./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-20.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_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/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_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/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_9471c728-1306-450a-8cbd-ee0ebfc5899e/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 cdf8d420988fa0e3e4e64f4a6e0e6e21d2ba2785a36d8ee86aea848cc997bd00 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:03:00,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:03:00,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:03:00,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:03:00,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:03:00,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:03:00,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:03:00,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:03:00,670 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:03:00,671 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:03:00,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:03:00,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:03:00,673 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:03:00,673 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:03:00,675 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:03:00,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:03:00,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:03:00,677 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:03:00,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:03:00,677 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:03:00,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:03:00,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:03:00,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:03:00,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:03:00,683 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:03:00,683 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:03:00,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:03:00,683 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:03:00,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:03:00,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:03:00,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:03:00,685 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:03:00,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:00,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:03:00,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:03:00,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:03:00,688 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:03:00,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:03:00,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:03:00,689 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:03:00,689 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:03:00,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:03:00,691 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_9471c728-1306-450a-8cbd-ee0ebfc5899e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdf8d420988fa0e3e4e64f4a6e0e6e21d2ba2785a36d8ee86aea848cc997bd00 [2024-10-31 22:03:01,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:03:01,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:03:01,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:03:01,039 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:03:01,039 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:03:01,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-20.i Unable to find full path for "g++" [2024-10-31 22:03:03,002 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:03:03,272 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:03:03,273 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-20.i [2024-10-31 22:03:03,283 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/data/36fd2fc8d/7e011a8f546c42ac87333526b3517a46/FLAG31ca877b2 [2024-10-31 22:03:03,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/data/36fd2fc8d/7e011a8f546c42ac87333526b3517a46 [2024-10-31 22:03:03,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:03:03,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:03:03,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:03,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:03:03,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:03:03,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:03" (1/1) ... [2024-10-31 22:03:03,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6897999a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:03, skipping insertion in model container [2024-10-31 22:03:03,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:03" (1/1) ... [2024-10-31 22:03:03,669 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:03:03,871 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_9471c728-1306-450a-8cbd-ee0ebfc5899e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-20.i[915,928] [2024-10-31 22:03:03,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:03,952 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:03:03,962 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_9471c728-1306-450a-8cbd-ee0ebfc5899e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-20.i[915,928] [2024-10-31 22:03:03,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:04,022 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:03:04,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:04 WrapperNode [2024-10-31 22:03:04,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:04,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:04,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:03:04,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:03:04,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:04" (1/1) ... [2024-10-31 22:03:04,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:04" (1/1) ... [2024-10-31 22:03:04,094 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2024-10-31 22:03:04,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:04,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:03:04,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:03:04,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:03:04,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:04" (1/1) ... [2024-10-31 22:03:04,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:04" (1/1) ... [2024-10-31 22:03:04,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:04" (1/1) ... [2024-10-31 22:03:04,148 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 22:03:04,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:04" (1/1) ... [2024-10-31 22:03:04,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:04" (1/1) ... [2024-10-31 22:03:04,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:04" (1/1) ... [2024-10-31 22:03:04,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:04" (1/1) ... [2024-10-31 22:03:04,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:04" (1/1) ... [2024-10-31 22:03:04,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:04" (1/1) ... [2024-10-31 22:03:04,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:03:04,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:03:04,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:03:04,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:03:04,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:04" (1/1) ... [2024-10-31 22:03:04,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:04,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:04,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:04,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:03:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:03:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:03:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:03:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:03:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:03:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:03:04,391 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:03:04,399 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:03:05,015 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-31 22:03:05,015 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:03:05,039 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:03:05,040 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:03:05,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:05 BoogieIcfgContainer [2024-10-31 22:03:05,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:03:05,044 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:03:05,044 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:03:05,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:03:05,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:03:03" (1/3) ... [2024-10-31 22:03:05,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3088b50d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:05, skipping insertion in model container [2024-10-31 22:03:05,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:04" (2/3) ... [2024-10-31 22:03:05,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3088b50d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:05, skipping insertion in model container [2024-10-31 22:03:05,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:05" (3/3) ... [2024-10-31 