./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0bb32703a1a606e2807e01726f5de974c1e9bb73efc0f1282bf9d55575a57f53 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:46:07,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:46:08,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:46:08,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:46:08,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:46:08,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:46:08,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:46:08,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:46:08,067 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:46:08,072 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:46:08,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:46:08,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:46:08,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:46:08,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:46:08,076 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:46:08,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:46:08,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:46:08,078 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:46:08,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:46:08,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:46:08,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:46:08,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:46:08,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:46:08,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:46:08,081 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:46:08,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:46:08,082 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:46:08,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:46:08,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:46:08,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:46:08,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:46:08,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:08,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:46:08,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:46:08,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:46:08,087 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:46:08,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:46:08,088 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:46:08,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:46:08,089 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:46:08,089 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:46:08,089 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:46:08,090 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_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb32703a1a606e2807e01726f5de974c1e9bb73efc0f1282bf9d55575a57f53 [2023-11-26 10:46:08,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:46:08,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:46:08,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:46:08,439 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:46:08,440 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:46:08,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-88.i [2023-11-26 10:46:11,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:46:11,843 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:46:11,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-88.i [2023-11-26 10:46:11,854 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/data/334157418/109ec4a35e8f4893ae6e44a42476bd7f/FLAG39ff0e849 [2023-11-26 10:46:11,876 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/data/334157418/109ec4a35e8f4893ae6e44a42476bd7f [2023-11-26 10:46:11,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:46:11,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:46:11,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:11,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:46:11,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:46:11,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:11" (1/1) ... [2023-11-26 10:46:11,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506c3d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:11, skipping insertion in model container [2023-11-26 10:46:11,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:11" (1/1) ... [2023-11-26 10:46:11,929 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:46:12,098 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-88.i[915,928] [2023-11-26 10:46:12,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:12,179 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:46:12,190 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-88.i[915,928] [2023-11-26 10:46:12,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:12,259 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:46:12,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:12 WrapperNode [2023-11-26 10:46:12,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:12,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:12,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:46:12,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:46:12,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:12" (1/1) ... [2023-11-26 10:46:12,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:12" (1/1) ... [2023-11-26 10:46:12,369 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 197 [2023-11-26 10:46:12,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:12,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:46:12,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:46:12,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:46:12,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:12" (1/1) ... [2023-11-26 10:46:12,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:12" (1/1) ... [2023-11-26 10:46:12,389 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:12" (1/1) ... [2023-11-26 10:46:12,414 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:46:12,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:12" (1/1) ... [2023-11-26 10:46:12,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:12" (1/1) ... [2023-11-26 10:46:12,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:12" (1/1) ... [2023-11-26 10:46:12,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:12" (1/1) ... [2023-11-26 10:46:12,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:12" (1/1) ... [2023-11-26 10:46:12,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:12" (1/1) ... [2023-11-26 10:46:12,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:46:12,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:46:12,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:46:12,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:46:12,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:12" (1/1) ... [2023-11-26 10:46:12,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:12,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:12,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:12,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:46:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:46:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:46:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:46:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:46:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:46:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:46:12,697 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:46:12,699 