./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d1e5617ddd00267d862b011fbefdf19a5301960803db1d9715e6a52f4d72a1be --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:31:33,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:31:34,013 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:31:34,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:31:34,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:31:34,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:31:34,070 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:31:34,071 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:31:34,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:31:34,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:31:34,080 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:31:34,081 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:31:34,081 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:31:34,083 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:31:34,084 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:31:34,084 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:31:34,085 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:31:34,085 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:31:34,087 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:31:34,088 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:31:34,089 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:31:34,089 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:31:34,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:31:34,091 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:31:34,091 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:31:34,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:31:34,092 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:31:34,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:31:34,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:31:34,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:31:34,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:31:34,095 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:31:34,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:31:34,096 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:31:34,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:31:34,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:31:34,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:31:34,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:34,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:31:34,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:31:34,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:31:34,098 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:31:34,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:31:34,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:31:34,100 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:31:34,100 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:31:34,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:31:34,100 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1e5617ddd00267d862b011fbefdf19a5301960803db1d9715e6a52f4d72a1be [2023-11-23 21:31:34,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:31:34,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:31:34,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:31:34,451 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:31:34,451 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:31:34,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-0.i [2023-11-23 21:31:37,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:31:37,785 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:31:37,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-0.i [2023-11-23 21:31:37,797 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/data/8a83c301b/9322231c7ade4ae38bf7e2df31c7c0b4/FLAG7b74cc251 [2023-11-23 21:31:37,812 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/data/8a83c301b/9322231c7ade4ae38bf7e2df31c7c0b4 [2023-11-23 21:31:37,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:31:37,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:31:37,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:37,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:31:37,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:31:37,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:37" (1/1) ... [2023-11-23 21:31:37,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5fedcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:37, skipping insertion in model container [2023-11-23 21:31:37,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:37" (1/1) ... [2023-11-23 21:31:37,893 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:31:38,053 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_64481052-c49e-410e-9476-d118f41bb6c8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-0.i[915,928] [2023-11-23 21:31:38,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:38,171 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:31:38,184 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_64481052-c49e-410e-9476-d118f41bb6c8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-0.i[915,928] [2023-11-23 21:31:38,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:38,270 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:31:38,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:38 WrapperNode [2023-11-23 21:31:38,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:38,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:38,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:31:38,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:31:38,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:38" (1/1) ... [2023-11-23 21:31:38,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:38" (1/1) ... [2023-11-23 21:31:38,389 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 246 [2023-11-23 21:31:38,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:38,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:31:38,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:31:38,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:31:38,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:38" (1/1) ... [2023-11-23 