./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-23.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya --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 ecb657514b6ca34f15abfe6004ba02d38bdfc8908a67ac6501ada0716f98bd40 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:47:52,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:47:52,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 01:47:52,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:47:52,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:47:52,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:47:52,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:47:52,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:47:52,314 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:47:52,314 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:47:52,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:47:52,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:47:52,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:47:52,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:47:52,317 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:47:52,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:47:52,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:47:52,318 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:47:52,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:47:52,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:47:52,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:47:52,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:47:52,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:47:52,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:47:52,322 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:47:52,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:47:52,323 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:47:52,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:47:52,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:47:52,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:47:52,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:47:52,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:47:52,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:47:52,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:47:52,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:47:52,326 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:47:52,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:47:52,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:47:52,326 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:47:52,327 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:47:52,327 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:47:52,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:47:52,327 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_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecb657514b6ca34f15abfe6004ba02d38bdfc8908a67ac6501ada0716f98bd40 [2023-11-29 01:47:52,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:47:52,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:47:52,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:47:52,554 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:47:52,555 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:47:52,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-23.i [2023-11-29 01:47:55,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:47:55,522 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:47:55,522 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-23.i [2023-11-29 01:47:55,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/data/dc3c11880/b8eadf2acc654ef8b1d2e69dec8d38e4/FLAG66c7b18e2 [2023-11-29 01:47:55,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/data/dc3c11880/b8eadf2acc654ef8b1d2e69dec8d38e4 [2023-11-29 01:47:55,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:47:55,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:47:55,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:47:55,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:47:55,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:47:55,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:47:55" (1/1) ... [2023-11-29 01:47:55,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314352a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:47:55, skipping insertion in model container [2023-11-29 01:47:55,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:47:55" (1/1) ... [2023-11-29 01:47:55,592 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:47:55,744 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_ba83a233-15f7-4c38-aad1-cf728518f7d2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-23.i[919,932] [2023-11-29 01:47:55,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:47:55,812 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:47:55,824 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_ba83a233-15f7-4c38-aad1-cf728518f7d2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-23.i[919,932] [2023-11-29 01:47:55,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:47:55,868 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:47:55,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:47:55 WrapperNode [2023-11-29 01:47:55,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:47:55,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:47:55,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:47:55,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:47:55,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:47:55" (1/1) ... [2023-11-29 01:47:55,891 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:47:55" (1/1) ... [2023-11-29 01:47:55,926 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2023-11-29 01:47:55,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:47:55,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:47:55,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:47:55,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:47:55,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:47:55" (1/1) ... [2023-11-29 01:47:55,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:47:55" (1/1) ... [2023-11-29 01:47:55,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:47:55" (1/1) ... [2023-11-29 01:47:55,964 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 01:47:55,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:47:55" (1/1) ... [2023-11-29 01:47:55,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:47:55" (1/1) ... [2023-11-29 01:47:55,975 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:47:55" (1/1) ... [2023-11-29 01:47:55,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:47:55" (1/1) ... [2023-11-29 01:47:55,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:47:55" (1/1) ... [2023-11-29 01:47:55,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:47:55" (1/1) ... [2023-11-29 01:47:55,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:47:55,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:47:55,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:47:55,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:47:55,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:47:55" (1/1) ... [2023-11-29 01:47:55,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:47:56,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:47:56,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:47:56,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:47:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:47:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 01:47:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 01:47:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:47:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:47:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:47:56,156 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:47:56,159 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:47:56,450 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:47:56,495 