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:46:13,193 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:46:13,275 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:46:13,278 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:46:13,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:13 BoogieIcfgContainer [2023-11-26 10:46:13,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:46:13,283 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:46:13,283 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:46:13,287 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:46:13,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:46:11" (1/3) ... [2023-11-26 10:46:13,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d752eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:13, skipping insertion in model container [2023-11-26 10:46:13,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:12" (2/3) ... [2023-11-26 10:46:13,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d752eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:13, skipping insertion in model container [2023-11-26 10:46:13,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:13" (3/3) ... [2023-11-26 10:46:13,294 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-88.i [2023-11-26 10:46:13,315 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:46:13,315 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:46:13,381 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:46:13,389 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2f8f48f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:46:13,389 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:46:13,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 50 states have (on average 1.48) internal successors, (74), 51 states have internal predecessors, (74), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-26 10:46:13,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-26 10:46:13,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:13,420 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:13,420 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:13,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:13,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1779058489, now seen corresponding path program 1 times [2023-11-26 10:46:13,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:13,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066700070] [2023-11-26 10:46:13,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:13,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:13,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:13,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066700070] [2023-11-26 10:46:13,706 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 10:46:13,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334194482] [2023-11-26 10:46:13,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:13,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:13,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:13,711 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:13,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:46:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:13,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:46:13,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:14,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2023-11-26 10:46:14,067 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:46:14,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334194482] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:14,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:14,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:46:14,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231794412] [2023-11-26 10:46:14,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:14,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:46:14,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:14,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:46:14,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:46:14,135 INFO L87 Difference]: Start difference. First operand has 77 states, 50 states have (on average 1.48) internal successors, (74), 51 states have internal predecessors, (74), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-26 10:46:14,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:14,185 INFO L93 Difference]: Finished difference Result 153 states and 267 transitions. [2023-11-26 10:46:14,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:46:14,188 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 153 [2023-11-26 10:46:14,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:14,198 INFO L225 Difference]: With dead ends: 153 [2023-11-26 10:46:14,198 INFO L226 Difference]: Without dead ends: 75 [2023-11-26 10:46:14,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:46:14,207 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:14,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:46:14,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-26 10:46:14,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-26 10:46:14,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 49 states have internal predecessors, (69), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-26 10:46:14,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 117 transitions. [2023-11-26 10:46:14,266 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 117 transitions. Word has length 153 [2023-11-26 10:46:14,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:14,267 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 117 transitions. [2023-11-26 10:46:14,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-26 10:46:14,267 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 117 transitions. [2023-11-26 10:46:14,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-26 10:46:14,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:14,273 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:14,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 10:46:14,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:14,480 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:14,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:14,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1025247853, now seen corresponding path program 1 times [2023-11-26 10:46:14,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:14,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129253660] [2023-11-26 10:46:14,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:14,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:14,562 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:46:14,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [135711896] [2023-11-26 10:46:14,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:14,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:14,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:14,575 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:14,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:46:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:14,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 10:46:14,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:15,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 519 proven. 