal successors, (119), 92 states have internal predecessors, (119), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-12 02:20:56,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 201 transitions. [2023-11-12 02:20:56,108 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 201 transitions. Word has length 175 [2023-11-12 02:20:56,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:20:56,110 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 201 transitions. [2023-11-12 02:20:56,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 02:20:56,110 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 201 transitions. [2023-11-12 02:20:56,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-12 02:20:56,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:20:56,114 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:56,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:20:56,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:20:56,321 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:20:56,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:56,322 INFO L85 PathProgramCache]: Analyzing trace with hash 174023542, now seen corresponding path program 1 times [2023-11-12 02:20:56,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:56,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543200751] [2023-11-12 02:20:56,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:56,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:56,382 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:20:56,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2002854224] [2023-11-12 02:20:56,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:56,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:20:56,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:20:56,384 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:20:56,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:20:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:56,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-12 02:20:56,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:20:57,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 420 proven. 132 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2023-11-12 02:20:57,882 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:20:59,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-12 02:20:59,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:20:59,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543200751] [2023-11-12 02:20:59,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:20:59,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002854224] [2023-11-12 02:20:59,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002854224] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-12 02:20:59,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:20:59,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2023-11-12 02:20:59,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744982033] [2023-11-12 02:20:59,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:59,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:20:59,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:20:59,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:20:59,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-11-12 02:20:59,884 INFO L87 Difference]: Start difference. First operand 135 states and 201 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 02:21:00,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:00,761 INFO L93 Difference]: Finished difference Result 349 states and 514 transitions. [2023-11-12 02:21:00,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-12 02:21:00,764 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2023-11-12 02:21:00,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:00,769 INFO L225 Difference]: With dead ends: 349 [2023-11-12 02:21:00,769 INFO L226 Difference]: Without dead ends: 217 [2023-11-12 02:21:00,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2023-11-12 02:21:00,775 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 144 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:00,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 490 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 02:21:00,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-11-12 02:21:00,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 140. [2023-11-12 02:21:00,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 96 states have (on average 1.3125) internal successors, (126), 97 states have internal predecessors, (126), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-12 02:21:00,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 208 transitions. [2023-11-12 02:21:00,800 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 208 transitions. Word has length 175 [2023-11-12 02:21:00,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:00,801 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 208 transitions. [2023-11-12 02:21:00,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 02:21:00,801 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 208 transitions. [2023-11-12 02:21:00,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-12 02:21:00,804 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:00,804 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:00,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:01,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:01,027 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:01,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:01,028 INFO L85 PathProgramCache]: Analyzing trace with hash 581382269, now seen corresponding path program 1 times [2023-11-12 02:21:01,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:01,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441475382] [2023-11-12 02:21:01,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:01,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:01,101 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:21:01,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [227688013] [2023-11-12 02:21:01,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:01,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:01,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:01,114 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:01,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:21:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:01,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:21:01,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:01,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-12 02:21:01,338 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:21:01,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:01,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441475382] [2023-11-12 02:21:01,338 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:21:01,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227688013] [2023-11-12 02:21:01,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227688013] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:01,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:01,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:21:01,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211296845] [2023-11-12 02:21:01,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:01,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:21:01,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:01,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:21:01,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:21:01,342 INFO L87 Difference]: Start difference. First operand 140 states and 208 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 02:21:01,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:01,684 INFO L93 Difference]: Finished difference Result 381 states and 567 transitions. [2023-11-12 02:21:01,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:21:01,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2023-11-12 02:21:01,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:01,688 INFO L225 Difference]: With dead ends: 381 [2023-11-12 02:21:01,689 INFO L226 Difference]: Without dead ends: 244 [2023-11-12 02:21:01,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:21:01,690 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 186 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:01,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 711 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:21:01,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2023-11-12 02:21:01,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 147. [2023-11-12 02:21:01,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 103 states have (on average 1.3300970873786409) internal successors, (137), 104 states have internal predecessors, (137), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-12 02:21:01,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 219 transitions. [2023-11-12 02:21:01,723 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 219 transitions. Word has length 176 [2023-11-12 02:21:01,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:01,726 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 219 transitions. [2023-11-12 02:21:01,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 02:21:01,727 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 219 transitions. [2023-11-12 02:21:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-12 02:21:01,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:01,730 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:01,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:01,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:01,937 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:01,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:01,937 INFO L85 PathProgramCache]: Analyzing trace with hash -227964357, now seen corresponding path program 1 times [2023-11-12 02:21:01,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:01,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553487010] [2023-11-12 02:21:01,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:01,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:01,970 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:21:01,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1376097761] [2023-11-12 02:21:01,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:01,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:01,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:01,972 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:01,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 02:21:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:21:02,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:21:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:21:02,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:21:02,386 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:21:02,387 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:21:02,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:02,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-12 02:21:02,599 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-12 02:21:02,604 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:21:02,743 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:21:02,745 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-12 02:21:02,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:21:02 BoogieIcfgContainer [2023-11-12 02:21:02,788 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:21:02,788 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:21:02,789 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:21:02,789 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:21:02,789 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:20:51" (3/4) ... [2023-11-12 02:21:02,792 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:21:02,793 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:21:02,795 INFO L158 Benchmark]: Toolchain (without parser) took 12507.05ms. Allocated memory was 121.6MB in the beginning and 249.6MB in the end (delta: 127.9MB). Free memory was 83.7MB in the beginning and 104.5MB in the end (delta: -20.8MB). Peak memory consumption was 108.5MB. Max. memory is 16.1GB. [2023-11-12 02:21:02,795 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 121.6MB. Free memory was 91.9MB in the beginning and 91.7MB in the end (delta: 178.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:21:02,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.33ms. Allocated memory is still 121.6MB. Free memory was 83.3MB in the beginning and 69.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:21:02,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.53ms. Allocated memory is still 121.6MB. Free memory was 69.0MB in the beginning and 65.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:21:02,797 INFO L158 Benchmark]: Boogie Preprocessor took 75.04ms. Allocated memory is still 121.6MB. Free memory was 65.9MB in the beginning and 64.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:21:02,797 INFO L158 Benchmark]: RCFGBuilder took 748.48ms. Allocated memory was 121.6MB in the beginning and 172.0MB in the end (delta: 50.3MB). Free memory was 64.2MB in the beginning and 140.5MB in the end (delta: -76.3MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-11-12 02:21:02,798 INFO L158 Benchmark]: TraceAbstraction took 11149.34ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 139.2MB in the beginning and 105.6MB in the end (delta: 33.6MB). Peak memory consumption was 111.0MB. Max. memory is 16.1GB. [2023-11-12 02:21:02,798 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 249.6MB. Free memory was 105.6MB in the beginning and 104.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:21:02,802 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 121.6MB. Free memory was 91.9MB in the beginning and 91.7MB in the end (delta: 178.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.33ms. Allocated memory is still 121.6MB. Free memory was 83.3MB in the beginning and 69.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.53ms. Allocated memory is still 121.6MB. Free memory was 69.0MB in the beginning and 65.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.04ms. Allocated memory is still 121.6MB. Free memory was 65.9MB in the beginning and 64.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 748.48ms. Allocated memory was 121.6MB in the beginning and 172.0MB in the end (delta: 50.3MB). Free memory was 64.2MB in the beginning and 140.5MB in the end (delta: -76.3MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11149.34ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 139.2MB in the beginning and 105.6MB in the end (delta: 33.6MB). Peak memory consumption was 111.0MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 249.6MB. Free memory was 105.6MB in the beginning and 104.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 140, overapproximation of someBinaryDOUBLEComparisonOperation at line 140, overapproximation of someUnaryFLOAToperation at line 80, overapproximation of someBinaryArithmeticFLOAToperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 1; [L25] unsigned char var_1_4 = 0; [L26] unsigned char var_1_5 = 0; [L27] unsigned short int var_1_6 = 25; [L28] signed char var_1_7 = 5; [L29] signed char var_1_8 = -5; [L30] double var_1_9 = 999.625; [L31] double var_1_10 = 5.06; [L32] unsigned short int var_1_11 = 5; [L33] signed short int var_1_12 = 2; [L34] signed long int var_1_13 = -256; [L35] double var_1_14 = 127.75; [L36] double var_1_15 = 9.75; [L37] float var_1_16 = 32.8; [L38] float var_1_17 = 32.5; [L39] float var_1_18 = 1.75; [L40] float var_1_19 = 1000000000000000.4; [L41] float var_1_20 = 0.875; [L42] unsigned char var_1_21 = 0; [L43] unsigned char var_1_22 = 0; [L44] signed short int var_1_23 = 64; [L45] signed short int var_1_24 = 25; [L46] signed short int var_1_25 = 0; VAL [isInitial=0, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L144] isInitial = 1 [L145] FCALL initially() [L146] COND TRUE 1 [L147] FCALL updateLastVariables() [L148] CALL updateVariables() [L92] var_1_2 