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:47:56,495 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:47:56,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:47:56 BoogieIcfgContainer [2023-11-29 01:47:56,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:47:56,499 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:47:56,499 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:47:56,502 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:47:56,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:47:55" (1/3) ... [2023-11-29 01:47:56,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2018d75b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:47:56, skipping insertion in model container [2023-11-29 01:47:56,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:47:55" (2/3) ... [2023-11-29 01:47:56,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2018d75b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:47:56, skipping insertion in model container [2023-11-29 01:47:56,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:47:56" (3/3) ... [2023-11-29 01:47:56,505 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-23.i [2023-11-29 01:47:56,524 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:47:56,524 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:47:56,589 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:47:56,596 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;@5cb48051, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:47:56,597 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:47:56,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 34 states have internal predecessors, (48), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 01:47:56,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 01:47:56,614 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:56,615 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:47:56,616 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:56,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:56,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1345594966, now seen corresponding path program 1 times [2023-11-29 01:47:56,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:56,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767933231] [2023-11-29 01:47:56,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:56,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:56,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:56,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767933231] [2023-11-29 01:47:56,820 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 01:47:56,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624369018] [2023-11-29 01:47:56,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:56,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:47:56,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:47:56,825 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:47:56,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:47:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:56,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 01:47:56,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:47:57,023 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-11-29 01:47:57,023 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:47:57,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624369018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:57,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:57,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:47:57,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254832852] [2023-11-29 01:47:57,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:57,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:47:57,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:57,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:47:57,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:47:57,061 INFO L87 Difference]: Start difference. First operand has 57 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 34 states have internal predecessors, (48), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 01:47:57,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:57,099 INFO L93 Difference]: Finished difference Result 111 states and 199 transitions. [2023-11-29 01:47:57,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:47:57,102 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 129 [2023-11-29 01:47:57,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:57,110 INFO L225 Difference]: With dead ends: 111 [2023-11-29 01:47:57,110 INFO L226 Difference]: Without dead ends: 55 [2023-11-29 01:47:57,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:47:57,118 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:57,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:47:57,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-29 01:47:57,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-29 01:47:57,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 32 states have (on average 1.34375) internal successors, (43), 32 states have internal predecessors, (43), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 01:47:57,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 85 transitions. [2023-11-29 01:47:57,161 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 85 transitions. Word has length 129 [2023-11-29 01:47:57,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:57,162 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 85 transitions. [2023-11-29 01:47:57,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 01:47:57,163 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2023-11-29 01:47:57,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 01:47:57,166 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:57,166 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:47:57,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:47:57,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 01:47:57,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:47:57,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:57,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1820982748, now seen corresponding path program 1 times [2023-11-29 01:47:57,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:57,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767257058] [2023-11-29 01:47:57,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:57,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:57,431 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:47:57,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [542605697] [2023-11-29 01:47:57,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:57,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:47:57,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:47:57,433 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:47:57,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 01:47:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:57,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 01:47:57,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:47:59,126 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 438 proven. 