45 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2023-11-26 10:46:15,079 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:46:15,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-26 10:46:15,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:15,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129253660] [2023-11-26 10:46:15,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:46:15,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135711896] [2023-11-26 10:46:15,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135711896] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:46:15,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:46:15,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-26 10:46:15,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970681217] [2023-11-26 10:46:15,344 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:46:15,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 10:46:15,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:15,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 10:46:15,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:46:15,352 INFO L87 Difference]: Start difference. First operand 75 states and 117 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-26 10:46:15,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:15,677 INFO L93 Difference]: Finished difference Result 157 states and 240 transitions. [2023-11-26 10:46:15,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 10:46:15,680 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 153 [2023-11-26 10:46:15,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:15,683 INFO L225 Difference]: With dead ends: 157 [2023-11-26 10:46:15,684 INFO L226 Difference]: Without dead ends: 83 [2023-11-26 10:46:15,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 296 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-26 10:46:15,687 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 105 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:15,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 280 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:46:15,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-26 10:46:15,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2023-11-26 10:46:15,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 52 states have internal predecessors, (71), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-26 10:46:15,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 119 transitions. [2023-11-26 10:46:15,707 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 119 transitions. Word has length 153 [2023-11-26 10:46:15,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:15,708 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 119 transitions. [2023-11-26 10:46:15,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-26 10:46:15,708 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 119 transitions. [2023-11-26 10:46:15,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-26 10:46:15,712 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:15,712 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:15,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:15,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:15,919 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:15,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:15,920 INFO L85 PathProgramCache]: Analyzing trace with hash -967989551, now seen corresponding path program 1 times [2023-11-26 10:46:15,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:15,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132400989] [2023-11-26 10:46:15,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:15,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:15,977 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:46:15,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1472001848] [2023-11-26 10:46:15,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:15,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:15,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:15,989 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:16,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:46:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:16,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-26 10:46:16,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:16,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 516 proven. 66 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2023-11-26 10:46:16,835 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:46:20,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 162 proven. 36 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-26 10:46:20,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:20,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132400989] [2023-11-26 10:46:20,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:46:20,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472001848] [2023-11-26 10:46:20,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472001848] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:46:20,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:46:20,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2023-11-26 10:46:20,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019925524] [2023-11-26 10:46:20,889 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:46:20,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-26 10:46:20,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:20,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-26 10:46:20,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=589, Unknown=0, NotChecked=0, Total=756 [2023-11-26 10:46:20,893 INFO L87 Difference]: Start difference. First operand 79 states and 119 transitions. Second operand has 28 states, 28 states have (on average 2.7142857142857144) internal successors, (76), 28 states have internal predecessors, (76), 7 states have call successors, (30), 4 states have call predecessors, (30), 10 states have return successors, (32), 7 states have call predecessors, (32), 7 states have call successors, (32) [2023-11-26 10:46:24,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:24,879 INFO L93 Difference]: Finished difference Result 435 states and 623 transitions. [2023-11-26 10:46:24,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-26 10:46:24,880 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.7142857142857144) internal successors, (76), 28 states have internal predecessors, (76), 7 states have call successors, (30), 4 states have call predecessors, (30), 10 states have return successors, (32), 7 states have call predecessors, (32), 7 states have call successors, (32) Word has length 153 [2023-11-26 10:46:24,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:24,886 INFO L225 Difference]: With dead ends: 435 [2023-11-26 10:46:24,887 INFO L226 Difference]: Without dead ends: 357 [2023-11-26 10:46:24,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 671 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=797, Invalid=2283, Unknown=0, NotChecked=0, Total=3080 [2023-11-26 10:46:24,891 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 863 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 1763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 535 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:24,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [879 Valid, 751 Invalid, 1763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [535 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-26 10:46:24,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2023-11-26 10:46:24,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 150. [2023-11-26 10:46:24,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 102 