21:31:38,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:38" (1/1) ... [2023-11-23 21:31:38,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:38" (1/1) ... [2023-11-23 21:31:38,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:38" (1/1) ... [2023-11-23 21:31:38,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:38" (1/1) ... [2023-11-23 21:31:38,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:38" (1/1) ... [2023-11-23 21:31:38,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:38" (1/1) ... [2023-11-23 21:31:38,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:38" (1/1) ... [2023-11-23 21:31:38,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:31:38,563 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:31:38,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:31:38,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:31:38,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:38" (1/1) ... [2023-11-23 21:31:38,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:38,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:38,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:31:38,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:31:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:31:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:31:38,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:31:38,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:31:38,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:31:38,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:31:38,780 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:31:38,783 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:31:39,514 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:31:39,995 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:31:39,995 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:31:39,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:39 BoogieIcfgContainer [2023-11-23 21:31:39,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:31:40,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:31:40,002 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:31:40,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:31:40,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:31:37" (1/3) ... [2023-11-23 21:31:40,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7202ed33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:40, skipping insertion in model container [2023-11-23 21:31:40,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:38" (2/3) ... [2023-11-23 21:31:40,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7202ed33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:40, skipping insertion in model container [2023-11-23 21:31:40,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:39" (3/3) ... [2023-11-23 21:31:40,011 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-0.i [2023-11-23 21:31:40,033 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:31:40,034 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:31:40,087 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:31:40,094 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=FINITE_AUTOMATA, 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;@6ecb8806, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:31:40,095 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:31:40,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-23 21:31:40,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 21:31:40,111 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:40,112 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:31:40,113 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:31:40,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:40,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1316909415, now seen corresponding path program 1 times [2023-11-23 21:31:40,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:31:40,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347802992] [2023-11-23 21:31:40,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:40,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:31:40,377 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:31:40,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1559126267] [2023-11-23 21:31:40,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:40,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:31:40,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:40,382 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:31:40,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:31:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:31:41,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:31:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:31:41,873 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:31:41,876 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:31:41,877 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:31:41,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:31:42,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:31:42,091 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:31:42,095 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:31:42,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:31:42 BoogieIcfgContainer [2023-11-23 21:31:42,215 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:31:42,215 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:31:42,215 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:31:42,216 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:31:42,216 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:39" (3/4) ... [2023-11-23 21:31:42,218 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:31:42,219 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:31:42,221 INFO L158 Benchmark]: Toolchain (without parser) took 4403.67ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 76.6MB in the beginning and 79.5MB in the end (delta: -2.9MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-11-23 21:31:42,221 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:31:42,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.02ms. Allocated memory is still 121.6MB. Free memory was 76.6MB in the beginning and 59.