./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU --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 16869c7bcc9d57976c37e211199b445527f71fa5796db6fd4758ef43cb31d88a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:13:40,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:13:40,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:13:40,426 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:13:40,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:13:40,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:13:40,464 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:13:40,465 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:13:40,468 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:13:40,469 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:13:40,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:13:40,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:13:40,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:13:40,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:13:40,473 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:13:40,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:13:40,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:13:40,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:13:40,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:13:40,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:13:40,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:13:40,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:13:40,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:13:40,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:13:40,480 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:13:40,480 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:13:40,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:13:40,481 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:13:40,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:13:40,482 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:13:40,482 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:13:40,482 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:13:40,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:40,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:13:40,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:13:40,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:13:40,490 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:13:40,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:13:40,490 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:13:40,491 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:13:40,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:13:40,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:13:40,492 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_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16869c7bcc9d57976c37e211199b445527f71fa5796db6fd4758ef43cb31d88a [2024-10-31 22:13:40,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:13:40,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:13:40,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:13:40,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:13:40,863 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:13:40,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i Unable to find full path for "g++" [2024-10-31 22:13:43,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:13:43,528 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:13:43,529 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i [2024-10-31 22:13:43,545 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/data/9a0d30086/96afdc3ed08e440db152ccb6b32969b1/FLAG53e534730 [2024-10-31 22:13:43,564 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/data/9a0d30086/96afdc3ed08e440db152ccb6b32969b1 [2024-10-31 22:13:43,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:13:43,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:13:43,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:43,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:13:43,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:13:43,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:43" (1/1) ... [2024-10-31 22:13:43,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73975c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:43, skipping insertion in model container [2024-10-31 22:13:43,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:43" (1/1) ... [2024-10-31 22:13:43,626 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:13:43,864 WARN L251 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_7a756596-2a06-4396-95c1-c752903f752f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i[915,928] [2024-10-31 22:13:43,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:43,973 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:13:43,988 WARN L251 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_7a756596-2a06-4396-95c1-c752903f752f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i[915,928] [2024-10-31 22:13:44,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:44,089 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:13:44,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:44 WrapperNode [2024-10-31 22:13:44,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:44,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:44,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:13:44,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:13:44,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:44" (1/1) ... [2024-10-31 22:13:44,113 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:44" (1/1) ... [2024-10-31 22:13:44,201 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 203 [2024-10-31 22:13:44,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:44,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:13:44,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:13:44,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:13:44,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:44" (1/1) ... [2024-10-31 22:13:44,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:44" (1/1) ... [2024-10-31 22:13:44,226 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:44" (1/1) ... [2024-10-31 22:13:44,302 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]. [2024-10-31 22:13:44,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:44" (1/1) ... [2024-10-31 22:13:44,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:44" (1/1) ... [2024-10-31 22:13:44,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:44" (1/1) ... [2024-10-31 22:13:44,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:44" (1/1) ... [2024-10-31 22:13:44,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:44" (1/1) ... [2024-10-31 22:13:44,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:44" (1/1) ... [2024-10-31 22:13:44,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:13:44,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:13:44,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:13:44,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:13:44,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:44" (1/1) ... [2024-10-31 22:13:44,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:44,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:44,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:44,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:13:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:13:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:13:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:13:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:13:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:13:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:13:44,614 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:13:44,619 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:13:45,206 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-31 22:13:45,206 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:13:45,224 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:13:45,224 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:13:45,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:45 BoogieIcfgContainer [2024-10-31 22:13:45,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:13:45,228 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:13:45,228 