states have (on average 1.303921568627451) internal successors, (133), 103 states have internal predecessors, (133), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-26 10:46:24,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 213 transitions. [2023-11-26 10:46:24,941 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 213 transitions. Word has length 153 [2023-11-26 10:46:24,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:24,942 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 213 transitions. [2023-11-26 10:46:24,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.7142857142857144) internal successors, (76), 28 states have internal predecessors, (76), 7 states have call successors, (30), 4 states have call predecessors, (30), 10 states have return successors, (32), 7 states have call predecessors, (32), 7 states have call successors, (32) [2023-11-26 10:46:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 213 transitions. [2023-11-26 10:46:24,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-26 10:46:24,946 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:24,947 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:24,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:25,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-26 10:46:25,154 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:25,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:25,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1554795565, now seen corresponding path program 1 times [2023-11-26 10:46:25,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:25,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723348632] [2023-11-26 10:46:25,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:25,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:25,212 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:46:25,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2146957974] [2023-11-26 10:46:25,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:25,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:25,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:25,215 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:25,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 10:46:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:25,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-26 10:46:25,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 533 proven. 24 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2023-11-26 10:46:25,996 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:46:26,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:26,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723348632] [2023-11-26 10:46:26,154 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:46:26,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146957974] [2023-11-26 10:46:26,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146957974] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:46:26,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:46:26,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2023-11-26 10:46:26,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974524976] [2023-11-26 10:46:26,156 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-26 10:46:26,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 10:46:26,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:26,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 10:46:26,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-26 10:46:26,162 INFO L87 Difference]: Start difference. First operand 150 states and 213 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-26 10:46:26,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:26,740 INFO L93 Difference]: Finished difference Result 432 states and 603 transitions. [2023-11-26 10:46:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 10:46:26,742 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 153 [2023-11-26 10:46:26,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:26,747 INFO L225 Difference]: With dead ends: 432 [2023-11-26 10:46:26,747 INFO L226 Difference]: Without dead ends: 283 [2023-11-26 10:46:26,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2023-11-26 10:46:26,750 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 156 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:26,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 481 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 10:46:26,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2023-11-26 10:46:26,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 224. [2023-11-26 10:46:26,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 145 states have (on average 1.2482758620689656) internal successors, (181), 146 states have internal predecessors, (181), 64 states have call successors, (64), 14 states have call predecessors, (64), 14 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-26 10:46:26,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 309 transitions. [2023-11-26 10:46:26,814 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 309 transitions. Word has length 153 [2023-11-26 10:46:26,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:26,815 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 309 transitions. [2023-11-26 10:46:26,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-26 10:46:26,816 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 309 transitions. [2023-11-26 10:46:26,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-26 10:46:26,818 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:26,819 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:26,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:27,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:27,026 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:27,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:27,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1979106801, now seen corresponding path program 1 times [2023-11-26 10:46:27,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:27,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168234097] [2023-11-26 10:46:27,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:27,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:27,057 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:46:27,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [611031561] [2023-11-26 10:46:27,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:27,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:27,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:27,059 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:27,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 10:46:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:27,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:27,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:27,511 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:46:27,512 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:46:27,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:27,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:27,725 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-26 10:46:27,730 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:46:27,842 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 10:46:27,844 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-26 10:46:27,845 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-26 10:46:27,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:46:27 BoogieIcfgContainer [2023-11-26 10:46:27,869 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:46:27,870 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:46:27,870 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:46:27,870 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:46:27,871 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:13" (3/4) ... [2023-11-26 10:46:27,873 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:46:27,874 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:46:27,875 INFO L158 Benchmark]: Toolchain (without parser) took 15992.74ms. Allocated memory was 174.1MB in the beginning and 268.4MB in the end (delta: 94.4MB). Free memory was 127.7MB in the beginning and 214.7MB in the end (delta: -87.