9 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2023-11-29 01:47:59,126 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:48:23,583 WARN L293 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:48:33,763 WARN L293 SmtUtils]: Spent 5.78s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 01:49:06,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:49:06,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767257058] [2023-11-29 01:49:06,047 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:49:06,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542605697] [2023-11-29 01:49:06,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542605697] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:49:06,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:49:06,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2023-11-29 01:49:06,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805123130] [2023-11-29 01:49:06,048 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 01:49:06,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 01:49:06,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:49:06,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 01:49:06,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2023-11-29 01:49:06,051 INFO L87 Difference]: Start difference. First operand 55 states and 85 transitions. Second operand has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 15 states have internal predecessors, (42), 4 states have call successors, (21), 4 states have call predecessors, (21), 6 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2023-11-29 01:49:10,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:49:10,864 INFO L93 Difference]: Finished difference Result 197 states and 289 transitions. [2023-11-29 01:49:10,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 01:49:10,865 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 15 states have internal predecessors, (42), 4 states have call successors, (21), 4 states have call predecessors, (21), 6 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 129 [2023-11-29 01:49:10,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:49:10,869 INFO L225 Difference]: With dead ends: 197 [2023-11-29 01:49:10,869 INFO L226 Difference]: Without dead ends: 143 [2023-11-29 01:49:10,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 36.2s TimeCoverageRelationStatistics Valid=549, Invalid=1431, Unknown=0, NotChecked=0, Total=1980 [2023-11-29 01:49:10,872 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 184 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:49:10,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 372 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 01:49:10,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-29 01:49:10,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 118. [2023-11-29 01:49:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 69 states have (on average 1.2608695652173914) internal successors, (87), 69 states have internal predecessors, (87), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-29 01:49:10,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2023-11-29 01:49:10,902 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 129 [2023-11-29 01:49:10,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:49:10,903 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2023-11-29 01:49:10,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 15 states have internal predecessors, (42), 4 states have call successors, (21), 4 states have call predecessors, (21), 6 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2023-11-29 01:49:10,904 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2023-11-29 01:49:10,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 01:49:10,906 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:49:10,907 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:49:10,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 01:49:11,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:49:11,107 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:49:11,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:49:11,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1820923166, now seen corresponding path program 1 times [2023-11-29 01:49:11,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:49:11,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421843501] [2023-11-29 01:49:11,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:49:11,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:49:11,146 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:49:11,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1492954416] [2023-11-29 01:49:11,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:49:11,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:49:11,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:49:11,148 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:49:11,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 01:49:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:49:11,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:49:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:49:11,689 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:49:11,689 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 01:49:11,690 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 01:49:11,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 01:49:11,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:49:11,895 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 01:49:11,898 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:49:11,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:49:11 BoogieIcfgContainer [2023-11-29 01:49:11,978 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:49:11,979 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:49:11,979 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:49:11,979 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:49:11,979 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:47:56" (3/4) ... [2023-11-29 01:49:11,981 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 01:49:11,982 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:49:11,982 INFO L158 Benchmark]: Toolchain (without parser) took 76431.72ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 119.1MB in the beginning and 152.3MB in the end (delta: -33.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-29 01:49:11,983 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:49:11,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.21ms. Allocated memory is still 159.4MB. Free memory was 119.1MB in the beginning and 105.3MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 01:49:11,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.26ms. Allocated memory is still 159.4MB. Free memory was 105.3MB in the beginning and 101.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:49:11,984 INFO L158 Benchmark]: Boogie Preprocessor took 60.67ms. Allocated memory is still 159.4MB. Free memory was 101.2MB in the beginning and 94.8MB in the end (delta: 6.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:49:11,985 INFO L158 Benchmark]: RCFGBuilder took 506.50ms. Allocated memory is still 159.4MB. Free memory was 94.8MB in the beginning and 69.7MB in the end (delta: 25.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-29 01:49:11,985 INFO L158 Benchmark]: TraceAbstraction took 75479.73ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 68.8MB in the beginning and 152.3MB in the end (delta: -83.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-29 01:49:11,986 INFO L158 Benchmark]: Witness Printer took 2.91ms. Allocated memory is still 199.2MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:49:11,988 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.21ms. Allocated memory is still 159.4MB. Free memory was 119.1MB in the beginning and 105.3MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.26ms. Allocated memory is still 159.4MB. Free memory was 105.3MB in the beginning and 101.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.67ms. Allocated memory is still 159.4MB. Free memory was 101.2MB in the beginning and 94.8MB in the end (delta: 6.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 506.50ms. Allocated memory is still 159.4MB. Free memory was 94.8MB in the beginning and 69.7MB in the end (delta: 25.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 75479.73ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 68.8MB in the beginning and 152.3MB in the end (delta: -83.