22:03:05,052 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-20.i [2024-10-31 22:03:05,077 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:03:05,078 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:03:05,158 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:03:05,165 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;@52f4d918, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:03:05,166 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:03:05,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 47 states have internal predecessors, (63), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:03:05,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-31 22:03:05,185 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:05,186 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:05,187 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:03:05,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:05,194 INFO L85 PathProgramCache]: Analyzing trace with hash 287515103, now seen corresponding path program 1 times [2024-10-31 22:03:05,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:05,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972997051] [2024-10-31 22:03:05,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:05,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:03:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:03:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:03:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:03:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:03:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:03:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:03:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:03:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:03:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:03:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:03:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:03:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:03:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 22:03:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 22:03:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:03:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:03:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:05,693 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-31 22:03:05,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:05,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972997051] [2024-10-31 22:03:05,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972997051] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:05,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:05,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:05,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208457893] [2024-10-31 22:03:05,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:05,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:03:05,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:05,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:03:05,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:03:05,751 INFO L87 Difference]: Start difference. First operand has 66 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 47 states have internal predecessors, (63), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-31 22:03:05,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:03:05,785 INFO L93 Difference]: Finished difference Result 129 states and 208 transitions. [2024-10-31 22:03:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:03:05,790 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 114 [2024-10-31 22:03:05,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:03:05,800 INFO L225 Difference]: With dead ends: 129 [2024-10-31 22:03:05,800 INFO L226 Difference]: Without dead ends: 62 [2024-10-31 22:03:05,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 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 22:03:05,812 INFO L432 NwaCegarLoop]: 94 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, 94 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 22:03:05,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:03:05,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-31 22:03:05,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-10-31 22:03:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 43 states have (on average 1.302325581395349) internal successors, (56), 43 states have internal predecessors, (56), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:03:05,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 90 transitions. [2024-10-31 22:03:05,888 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 90 transitions. Word has length 114 [2024-10-31 22:03:05,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:03:05,889 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 90 transitions. [2024-10-31 22:03:05,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-31 22:03:05,890 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2024-10-31 22:03:05,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-31 22:03:05,895 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:05,896 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:05,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:03:05,897 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:03:05,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:05,898 INFO L85 PathProgramCache]: Analyzing trace with hash 2125482457, now seen corresponding path program 1 times [2024-10-31 22:03:05,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:05,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119485811] [2024-10-31 22:03:05,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:05,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:03:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:03:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:03:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:03:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:03:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:03:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:03:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:03:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:03:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:03:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:03:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:03:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:03:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 22:03:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 22:03:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:03:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:03:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-10-31 22:03:08,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:08,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119485811] [2024-10-31 22:03:08,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119485811] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:03:08,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226514150] [2024-10-31 22:03:08,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:08,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:03:08,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:08,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:03:08,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:03:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-31 22:03:08,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:03:09,891 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 346 proven. 51 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-10-31 22:03:09,891 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:03:11,110 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 72 proven. 21 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-10-31 22:03:11,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226514150] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:03:11,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:03:11,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 11] total 27 [2024-10-31 22:03:11,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961663780] [2024-10-31 22:03:11,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:03:11,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-31 22:03:11,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:11,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-31 22:03:11,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2024-10-31 22:03:11,124 INFO L87 Difference]: Start difference. First operand 62 states and 90 transitions. Second operand has 27 states, 25 states have (on average 3.32) internal successors, (83), 25 states have internal predecessors, (83), 8 states have call successors, (35), 4 states have call predecessors, (35), 8 states have return successors, (36), 7 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-31 22:03:13,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:03:13,190 INFO L93 Difference]: Finished difference Result 168 states and 229 transitions. [2024-10-31 22:03:13,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-31 22:03:13,191 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 3.32) internal successors, (83), 25 states have internal predecessors, (83), 8 states have call successors, (35), 