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-11-26 10:46:27,876 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 174.1MB. Free memory was 118.0MB in the beginning and 117.9MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:46:27,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.77ms. Allocated memory is still 174.1MB. Free memory was 127.7MB in the beginning and 113.5MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:46:27,876 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.28ms. Allocated memory is still 174.1MB. Free memory was 113.0MB in the beginning and 108.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:46:27,877 INFO L158 Benchmark]: Boogie Preprocessor took 119.05ms. Allocated memory is still 174.1MB. Free memory was 108.7MB in the beginning and 103.0MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:46:27,877 INFO L158 Benchmark]: RCFGBuilder took 788.58ms. Allocated memory is still 174.1MB. Free memory was 103.0MB in the beginning and 77.3MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-26 10:46:27,878 INFO L158 Benchmark]: TraceAbstraction took 14586.08ms. Allocated memory was 174.1MB in the beginning and 268.4MB in the end (delta: 94.4MB). Free memory was 76.2MB in the beginning and 214.7MB in the end (delta: -138.5MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2023-11-26 10:46:27,878 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 268.4MB. Free memory is still 214.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:46:27,880 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 174.1MB. Free memory was 118.0MB in the beginning and 117.9MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.77ms. Allocated memory is still 174.1MB. Free memory was 127.7MB in the beginning and 113.5MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.28ms. Allocated memory is still 174.1MB. Free memory was 113.0MB in the beginning and 108.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.05ms. Allocated memory is still 174.1MB. Free memory was 108.7MB in the beginning and 103.0MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 788.58ms. Allocated memory is still 174.1MB. Free memory was 103.0MB in the beginning and 77.3MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 14586.08ms. Allocated memory was 174.1MB in the beginning and 268.4MB in the end (delta: 94.4MB). Free memory was 76.2MB in the beginning and 214.7MB in the end (delta: -138.5MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 268.4MB. Free memory is still 214.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 143, overapproximation of someBinaryDOUBLEComparisonOperation at line 143. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 15.8; [L23] float var_1_2 = 9.5; [L24] float var_1_4 = 127.6; [L25] double var_1_5 = 100000000000000.5; [L26] double var_1_6 = 100000000000000.7; [L27] double var_1_7 = 256.75; [L28] unsigned char var_1_8 = 0; [L29] unsigned char var_1_9 = 1; [L30] unsigned char var_1_10 = 0; [L31] unsigned char var_1_11 = 0; [L32] signed char var_1_12 = 0; [L33] signed char var_1_13 = 2; [L34] unsigned char var_1_14 = 1; [L35] unsigned char var_1_16 = 10; [L36] unsigned char var_1_18 = 4; [L37] unsigned char var_1_19 = 8; [L38] unsigned char var_1_20 = 8; [L39] unsigned short int var_1_21 = 128; [L40] unsigned char var_1_22 = 0; [L41] unsigned short int var_1_24 = 34649; [L42] unsigned char last_1_var_1_8 = 0; [L43] unsigned short int last_1_var_1_21 = 128; [L44] unsigned char last_1_var_1_22 = 0; [L147] isInitial = 1 [L148] FCALL initially() [L149] int k_loop; [L150] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_2=19/2, var_1_4=638/5, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L150] COND TRUE k_loop < 1 [L151] CALL updateLastVariables() [L138] last_1_var_1_8 = var_1_8 [L139] last_1_var_1_21 = var_1_21 [L140] last_1_var_1_22 = var_1_22 [L151] RET updateLastVariables() [L152] CALL updateVariables() [L98] var_1_2 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_4=638/5, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_4=638/5, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L99] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_4=638/5, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L100] var_1_4 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L101] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L102] var_1_5 = __VERIFIER_nondet_double() [L103] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L103] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L104] var_1_6 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L105] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L106] var_1_7 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L107] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L108] var_1_9 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L109] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L110] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L110] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L111] var_1_10 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L112] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L113] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L113] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L114] var_1_11 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L115] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L116] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L116] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L117] var_1_13 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L118] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L119] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L119] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L120] var_1_16 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L121] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L122] CALL assume_abort_if_not(var_1_16 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L122] RET assume_abort_if_not(var_1_16 <= 255) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L123] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L123] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L124] var_1_18 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L125] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L126] CALL assume_abort_if_not(var_1_18 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L126] RET assume_abort_if_not(var_1_18 <= 64) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L127] var_1_19 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L128] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L129] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L129] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L130] var_1_20 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L131] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L132] CALL assume_abort_if_not(var_1_20 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L132] RET assume_abort_if_not(var_1_20 <= 127) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L133] var_1_24 = __VERIFIER_nondet_ushort() [L134] CALL assume_abort_if_not(var_1_24 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_8=0, var_1_9=1] [L134] RET assume_abort_if_not(var_1_24 >= 32767) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_8=0, var_1_9=1] [L135] CALL assume_abort_if_not(var_1_24 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_8=0, var_1_9=1] [L135] RET assume_abort_if_not(var_1_24 <= 65535) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_8=0, var_1_9=1] [L152] RET updateVariables() [L153] CALL step() [L48] COND FALSE !