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:31:42,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.97ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 59.8MB in the beginning and 113.4MB in the end (delta: -53.7MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-11-23 21:31:42,226 INFO L158 Benchmark]: Boogie Preprocessor took 170.12ms. Allocated memory is still 146.8MB. Free memory was 113.4MB in the beginning and 112.0MB in the end (delta: 1.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-11-23 21:31:42,226 INFO L158 Benchmark]: RCFGBuilder took 1434.86ms. Allocated memory is still 146.8MB. Free memory was 112.0MB in the beginning and 67.8MB in the end (delta: 44.3MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2023-11-23 21:31:42,227 INFO L158 Benchmark]: TraceAbstraction took 2213.15ms. Allocated memory is still 146.8MB. Free memory was 66.7MB in the beginning and 79.5MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:31:42,227 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 146.8MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:31:42,231 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.02ms. Allocated memory is still 121.6MB. Free memory was 76.6MB in the beginning and 59.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.97ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 59.8MB in the beginning and 113.4MB in the end (delta: -53.7MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 170.12ms. Allocated memory is still 146.8MB. Free memory was 113.4MB in the beginning and 112.0MB in the end (delta: 1.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1434.86ms. Allocated memory is still 146.8MB. Free memory was 112.0MB in the beginning and 67.8MB in the end (delta: 44.3MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2213.15ms. Allocated memory is still 146.8MB. Free memory was 66.7MB in the beginning and 79.5MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 146.8MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 169, overapproximation of bitwiseOr at line 86, overapproximation of someUnaryDOUBLEoperation at line 34, overapproximation of bitwiseAnd at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someBinaryArithmeticFLOAToperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] double var_1_2 = 99999999999.3; [L24] double var_1_3 = 1.7; [L25] signed long int var_1_6 = 2; [L26] signed long int var_1_8 = 1427256974; [L27] signed short int var_1_11 = 0; [L28] signed long int var_1_14 = 256; [L29] unsigned short int var_1_15 = 2; [L30] signed short int var_1_19 = 32; [L31] double var_1_23 = 4.7; [L32] double var_1_24 = 0.0; [L33] double var_1_25 = 128.25; [L34] float var_1_26 = -0.2; [L35] float var_1_27 = 31.25; [L36] float var_1_28 = 24.4; [L37] unsigned char var_1_29 = 1; [L38] unsigned char var_1_30 = 236; [L39] unsigned char var_1_31 = 5; [L40] unsigned char var_1_32 = 1; [L41] unsigned char var_1_33 = 64; [L42] unsigned char var_1_34 = 100; [L43] unsigned char var_1_35 = 5; [L44] double var_1_36 = 7.5; [L45] signed short int var_1_37 = 16; [L46] unsigned char var_1_38 = 64; [L47] signed char var_1_39 = -1; [L48] unsigned char var_1_40 = 0; [L49] unsigned char var_1_41 = 0; [L50] unsigned short int last_1_var_1_15 = 2; [L173] isInitial = 1 [L174] FCALL initially() [L175] COND TRUE 1 [L176] CALL updateLastVariables() [L166] last_1_var_1_15 = var_1_15 [L176] RET updateLastVariables() [L177] CALL updateVariables() [L128] var_1_2 = __VERIFIER_nondet_double() [L129] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_24=0, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_3=17/10, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1427256974] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_24=0, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_3=17/10, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1427256974] [L130] var_1_3 = __VERIFIER_nondet_double() [L131] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_24=0, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1427256974] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_24=0, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1427256974] [L132] var_1_8 = __VERIFIER_nondet_long() [L133] CALL assume_abort_if_not(var_1_8 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_24=0, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_8 >= 1073741823) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_24=0, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L134] CALL assume_abort_if_not(var_1_8 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_24=0, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_8 <= 2147483646) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_24=0, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L135] var_1_24 = __VERIFIER_nondet_double() [L136] CALL assume_abort_if_not((var_1_24 >= 4611686.018427382800e+12F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_24 >= 4611686.018427382800e+12F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L137] var_1_25 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_25 >= 0.0F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_25 >= 0.0F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L139] var_1_27 = __VERIFIER_nondet_float() [L140] CALL assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 2305843.009213691390e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 2305843.009213691390e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L141] var_1_28 = __VERIFIER_nondet_float() [L142] CALL assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L143] var_1_30 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_30 >= 222) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_30 >= 222) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L145] CALL assume_abort_if_not(var_1_30 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_30 <= 254) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L146] var_1_31 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L148] CALL