./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-94.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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 2a608cf192602c8fc9805ca3f1921f73fd52102f794f7be756023df45e8b0a1c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:00:13,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:00:13,999 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 12:00:14,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:00:14,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:00:14,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:00:14,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:00:14,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:00:14,057 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:00:14,062 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:00:14,063 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:00:14,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:00:14,065 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:00:14,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:00:14,067 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:00:14,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:00:14,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:00:14,069 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:00:14,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:00:14,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:00:14,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:00:14,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:00:14,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:00:14,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:00:14,072 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:00:14,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:00:14,073 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:00:14,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:00:14,075 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:00:14,075 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:00:14,077 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:00:14,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:14,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:00:14,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:00:14,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:00:14,078 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:00:14,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:00:14,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:00:14,079 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:00:14,079 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:00:14,079 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:00:14,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:00:14,080 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_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a608cf192602c8fc9805ca3f1921f73fd52102f794f7be756023df45e8b0a1c [2023-11-26 12:00:14,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:00:14,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:00:14,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:00:14,476 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:00:14,476 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:00:14,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-94.i [2023-11-26 12:00:17,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:00:17,892 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:00:17,893 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-94.i [2023-11-26 12:00:17,911 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/data/27f0497b0/0b5f3ea12efa4ec39bdc5d6c18b2dd38/FLAG369d79533 [2023-11-26 12:00:17,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/data/27f0497b0/0b5f3ea12efa4ec39bdc5d6c18b2dd38 [2023-11-26 12:00:17,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:00:17,941 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:00:17,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:17,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:00:17,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:00:17,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:17" (1/1) ... [2023-11-26 12:00:17,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673be6cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:17, skipping insertion in model container [2023-11-26 12:00:17,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:17" (1/1) ... [2023-11-26 12:00:17,993 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:00:18,197 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_76d36b82-adc9-4f94-8284-fc7bc7d688b6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-94.i[913,926] [2023-11-26 12:00:18,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:18,309 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:00:18,321 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_76d36b82-adc9-4f94-8284-fc7bc7d688b6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-94.i[913,926] [2023-11-26 12:00:18,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:18,375 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:00:18,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:18 WrapperNode [2023-11-26 12:00:18,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:18,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:18,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:00:18,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:00:18,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:18" (1/1) ... [2023-11-26 12:00:18,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:18" (1/1) ... [2023-11-26 12:00:18,479 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-11-26 12:00:18,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:18,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:00:18,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:00:18,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:00:18,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:18" (1/1) ... [2023-11-26 12:00:18,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:18" (1/1) ... [2023-11-26 12:00:18,505 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:18" (1/1) ... [2023-11-26 12:00:18,527 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 12:00:18,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:18" (1/1) ... [2023-11-26 12:00:18,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:18" (1/1) ... [2023-11-26 12:00:18,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:18" (1/1) ... [2023-11-26 12:00:18,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:18" (1/1) ... [2023-11-26 12:00:18,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:18" (1/1) ... [2023-11-26 12:00:18,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:18" (1/1) ... [2023-11-26 12:00:18,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:00:18,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:00:18,557 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:00:18,557 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:00:18,558 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:18" (1/1) ... [2023-11-26 12:00:18,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:18,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:18,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:18,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:00:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:00:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:00:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:00:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:00:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:00:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:00:18,809 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:00:18,812 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:19,306 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:00:19,392 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:00:19,403 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:00:19,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:19 BoogieIcfgContainer [2023-11-26 12:00:19,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:00:19,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:00:19,408 