(64.5f <= var_1_2) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_8=0, var_1_9=1] [L59] COND FALSE !(var_1_1 > ((var_1_1 * var_1_5) + 5.3)) [L66] var_1_8 = var_1_11 VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_8=0, var_1_9=1] [L68] signed long int stepLocal_0 = (last_1_var_1_22 / var_1_16) * last_1_var_1_21; VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, stepLocal_0=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_8=0, var_1_9=1] [L69] COND FALSE !(last_1_var_1_21 < stepLocal_0) [L72] var_1_14 = var_1_18 VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, stepLocal_0=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=0, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_8=0, var_1_9=1] [L74] EXPR var_1_18 << var_1_14 VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, stepLocal_0=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=0, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_8=0, var_1_9=1] [L74] signed long int stepLocal_3 = var_1_18 << var_1_14; [L75] EXPR var_1_14 | var_1_18 VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, stepLocal_0=0, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=0, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_8=0, var_1_9=1] [L75] signed long int stepLocal_2 = (var_1_14 | var_1_18) / (var_1_24 - 1); [L76] COND FALSE !(var_1_19 == stepLocal_3) [L83] var_1_22 = 64 VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, stepLocal_0=0, stepLocal_2=0, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=0, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=64, var_1_24=32767, var_1_8=0, var_1_9=1] [L85] COND FALSE !(((- var_1_1) / 24.75) < var_1_6) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, stepLocal_0=0, stepLocal_2=0, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=0, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=64, var_1_24=32767, var_1_8=0, var_1_9=1] [L92] unsigned char stepLocal_1 = var_1_10; VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=0, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=64, var_1_24=32767, var_1_8=0, var_1_9=1] [L93] COND FALSE !(var_1_8 && stepLocal_1) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=0, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=64, var_1_24=32767, var_1_8=0, var_1_9=1] [L153] RET step() [L154] CALL, EXPR property() [L143] EXPR ((((((64.5f <= var_1_2) ? (last_1_var_1_8 ? ((var_1_2 == var_1_4) ? (var_1_1 == ((double) (var_1_5 + ((((((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) < (50.25)) ? (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) : (50.25)))))) : (var_1_1 == ((double) var_1_7))) : (var_1_1 == ((double) var_1_5))) : 1) && ((var_1_1 > ((var_1_1 * var_1_5) + 5.3)) ? (((var_1_7 + var_1_1) < var_1_6) ? (var_1_8 == ((unsigned char) var_1_9)) : (var_1_8 == ((unsigned char) var_1_10))) : (var_1_8 == ((unsigned char) var_1_11)))) && ((((- var_1_1) / 24.75) < var_1_6) ? ((var_1_7 >= var_1_1) ? (var_1_12 == ((signed char) var_1_13)) : (var_1_12 == ((signed char) var_1_13))) : 1)) && ((last_1_var_1_21 < ((last_1_var_1_22 / var_1_16) * last_1_var_1_21)) ? (var_1_14 == ((unsigned char) ((var_1_18 + var_1_19) + var_1_20))) : (var_1_14 == ((unsigned char) var_1_18)))) && ((var_1_8 && var_1_10) ? (var_1_21 == ((unsigned short int) ((((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) > (2)) ? (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) : (2))))) : 1)) && ((var_1_19 == (var_1_18 << var_1_14)) ? ((last_1_var_1_22 >= ((var_1_14 | var_1_18) / (var_1_24 - 1))) ? (var_1_22 == ((unsigned char) 2)) : (var_1_22 == ((unsigned char) var_1_20))) : (var_1_22 == ((unsigned char) 64))) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=0, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=64, var_1_24=32767, var_1_8=0, var_1_9=1] [L143-L144] return ((((((64.5f <= var_1_2) ? (last_1_var_1_8 ? ((var_1_2 == var_1_4) ? (var_1_1 == ((double) (var_1_5 + ((((((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) < (50.25)) ? (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) : (50.25)))))) : (var_1_1 == ((double) var_1_7))) : (var_1_1 == ((double) var_1_5))) : 1) && ((var_1_1 > ((var_1_1 * var_1_5) + 5.3)) ? (((var_1_7 + var_1_1) < var_1_6) ? (var_1_8 == ((unsigned char) var_1_9)) : (var_1_8 == ((unsigned char) var_1_10))) : (var_1_8 == ((unsigned char) var_1_11)))) && ((((- var_1_1) / 24.75) < var_1_6) ? ((var_1_7 >= var_1_1) ? (var_1_12 == ((signed char) var_1_13)) : (var_1_12 == ((signed char) var_1_13))) : 1)) && ((last_1_var_1_21 < ((last_1_var_1_22 / var_1_16) * last_1_var_1_21)) ? (var_1_14 == ((unsigned char) ((var_1_18 + var_1_19) + var_1_20))) : (var_1_14 == ((unsigned char) var_1_18)))) && ((var_1_8 && var_1_10) ? (var_1_21 == ((unsigned short int) ((((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) > (2)) ? (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) : (2))))) : 1)) && ((var_1_19 == (var_1_18 << var_1_14)) ? ((last_1_var_1_22 >= ((var_1_14 | var_1_18) / (var_1_24 - 1))) ? (var_1_22 == ((unsigned char) 2)) : (var_1_22 == ((unsigned char) var_1_20))) : (var_1_22 == ((unsigned char) 64))) ; [L154] RET, EXPR property() [L154] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=0, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=64, var_1_24=32767, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-127, var_1_14=0, var_1_16=1, var_1_18=0, var_1_19=1, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=64, var_1_24=32767, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.4s, OverallIterations: 5, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1147 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1124 mSDsluCounter, 1626 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1205 mSDsCounter, 645 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1640 IncrementalHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 645 mSolverCounterUnsat, 421 mSDtfsCounter, 1640 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 977 GetRequests, 893 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 722 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=4, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 270 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 918 NumberOfCodeBlocks, 918 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 912 ConstructedInterpolants, 1 QuantifiedInterpolants, 3430 SizeOfPredicates, 24 NumberOfNonLiveVariables, 1406 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 6408/6624 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 10:46:27,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0bb32703a1a606e2807e01726f5de974c1e9bb73efc0f1282bf9d55575a57f53 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:46:30,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:46:30,624 