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:13:45,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:13:45,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:13:43" (1/3) ... [2024-10-31 22:13:45,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ba020b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:45, skipping insertion in model container [2024-10-31 22:13:45,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:44" (2/3) ... [2024-10-31 22:13:45,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ba020b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:45, skipping insertion in model container [2024-10-31 22:13:45,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:45" (3/3) ... [2024-10-31 22:13:45,236 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-57.i [2024-10-31 22:13:45,256 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:13:45,256 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:13:45,342 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:13:45,349 INFO L333 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, 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;@161f6c6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:13:45,349 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:13:45,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 64 states have internal predecessors, (88), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-31 22:13:45,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-31 22:13:45,373 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:45,374 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:45,374 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:13:45,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:45,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1407830711, now seen corresponding path program 1 times [2024-10-31 22:13:45,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:45,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429363] [2024-10-31 22:13:45,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:45,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:13:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:13:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:13:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:13:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:13:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:13:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 22:13:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:13:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 22:13:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:13:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:13:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:13:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:13:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 22:13:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-31 22:13:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:13:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:13:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:13:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 22:13:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 22:13:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-31 22:13:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-31 22:13:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-31 22:13:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-31 22:13:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-31 22:13:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-31 22:13:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-31 22:13:46,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:46,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429363] [2024-10-31 22:13:46,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:46,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:46,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:46,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687973002] [2024-10-31 22:13:46,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:46,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:13:46,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:46,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:13:46,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:13:46,169 INFO L87 Difference]: Start difference. First operand has 92 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 64 states have internal predecessors, (88), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-31 22:13:46,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:46,209 INFO L93 Difference]: Finished difference Result 181 states and 303 transitions. [2024-10-31 22:13:46,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:13:46,212 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2024-10-31 22:13:46,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:46,223 INFO L225 Difference]: With dead ends: 181 [2024-10-31 22:13:46,223 INFO L226 Difference]: Without dead ends: 88 [2024-10-31 22:13:46,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:13:46,232 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:46,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:46,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-10-31 22:13:46,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-10-31 22:13:46,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 60 states have (on average 1.35) internal successors, (81), 60 states have internal predecessors, (81), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-31 22:13:46,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 133 transitions. [2024-10-31 22:13:46,287 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 133 transitions. Word has length 169 [2024-10-31 22:13:46,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:46,288 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 133 transitions. [2024-10-31 22:13:46,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-31 22:13:46,289 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2024-10-31 22:13:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-31 22:13:46,295 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:46,295 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:46,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:13:46,296 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:13:46,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:46,297 INFO L85 PathProgramCache]: Analyzing trace with hash 489746559, now seen corresponding path program 1 times [2024-10-31 22:13:46,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:46,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62839740] [2024-10-31 22:13:46,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:46,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:13:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:13:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:13:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:13:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:13:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:13:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 22:13:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:13:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 22:13:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:13:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:13:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:13:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:13:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 22:13:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-31 22:13:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:13:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:13:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:13:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 22:13:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 22:13:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-31 22:13:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-31 22:13:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-31 22:13:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-31 22:13:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-31 22:13:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-31 22:13:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-10-31 22:13:47,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:47,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62839740] [2024-10-31 22:13:47,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62839740] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:13:47,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038277915] [2024-10-31 22:13:47,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:47,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:13:47,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:47,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:13:47,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:13:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:13:47,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:13:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 213 proven. 