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:00:19,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:00:19,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:00:17" (1/3) ... [2023-11-26 12:00:19,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc4faaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:19, skipping insertion in model container [2023-11-26 12:00:19,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:18" (2/3) ... [2023-11-26 12:00:19,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc4faaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:19, skipping insertion in model container [2023-11-26 12:00:19,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:19" (3/3) ... [2023-11-26 12:00:19,419 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-94.i [2023-11-26 12:00:19,440 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:00:19,440 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:00:19,506 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:00:19,512 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;@16f02e89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:00:19,512 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:00:19,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-26 12:00:19,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-26 12:00:19,536 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:19,537 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:19,537 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:19,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:19,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1425949820, now seen corresponding path program 1 times [2023-11-26 12:00:19,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:19,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14326929] [2023-11-26 12:00:19,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:19,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:19,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:19,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14326929] [2023-11-26 12:00:19,881 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 12:00:19,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57944400] [2023-11-26 12:00:19,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:19,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:19,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:19,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:19,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 12:00:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:20,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 12:00:20,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:20,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2023-11-26 12:00:20,269 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:20,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57944400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:20,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:20,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:00:20,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954577491] [2023-11-26 12:00:20,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:20,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:00:20,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:20,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:00:20,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:00:20,325 INFO L87 Difference]: Start difference. First operand has 69 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-26 12:00:20,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:20,374 INFO L93 Difference]: Finished difference Result 135 states and 241 transitions. [2023-11-26 12:00:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:00:20,377 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 166 [2023-11-26 12:00:20,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:20,385 INFO L225 Difference]: With dead ends: 135 [2023-11-26 12:00:20,386 INFO L226 Difference]: Without dead ends: 67 [2023-11-26 12:00:20,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 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 12:00:20,394 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:20,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:00:20,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-26 12:00:20,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-26 12:00:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-26 12:00:20,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 103 transitions. [2023-11-26 12:00:20,462 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 103 transitions. Word has length 166 [2023-11-26 12:00:20,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:20,463 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 103 transitions. [2023-11-26 12:00:20,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-26 12:00:20,464 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2023-11-26 12:00:20,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-26 12:00:20,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:20,474 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:20,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:20,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 12:00:20,675 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:20,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:20,676 INFO L85 PathProgramCache]: Analyzing trace with hash -225283402, now seen corresponding path program 1 times [2023-11-26 12:00:20,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:20,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581271637] [2023-11-26 12:00:20,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:20,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:20,802 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:20,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1024066635] [2023-11-26 12:00:20,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:20,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:20,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:20,818 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:20,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 12:00:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:21,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 12:00:21,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-26 12:00:21,579 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:21,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:21,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581271637] [2023-11-26 12:00:21,580 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:00:21,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024066635] [2023-11-26 12:00:21,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024066635] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:21,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:21,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:00:21,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324275366] [2023-11-26 12:00:21,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:21,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:00:21,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:21,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:00:21,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:00:21,593 INFO L87 Difference]: Start difference. First operand 67 states and 103 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-26 12:00:21,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:21,919 INFO L93 Difference]: Finished difference Result 207 states and 316 transitions. [2023-11-26 12:00:21,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:00:21,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 166 [2023-11-26 12:00:21,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:21,926 INFO L225 Difference]: With dead ends: 207 [2023-11-26 12:00:21,927 INFO L226 Difference]: Without dead ends: 141 [2023-11-26 12:00:21,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:00:21,931 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 79 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:21,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 286 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:00:21,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-26 12:00:22,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 133. [2023-11-26 