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 10:46:30,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:46:30,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:46:30,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:46:30,661 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:46:30,662 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:46:30,662 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:46:30,663 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:46:30,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:46:30,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:46:30,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:46:30,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:46:30,666 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:46:30,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:46:30,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:46:30,668 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:46:30,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:46:30,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:46:30,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:46:30,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:46:30,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:46:30,672 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:46:30,672 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:46:30,673 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:46:30,673 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:46:30,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:46:30,674 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:46:30,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:46:30,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:46:30,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:46:30,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:46:30,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:30,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:46:30,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:46:30,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:46:30,678 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:46:30,678 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:46:30,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:46:30,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:46:30,680 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:46:30,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:46:30,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:46:30,681 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:46:30,681 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_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb32703a1a606e2807e01726f5de974c1e9bb73efc0f1282bf9d55575a57f53 [2023-11-26 10:46:31,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:46:31,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:46:31,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:46:31,114 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:46:31,115 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:46:31,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-88.i [2023-11-26 10:46:34,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:46:34,661 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:46:34,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-88.i [2023-11-26 10:46:34,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/data/26da7b6f8/60664dffa5ac4828a49b615479fc6af9/FLAG6cbd755ce [2023-11-26 10:46:34,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/data/26da7b6f8/60664dffa5ac4828a49b615479fc6af9 [2023-11-26 10:46:34,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:46:34,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:46:34,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:34,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:46:34,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:46:34,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:34" (1/1) ... [2023-11-26 10:46:34,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317308c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:34, skipping insertion in model container [2023-11-26 10:46:34,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:34" (1/1) ... [2023-11-26 10:46:34,736 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:46:34,897 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-88.i[915,928] [2023-11-26 10:46:34,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:34,973 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:46:34,987 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-88.i[915,928] [2023-11-26 10:46:35,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:35,045 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:46:35,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:35 WrapperNode [2023-11-26 10:46:35,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:35,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:35,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:46:35,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:46:35,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:35" (1/1) ... [2023-11-26 10:46:35,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:35" (1/1) ... [2023-11-26 10:46:35,138 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-26 10:46:35,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:35,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:46:35,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:46:35,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:46:35,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:35" (1/1) ... [2023-11-26 10:46:35,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:35" (1/1) ... [2023-11-26 10:46:35,171 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:35" (1/1) ... [2023-11-26 10:46:35,194 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:46:35,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:35" (1/1) ... [2023-11-26 10:46:35,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:35" (1/1) ... [2023-11-26 10:46:35,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:35" (1/1) ... [2023-11-26 10:46:35,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:35" (1/1) ... [2023-11-26 10:46:35,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:35" (1/1) ... [2023-11-26 10:46:35,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:35" (1/1) ... [2023-11-26 10:46:35,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:46:35,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:46:35,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:46:35,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:46:35,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:35" (1/1) ... [2023-11-26 10:46:35,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:35,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:46:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:46:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:46:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:46:35,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:46:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:46:35,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:46:35,504 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:46:35,506 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:46:56,243 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:46:56,292 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:46:56,292 