4 states have call predecessors, (35), 8 states have return successors, (36), 7 states have call predecessors, (36), 8 states have call successors, (36) Word has length 114 [2024-10-31 22:03:13,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:03:13,194 INFO L225 Difference]: With dead ends: 168 [2024-10-31 22:03:13,194 INFO L226 Difference]: Without dead ends: 109 [2024-10-31 22:03:13,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=507, Invalid=1473, Unknown=0, NotChecked=0, Total=1980 [2024-10-31 22:03:13,196 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 458 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-31 22:03:13,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 345 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-31 22:03:13,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-31 22:03:13,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2024-10-31 22:03:13,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 75 states have (on average 1.2666666666666666) internal successors, (95), 76 states have internal predecessors, (95), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-31 22:03:13,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 133 transitions. [2024-10-31 22:03:13,217 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 133 transitions. Word has length 114 [2024-10-31 22:03:13,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:03:13,218 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 133 transitions. [2024-10-31 22:03:13,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 3.32) internal successors, (83), 25 states have internal predecessors, (83), 8 states have call successors, (35), 4 states have call predecessors, (35), 8 states have return successors, (36), 7 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-31 22:03:13,219 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 133 transitions. [2024-10-31 22:03:13,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-31 22:03:13,221 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:13,221 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:13,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:03:13,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:03:13,423 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:03:13,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:13,424 INFO L85 PathProgramCache]: Analyzing trace with hash 350475095, now seen corresponding path program 1 times [2024-10-31 22:03:13,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:13,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538806336] [2024-10-31 22:03:13,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:13,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:03:13,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1442049966] [2024-10-31 22:03:13,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:13,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:03:13,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:13,582 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:03:13,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:03:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:13,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:13,889 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:13,889 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:03:13,890 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:03:13,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-31 22:03:14,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:03:14,096 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-31 22:03:14,199 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:03:14,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:03:14 BoogieIcfgContainer [2024-10-31 22:03:14,202 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:03:14,203 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:03:14,203 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:03:14,203 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:03:14,204 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:05" (3/4) ... [2024-10-31 22:03:14,206 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:03:14,207 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:03:14,212 INFO L158 Benchmark]: Toolchain (without parser) took 10589.39ms. Allocated memory was 140.5MB in the beginning and 222.3MB in the end (delta: 81.8MB). Free memory was 103.5MB in the beginning and 121.2MB in the end (delta: -17.7MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2024-10-31 22:03:14,212 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 140.5MB. Free memory was 80.7MB in the beginning and 80.5MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:03:14,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.06ms. Allocated memory is still 140.5MB. Free memory was 103.5MB in the beginning and 88.1MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:03:14,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.04ms. Allocated memory is still 140.5MB. Free memory was 87.8MB in the beginning and 84.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:03:14,214 INFO L158 Benchmark]: Boogie Preprocessor took 100.88ms. Allocated memory is still 140.5MB. Free memory was 84.3MB in the beginning and 78.7MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:03:14,214 INFO L158 Benchmark]: RCFGBuilder took 843.62ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 78.7MB in the beginning and 140.4MB in the end (delta: -61.7MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-10-31 22:03:14,215 INFO L158 Benchmark]: TraceAbstraction took 9158.66ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 139.2MB in the beginning and 121.2MB in the end (delta: 18.1MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2024-10-31 22:03:14,215 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 222.3MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:03:14,222 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 140.5MB. Free memory was 80.7MB in the beginning and 80.5MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.06ms. Allocated memory is still 140.5MB. Free memory was 103.5MB in the beginning and 88.1MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.04ms. Allocated memory is still 140.5MB. Free memory was 87.8MB in the beginning and 84.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.88ms. Allocated memory is still 140.5MB. Free memory was 84.3MB in the beginning and 78.7MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 843.62ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 78.7MB in the beginning and 140.4MB in the end (delta: -61.7MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * TraceAbstraction took 9158.66ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 139.2MB in the beginning and 121.2MB in the end (delta: 18.1MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 222.3MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 118, overapproximation of someBinaryArithmeticFLOAToperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 128; [L25] unsigned char var_1_4 = 2; [L26] unsigned char var_1_5 = 2; [L27] unsigned char var_1_6 = 32; [L28] unsigned short int var_1_8 = 100; [L29] float var_1_9 = 255.75; [L30] signed char var_1_10 = 64; [L31] signed char var_1_11 = 32; [L32] signed char var_1_12 = 4; [L33] float var_1_13 = 0.0; [L34] float var_1_14 = 7.25; [L35] float var_1_15 = 8.125; [L36] float var_1_16 = 24.5; [L37] signed short int var_1_17 = -256; [L38] double var_1_18 = 31.5; [L39] unsigned char last_1_var_1_6 = 32; [L40] unsigned short int last_1_var_1_8 = 100; VAL [isInitial=0, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L122] isInitial = 1 [L123] FCALL initially() [L124] int k_loop; [L125] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L125] COND TRUE k_loop < 1 [L126] CALL updateLastVariables() [L114] last_1_var_1_6 = var_1_6 [L115] last_1_var_1_8 = var_1_8 VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L126] RET updateLastVariables() [L127] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L86] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L87] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L87] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L88] var_1_3 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_3 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L89] RET assume_abort_if_not(var_1_3 >= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L90] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L90] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L91] var_1_4 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L92] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L93] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L93] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L94] var_1_5 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L95] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L96] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L96] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L97] var_1_10 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L98] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L99] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L99] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L100] var_1_11 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L101] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L102] CALL assume_abort_if_not(var_1_11 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L102] RET assume_abort_if_not(var_1_11 <= 64) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L103] var_1_12 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L104] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L105] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L105] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L106] var_1_13 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L107] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L108] var_1_14 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L109] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L110] var_1_16 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L111] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L127] RET updateVariables() [L128] CALL step() [L44] signed long int stepLocal_0 = 64 + (var_1_5 / var_1_3); VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, stepLocal_0=64, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L45] COND TRUE stepLocal_0 != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6)) [L46] var_1_6 = var_1_4 VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=127, var_1_8=100, var_1_9=1023/4] [L50] COND TRUE \read(var_1_2) [L51] var_1_1 = (var_1_3 - var_1_4) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=127, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=127, var_1_8=100, var_1_9=1023/4] [L55] COND TRUE ((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5 [L56] var_1_9 = (64.8f - (var_1_13 - var_1_14)) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=127, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=127, var_1_8=100] [L60] var_1_15 = (var_1_14 + var_1_16) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_17=-256, var_1_18=63/2, var_1_1=127, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=127, var_1_8=100] [L61] COND TRUE \read(var_1_2) [L62] var_1_17 = (var_1_3 + var_1_12) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_17=254, var_1_18=63/2, var_1_1=127, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=127, var_1_8=100] [L70] COND FALSE !((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) [L75] var_1_18 = var_1_16 VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=254, var_1_18=2, var_1_1=127, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=127, var_1_8=100] [L77] signed long int stepLocal_1 = var_1_3 - var_1_5; VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, stepLocal_1=254, var_1_10=63, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=254, var_1_18=2, var_1_1=127, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=127, var_1_8=100] [L78] COND TRUE (var_1_17 + var_1_6) >= stepLocal_1 [L79] var_1_8 = ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=254, var_1_18=2, var_1_1=127, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=127, var_1_8=254] [L128] RET step() [L129] CALL, EXPR property() [L118] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=254, var_1_18=2, var_1_1=127, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=127, var_1_8=254] [L118-L119] return ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) ; [L129] RET, EXPR property() [L129] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=254, var_1_18=2, var_1_1=127, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=127, var_1_8=254] [L19] reach_error() VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=63, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=254, var_1_18=2, var_1_1=127, var_1_2=1, var_1_3=254, var_1_4=127, var_1_5=0, var_1_6=127, var_1_8=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 3, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 460 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 458 mSDsluCounter, 439 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 285 mSDsCounter, 148 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 487 IncrementalHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 148 mSolverCounterUnsat, 154 mSDtfsCounter, 487 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 345 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=2, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 570 NumberOfCodeBlocks, 570 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 452 ConstructedInterpolants, 0 QuantifiedInterpolants, 2668 SizeOfPredicates, 7 NumberOfNonLiveVariables, 272 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2092/2176 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 22:03:14,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/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_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/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_9471c728-1306-450a-8cbd-ee0ebfc5899e/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 cdf8d420988fa0e3e4e64f4a6e0e6e21d2ba2785a36d8ee86aea848cc997bd00 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:03:16,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:03:16,937 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:03:16,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:03:16,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:03:16,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:03:16,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:03:16,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:03:16,993 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:03:16,994 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:03:16,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:03:16,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:03:16,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:03:16,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:03:16,998 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:03:16,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:03:17,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:03:17,003 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:03:17,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:03:17,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:03:17,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:03:17,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:03:17,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:03:17,006 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:03:17,007 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:03:17,007 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:03:17,007 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:03:17,007 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:03:17,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:03:17,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:03:17,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:03:17,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:03:17,009 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:03:17,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:03:17,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:17,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:03:17,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:03:17,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:03:17,014 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:03:17,014 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:03:17,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:03:17,015 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:03:17,015 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:03:17,016 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:03:17,016 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:03:17,016 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_9471c728-1306-450a-8cbd-ee0ebfc5899e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdf8d420988fa0e3e4e64f4a6e0e6e21d2ba2785a36d8ee86aea848cc997bd00 [2024-10-31 22:03:17,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:03:17,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:03:17,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:03:17,480 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:03:17,482 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:03:17,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-20.i Unable to find full path for "g++" [2024-10-31 22:03:19,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:03:19,859 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:03:19,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-20.i [2024-10-31 22:03:19,878 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/data/4bd8b480f/db2770207ddb44cf8b94ae1d89e7a34b/FLAGf89a5c7f5 [2024-10-31 22:03:19,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/data/4bd8b480f/db2770207ddb44cf8b94ae1d89e7a34b [2024-10-31 22:03:19,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:03:19,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:03:19,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:19,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:03:19,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:03:19,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:19" (1/1) ... [2024-10-31 22:03:19,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@665fae0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:19, skipping insertion in model container [2024-10-31 