12:00:22,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 76 states have (on average 1.263157894736842) internal successors, (96), 76 states have internal predecessors, (96), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-26 12:00:22,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 204 transitions. [2023-11-26 12:00:22,027 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 204 transitions. Word has length 166 [2023-11-26 12:00:22,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:22,030 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 204 transitions. [2023-11-26 12:00:22,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-26 12:00:22,031 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 204 transitions. [2023-11-26 12:00:22,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-26 12:00:22,038 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:22,039 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:22,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:22,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:22,248 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:22,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:22,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1236341070, now seen corresponding path program 1 times [2023-11-26 12:00:22,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:22,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426567471] [2023-11-26 12:00:22,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:22,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:22,367 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:22,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [739942863] [2023-11-26 12:00:22,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:22,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:22,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:22,374 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:22,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 12:00:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:22,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:00:22,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:22,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-26 12:00:22,905 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:22,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:22,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426567471] [2023-11-26 12:00:22,906 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:00:22,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739942863] [2023-11-26 12:00:22,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739942863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:22,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:22,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:00:22,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453791143] [2023-11-26 12:00:22,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:22,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:00:22,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:22,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:22,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:22,914 INFO L87 Difference]: Start difference. First operand 133 states and 204 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-26 12:00:23,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:23,045 INFO L93 Difference]: Finished difference Result 397 states and 610 transitions. [2023-11-26 12:00:23,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:23,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 166 [2023-11-26 12:00:23,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:23,055 INFO L225 Difference]: With dead ends: 397 [2023-11-26 12:00:23,056 INFO L226 Difference]: Without dead ends: 265 [2023-11-26 12:00:23,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:23,063 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 19 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:23,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 200 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:00:23,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2023-11-26 12:00:23,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 261. [2023-11-26 12:00:23,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 148 states have (on average 1.2297297297297298) internal successors, (182), 148 states have internal predecessors, (182), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-26 12:00:23,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 398 transitions. [2023-11-26 12:00:23,157 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 398 transitions. Word has length 166 [2023-11-26 12:00:23,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:23,158 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 398 transitions. [2023-11-26 12:00:23,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-26 12:00:23,159 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 398 transitions. [2023-11-26 12:00:23,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-26 12:00:23,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:23,162 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:23,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:23,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:23,370 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:23,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:23,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1257401317, now seen corresponding path program 1 times [2023-11-26 12:00:23,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:23,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653509521] [2023-11-26 12:00:23,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:23,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:23,467 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:23,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2111515092] [2023-11-26 12:00:23,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:23,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:23,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:23,474 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:23,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 12:00:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:23,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:00:23,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:24,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-26 12:00:24,008 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:00:24,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-26 12:00:24,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:24,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653509521] [2023-11-26 12:00:24,325 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:00:24,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111515092] [2023-11-26 12:00:24,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111515092] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:00:24,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 12:00:24,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-26 12:00:24,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849697443] [2023-11-26 12:00:24,327 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 12:00:24,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 12:00:24,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:24,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 12:00:24,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-26 12:00:24,330 INFO L87 Difference]: Start difference. First operand 261 states and 398 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-11-26 12:00:25,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:25,158 INFO L93 Difference]: Finished difference Result 833 states and 1241 transitions. [2023-11-26 12:00:25,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-26 12:00:25,161 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 167 [2023-11-26 12:00:25,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:25,170 INFO L225 Difference]: With dead ends: 833 [2023-11-26 12:00:25,170 INFO L226 Difference]: Without dead ends: 573 [2023-11-26 12:00:25,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 326 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2023-11-26 12:00:25,178 