69 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2024-10-31 22:13:48,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:13:48,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-10-31 22:13:48,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038277915] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:13:48,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:13:48,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-10-31 22:13:48,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977449756] [2024-10-31 22:13:48,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:13:48,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-31 22:13:48,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:48,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-31 22:13:48,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:13:48,593 INFO L87 Difference]: Start difference. First operand 88 states and 133 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-31 22:13:49,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:49,150 INFO L93 Difference]: Finished difference Result 181 states and 271 transitions. [2024-10-31 22:13:49,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:13:49,151 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 169 [2024-10-31 22:13:49,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:49,153 INFO L225 Difference]: With dead ends: 181 [2024-10-31 22:13:49,154 INFO L226 Difference]: Without dead ends: 96 [2024-10-31 22:13:49,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 382 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-10-31 22:13:49,156 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 121 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:49,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 373 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:13:49,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-31 22:13:49,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2024-10-31 22:13:49,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.323076923076923) internal successors, (86), 65 states have internal predecessors, (86), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-31 22:13:49,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 138 transitions. [2024-10-31 22:13:49,181 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 138 transitions. Word has length 169 [2024-10-31 22:13:49,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:49,185 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 138 transitions. [2024-10-31 22:13:49,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-31 22:13:49,186 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 138 transitions. [2024-10-31 22:13:49,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-31 22:13:49,188 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:49,189 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:49,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:13:49,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:13:49,393 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:13:49,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:49,394 INFO L85 PathProgramCache]: Analyzing trace with hash -521370691, now seen corresponding path program 1 times [2024-10-31 22:13:49,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:49,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032128562] [2024-10-31 22:13:49,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:49,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:13:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:13:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:13:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:13:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:13:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:13:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 22:13:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:13:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 22:13:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:13:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:13:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:13:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:13:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 22:13:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-31 22:13:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:13:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:13:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:13:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 22:13:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 22:13:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-31 22:13:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-31 22:13:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-31 22:13:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-31 22:13:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-31 22:13:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-31 22:13:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-31 22:13:50,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:50,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032128562] [2024-10-31 22:13:50,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032128562] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:50,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:50,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-31 22:13:50,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529690057] [2024-10-31 22:13:50,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:50,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:13:50,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:50,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:13:50,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:13:50,452 INFO L87 Difference]: Start difference. First operand 94 states and 138 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-31 22:13:52,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:52,346 INFO L93 Difference]: Finished difference Result 442 states and 641 transitions. [2024-10-31 22:13:52,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:13:52,348 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2024-10-31 22:13:52,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:52,357 INFO L225 Difference]: With dead ends: 442 [2024-10-31 22:13:52,358 INFO L226 Difference]: Without dead ends: 351 [2024-10-31 22:13:52,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:13:52,363 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 661 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:52,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [661 Valid, 668 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-31 22:13:52,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-10-31 22:13:52,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 319. [2024-10-31 22:13:52,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 230 states have (on average 1.3391304347826087) internal successors, (308), 232 states have internal predecessors, (308), 80 states have call successors, (80), 8 states have call predecessors, (80), 8 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-31 22:13:52,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 468 transitions. [2024-10-31 22:13:52,493 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 468 transitions. Word has length 169 [2024-10-31 22:13:52,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:52,494 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 468 transitions. [2024-10-31 22:13:52,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-31 22:13:52,494 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 