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 2.91ms. Allocated memory is still 199.2MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someUnaryDOUBLEoperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 1.4; [L26] float var_1_7 = 9.25; [L27] float var_1_8 = 1.2; [L28] float var_1_9 = 0.0; [L29] float var_1_10 = 3.1; [L30] float var_1_11 = 500.5; [L31] signed long int var_1_12 = 0; [L32] unsigned char var_1_13 = 10; [L33] unsigned char var_1_14 = 8; [L34] unsigned char var_1_17 = 64; [L35] unsigned long int var_1_18 = 25; [L36] signed char var_1_19 = -100; [L37] signed short int var_1_20 = -4; [L38] unsigned short int var_1_21 = 200; [L39] unsigned short int var_1_22 = 54878; [L40] double var_1_23 = 9999.8; [L41] float var_1_24 = -0.25; [L42] signed char var_1_25 = 50; [L43] signed char last_1_var_1_19 = -100; [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] CALL updateLastVariables() [L127] last_1_var_1_19 = var_1_19 [L137] RET updateLastVariables() [L138] 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, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L93] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L94] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L95] var_1_3 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L96] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L97] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L98] var_1_7 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_8=6/5, var_1_9=0] [L99] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_8=6/5, var_1_9=0] [L100] var_1_8 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_9=0] [L101] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_9=0] [L102] var_1_9 = __VERIFIER_nondet_float() [L103] CALL assume_abort_if_not((var_1_9 >= 4611686.018427382800e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L103] RET assume_abort_if_not((var_1_9 >= 4611686.018427382800e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L104] var_1_10 = __VERIFIER_nondet_float() [L105] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L105] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L106] var_1_11 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L107] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L108] var_1_13 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L109] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L110] CALL assume_abort_if_not(var_1_13 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L110] RET assume_abort_if_not(var_1_13 <= 64) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L111] var_1_14 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L112] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L113] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L113] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L114] var_1_17 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L115] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L116] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L116] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L117] CALL assume_abort_if_not(var_1_17 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L117] RET assume_abort_if_not(var_1_17 != 127) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L118] var_1_20 = __VERIFIER_nondet_short() [L119] CALL assume_abort_if_not(var_1_20 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L119] RET assume_abort_if_not(var_1_20 >= -32768) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L120] CALL assume_abort_if_not(var_1_20 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L120] RET assume_abort_if_not(var_1_20 <= 32767) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L121] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L121] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L122] var_1_22 = __VERIFIER_nondet_ushort() [L123] CALL assume_abort_if_not(var_1_22 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L123] RET assume_abort_if_not(var_1_22 >= 32767) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L124] CALL assume_abort_if_not(var_1_22 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L124] RET assume_abort_if_not(var_1_22 <= 65534) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L138] RET updateVariables() [L139] CALL step() [L47] COND TRUE \read(var_1_2) [L48] var_1_1 = var_1_3 VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L50] COND TRUE 5 <= var_1_17 [L51] var_1_21 = (var_1_22 - var_1_17) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=65411, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L61] var_1_23 = var_1_10 [L62] var_1_24 = 31.75f [L63] var_1_25 = -5 VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=2, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=65411, var_1_22=65534, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=7/5] [L64] COND TRUE (var_1_23 <= var_1_23) || var_1_1 [L65] var_1_4 = ((((31.5f) > (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) ? (31.5f) : (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))))) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=2, var_1_12=0, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=65411, var_1_22=65534, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_7=0, var_1_8=0] [L69] COND TRUE ((200 - var_1_13) - var_1_14) != var_1_25 [L70] var_1_12 = (var_1_13 + ((((var_1_14) < (var_1_21)) ? (var_1_14) : (var_1_21)))) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=2, var_1_12=64, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=65411, var_1_22=65534, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_7=0, var_1_8=0] [L82] COND TRUE (- (var_1_13 / var_1_17)) > var_1_25 [L83] var_1_18 = var_1_13 VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=2, var_1_12=64, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=64, var_1_19=-100, var_1_1=0, var_1_20=101, var_1_21=65411, var_1_22=65534, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_7=0, var_1_8=0] [L85] COND FALSE !((last_1_var_1_19 / ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20)))) > var_1_21) [L88] var_1_19 = var_1_17 VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=2, var_1_12=64, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=64, var_1_19=123, var_1_1=0, var_1_20=101, var_1_21=65411, var_1_22=65534, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_7=0, var_1_8=0] [L139] RET step() [L140] CALL, EXPR property() [L130-L131] return ((((((((var_1_2 ? (var_1_1 == ((unsigned char) var_1_3)) : 1) && (((var_1_23 <= var_1_23) || var_1_1) ? (var_1_4 == ((float) ((((31.5f) > (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) ? (31.5f) : (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))))))) : (var_1_4 == ((float) ((var_1_9 - var_1_10) - var_1_11))))) && ((((200 - var_1_13) - var_1_14) != var_1_25) ? (var_1_12 == ((signed long int) (var_1_13 + ((((var_1_14) < (var_1_21)) ? (var_1_14) : (var_1_21)))))) : (((var_1_25 / (128 - var_1_17)) < var_1_13) ? ((var_1_13 >= var_1_25) ? (var_1_12 == ((signed long int) var_1_14)) : (var_1_12 == ((signed long int) var_1_17))) : (var_1_12 == ((signed long int) var_1_17))))) && (((- (var_1_13 / var_1_17)) > var_1_25) ? (var_1_18 == ((unsigned long int) var_1_13)) : 1)) && (((last_1_var_1_19 / ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20)))) > var_1_21) ? (var_1_19 == ((signed char) ((((var_1_17) > (var_1_13)) ? (var_1_17) : (var_1_13))))) : (var_1_19 == ((signed char) var_1_17)))) && ((5 <= var_1_17) ? (var_1_21 == ((unsigned short int) (var_1_22 - var_1_17))) : (var_1_1 ? (var_1_1 ? (var_1_21 == ((unsigned short int) var_1_17)) : (var_1_21 == ((unsigned short int) var_1_17))) : 1))) && (var_1_23 == ((double) var_1_10))) && (var_1_24 == ((float) 31.75f))) && (var_1_25 == ((signed char) -5)) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=-100, var_1_10=2, var_1_12=64, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=64, var_1_19=123, var_1_1=0, var_1_20=101, var_1_21=65411, var_1_22=65534, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=-100, var_1_10=2, var_1_12=64, var_1_13=64, var_1_14=0, var_1_17=123, var_1_18=64, var_1_19=123, var_1_1=0, var_1_20=101, var_1_21=65411, var_1_22=65534, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_7=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 75.3s, OverallIterations: 3, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 454 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 325 mSDsCounter, 112 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 316 IncrementalHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 112 mSolverCounterUnsat, 129 mSDtfsCounter, 316 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 298 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 36.