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 137 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:25,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 322 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 12:00:25,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2023-11-26 12:00:25,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 277. [2023-11-26 12:00:25,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 160 states have (on average 1.1875) internal successors, (190), 160 states have internal predecessors, (190), 108 states have call successors, (108), 8 states have call predecessors, (108), 8 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-26 12:00:25,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 406 transitions. [2023-11-26 12:00:25,298 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 406 transitions. Word has length 167 [2023-11-26 12:00:25,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:25,299 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 406 transitions. [2023-11-26 12:00:25,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-11-26 12:00:25,300 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 406 transitions. [2023-11-26 12:00:25,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-26 12:00:25,303 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:25,303 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:25,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:25,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:25,511 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:25,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:25,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1515566755, now seen corresponding path program 1 times [2023-11-26 12:00:25,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:25,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349998892] [2023-11-26 12:00:25,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:25,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:25,548 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:25,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [471762924] [2023-11-26 12:00:25,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:25,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:25,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:25,551 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:25,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 12:00:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:25,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:26,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:26,101 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 12:00:26,103 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 12:00:26,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:26,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:26,317 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-26 12:00:26,322 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:00:26,441 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 12:00:26,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-26 12:00:26,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:00:26 BoogieIcfgContainer [2023-11-26 12:00:26,469 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:00:26,470 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:00:26,470 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:00:26,470 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:00:26,470 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:19" (3/4) ... [2023-11-26 12:00:26,473 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 12:00:26,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:00:26,474 INFO L158 Benchmark]: Toolchain (without parser) took 8533.32ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 135.7MB in the beginning and 67.3MB in the end (delta: 68.4MB). Peak memory consumption was 101.4MB. Max. memory is 16.1GB. [2023-11-26 12:00:26,475 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 165.7MB. Free memory was 135.2MB in the beginning and 135.1MB in the end (delta: 78.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:00:26,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.30ms. Allocated memory is still 165.7MB. Free memory was 135.7MB in the beginning and 129.0MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 12:00:26,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.51ms. Allocated memory is still 165.7MB. Free memory was 129.0MB in the beginning and 124.6MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:00:26,476 INFO L158 Benchmark]: Boogie Preprocessor took 76.24ms. Allocated memory is still 165.7MB. Free memory was 124.6MB in the beginning and 116.5MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 12:00:26,476 INFO L158 Benchmark]: RCFGBuilder took 847.26ms. Allocated memory is still 165.7MB. Free memory was 116.5MB in the beginning and 89.6MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-26 12:00:26,477 INFO L158 Benchmark]: TraceAbstraction took 7061.94ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 89.3MB in the beginning and 68.4MB in the end (delta: 20.9MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2023-11-26 12:00:26,477 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 199.2MB. Free memory was 68.4MB in the beginning and 67.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:00:26,480 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 165.7MB. Free memory was 135.2MB in the beginning and 135.1MB in the end (delta: 78.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.30ms. Allocated memory is still 165.7MB. Free memory was 135.7MB in the beginning and 129.0MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.51ms. Allocated memory is still 165.7MB. Free memory was 129.0MB in the beginning and 124.6MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.24ms. Allocated memory is still 165.7MB. Free memory was 124.6MB in the beginning and 116.5MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 847.26ms. Allocated memory is still 165.7MB. Free memory was 116.5MB in the beginning and 89.6MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7061.94ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 89.3MB in the beginning and 68.4MB in the end (delta: 20.9MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 199.2MB. Free memory was 68.4MB in the beginning and 67.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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~nondet20 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 someBinaryDOUBLEComparisonOperation at line 138, overapproximation of shiftLeft at line 138, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed char var_1_3 = 1; [L24] unsigned char var_1_6 = 1; [L25] unsigned char var_1_7 = 0; [L26] signed long int var_1_8 = 50; [L27] double var_1_9 = 32.7; [L28] double var_1_10 = 64.25; [L29] double var_1_11 = 10.3; [L30] double var_1_12 = 3.3; [L31] double var_1_13 = 16.5; [L32] double var_1_14 = 7.125; [L33] unsigned short int var_1_15 = 50; [L34] unsigned short int var_1_16 = 16; [L35] unsigned short int var_1_17 = 8; [L36] unsigned short int var_1_18 = 64; [L37] unsigned long int var_1_19 = 16; [L38] signed short int var_1_20 = 100; [L39] signed short int var_1_21 = 2; [L40] signed short int var_1_22 = 8; [L41] signed long int var_1_23 = -4; [L42] unsigned short int var_1_24 = 128; [L43] signed long int var_1_25 = 2; [L44] unsigned short int var_1_26 = 256; [L45] unsigned char var_1_27 = 0; [L46] signed long int last_1_var_1_8 = 50; [L47] unsigned long int last_1_var_1_19 = 16; [L48] unsigned char last_1_var_1_27 = 0; [L142] isInitial = 1 [L143] FCALL initially() [L144] COND TRUE 1 [L145] CALL updateLastVariables() [L133] last_1_var_1_8 = var_1_8 [L134] last_1_var_1_19 = var_1_19 [L135] last_1_var_1_27 = var_1_27 [L145] RET updateLastVariables() [L146] CALL updateVariables() [L89] var_1_3 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_3 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L90] RET assume_abort_if_not(var_1_3 >= -128) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L91] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L91] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L92] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L92] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L93] var_1_6 