468 transitions. [2024-10-31 22:13:52,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-31 22:13:52,501 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:52,502 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:52,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:13:52,506 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:13:52,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:52,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1241291262, now seen corresponding path program 1 times [2024-10-31 22:13:52,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:52,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220636234] [2024-10-31 22:13:52,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:52,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:13:52,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [544630541] [2024-10-31 22:13:52,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:52,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:13:52,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:52,654 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:13:52,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:13:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:52,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:13:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:53,164 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:13:53,165 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:13:53,166 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:13:53,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-31 22:13:53,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:13:53,376 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-31 22:13:53,553 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:13:53,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:13:53 BoogieIcfgContainer [2024-10-31 22:13:53,561 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:13:53,562 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:13:53,563 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:13:53,563 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:13:53,563 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:45" (3/4) ... [2024-10-31 22:13:53,567 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:13:53,568 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:13:53,569 INFO L158 Benchmark]: Toolchain (without parser) took 9999.69ms. Allocated memory was 121.6MB in the beginning and 207.6MB in the end (delta: 86.0MB). Free memory was 80.4MB in the beginning and 112.9MB in the end (delta: -32.6MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2024-10-31 22:13:53,570 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 66.1MB in the beginning and 66.1MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:13:53,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.99ms. Allocated memory is still 121.6MB. Free memory was 80.4MB in the beginning and 64.5MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:13:53,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.17ms. Allocated memory is still 121.6MB. Free memory was 64.5MB in the beginning and 92.1MB in the end (delta: -27.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-10-31 22:13:53,572 INFO L158 Benchmark]: Boogie Preprocessor took 151.30ms. Allocated memory is still 121.6MB. Free memory was 92.1MB in the beginning and 89.8MB in the end (delta: 2.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-10-31 22:13:53,572 INFO L158 Benchmark]: RCFGBuilder took 866.41ms. Allocated memory is still 121.6MB. Free memory was 89.0MB in the beginning and 61.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-31 22:13:53,573 INFO L158 Benchmark]: TraceAbstraction took 8333.95ms. Allocated memory was 121.6MB in the beginning and 207.6MB in the end (delta: 86.0MB). Free memory was 61.0MB in the beginning and 114.0MB in the end (delta: -53.0MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2024-10-31 22:13:53,573 INFO L158 Benchmark]: Witness Printer took 6.19ms. Allocated memory is still 207.6MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:13:53,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 66.1MB in the beginning and 66.1MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.99ms. Allocated memory is still 121.6MB. Free memory was 80.4MB in the beginning and 64.5MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.17ms. Allocated memory is still 121.6MB. Free memory was 64.5MB in the beginning and 92.1MB in the end (delta: -27.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 151.30ms. Allocated memory is still 121.6MB. Free memory was 92.1MB in the beginning and 89.8MB in the end (delta: 2.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * RCFGBuilder took 866.41ms. Allocated memory is still 121.6MB. Free memory was 89.0MB in the beginning and 61.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 8333.95ms. Allocated memory was 121.6MB in the beginning and 207.6MB in the end (delta: 86.0MB). Free memory was 61.0MB in the beginning and 114.0MB in the end (delta: -53.0MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * Witness Printer took 6.19ms. Allocated memory is still 207.6MB. Free memory is still 112.9MB. 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 someBinaryDOUBLEComparisonOperation at line 133, overapproximation of someBinaryArithmeticDOUBLEoperation at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] signed char var_1_2 = -1; [L24] signed char var_1_3 = 10; [L25] signed long int var_1_5 = 5; [L26] unsigned char var_1_6 = 0; [L27] double var_1_7 = 24.8; [L28] double var_1_8 = 500.5; [L29] double var_1_9 = 2.4; [L30] double var_1_10 = 0.4; [L31] double var_1_11 = 255.8; [L32] double var_1_12 = 50.75; [L33] unsigned char var_1_13 = 4; [L34] unsigned char var_1_14 = 200; [L35] unsigned char var_1_15 = 25; [L36] unsigned char var_1_16 = 128; [L37] unsigned char var_1_17 = 64; [L38] unsigned char var_1_18 = 32; [L39] unsigned char var_1_19 = 32; [L40] unsigned long int var_1_20 = 1; [L41] float var_1_21 = 9999999999.2; [L42] double var_1_23 = 10.875; VAL [isInitial=0, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=10, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L137] isInitial = 1 [L138] FCALL initially() [L139] int k_loop; [L140] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=10, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L140] COND TRUE k_loop < 1 [L141] FCALL updateLastVariables() [L142] CALL updateVariables() [L88] var_1_2 = __VERIFIER_nondet_char() [L89] CALL assume_abort_if_not(var_1_2 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=10, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=10, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L89] RET assume_abort_if_not(var_1_2 >= -1) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=10, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L90] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=10, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=10, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L90] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=10, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L91] var_1_3 = __VERIFIER_nondet_char() [L92] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L92] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L93] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L93] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L94] var_1_5 = __VERIFIER_nondet_long() [L95] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L95] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L96] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L96] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L97] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L97] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L98] var_1_6 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L99] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L100] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L100] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L101] var_1_8 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5, var_1_9=12/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5, var_1_9=12/5] [L102] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5, var_1_9=12/5] [L103] var_1_9 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L104] RET assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L105] var_1_10 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_10 >= -230584.3009213691390e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 2305843.009213691390e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L106] RET assume_abort_if_not((var_1_10 >= -230584.3009213691390e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 2305843.009213691390e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L107] var_1_11 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_11 >= -115292.1504606845700e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 1152921.504606845700e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L108] RET assume_abort_if_not((var_1_11 >= -115292.1504606845700e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 1152921.504606845700e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L109] var_1_12 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_12 >= -115292.1504606845700e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 1152921.504606845700e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L110] RET assume_abort_if_not((var_1_12 >= -115292.1504606845700e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 1152921.504606845700e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L111] var_1_14 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_14 >= 190) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L112] RET assume_abort_if_not(var_1_14 >= 190) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L113] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L113] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L114] var_1_15 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L115] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L116] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L116] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L117] var_1_16 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L118] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L119] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L119] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L120] var_1_17 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L121] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L122] CALL assume_abort_if_not(var_1_17 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L122] RET assume_abort_if_not(var_1_17 <= 64) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L123] var_1_18 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L124] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L125] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L125] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L126] var_1_19 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L127] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L128] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L128] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L142] RET updateVariables() [L143] CALL step() [L46] signed char stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_7=124/5] [L47] COND TRUE -256 <= stepLocal_0 [L48] var_1_7 = (var_1_8 + (((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) + (var_1_11 + var_1_12))) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1] [L54] COND TRUE var_1_11 <= var_1_9 [L55] var_1_13 = ((((((var_1_14 - var_1_15)) > (var_1_16)) ? ((var_1_14 - var_1_15)) : (var_1_16))) - (var_1_17 + ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) VAL [isInitial=1, var_1_13=0, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1] [L57] COND TRUE (var_1_2 - var_1_3) > (var_1_13 / var_1_5) [L58] var_1_1 = (128 - var_1_3) VAL [isInitial=1, var_1_13=0, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=128, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1] [L66] EXPR (var_1_2 * var_1_13) & var_1_1 VAL [isInitial=1, var_1_13=0, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=128, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1] [L66] signed long int stepLocal_1 = (var_1_2 * var_1_13) & var_1_1; [L67] COND FALSE !(var_1_3 < stepLocal_1) VAL [isInitial=1, var_1_13=0, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=128, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1] [L70] EXPR var_1_1 & var_1_3 VAL [isInitial=1, var_1_13=0, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=128, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1] [L70] signed long int stepLocal_2 = var_1_1 & var_1_3; [L71] COND FALSE !((((((var_1_1) > (var_1_5)) ? (var_1_1) : (var_1_5))) + (var_1_1 / var_1_14)) <= stepLocal_2) [L78] var_1_21 = var_1_12 VAL [isInitial=1, var_1_12=2, var_1_13=0, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=128, var_1_20=1, var_1_21=2, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1] [L80] unsigned long int stepLocal_3 = var_1_20; VAL [isInitial=1, stepLocal_3=1, var_1_12=2, var_1_13=0, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=128, var_1_20=1, var_1_21=2, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1] [L81] COND TRUE var_1_1 > stepLocal_3 VAL [isInitial=1, var_1_12=2, var_1_13=0, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=128, var_1_20=1, var_1_21=2, var_1_23=87/8, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1] [L82] COND TRUE ! (! var_1_6) [L83] var_1_23 = var_1_8 VAL [isInitial=1, var_1_12=2, var_1_13=0, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=128, var_1_20=1, var_1_21=2, var_1_23=3, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_8=3] [L143] RET step() [L144] CALL, EXPR property() [L133] EXPR (((((var_1_2 - var_1_3) > (var_1_13 / var_1_5)) ? (var_1_1 == ((unsigned char) (128 - var_1_3))) : ((! var_1_6) ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3)))) && ((-256 <= var_1_2) ? (var_1_7 == ((double) (var_1_8 + (((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) + (var_1_11 + var_1_12))))) : ((var_1_11 == var_1_9) ? (var_1_7 == ((double) var_1_8)) : 1))) && ((var_1_11 <= var_1_9) ? (var_1_13 == ((unsigned char) ((((((var_1_14 - var_1_15)) > (var_1_16)) ? ((var_1_14 - var_1_15)) : (var_1_16))) - (var_1_17 + ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))))) : 1)) && ((var_1_3 < ((var_1_2 * var_1_13) & var_1_1)) ? (var_1_20 == ((unsigned long int) (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) + var_1_14))) : 1) VAL [isInitial=1, var_1_12=2, var_1_13=0, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=128, var_1_20=1, var_1_21=2, var_1_23=3, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_8=3] [L133] EXPR ((((((var_1_2 - var_1_3) > (var_1_13 / var_1_5)) ? (var_1_1 == ((unsigned char) (128 - var_1_3))) : ((! var_1_6) ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3)))) && ((-256 <= var_1_2) ? (var_1_7 == ((double) (var_1_8 + (((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) + (var_1_11 + var_1_12))))) : ((var_1_11 == var_1_9) ? (var_1_7 == ((double) var_1_8)) : 1))) && ((var_1_11 <= var_1_9) ? (var_1_13 == ((unsigned char) ((((((var_1_14 - var_1_15)) > (var_1_16)) ? ((var_1_14 - var_1_15)) : (var_1_16))) - (var_1_17 + ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))))) : 1)) && ((var_1_3 < ((var_1_2 * var_1_13) & var_1_1)) ? (var_1_20 == ((unsigned long int) (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) + var_1_14))) : 1)) && (((((((var_1_1) > (var_1_5)) ? (var_1_1) : (var_1_5))) + (var_1_1 / var_1_14)) <= (var_1_1 & var_1_3)) ? (var_1_6 ? (var_1_21 == ((float) var_1_12)) : (var_1_21 == ((float) var_1_10))) : (var_1_21 == ((float) var_1_12))) VAL [isInitial=1, var_1_12=2, var_1_13=0, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=128, var_1_20=1, var_1_21=2, var_1_23=3, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_8=3] [L133-L134] return (((((((var_1_2 - var_1_3) > (var_1_13 / var_1_5)) ? (var_1_1 == ((unsigned char) (128 - var_1_3))) : ((! var_1_6) ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3)))) && ((-256 <= var_1_2) ? (var_1_7 == ((double) (var_1_8 + (((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) + (var_1_11 + var_1_12))))) : ((var_1_11 == var_1_9) ? (var_1_7 == ((double) var_1_8)) : 1))) && ((var_1_11 <= var_1_9) ? (var_1_13 == ((unsigned char) ((((((var_1_14 - var_1_15)) > (var_1_16)) ? ((var_1_14 - var_1_15)) : (var_1_16))) - (var_1_17 + ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))))) : 1)) && ((var_1_3 < ((var_1_2 * var_1_13) & var_1_1)) ? (var_1_20 == ((unsigned long int) (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) + var_1_14))) : 