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L93] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L94] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L94] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L95] var_1_3 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_3 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L96] RET assume_abort_if_not(var_1_3 >= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L97] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L97] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L98] var_1_4 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L99] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L100] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L100] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L101] var_1_5 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L102] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L103] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L103] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L104] var_1_7 = __VERIFIER_nondet_char() [L105] CALL assume_abort_if_not(var_1_7 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=-5, var_1_9=7997/8] [L105] RET assume_abort_if_not(var_1_7 >= -128) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=-5, var_1_9=7997/8] [L106] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=-5, var_1_9=7997/8] [L106] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=-5, var_1_9=7997/8] [L107] var_1_8 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_8 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=7997/8] [L108] RET assume_abort_if_not(var_1_8 >= -128) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=7997/8] [L109] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=7997/8] [L109] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=7997/8] [L110] var_1_9 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L111] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L112] var_1_10 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L113] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L114] var_1_11 = __VERIFIER_nondet_ushort() [L115] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L115] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L116] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L116] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L117] var_1_15 = __VERIFIER_nondet_double() [L118] 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=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L118] 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=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L119] var_1_17 = __VERIFIER_nondet_float() [L120] CALL assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L120] RET assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L121] var_1_18 = __VERIFIER_nondet_float() [L122] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L122] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L123] var_1_19 = __VERIFIER_nondet_float() [L124] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && 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=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L124] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L125] var_1_20 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L126] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L127] var_1_22 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L128] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L129] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L129] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L130] var_1_24 = __VERIFIER_nondet_short() [L131] CALL assume_abort_if_not(var_1_24 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L131] RET assume_abort_if_not(var_1_24 >= -1) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L132] CALL assume_abort_if_not(var_1_24 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L132] RET assume_abort_if_not(var_1_24 <= 32766) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=0, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L133] var_1_25 = __VERIFIER_nondet_short() [L134] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L134] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L135] CALL assume_abort_if_not(var_1_25 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L135] RET assume_abort_if_not(var_1_25 <= 32766) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L148] RET updateVariables() [L149] CALL step() [L50] COND FALSE !(\read(var_1_2)) [L53] var_1_1 = (var_1_3 && var_1_5) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L55] signed char stepLocal_0 = var_1_7; VAL [isInitial=1, stepLocal_0=31, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L56] COND TRUE stepLocal_0 >= var_1_8 VAL [isInitial=1, stepLocal_0=31, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=31, var_1_8=0, var_1_9=2] [L57] COND TRUE (var_1_9 - 1.00000000000025E12) >= var_1_10 [L58] var_1_6 = 200 VAL [isInitial=1, stepLocal_0=31, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L65] unsigned short int stepLocal_1 = var_1_6; VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, var_1_10=3, var_1_11=201, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L66] COND TRUE var_1_11 > stepLocal_1 [L67] var_1_12 = 32 VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L69] signed char stepLocal_2 = var_1_7; VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, stepLocal_2=31, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L70] COND FALSE !(var_1_12 == stepLocal_2) VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, stepLocal_2=31, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L75] EXPR var_1_11 >> var_1_8 VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, stepLocal_2=31, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L75] COND TRUE (var_1_7 + var_1_6) < ((var_1_11 >> var_1_8) * var_1_12) [L76] var_1_14 = var_1_15 VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, stepLocal_2=31, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L80] var_1_16 = (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))))) [L81] unsigned short int stepLocal_3 = var_1_6; VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, stepLocal_2=31, stepLocal_3=200, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=4, var_1_15=4, var_1_16=9, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L82] COND FALSE !(var_1_11 == stepLocal_3) VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, stepLocal_2=31, stepLocal_3=200, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=4, var_1_15=4, var_1_16=9, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L85] COND TRUE var_1_18 > var_1_9 [L86] var_1_23 = (((((var_1_24 - var_1_25)) > (var_1_7)) ? ((var_1_24 - var_1_25)) : (var_1_7))) VAL [isInitial=1, stepLocal_0=31, stepLocal_1=200, stepLocal_2=31, stepLocal_3=200, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=4, var_1_15=4, var_1_16=9, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=31, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L149] RET step() [L150] CALL, EXPR property() [L140] EXPR ((((var_1_2 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((var_1_7 >= var_1_8) ? (((var_1_9 - 1.00000000000025E12) >= var_1_10) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_12 == var_1_7) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((var_1_8 + var_1_12) + (var_1_11 - var_1_6)))) : 1) : 1)) && (((var_1_7 + var_1_6) < ((var_1_11 >> var_1_8) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15))) VAL [isInitial=1, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=4, var_1_15=4, var_1_16=9, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=31, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L140-L141] return (((((((var_1_2 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((var_1_7 >= var_1_8) ? (((var_1_9 - 1.00000000000025E12) >= var_1_10) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_12 == var_1_7) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((var_1_8 + var_1_12) + (var_1_11 - var_1_6)))) : 1) : 1)) && (((var_1_7 + var_1_6) < ((var_1_11 >> var_1_8) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15)))) && (var_1_16 == ((float) (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))))))))) && ((var_1_11 == var_1_6) ? (var_1_21 == ((unsigned char) ((var_1_5 || var_1_3) && (var_1_1 || var_1_22)))) : 1)) && ((var_1_18 > var_1_9) ? (var_1_23 == ((signed short int) (((((var_1_24 - var_1_25)) > (var_1_7)) ? ((var_1_24 - var_1_25)) : (var_1_7))))) : (var_1_23 == ((signed short int) (var_1_7 + 1)))) ; [L150] RET, EXPR property() [L150] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=4, var_1_15=4, var_1_16=9, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=31, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3, var_1_11=201, var_1_12=32, var_1_13=-256, var_1_14=4, var_1_15=4, var_1_16=9, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=31, var_1_24=32766, var_1_25=32766, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200, var_1_7=31, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 6, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 524 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 524 mSDsluCounter, 2128 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1413 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 749 IncrementalHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 715 mSDtfsCounter, 749 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1060 GetRequests, 1016 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=5, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 248 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 1227 NumberOfCodeBlocks, 1227 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1045 ConstructedInterpolants, 0 QuantifiedInterpolants, 4566 SizeOfPredicates, 36 NumberOfNonLiveVariables, 2051 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 8292/8424 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 02:21:02,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 57c3b59e617031810541c352683e22355f7d2bb210fb0588faea84e9b25c6bba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:21:05,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:21:05,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:21:05,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:21:05,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:21:05,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:21:05,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:21:05,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:21:05,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:21:05,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:21:05,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:21:05,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:21:05,777 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:21:05,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:21:05,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:21:05,780 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:21:05,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:21:05,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:21:05,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:21:05,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:21:05,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:21:05,784 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:21:05,784 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:21:05,785 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:21:05,785 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:21:05,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:21:05,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:21:05,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:21:05,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:21:05,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:21:05,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:21:05,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:21:05,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:21:05,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:21:05,791 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:21:05,791 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:21:05,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:21:05,792 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:21:05,792 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:21:05,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:21:05,794 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:21:05,796 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:21:05,796 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_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57c3b59e617031810541c352683e22355f7d2bb210fb0588faea84e9b25c6bba [2023-11-12 02:21:06,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:21:06,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:21:06,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:21:06,245 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:21:06,246 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:21:06,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i [2023-11-12 02:21:09,470 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:21:09,753 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:21:09,754 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i [2023-11-12 02:21:09,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/data/6523a8630/762d5cad26e74b64869cbf843b4e8d8f/FLAG224b9911c [2023-11-12 02:21:09,788 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/data/6523a8630/762d5cad26e74b64869cbf843b4e8d8f [2023-11-12 02:21:09,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:21:09,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:21:09,800 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:21:09,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:21:09,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:21:09,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:21:09" (1/1) ... [2023-11-12 02:21:09,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@363dfe54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:09, skipping insertion in model container [2023-11-12 02:21:09,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:21:09" (1/1) ... [2023-11-12 02:21:09,859 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:21:10,067 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_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i[917,930] [2023-11-12 02:21:10,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:21:10,201 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:21:10,222 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_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-35.i[917,930] [2023-11-12 02:21:10,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:21:10,273 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:21:10,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:10 WrapperNode [2023-11-12 02:21:10,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:21:10,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:21:10,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:21:10,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:21:10,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:10" (1/1) ... [2023-11-12 02:21:10,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:10" (1/1) ... [2023-11-12 02:21:10,352 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2023-11-12 02:21:10,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:21:10,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:21:10,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:21:10,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:21:10,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:10" (1/1) ... [2023-11-12 02:21:10,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:10" (1/1) ... [2023-11-12 02:21:10,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:10" (1/1) ... [2023-11-12 02:21:10,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:10" (1/1) ... [2023-11-12 02:21:10,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:10" (1/1) ... [2023-11-12 