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L94] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L95] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L95] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L96] var_1_7 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_8=50, var_1_9=327/10] [L97] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_8=50, var_1_9=327/10] [L98] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L98] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L99] var_1_10 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L100] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L101] var_1_11 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L102] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L103] var_1_12 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L104] RET assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L105] var_1_13 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L106] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L107] var_1_14 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L108] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L109] var_1_16 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L110] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L111] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L111] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L112] var_1_17 = __VERIFIER_nondet_ushort() [L113] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L113] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L114] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L114] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L115] var_1_18 = __VERIFIER_nondet_ushort() [L116] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L116] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L117] CALL assume_abort_if_not(var_1_18 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L117] RET assume_abort_if_not(var_1_18 <= 65534) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L118] var_1_20 = __VERIFIER_nondet_short() [L119] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L119] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L120] CALL assume_abort_if_not(var_1_20 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L120] RET assume_abort_if_not(var_1_20 <= 32767) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L121] var_1_21 = __VERIFIER_nondet_short() [L122] CALL assume_abort_if_not(var_1_21 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L122] RET assume_abort_if_not(var_1_21 >= -1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L123] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L123] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L124] var_1_22 = __VERIFIER_nondet_short() [L125] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L125] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L126] CALL assume_abort_if_not(var_1_22 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L126] RET assume_abort_if_not(var_1_22 <= 32767) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L127] var_1_24 = __VERIFIER_nondet_ushort() [L128] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L128] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L129] CALL assume_abort_if_not(var_1_24 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L129] RET assume_abort_if_not(var_1_24 <= 65535) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L130] CALL assume_abort_if_not(var_1_24 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L130] RET assume_abort_if_not(var_1_24 != 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L146] RET updateVariables() [L147] CALL step() [L52] EXPR -1 << last_1_var_1_19 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L52] signed long int stepLocal_1 = -1 << last_1_var_1_19; [L53] unsigned long int stepLocal_0 = -1000000000 + last_1_var_1_19; VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=126, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L54] COND TRUE stepLocal_1 < var_1_3 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=126, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L55] COND FALSE !((last_1_var_1_19 / var_1_3) > stepLocal_0) [L58] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=126, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L61] var_1_9 = (((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))) + (var_1_12 + (var_1_13 - var_1_14))) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=126, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] [L62] COND TRUE var_1_10 >= var_1_11 [L63] var_1_15 = ((((((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) > (var_1_18)) ? (((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) : (var_1_18))) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=126, var_1_15=65534, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] [L65] var_1_25 = -256 [L66] var_1_26 = var_1_17 [L67] var_1_27 = var_1_6 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=126, var_1_15=65534, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=32717, var_1_25=-256, var_1_26=65534, var_1_27=1, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] [L68] COND FALSE !(var_1_7 || var_1_1) [L79] var_1_8 = last_1_var_1_8 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=126, var_1_15=65534, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=-4, var_1_24=32717, var_1_25=-256, var_1_26=65534, var_1_27=1, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] [L81] COND TRUE var_1_6 || (var_1_16 <= (var_1_22 / var_1_24)) [L82] var_1_23 = (((((var_1_8 + (var_1_21 + var_1_24))) < (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((var_1_8 + (var_1_21 + var_1_24))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=126, var_1_15=65534, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=65534, var_1_24=32717, var_1_25=-256, var_1_26=65534, var_1_27=1, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] [L84] COND FALSE !((((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))) - var_1_22) >= var_1_23) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=126, var_1_15=65534, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=65534, var_1_24=32717, var_1_25=-256, var_1_26=65534, var_1_27=1, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] [L147] RET step() [L148] CALL, EXPR property() [L138] EXPR -1 << last_1_var_1_19 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=65534, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=65534, var_1_24=32717, var_1_25=-256, var_1_26=65534, var_1_27=1, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] [L138-L139] return ((((((((((-1 << last_1_var_1_19) < var_1_3) ? (((last_1_var_1_19 / var_1_3) > (-1000000000 + last_1_var_1_19)) ? (var_1_1 == ((unsigned char) (last_1_var_1_27 || var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) : 1) && ((var_1_7 || var_1_1) ? (((var_1_26 >= var_1_3) && var_1_1) ? (var_1_8 == ((signed long int) ((((var_1_3) < (var_1_26)) ? (var_1_3) : (var_1_26))))) : (var_1_1 ? (var_1_8 == ((signed long int) last_1_var_1_8)) : (var_1_8 == ((signed long int) last_1_var_1_8)))) : (var_1_8 == ((signed long int) last_1_var_1_8)))) && (var_1_9 == ((double) (((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))) + (var_1_12 + (var_1_13 - var_1_14)))))) && ((var_1_10 >= var_1_11) ? (var_1_15 == ((unsigned short int) ((((((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) > (var_1_18)) ? (((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) : (var_1_18))))) : 1)) && (((((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))) - var_1_22) >= var_1_23) ? (var_1_19 == ((unsigned long int) ((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_6 || (var_1_16 <= (var_1_22 / var_1_24))) ? (var_1_23 == ((signed long int) (((((var_1_8 + (var_1_21 + var_1_24))) < (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((var_1_8 + (var_1_21 + var_1_24))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))))) : 1)) && (var_1_25 == ((signed long int) -256))) && (var_1_26 == ((unsigned short int) var_1_17))) && (var_1_27 == ((unsigned char) var_1_6)) ; [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=65534, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=65534, var_1_24=32717, var_1_25=-256, var_1_26=65534, var_1_27=1, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=65534, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=-1, var_1_21=32767, var_1_22=32716, var_1_23=65534, var_1_24=32717, var_1_25=-256, var_1_26=65534, var_1_27=1, var_1_3=127, var_1_6=1, var_1_7=0, var_1_8=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 5, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 240 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 908 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 530 mSDsCounter, 187 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 365 IncrementalHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 187 mSolverCounterUnsat, 378 mSDtfsCounter, 365 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 846 GetRequests, 818 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 308 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 998 NumberOfCodeBlocks, 998 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 827 ConstructedInterpolants, 0 QuantifiedInterpolants, 2205 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1567 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 6882/7020 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 12:00:26,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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 2a608cf192602c8fc9805ca3f1921f73fd52102f794f7be756023df45e8b0a1c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:00:29,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:00:29,537 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 12:00:29,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:00:29,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:00:29,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:00:29,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:00:29,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:00:29,615 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:00:29,617 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:00:29,618 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:00:29,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:00:29,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:00:29,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:00:29,620 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:00:29,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:00:29,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:00:29,621 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:00:29,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:00:29,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:00:29,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:00:29,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:00:29,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:00:29,625 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 12:00:29,625 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 12:00:29,626 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 12:00:29,626 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:00:29,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:00:29,627 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:00:29,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:00:29,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:00:29,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:00:29,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:00:29,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:29,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:00:29,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:00:29,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:00:29,632 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 12:00:29,633 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 12:00:29,633 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:00:29,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:00:29,634 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:00:29,634 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:00:29,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:00:29,635 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 12:00:29,635 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_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a608cf192602c8fc9805ca3f1921f73fd52102f794f7be756023df45e8b0a1c [2023-11-26 12:00:30,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:00:30,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:00:30,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:00:30,071 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:00:30,071 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:00:30,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-94.i [2023-11-26 12:00:33,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:00:33,640 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:00:33,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-94.i [2023-11-26 12:00:33,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/data/3b001ae21/7e35cd347e93425992ef23f3b93f31fc/FLAGb52c9f098 [2023-11-26 12:00:33,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/data/3b001ae21/7e35cd347e93425992ef23f3b93f31fc [2023-11-26 12:00:33,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:00:33,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:00:33,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:33,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:00:33,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:00:33,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:33" (1/1) ... [2023-11-26 12:00:33,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec0760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:33, skipping insertion in model container [2023-11-26 12:00:33,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:33" (1/1) ... [2023-11-26 12:00:33,732 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:00:33,933 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_76d36b82-adc9-4f94-8284-fc7bc7d688b6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-94.i[913,926] [2023-11-26 12:00:34,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:34,073 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:00:34,091 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_76d36b82-adc9-4f94-8284-fc7bc7d688b6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-94.i[913,926] [2023-11-26 12:00:34,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:34,184 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:00:34,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:34 WrapperNode [2023-11-26 12:00:34,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:34,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:34,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:00:34,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:00:34,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:34" (1/1) ... [2023-11-26 12:00:34,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:34" (1/1) ... [2023-11-26 12:00:34,277 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 159 [2023-11-26 12:00:34,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:34,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:00:34,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:00:34,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:00:34,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:34" (1/1) ... [2023-11-26 12:00:34,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:34" (1/1) ... [2023-11-26 12:00:34,297 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:34" (1/1) ... [2023-11-26 12:00:34,312 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 12:00:34,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:34" (1/1) ... [2023-11-26 12:00:34,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:34" (1/1) ... [2023-11-26 12:00:34,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:34" (1/1) ... [2023-11-26 12:00:34,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:34" (1/1) ... [2023-11-26 12:00:34,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:34" (1/1) ... [2023-11-26 12:00:34,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:34" (1/1) ... [2023-11-26 12:00:34,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:00:34,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:00:34,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:00:34,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:00:34,388 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:34" (1/1) ... [2023-11-26 