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=2, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 25 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 68.2s InterpolantComputationTime, 516 NumberOfCodeBlocks, 516 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 1269 SizeOfPredicates, 10 NumberOfNonLiveVariables, 612 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1671/1680 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 [2023-11-29 01:49:12,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya --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 ecb657514b6ca34f15abfe6004ba02d38bdfc8908a67ac6501ada0716f98bd40 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:49:13,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:49:13,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 01:49:13,950 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:49:13,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:49:13,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:49:13,978 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:49:13,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:49:13,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:49:13,980 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:49:13,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:49:13,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:49:13,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:49:13,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:49:13,983 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:49:13,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:49:13,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:49:13,984 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:49:13,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:49:13,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:49:13,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:49:13,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:49:13,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:49:13,987 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 01:49:13,988 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 01:49:13,988 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 01:49:13,989 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:49:13,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:49:13,990 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:49:13,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:49:13,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:49:13,991 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:49:13,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:49:13,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:49:13,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:49:13,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:49:13,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:49:13,993 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 01:49:13,993 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 01:49:13,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:49:13,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:49:13,994 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:49:13,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:49:13,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:49:13,994 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 01:49:13,994 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_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecb657514b6ca34f15abfe6004ba02d38bdfc8908a67ac6501ada0716f98bd40 [2023-11-29 01:49:14,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:49:14,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:49:14,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:49:14,295 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:49:14,295 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:49:14,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-23.i [2023-11-29 01:49:17,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:49:17,316 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:49:17,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-23.i [2023-11-29 01:49:17,327 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/data/5b61361c4/28bd2f7793b94c8bb69e7984875dbf8d/FLAGcf8f55674 [2023-11-29 01:49:17,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/data/5b61361c4/28bd2f7793b94c8bb69e7984875dbf8d [2023-11-29 01:49:17,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:49:17,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:49:17,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:49:17,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:49:17,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:49:17,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:49:17" (1/1) ... [2023-11-29 01:49:17,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c061cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:49:17, skipping insertion in model container [2023-11-29 01:49:17,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:49:17" (1/1) ... [2023-11-29 01:49:17,389 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:49:17,548 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_ba83a233-15f7-4c38-aad1-cf728518f7d2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-23.i[919,932] [2023-11-29 01:49:17,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:49:17,617 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:49:17,630 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_ba83a233-15f7-4c38-aad1-cf728518f7d2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-23.i[919,932] [2023-11-29 01:49:17,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:49:17,676 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:49:17,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:49:17 WrapperNode [2023-11-29 01:49:17,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:49:17,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:49:17,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:49:17,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:49:17,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:49:17" (1/1) ... [2023-11-29 01:49:17,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:49:17" (1/1) ... [2023-11-29 01:49:17,726 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2023-11-29 01:49:17,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:49:17,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:49:17,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:49:17,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:49:17,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:49:17" (1/1) ... [2023-11-29 01:49:17,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:49:17" (1/1) ... [2023-11-29 01:49:17,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:49:17" (1/1) ... [2023-11-29 01:49:17,756 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 01:49:17,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:49:17" (1/1) ... [2023-11-29 01:49:17,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:49:17" (1/1) ... [2023-11-29 01:49:17,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:49:17" (1/1) ... [2023-11-29 01:49:17,770 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:49:17" (1/1) ... [2023-11-29 01:49:17,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:49:17" (1/1) ... [2023-11-29 01:49:17,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:49:17" (1/1) ... [2023-11-29 