1)) && (((((((var_1_1) > (var_1_5)) ? (var_1_1) : (var_1_5))) + (var_1_1 / var_1_14)) <= (var_1_1 & var_1_3)) ? (var_1_6 ? (var_1_21 == ((float) var_1_12)) : (var_1_21 == ((float) var_1_10))) : (var_1_21 == ((float) var_1_12)))) && ((var_1_1 > var_1_20) ? ((! (! var_1_6)) ? (var_1_23 == ((double) var_1_8)) : 1) : 1) ; [L144] RET, EXPR property() [L144] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_12=2, var_1_13=0, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=128, var_1_20=1, var_1_21=2, var_1_23=3, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_8=3] [L19] reach_error() VAL [isInitial=1, var_1_12=2, var_1_13=0, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=0, var_1_19=63, var_1_1=128, var_1_20=1, var_1_21=2, var_1_23=3, var_1_2=1, var_1_3=0, var_1_5=129, var_1_6=1, var_1_8=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 4, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 784 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 782 mSDsluCounter, 1178 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 783 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1104 IncrementalHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 395 mSDtfsCounter, 1104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 550 GetRequests, 520 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=319occurred in iteration=3, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 34 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1016 NumberOfCodeBlocks, 1016 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 840 ConstructedInterpolants, 0 QuantifiedInterpolants, 1769 SizeOfPredicates, 0 NumberOfNonLiveVariables, 367 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 6293/6500 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 [2024-10-31 22:13:53,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU --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 16869c7bcc9d57976c37e211199b445527f71fa5796db6fd4758ef43cb31d88a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:13:56,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:13:56,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:13:56,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:13:56,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:13:56,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:13:56,844 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:13:56,844 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:13:56,845 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:13:56,847 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:13:56,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:13:56,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:13:56,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:13:56,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:13:56,853 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:13:56,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:13:56,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:13:56,854 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:13:56,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:13:56,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:13:56,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:13:56,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:13:56,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:13:56,861 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:13:56,861 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:13:56,862 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:13:56,862 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:13:56,863 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:13:56,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:13:56,864 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:13:56,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:13:56,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:13:56,867 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:13:56,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:13:56,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:56,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:13:56,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:13:56,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:13:56,869 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:13:56,870 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:13:56,870 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:13:56,871 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:13:56,871 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:13:56,871 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:13:56,872 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:13:56,872 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_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16869c7bcc9d57976c37e211199b445527f71fa5796db6fd4758ef43cb31d88a [2024-10-31 22:13:57,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:13:57,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:13:57,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:13:57,392 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:13:57,393 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:13:57,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i Unable to find full path for "g++" [2024-10-31 22:13:59,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:14:00,252 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:14:00,253 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i [2024-10-31 22:14:00,268 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/data/cadf348d2/c5049c2efebb4bc8a45e6b5b5dda6bab/FLAGe31c89822 [2024-10-31 22:14:00,523 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/data/cadf348d2/c5049c2efebb4bc8a45e6b5b5dda6bab [2024-10-31 22:14:00,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:14:00,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:14:00,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:00,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:14:00,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:14:00,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:00" (1/1) ... [2024-10-31 22:14:00,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d81e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:00, skipping insertion in model container [2024-10-31 22:14:00,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:00" (1/1) ... [2024-10-31 22:14:00,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:14:00,797 WARN L251 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_7a756596-2a06-4396-95c1-c752903f752f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i[915,928] [2024-10-31 22:14:00,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:00,908 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:14:00,924 WARN L251 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_7a756596-2a06-4396-95c1-c752903f752f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i[915,928] [2024-10-31 22:14:00,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:01,012 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:14:01,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:01 WrapperNode [2024-10-31 22:14:01,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:01,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:01,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:14:01,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:14:01,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:01" (1/1) ... [2024-10-31 22:14:01,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:01" (1/1) ... [2024-10-31 22:14:01,090 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2024-10-31 22:14:01,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:01,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:14:01,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:14:01,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:14:01,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:01" (1/1) ... [2024-10-31 22:14:01,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:01" (1/1) ... [2024-10-31 22:14:01,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:01" (1/1) ... [2024-10-31 22:14:01,138 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]. [2024-10-31 22:14:01,142 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:01" (1/1) ... [2024-10-31 22:14:01,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:01" (1/1) ... [2024-10-31 