12:00:34,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:34,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:34,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:34,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:00:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:00:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 12:00:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:00:34,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:00:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:00:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:00:34,613 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:00:34,634 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:38,378 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:00:38,463 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:00:38,463 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:00:38,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:38 BoogieIcfgContainer [2023-11-26 12:00:38,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:00:38,467 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:00:38,467 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:00:38,470 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:00:38,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:00:33" (1/3) ... [2023-11-26 12:00:38,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130a2fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:38, skipping insertion in model container [2023-11-26 12:00:38,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:34" (2/3) ... [2023-11-26 12:00:38,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130a2fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:38, skipping insertion in model container [2023-11-26 12:00:38,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:38" (3/3) ... [2023-11-26 12:00:38,474 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-94.i [2023-11-26 12:00:38,494 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:00:38,494 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:00:38,556 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:00:38,562 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;@71ceb0a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:00:38,562 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:00:38,567 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-26 12:00:38,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-26 12:00:38,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:38,588 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:38,590 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:38,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:38,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1209995648, now seen corresponding path program 1 times [2023-11-26 12:00:38,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:00:38,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779814192] [2023-11-26 12:00:38,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:38,616 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 12:00:38,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:00:38,634 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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 12:00:38,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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 12:00:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:39,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 12:00:39,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:39,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 692 proven. 0 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2023-11-26 12:00:39,257 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:39,257 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:00:39,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779814192] [2023-11-26 12:00:39,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [779814192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:39,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:39,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:00:39,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456500339] [2023-11-26 12:00:39,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:39,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:00:39,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:00:39,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:00:39,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:00:39,300 INFO L87 Difference]: Start difference. First operand has 65 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-26 12:00:42,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:42,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:42,253 INFO L93 Difference]: Finished difference Result 127 states and 229 transitions. [2023-11-26 12:00:42,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:00:42,294 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 162 [2023-11-26 12:00:42,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:42,302 INFO L225 Difference]: With dead ends: 127 [2023-11-26 12:00:42,302 INFO L226 Difference]: Without dead ends: 63 [2023-11-26 12:00:42,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 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 12:00:42,311 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:42,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-26 12:00:42,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-26 12:00:42,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-26 12:00:42,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-26 12:00:42,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 97 transitions. [2023-11-26 12:00:42,366 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 97 transitions. Word has length 162 [2023-11-26 12:00:42,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:42,367 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 97 transitions. [2023-11-26 12:00:42,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-26 12:00:42,368 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2023-11-26 12:00:42,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-26 12:00:42,372 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:42,373 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:42,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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 12:00:42,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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 12:00:42,587 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:42,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:42,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1174457934, now seen corresponding path program 1 times [2023-11-26 12:00:42,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:00:42,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1216139084] [2023-11-26 12:00:42,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:42,590 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 12:00:42,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:00:42,591 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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 12:00:42,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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 12:00:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:43,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:00:43,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-26 12:00:44,078 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:44,078 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:00:44,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1216139084] [2023-11-26 12:00:44,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1216139084] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:44,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:44,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:00:44,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315276717] [2023-11-26 12:00:44,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:44,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:00:44,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:00:44,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:00:44,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:00:44,090 