01:49:17,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:49:17,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:49:17,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:49:17,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:49:17,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:49:17" (1/1) ... [2023-11-29 01:49:17,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:49:17,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:49:17,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:49:17,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:49:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:49:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 01:49:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 01:49:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 01:49:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:49:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:49:17,929 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:49:17,931 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:49:19,603 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:49:19,644 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:49:19,645 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:49:19,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:49:19 BoogieIcfgContainer [2023-11-29 01:49:19,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:49:19,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:49:19,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:49:19,650 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:49:19,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:49:17" (1/3) ... [2023-11-29 01:49:19,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22fbdb8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:49:19, skipping insertion in model container [2023-11-29 01:49:19,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:49:17" (2/3) ... [2023-11-29 01:49:19,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22fbdb8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:49:19, skipping insertion in model container [2023-11-29 01:49:19,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:49:19" (3/3) ... [2023-11-29 01:49:19,653 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-23.i [2023-11-29 01:49:19,668 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:49:19,668 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:49:19,707 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:49:19,713 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;@174cc116, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:49:19,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:49:19,716 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 34 states have internal predecessors, (48), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 01:49:19,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 01:49:19,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:49:19,729 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:49:19,730 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:49:19,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:49:19,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1345594966, now seen corresponding path program 1 times [2023-11-29 01:49:19,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:49:19,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [463096190] [2023-11-29 01:49:19,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:49:19,746 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 [2023-11-29 01:49:19,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:49:19,747 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 01:49:19,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:49:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:49:20,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 01:49:20,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:49:20,169 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2023-11-29 01:49:20,169 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:49:20,170 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:49:20,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [463096190] [2023-11-29 01:49:20,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [463096190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:49:20,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:49:20,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:49:20,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450493405] [2023-11-29 01:49:20,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:49:20,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:49:20,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:49:20,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:49:20,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:49:20,211 INFO L87 Difference]: Start difference. First operand has 57 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 34 states have internal predecessors, (48), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 01:49:21,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:49:21,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:49:21,464 INFO L93 Difference]: Finished difference Result 111 states and 199 transitions. [2023-11-29 01:49:21,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:49:21,487 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 129 [2023-11-29 01:49:21,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:49:21,500 INFO L225 Difference]: With dead ends: 111 [2023-11-29 01:49:21,500 INFO L226 Difference]: Without dead ends: 55 [2023-11-29 01:49:21,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:49:21,507 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:49:21,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 01:49:21,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-29 01:49:21,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-29 01:49:21,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 32 states have (on average 1.34375) internal successors, (43), 32 states have internal predecessors, (43), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 01:49:21,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 85 transitions. [2023-11-29 01:49:21,561 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 85 transitions. Word has length 129 [2023-11-29 01:49:21,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:49:21,562 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 85 transitions. [2023-11-29 01:49:21,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 01:49:21,563 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2023-11-29 01:49:21,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 01:49:21,566 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:49:21,566 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:49:21,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:49:21,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:49:21,767 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:49:21,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:49:21,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1820982748, now seen corresponding path program 1 times [2023-11-29 01:49:21,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:49:21,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931637404] [2023-11-29 01:49:21,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:49:21,769 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 [2023-11-29 01:49:21,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:49:21,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 01:49:21,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba83a233-15f7-4c38-aad1-cf728518f7d2/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:49:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:49:22,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-29 01:49:22,124 INFO L285 TraceCheckSpWp]: Computing forward predicates...