assume_abort_if_not(var_1_31 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_31 <= 32) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L149] var_1_32 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L151] CALL assume_abort_if_not(var_1_32 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_32 <= 63) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L152] var_1_33 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_33 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_33 >= 63) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L154] CALL assume_abort_if_not(var_1_33 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_33 <= 127) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L155] var_1_34 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_34 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=64, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_34 >= 63) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=64, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L157] CALL assume_abort_if_not(var_1_34 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=64, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_34 <= 127) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=64, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L158] var_1_35 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=64, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=64, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L160] CALL assume_abort_if_not(var_1_35 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=64, var_1_35=0, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_35 <= 63) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=64, var_1_35=0, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1073741823] [L161] var_1_41 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_41 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=64, var_1_35=0, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=1, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_41 >= 1) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=64, var_1_35=0, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=1, var_1_6=2, var_1_8=1073741823] [L163] CALL assume_abort_if_not(var_1_41 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=64, var_1_35=0, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=1, var_1_6=2, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_41 <= 1) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=64, var_1_35=0, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=1, var_1_6=2, var_1_8=1073741823] [L177] RET updateVariables() [L178] CALL step() [L54] var_1_38 = var_1_31 [L55] var_1_39 = var_1_31 [L56] var_1_40 = var_1_41 [L57] unsigned char stepLocal_4 = var_1_40; [L58] COND TRUE stepLocal_4 && var_1_40 [L59] var_1_29 = (((var_1_30 - var_1_31) - var_1_32) - (((((var_1_33) > (var_1_34)) ? (var_1_33) : (var_1_34))) - ((((var_1_35) < 0 ) ? -(var_1_35) : (var_1_35))))) [L61] COND TRUE \read(var_1_40) [L62] var_1_36 = (var_1_28 + var_1_27) [L66] signed long int stepLocal_1 = ~ var_1_29; [L67] COND TRUE stepLocal_1 < var_1_8 [L68] var_1_14 = ((((var_1_39) > (var_1_29)) ? (var_1_39) : (var_1_29))) [L70] unsigned char stepLocal_2 = var_1_29; [L71] COND TRUE (last_1_var_1_15 + var_1_39) > stepLocal_2 [L72] COND TRUE \read(var_1_40) [L73] var_1_15 = (((((var_1_38) < (var_1_38)) ? (var_1_38) : (var_1_38))) + var_1_29) [L78] unsigned char stepLocal_3 = var_1_40; [L79] COND TRUE var_1_40 && stepLocal_3 [L80] var_1_19 = (var_1_29 + var_1_29) [L82] COND TRUE ((((var_1_19) < (var_1_38)) ? (var_1_19) : (var_1_38))) > (var_1_38 - ((((var_1_15) > (5)) ? (var_1_15) : (5)))) [L83] var_1_23 = (10.65 - (var_1_24 - var_1_25)) [L85] COND FALSE !(var_1_38 > var_1_38) [L90] COND TRUE (var_1_2 - var_1_3) == (- var_1_26) [L91] COND TRUE var_1_3 <= ((var_1_26 * 1.5) + 127.4) [L92] var_1_1 = var_1_29 [L99] var_1_6 = (var_1_15 - (((((var_1_8 - var_1_15)) < (var_1_38)) ? ((var_1_8 - var_1_15)) : (var_1_38)))) [L100] signed long int stepLocal_0 = var_1_8; [L101] COND TRUE \read(var_1_40) [L102] var_1_11 = var_1_39 [L108] unsigned char stepLocal_7 = var_1_40; [L109] signed char stepLocal_6 = var_1_39; [L110] unsigned char stepLocal_5 = var_1_29; [L111] COND FALSE !(((var_1_35 / var_1_34) % var_1_30) >= stepLocal_5) [L124] var_1_37 = var_1_32 [L178] RET step() [L179] CALL, EXPR property() [L169] EXPR (((((((((var_1_2 - var_1_3) == (- var_1_26)) ? ((var_1_3 <= ((var_1_26 * 1.5) + 127.4)) ? (var_1_1 == ((signed short int) var_1_29)) : (var_1_1 == ((signed short int) var_1_29))) : (var_1_1 == ((signed short int) var_1_29))) && (var_1_6 == ((signed long int) (var_1_15 - (((((var_1_8 - var_1_15)) < (var_1_38)) ? ((var_1_8 - var_1_15)) : (var_1_38))))))) && (var_1_40 ? (var_1_11 == ((signed short int) var_1_39)) : ((var_1_8 <= ((((var_1_1) > (var_1_39)) ? (var_1_1) : (var_1_39)))) ? (var_1_11 == ((signed short int) ((((var_1_39) > (var_1_29)) ? (var_1_39) : (var_1_29))))) : 1))) && (((~ var_1_29) < var_1_8) ? (var_1_14 == ((signed long int) ((((var_1_39) > (var_1_29)) ? (var_1_39) : (var_1_29))))) : 1)) && (((last_1_var_1_15 + var_1_39) > var_1_29) ? (var_1_40 ? (var_1_15 == ((unsigned short int) (((((var_1_38) < (var_1_38)) ? (var_1_38) : (var_1_38))) + var_1_29))) : 1) : (var_1_15 == ((unsigned short int) (var_1_38 + var_1_38))))) && ((var_1_40 && var_1_40) ? (var_1_19 == ((signed short int) (var_1_29 + var_1_29))) : 1)) && ((((((var_1_19) < (var_1_38)) ? (var_1_19) : (var_1_38))) > (var_1_38 - ((((var_1_15) > (5)) ? (var_1_15) : (5))))) ? (var_1_23 == ((double) (10.65 - (var_1_24 - var_1_25)))) : 1)) && ((var_1_38 > var_1_38) ? (((var_1_38 ^ var_1_29) < var_1_8) ? (var_1_26 == ((float) (((128.05f - var_1_27) + ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) + var_1_25))) : 1) : 1) [L169] EXPR ((((((((((((var_1_2 - var_1_3) == (- var_1_26)) ? ((var_1_3 <= ((var_1_26 * 1.5) + 127.4)) ? (var_1_1 == ((signed short int) var_1_29)) : (var_1_1 == ((signed short int) var_1_29))) : (var_1_1 == ((signed short int) var_1_29))) && (var_1_6 == ((signed long int) (var_1_15 - (((((var_1_8 - var_1_15)) < (var_1_38)) ? ((var_1_8 - var_1_15)) : (var_1_38))))))) && (var_1_40 ? (var_1_11 == ((signed short int) var_1_39)) : ((var_1_8 <= ((((var_1_1) > (var_1_39)) ? (var_1_1) : (var_1_39)))) ? (var_1_11 == ((signed short int) ((((var_1_39) > (var_1_29)) ? (var_1_39) : (var_1_29))))) : 1))) && (((~ var_1_29) < var_1_8) ? (var_1_14 == ((signed long int) ((((var_1_39) > (var_1_29)) ? (var_1_39) : (var_1_29))))) : 1)) && (((last_1_var_1_15 + var_1_39) > var_1_29) ? (var_1_40 ? (var_1_15 == ((unsigned short int) (((((var_1_38) < (var_1_38)) ? (var_1_38) : (var_1_38))) + var_1_29))) : 1) : (var_1_15 == ((unsigned short int) (var_1_38 + var_1_38))))) && ((var_1_40 && var_1_40) ? (var_1_19 == ((signed short int) (var_1_29 + var_1_29))) : 1)) && ((((((var_1_19) < (var_1_38)) ? (var_1_19) : (var_1_38))) > (var_1_38 - ((((var_1_15) > (5)) ? (var_1_15) : (5))))) ? (var_1_23 == ((double) (10.65 - (var_1_24 - var_1_25)))) : 1)) && ((var_1_38 > var_1_38) ? (((var_1_38 ^ var_1_29) < var_1_8) ? (var_1_26 == ((float) (((128.05f - var_1_27) + ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) + var_1_25))) : 1) : 1)) && ((var_1_40 && var_1_40) ? (var_1_29 == ((unsigned char) (((var_1_30 - var_1_31) - var_1_32) - (((((var_1_33) > (var_1_34)) ? (var_1_33) : (var_1_34))) - ((((var_1_35) < 0 ) ? -(var_1_35) : (var_1_35))))))) : 1)) && (var_1_40 ? (var_1_36 == ((double) (var_1_28 + var_1_27))) : (var_1_36 == ((double) ((var_1_27 + var_1_28) + ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))))))) && ((((var_1_35 / var_1_34) % var_1_30) >= var_1_29) ? ((var_1_40 || var_1_40) ? (((var_1_39 * (var_1_38 & 64)) < var_1_39) ? (((var_1_27 - var_1_24) <= var_1_3) ? (var_1_37 == ((signed short int) (var_1_33 - var_1_11))) : (var_1_37 == ((signed short int) ((((var_1_32) < ((((((var_1_33) < (var_1_35)) ? (var_1_33) : (var_1_35))) + var_1_39))) ? (var_1_32) : ((((((var_1_33) < (var_1_35)) ? (var_1_33) : (var_1_35))) + var_1_39))))))) : (var_1_37 == ((signed short int) ((((((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34)))) < (var_1_11)) ? (((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34)))) : (var_1_11)))))) : 1) : (var_1_37 == ((signed short int) var_1_32))) [L169-L170] return (((((((((((((((var_1_2 - var_1_3) == (- var_1_26)) ? ((var_1_3 <= ((var_1_26 * 1.5) + 127.4)) ? (var_1_1 == ((signed short int) var_1_29)) : (var_1_1 == ((signed short int) var_1_29))) : (var_1_1 == ((signed short int) var_1_29))) && (var_1_6 == ((signed long int) (var_1_15 - (((((var_1_8 - var_1_15)) < (var_1_38)) ? ((var_1_8 - var_1_15)) : (var_1_38))))))) && (var_1_40 ? (var_1_11 == ((signed short int) var_1_39)) : ((var_1_8 <= ((((var_1_1) > (var_1_39)) ? (var_1_1) : (var_1_39)))) ? (var_1_11 == ((signed short int) ((((var_1_39) > (var_1_29)) ? (var_1_39) : (var_1_29))))) : 1))) && (((~ var_1_29) < var_1_8) ? (var_1_14 == ((signed long int) ((((var_1_39) > (var_1_29)) ? (var_1_39) : (var_1_29))))) : 1)) && (((last_1_var_1_15 + var_1_39) > var_1_29) ? (var_1_40 ? (var_1_15 == ((unsigned short int) (((((var_1_38) < (var_1_38)) ? (var_1_38) : (var_1_38))) + var_1_29))) : 1) : (var_1_15 == ((unsigned short int) (var_1_38 + var_1_38))))) && ((var_1_40 && var_1_40) ? (var_1_19 == ((signed short int) (var_1_29 + var_1_29))) : 1)) && ((((((var_1_19) < (var_1_38)) ? (var_1_19) : (var_1_38))) > (var_1_38 - ((((var_1_15) > (5)) ? (var_1_15) : (5))))) ? (var_1_23 == ((double) (10.65 - (var_1_24 - var_1_25)))) : 1)) && ((var_1_38 > var_1_38) ? (((var_1_38 ^ var_1_29) < var_1_8) ? (var_1_26 == ((float) (((128.05f - var_1_27) + ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) + var_1_25))) : 1) : 1)) && ((var_1_40 && var_1_40) ? (var_1_29 == ((unsigned char) (((var_1_30 - var_1_31) - var_1_32) - (((((var_1_33) > (var_1_34)) ? (var_1_33) : (var_1_34))) - ((((var_1_35) < 0 ) ? -(var_1_35) : (var_1_35))))))) : 1)) && (var_1_40 ? (var_1_36 == ((double) (var_1_28 + var_1_27))) : (var_1_36 == ((double) ((var_1_27 + var_1_28) + ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))))))) && ((((var_1_35 / var_1_34) % var_1_30) >= var_1_29) ? ((var_1_40 || var_1_40) ? (((var_1_39 * (var_1_38 & 64)) < var_1_39) ? (((var_1_27 - var_1_24) <= var_1_3) ? (var_1_37 == ((signed short int) (var_1_33 - var_1_11))) : (var_1_37 == ((signed short int) ((((var_1_32) < ((((((var_1_33) < (var_1_35)) ? (var_1_33) : (var_1_35))) + var_1_39))) ? (var_1_32) : ((((((var_1_33) < (var_1_35)) ? (var_1_33) : (var_1_35))) + var_1_39))))))) : (var_1_37 == ((signed short int) ((((((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34)))) < (var_1_11)) ? (((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34)))) : (var_1_11)))))) : 1) : (var_1_37 == ((signed short int) var_1_32)))) && (var_1_38 == ((unsigned char) var_1_31))) && (var_1_39 == ((signed char) var_1_31))) && (var_1_40 == ((unsigned char) var_1_41)) ; [L179] RET, EXPR property() [L179] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=2, var_1_11=16, var_1_14=16, var_1_15=32, var_1_19=32, var_1_1=16, var_1_23=0, var_1_26=2, var_1_29=16, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=64, var_1_35=0, var_1_37=63, var_1_38=16, var_1_39=16, var_1_40=1, var_1_41=1, var_1_6=16, var_1_8=1073741823] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=2, var_1_11=16, var_1_14=16, var_1_15=32, var_1_19=32, var_1_1=16, var_1_23=0, var_1_26=2, var_1_29=16, var_1_30=222, var_1_31=16, var_1_32=63, var_1_33=127, var_1_34=64, var_1_35=0, var_1_37=63, var_1_38=16, var_1_39=16, var_1_40=1, var_1_41=1, var_1_6=16, var_1_8=1073741823] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2023-11-23 21:31:42,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d1e5617ddd00267d862b011fbefdf19a5301960803db1d9715e6a52f4d72a1be --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:31:44,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:31:45,000 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:31:45,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:31:45,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:31:45,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:31:45,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:31:45,039 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:31:45,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:31:45,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:31:45,041 