INFO L87 Difference]: Start difference. First operand 63 states and 97 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-26 12:00:48,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:51,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:54,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:54,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:54,348 INFO L93 Difference]: Finished difference Result 193 states and 295 transitions. [2023-11-26 12:00:54,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:00:54,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 162 [2023-11-26 12:00:54,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:54,389 INFO L225 Difference]: With dead ends: 193 [2023-11-26 12:00:54,389 INFO L226 Difference]: Without dead ends: 131 [2023-11-26 12:00:54,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:00:54,392 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 80 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 55 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:54,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 373 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2023-11-26 12:00:54,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-26 12:00:54,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 123. [2023-11-26 12:00:54,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 66 states have (on average 1.2575757575757576) internal successors, (83), 66 states have internal predecessors, (83), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-26 12:00:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 191 transitions. [2023-11-26 12:00:54,444 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 191 transitions. Word has length 162 [2023-11-26 12:00:54,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:54,446 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 191 transitions. [2023-11-26 12:00:54,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-26 12:00:54,447 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 191 transitions. [2023-11-26 12:00:54,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-26 12:00:54,450 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:54,451 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:54,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:54,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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 12:00:54,664 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:54,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:54,664 INFO L85 PathProgramCache]: Analyzing trace with hash 2126088414, now seen corresponding path program 1 times [2023-11-26 12:00:54,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:00:54,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549245907] [2023-11-26 12:00:54,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:54,666 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 12:00:54,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:00:54,667 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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 12:00:54,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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 (4)] Waiting until timeout for monitored process [2023-11-26 12:00:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:55,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 12:00:55,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:55,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-26 12:00:55,918 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:00:56,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-26 12:00:56,448 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:00:56,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549245907] [2023-11-26 12:00:56,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [549245907] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:00:56,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 12:00:56,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-26 12:00:56,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28393755] [2023-11-26 12:00:56,450 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 12:00:56,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 12:00:56,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:00:56,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 12:00:56,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-26 12:00:56,454 INFO L87 Difference]: Start difference. First operand 123 states and 191 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-11-26 12:01:01,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 12:01:05,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 12:01:07,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 12:01:09,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:09,380 INFO L93 Difference]: Finished difference Result 519 states and 781 transitions. [2023-11-26 12:01:09,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-26 12:01:09,381 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 163 [2023-11-26 12:01:09,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:01:09,388 INFO L225 Difference]: With dead ends: 519 [2023-11-26 12:01:09,388 INFO L226 Difference]: Without dead ends: 397 [2023-11-26 12:01:09,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 318 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2023-11-26 12:01:09,393 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 165 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 194 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-11-26 12:01:09,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 217 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 271 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2023-11-26 12:01:09,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2023-11-26 12:01:09,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 202. [2023-11-26 12:01:09,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 114 states have (on average 1.2017543859649122) internal successors, (137), 114 states have internal predecessors, (137), 81 states have call successors, (81), 6 states have call predecessors, (81), 6 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-26 12:01:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 299 transitions. [2023-11-26 12:01:09,528 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 299 transitions. Word has length 163 [2023-11-26 12:01:09,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:01:09,534 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 299 transitions. [2023-11-26 12:01:09,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-11-26 12:01:09,535 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 299 transitions. [2023-11-26 12:01:09,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-26 12:01:09,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:01:09,540 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:09,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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 (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:09,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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 12:01:09,741 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:01:09,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:09,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1733061404, now seen corresponding path program 1 times [2023-11-26 12:01:09,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:01:09,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1463886987] [2023-11-26 12:01:09,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:09,743 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 12:01:09,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:01:09,745 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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 12:01:09,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d36b82-adc9-4f94-8284-fc7bc7d688b6/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 (5)] Waiting until timeout for monitored process [2023-11-26 12:01:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:11,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-26 12:01:11,992 INFO L285 TraceCheckSpWp]: Computing forward predicates...