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:46:56,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:56 BoogieIcfgContainer [2023-11-26 10:46:56,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:46:56,296 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:46:56,296 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:46:56,300 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:46:56,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:46:34" (1/3) ... [2023-11-26 10:46:56,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf3d7b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:56, skipping insertion in model container [2023-11-26 10:46:56,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:35" (2/3) ... [2023-11-26 10:46:56,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf3d7b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:56, skipping insertion in model container [2023-11-26 10:46:56,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:56" (3/3) ... [2023-11-26 10:46:56,303 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-88.i [2023-11-26 10:46:56,323 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:46:56,324 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:46:56,377 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:46:56,384 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@47d9340b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:46:56,385 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:46:56,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-26 10:46:56,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-26 10:46:56,413 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:56,414 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:56,415 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:56,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:56,436 INFO L85 PathProgramCache]: Analyzing trace with hash -432706603, now seen corresponding path program 1 times [2023-11-26 10:46:56,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:46:56,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685364598] [2023-11-26 10:46:56,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:56,454 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:46:56,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:46:56,461 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:46:56,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 10:46:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:57,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:46:57,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:57,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-26 10:46:57,511 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:46:57,512 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:46:57,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1685364598] [2023-11-26 10:46:57,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1685364598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:57,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:57,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:46:57,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327584219] [2023-11-26 10:46:57,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:57,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:46:57,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:46:57,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:46:57,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:46:57,583 INFO L87 Difference]: Start difference. First operand has 65 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-26 10:47:02,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 10:47:02,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:02,529 INFO L93 Difference]: Finished difference Result 129 states and 227 transitions. [2023-11-26 10:47:02,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:47:02,532 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 148 [2023-11-26 10:47:02,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:02,541 INFO L225 Difference]: With dead ends: 129 [2023-11-26 10:47:02,541 INFO L226 Difference]: Without dead ends: 63 [2023-11-26 10:47:02,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:47:02,549 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:02,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2023-11-26 10:47:02,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-26 10:47:02,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-26 10:47:02,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-26 10:47:02,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 97 transitions. [2023-11-26 10:47:02,605 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 97 transitions. Word has length 148 [2023-11-26 10:47:02,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:02,606 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 97 transitions. [2023-11-26 10:47:02,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-26 10:47:02,607 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2023-11-26 10:47:02,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-26 10:47:02,611 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:02,611 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:02,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:02,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:02,832 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:02,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:02,833 INFO L85 PathProgramCache]: Analyzing trace with hash -642818167, now seen corresponding path program 1 times [2023-11-26 10:47:02,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:02,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647608131] [2023-11-26 10:47:02,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:02,835 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:02,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:02,836 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:47:02,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9bd3bf7-68c0-410b-924a-da07629ddb7e/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 10:47:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:03,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:47:03,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:05,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 519 proven. 45 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2023-11-26 10:47:05,017 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:47:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-26 10:47:05,935 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:47:05,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1647608131] [2023-11-26 10:47:05,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1647608131] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:47:05,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:47:05,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-26 10:47:05,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113251011] [2023-11-26 10:47:05,936 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:47:05,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 10:47:05,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:47:05,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 10:47:05,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:47:05,946 INFO L87 Difference]: Start difference. First operand 63 states and 97 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40)