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:31:45,042 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:31:45,042 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:31:45,043 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:31:45,044 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:31:45,044 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:31:45,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:31:45,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:31:45,046 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:31:45,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:31:45,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:31:45,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:31:45,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:31:45,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:31:45,052 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:31:45,052 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:31:45,052 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:31:45,053 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:31:45,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:31:45,054 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:31:45,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:31:45,056 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:31:45,056 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:31:45,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:31:45,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:45,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:31:45,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:31:45,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:31:45,058 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:31:45,059 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:31:45,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:31:45,059 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:31:45,060 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:31:45,060 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:31:45,061 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1e5617ddd00267d862b011fbefdf19a5301960803db1d9715e6a52f4d72a1be [2023-11-23 21:31:45,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:31:45,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:31:45,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:31:45,538 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:31:45,539 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:31:45,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-0.i [2023-11-23 21:31:48,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:31:48,998 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:31:48,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-0.i [2023-11-23 21:31:49,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/data/4dae94339/88244561ba004db1a4d5479f0819014c/FLAGf155ee1e8 [2023-11-23 21:31:49,037 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/data/4dae94339/88244561ba004db1a4d5479f0819014c [2023-11-23 21:31:49,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:31:49,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:31:49,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:49,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:31:49,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:31:49,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:49" (1/1) ... [2023-11-23 21:31:49,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5061de10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:49, skipping insertion in model container [2023-11-23 21:31:49,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:49" (1/1) ... [2023-11-23 21:31:49,093 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:31:49,249 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_64481052-c49e-410e-9476-d118f41bb6c8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-0.i[915,928] [2023-11-23 21:31:49,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:49,350 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:31:49,372 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_64481052-c49e-410e-9476-d118f41bb6c8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-0.i[915,928] [2023-11-23 21:31:49,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:49,493 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:31:49,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:49 WrapperNode [2023-11-23 21:31:49,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:49,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:49,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:31:49,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:31:49,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:49" (1/1) ... [2023-11-23 21:31:49,536 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:49" (1/1) ... [2023-11-23 21:31:49,588 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2023-11-23 21:31:49,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:49,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:31:49,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:31:49,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:31:49,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:49" (1/1) ... [2023-11-23 21:31:49,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:49" (1/1) ... [2023-11-23 21:31:49,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:49" (1/1) ... [2023-11-23 21:31:49,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:49" (1/1) ... [2023-11-23 21:31:49,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:49" (1/1) ... [2023-11-23 21:31:49,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:49" (1/1) ... [2023-11-23 21:31:49,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:49" (1/1) ... [2023-11-23 21:31:49,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:49" (1/1) ... [2023-11-23 