02:21:10,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:10" (1/1) ... [2023-11-12 02:21:10,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:10" (1/1) ... [2023-11-12 02:21:10,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:10" (1/1) ... [2023-11-12 02:21:10,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:21:10,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:21:10,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:21:10,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:21:10,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:10" (1/1) ... [2023-11-12 02:21:10,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:21:10,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:10,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:21:10,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:21:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:21:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:21:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:21:10,545 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:21:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:21:10,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:21:10,652 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:21:10,654 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:21:14,197 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:21:14,210 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:21:14,210 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:21:14,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:14 BoogieIcfgContainer [2023-11-12 02:21:14,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:21:14,217 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:21:14,219 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:21:14,222 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:21:14,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:21:09" (1/3) ... [2023-11-12 02:21:14,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8e47d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:21:14, skipping insertion in model container [2023-11-12 02:21:14,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:10" (2/3) ... [2023-11-12 02:21:14,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8e47d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:21:14, skipping insertion in model container [2023-11-12 02:21:14,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:14" (3/3) ... [2023-11-12 02:21:14,227 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-35.i [2023-11-12 02:21:14,247 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:21:14,247 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:21:14,304 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:21:14,311 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;@58b5e168, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:21:14,312 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:21:14,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 47 states have internal predecessors, (60), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 02:21:14,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-12 02:21:14,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:14,343 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:14,343 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:14,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:14,349 INFO L85 PathProgramCache]: Analyzing trace with hash 547792436, now seen corresponding path program 1 times [2023-11-12 02:21:14,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:21:14,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1891009176] [2023-11-12 02:21:14,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:14,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:21:14,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:21:14,373 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:21:14,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 02:21:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:21:15,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:15,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-12 02:21:15,165 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:21:15,166 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:21:15,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1891009176] [2023-11-12 02:21:15,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1891009176] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:15,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:15,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:21:15,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611673008] [2023-11-12 02:21:15,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:15,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:21:15,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:21:15,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:21:15,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:21:15,209 INFO L87 Difference]: Start difference. First operand has 76 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 47 states have internal predecessors, (60), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 02:21:18,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:21:18,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:18,342 INFO L93 Difference]: Finished difference Result 188 states and 329 transitions. [2023-11-12 02:21:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:21:18,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2023-11-12 02:21:18,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:18,356 INFO L225 Difference]: With dead ends: 188 [2023-11-12 02:21:18,356 INFO L226 Difference]: Without dead ends: 115 [2023-11-12 02:21:18,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:21:18,365 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 73 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:18,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 332 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-12 02:21:18,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-12 02:21:18,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 112. [2023-11-12 02:21:18,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 69 states have internal predecessors, (84), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-12 02:21:18,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 166 transitions. [2023-11-12 02:21:18,428 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 166 transitions. Word has length 172 [2023-11-12 02:21:18,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:18,430 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 166 transitions. [2023-11-12 02:21:18,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 02:21:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-12 02:21:18,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-12 02:21:18,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:18,436 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:18,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:18,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:21:18,644 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:18,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:18,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1248857014, now seen corresponding path program 1 times [2023-11-12 02:21:18,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:21:18,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013154551] [2023-11-12 02:21:18,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:18,647 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:21:18,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:21:18,650 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:21:18,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf776e1-63e4-4ba9-ab0f-a36450bc56d0/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 02:21:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:19,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-12 02:21:19,219 INFO L285 TraceCheckSpWp]: Computing forward predicates...