22:14:01,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:01" (1/1) ... [2024-10-31 22:14:01,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:01" (1/1) ... [2024-10-31 22:14:01,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:01" (1/1) ... [2024-10-31 22:14:01,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:01" (1/1) ... [2024-10-31 22:14:01,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:14:01,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:14:01,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:14:01,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:14:01,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:01" (1/1) ... [2024-10-31 22:14:01,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:01,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:01,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:01,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:14:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:14:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:14:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:14:01,274 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:14:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:14:01,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:14:01,530 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:14:01,533 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:14:08,068 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-31 22:14:08,068 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:14:08,097 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:14:08,097 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:14:08,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:08 BoogieIcfgContainer [2024-10-31 22:14:08,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:14:08,103 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:14:08,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:14:08,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:14:08,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:14:00" (1/3) ... [2024-10-31 22:14:08,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723b45db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:08, skipping insertion in model container [2024-10-31 22:14:08,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:01" (2/3) ... [2024-10-31 22:14:08,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723b45db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:08, skipping insertion in model container [2024-10-31 22:14:08,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:08" (3/3) ... [2024-10-31 22:14:08,114 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-57.i [2024-10-31 22:14:08,138 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:14:08,138 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:14:08,226 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:14:08,238 INFO L333 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, 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;@241b9691, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:14:08,239 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:14:08,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 46 states have internal predecessors, (60), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-31 22:14:08,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-31 22:14:08,260 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:08,261 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:08,261 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:14:08,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:08,267 INFO L85 PathProgramCache]: Analyzing trace with hash 226317446, now seen corresponding path program 1 times [2024-10-31 22:14:08,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:14:08,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1598383359] [2024-10-31 22:14:08,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:08,289 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 [2024-10-31 22:14:08,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:14:08,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:14:08,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:14:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:09,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:14:09,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:14:09,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 594 proven. 0 refuted. 0 times theorem prover too weak. 706 trivial. 0 not checked. [2024-10-31 22:14:09,159 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:14:09,160 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:14:09,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1598383359] [2024-10-31 22:14:09,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1598383359] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:09,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:09,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:14:09,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115557054] [2024-10-31 22:14:09,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:09,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:14:09,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:14:09,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:14:09,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:14:09,201 INFO L87 Difference]: Start difference. First operand has 74 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 46 states have internal predecessors, (60), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-31 22:14:09,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:09,236 INFO L93 Difference]: Finished difference Result 144 states and 245 transitions. [2024-10-31 22:14:09,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:14:09,238 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 163 [2024-10-31 22:14:09,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:14:09,246 INFO L225 Difference]: With dead ends: 144 [2024-10-31 22:14:09,246 INFO L226 Difference]: Without dead ends: 69 [2024-10-31 22:14:09,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:14:09,255 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:14:09,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:14:09,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-10-31 22:14:09,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-10-31 22:14:09,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 41 states have internal predecessors, (50), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-31 22:14:09,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 102 transitions. [2024-10-31 22:14:09,312 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 102 transitions. Word has length 163 [2024-10-31 22:14:09,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:14:09,312 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 102 transitions. [2024-10-31 22:14:09,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-31 22:14:09,313 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2024-10-31 22:14:09,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-31 22:14:09,318 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:09,318 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:09,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-31 22:14:09,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:14:09,519 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:14:09,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:09,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1922666418, now seen corresponding path program 1 times [2024-10-31 22:14:09,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:14:09,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401404079] [2024-10-31 22:14:09,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:09,522 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 [2024-10-31 22:14:09,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:14:09,525 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:14:09,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a756596-2a06-4396-95c1-c752903f752f/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:14:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:10,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-10-31 22:14:10,426 INFO L278 TraceCheckSpWp]: Computing forward predicates...