22:03:19,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:19" (1/1) ... [2024-10-31 22:03:19,957 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:03:20,186 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_9471c728-1306-450a-8cbd-ee0ebfc5899e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-20.i[915,928] [2024-10-31 22:03:20,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:20,295 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:03:20,311 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_9471c728-1306-450a-8cbd-ee0ebfc5899e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-20.i[915,928] [2024-10-31 22:03:20,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:20,389 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:03:20,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20 WrapperNode [2024-10-31 22:03:20,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:20,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:20,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:03:20,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:03:20,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,459 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131 [2024-10-31 22:03:20,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:20,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:03:20,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:03:20,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:03:20,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,483 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,509 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 22:03:20,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:03:20,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:03:20,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:03:20,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:03:20,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:20,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:20,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:20,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:03:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:03:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:03:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:03:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:03:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:03:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:03:20,740 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:03:20,743 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:03:27,710 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-31 22:03:27,711 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:03:27,730 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:03:27,731 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:03:27,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:27 BoogieIcfgContainer [2024-10-31 22:03:27,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:03:27,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:03:27,734 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:03:27,737 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:03:27,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:03:19" (1/3) ... [2024-10-31 22:03:27,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9c9174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:27, skipping insertion in model container [2024-10-31 22:03:27,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (2/3) ... [2024-10-31 22:03:27,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9c9174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:27, skipping insertion in model container [2024-10-31 22:03:27,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:27" (3/3) ... [2024-10-31 22:03:27,743 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-20.i [2024-10-31 22:03:27,761 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:03:27,762 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:03:27,827 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:03:27,835 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;@2252b633, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:03:27,835 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:03:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:03:27,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-31 22:03:27,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:27,881 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:27,881 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:03:27,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:27,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1836646745, now seen corresponding path program 1 times [2024-10-31 22:03:27,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:03:27,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1010269924] [2024-10-31 22:03:27,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:27,911 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 22:03:27,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:03:27,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/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 22:03:27,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/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 22:03:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:28,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:03:28,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:03:28,473 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-10-31 22:03:28,473 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:03:28,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:03:28,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1010269924] [2024-10-31 22:03:28,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1010269924] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:28,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:28,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:28,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864450185] [2024-10-31 22:03:28,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:28,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:03:28,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:03:28,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:03:28,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:03:28,519 INFO L87 Difference]: Start difference. First operand has 57 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-31 22:03:28,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:03:28,561 INFO L93 Difference]: Finished difference Result 111 states and 182 transitions. [2024-10-31 22:03:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:03:28,565 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 112 [2024-10-31 22:03:28,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:03:28,573 INFO L225 Difference]: With dead ends: 111 [2024-10-31 22:03:28,573 INFO L226 Difference]: Without dead ends: 53 [2024-10-31 22:03:28,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 111 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 22:03:28,582 INFO L432 NwaCegarLoop]: 81 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, 81 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 22:03:28,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:03:28,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-31 22:03:28,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-10-31 22:03:28,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:03:28,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2024-10-31 22:03:28,640 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 112 [2024-10-31 22:03:28,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:03:28,642 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2024-10-31 22:03:28,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-31 22:03:28,642 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-10-31 22:03:28,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-31 22:03:28,646 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:28,646 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:28,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/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 22:03:28,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/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 22:03:28,847 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:03:28,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:28,849 INFO L85 PathProgramCache]: Analyzing trace with hash -498868269, now seen corresponding path program 1 times [2024-10-31 22:03:28,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:03:28,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [794677880] [2024-10-31 22:03:28,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:28,850 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 22:03:28,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:03:28,852 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/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 22:03:28,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9471c728-1306-450a-8cbd-ee0ebfc5899e/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 22:03:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:29,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-10-31 22:03:29,472 INFO L278 TraceCheckSpWp]: Computing forward predicates...