21:31:49,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:31:49,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:31:49,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:31:49,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:31:49,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:49" (1/1) ... [2023-11-23 21:31:49,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:49,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:49,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:31:49,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:31:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:31:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:31:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:31:49,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:31:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:31:49,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:31:49,916 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:31:49,921 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:00,243 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:00,344 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:00,347 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:00,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:00 BoogieIcfgContainer [2023-11-23 21:32:00,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:00,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:00,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:00,357 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:00,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:31:49" (1/3) ... [2023-11-23 21:32:00,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266fcbcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:00, skipping insertion in model container [2023-11-23 21:32:00,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:49" (2/3) ... [2023-11-23 21:32:00,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266fcbcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:00, skipping insertion in model container [2023-11-23 21:32:00,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:00" (3/3) ... [2023-11-23 21:32:00,364 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-0.i [2023-11-23 21:32:00,383 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:00,384 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:00,453 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:00,459 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=FINITE_AUTOMATA, 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;@262f785, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:00,459 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:00,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 47 states have internal predecessors, (68), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-23 21:32:00,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-23 21:32:00,480 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:00,481 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:00,482 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:00,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:00,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1698641697, now seen corresponding path program 1 times [2023-11-23 21:32:00,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:00,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1689091695] [2023-11-23 21:32:00,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:00,506 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 [2023-11-23 21:32:00,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:00,513 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:32:00,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:32:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:01,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:32:01,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:01,367 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-23 21:32:01,368 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:01,368 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:32:01,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1689091695] [2023-11-23 21:32:01,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1689091695] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:01,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:01,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:32:01,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43055581] [2023-11-23 21:32:01,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:01,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:32:01,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:32:01,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:32:01,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:32:01,410 INFO L87 Difference]: Start difference. First operand has 71 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 47 states have internal predecessors, (68), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-23 21:32:03,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:03,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:03,597 INFO L93 Difference]: Finished difference Result 138 states and 242 transitions. [2023-11-23 21:32:03,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:32:03,639 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 144 [2023-11-23 21:32:03,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:03,648 INFO L225 Difference]: With dead ends: 138 [2023-11-23 21:32:03,648 INFO L226 Difference]: Without dead ends: 68 [2023-11-23 21:32:03,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:32:03,659 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:03,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 21:32:03,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-23 21:32:03,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-23 21:32:03,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 44 states have internal predecessors, (60), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-23 21:32:03,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 104 transitions. [2023-11-23 21:32:03,720 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 104 transitions. Word has length 144 [2023-11-23 21:32:03,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:03,720 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 104 transitions. [2023-11-23 21:32:03,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-23 21:32:03,721 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2023-11-23 21:32:03,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-23 21:32:03,726 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:03,726 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:03,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 21:32:03,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:32:03,929 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:03,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:03,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1424300069, now seen corresponding path program 1 times [2023-11-23 21:32:03,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:03,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78500348] [2023-11-23 21:32:03,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:03,932 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 [2023-11-23 21:32:03,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:03,933 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:32:03,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:32:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:04,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:32:04,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:05,916 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2023-11-23 21:32:05,916 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:32:06,510 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-23 21:32:06,511 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:32:06,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78500348] [2023-11-23 21:32:06,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [78500348] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 21:32:06,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:32:06,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2023-11-23 21:32:06,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580004627] [2023-11-23 21:32:06,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:06,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:32:06,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:32:06,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:32:06,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:32:06,515 INFO L87 Difference]: Start difference. First operand 68 states and 104 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 21:32:08,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-23 21:32:11,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-23 21:32:13,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-23 21:32:15,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-23 21:32:17,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:19,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:21,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-23 21:32:23,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:25,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-23 21:32:27,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:27,628 INFO L93 Difference]: Finished difference Result 310 states and 472 transitions. [2023-11-23 21:32:27,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:32:27,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 144 [2023-11-23 21:32:27,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:27,635 INFO L225 Difference]: With dead ends: 310 [2023-11-23 21:32:27,635 INFO L226 Difference]: Without dead ends: 243 [2023-11-23 21:32:27,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:32:27,638 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 258 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 90 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:27,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 390 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 126 Invalid, 8 Unknown, 0 Unchecked, 20.9s Time] [2023-11-23 21:32:27,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2023-11-23 21:32:27,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 71. [2023-11-23 21:32:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 47 states have internal predecessors, (64), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-23 21:32:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 108 transitions. [2023-11-23 21:32:27,680 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 108 transitions. Word has length 144 [2023-11-23 21:32:27,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:27,684 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 108 transitions. [2023-11-23 21:32:27,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 21:32:27,685 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2023-11-23 21:32:27,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-23 21:32:27,689 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:27,689 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:27,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:32:27,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:32:27,891 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:27,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:27,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1817327079, now seen corresponding path program 1 times [2023-11-23 21:32:27,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:27,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066194458] [2023-11-23 21:32:27,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:27,893 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 [2023-11-23 21:32:27,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:27,894 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:32:27,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64481052-c49e-410e-9476-d118f41bb6c8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:32:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:28,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-23 21:32:28,948 INFO L285 TraceCheckSpWp]: Computing forward predicates...