./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX --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 c185aaf4a9cc952b10ab55137c5789b08cb7a017f917b034409a16b5090ed213 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:01:48,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:01:48,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 01:01:48,550 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:01:48,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:01:48,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:01:48,594 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:01:48,594 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:01:48,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:01:48,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:01:48,601 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:01:48,602 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:01:48,603 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:01:48,605 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:01:48,605 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:01:48,605 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:01:48,606 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:01:48,606 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:01:48,607 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:01:48,607 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:01:48,608 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:01:48,608 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:01:48,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:01:48,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:01:48,610 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:01:48,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:01:48,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:01:48,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:01:48,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:01:48,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:01:48,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:01:48,614 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:01:48,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:01:48,615 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:01:48,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:01:48,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:01:48,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:48,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:01:48,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:01:48,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:01:48,616 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:01:48,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:01:48,617 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:01:48,617 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:01:48,618 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:01:48,618 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_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c185aaf4a9cc952b10ab55137c5789b08cb7a017f917b034409a16b5090ed213 [2023-11-12 01:01:48,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:01:49,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:01:49,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:01:49,011 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:01:49,011 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:01:49,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i [2023-11-12 01:01:52,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:01:52,480 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:01:52,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i [2023-11-12 01:01:52,492 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/data/100ee56ad/fa4118e6f6fd46f297d5b1a8f097f484/FLAG45e3ce007 [2023-11-12 01:01:52,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/data/100ee56ad/fa4118e6f6fd46f297d5b1a8f097f484 [2023-11-12 01:01:52,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:01:52,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:01:52,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:52,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:01:52,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:01:52,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:52" (1/1) ... [2023-11-12 01:01:52,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37fbd1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:52, skipping insertion in model container [2023-11-12 01:01:52,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:52" (1/1) ... [2023-11-12 01:01:52,561 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:01:52,777 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_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i[916,929] [2023-11-12 01:01:52,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:52,888 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:01:52,900 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_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i[916,929] [2023-11-12 01:01:52,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:52,977 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:01:52,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:52 WrapperNode [2023-11-12 01:01:52,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:52,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:52,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:01:52,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:01:52,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:52" (1/1) ... [2023-11-12 01:01:53,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:52" (1/1) ... [2023-11-12 01:01:53,072 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-11-12 01:01:53,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:53,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:01:53,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:01:53,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:01:53,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:52" (1/1) ... [2023-11-12 01:01:53,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:52" (1/1) ... [2023-11-12 01:01:53,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:52" (1/1) ... [2023-11-12 01:01:53,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:52" (1/1) ... [2023-11-12 01:01:53,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:52" (1/1) ... [2023-11-12 01:01:53,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:52" (1/1) ... [2023-11-12 01:01:53,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:52" (1/1) ... [2023-11-12 01:01:53,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:52" (1/1) ... [2023-11-12 01:01:53,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:01:53,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:01:53,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:01:53,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:01:53,152 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:52" (1/1) ... [2023-11-12 01:01:53,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:53,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:01:53,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:01:53,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:01:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:01:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 01:01:53,242 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 01:01:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:01:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:01:53,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:01:53,376 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:01:53,378 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:01:53,973 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:01:54,491 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:01:54,492 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 01:01:54,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:54 BoogieIcfgContainer [2023-11-12 01:01:54,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:01:54,499 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:01:54,499 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:01:54,502 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:01:54,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:01:52" (1/3) ... [2023-11-12 01:01:54,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3218e300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:01:54, skipping insertion in model container [2023-11-12 01:01:54,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:52" (2/3) ... [2023-11-12 01:01:54,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3218e300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:01:54, skipping insertion in model container [2023-11-12 01:01:54,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:54" (3/3) ... [2023-11-12 01:01:54,508 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-94.i [2023-11-12 01:01:54,528 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:01:54,528 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:01:54,594 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:01:54,603 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;@17cd7749, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:01:54,604 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:01:54,609 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 01:01:54,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-12 01:01:54,622 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:01:54,623 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:01:54,623 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:01:54,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:01:54,628 INFO L85 PathProgramCache]: Analyzing trace with hash 97938444, now seen corresponding path program 1 times [2023-11-12 01:01:54,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:01:54,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856119692] [2023-11-12 01:01:54,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:54,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:01:54,821 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 01:01:54,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1897268664] [2023-11-12 01:01:54,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:54,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 01:01:54,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:01:54,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 01:01:54,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 01:01:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 01:01:55,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 01:01:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 01:01:55,557 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 01:01:55,560 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 01:01:55,562 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 01:01:55,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 01:01:55,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 01:01:55,776 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 01:01:55,781 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 01:01:55,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:01:55 BoogieIcfgContainer [2023-11-12 01:01:55,973 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 01:01:55,974 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 01:01:55,974 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 01:01:55,975 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 01:01:55,975 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:54" (3/4) ... [2023-11-12 01:01:55,978 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 01:01:55,979 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 01:01:55,981 INFO L158 Benchmark]: Toolchain (without parser) took 3468.52ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 97.7MB in the beginning and 107.0MB in the end (delta: -9.3MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-11-12 01:01:55,981 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:01:55,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.21ms. Allocated memory is still 138.4MB. Free memory was 97.1MB in the beginning and 101.0MB in the end (delta: -3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 01:01:55,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.23ms. Allocated memory is still 138.4MB. Free memory was 101.0MB in the beginning and 95.0MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 01:01:55,991 INFO L158 Benchmark]: Boogie Preprocessor took 77.23ms. Allocated memory is still 138.4MB. Free memory was 95.0MB in the beginning and 92.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 01:01:55,993 INFO L158 Benchmark]: RCFGBuilder took 1344.29ms. Allocated memory is still 138.4MB. Free memory was 92.0MB in the beginning and 77.3MB in the end (delta: 14.7MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2023-11-12 01:01:55,994 INFO L158 Benchmark]: TraceAbstraction took 1474.54ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 76.9MB in the beginning and 107.0MB in the end (delta: -30.1MB). Peak memory consumption was 291.0kB. Max. memory is 16.1GB. [2023-11-12 01:01:55,994 INFO L158 Benchmark]: Witness Printer took 5.10ms. Allocated memory is still 167.8MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:01:56,004 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.21ms. Allocated memory is still 138.4MB. Free memory was 97.1MB in the beginning and 101.0MB in the end (delta: -3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.23ms. Allocated memory is still 138.4MB. Free memory was 101.0MB in the beginning and 95.0MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.23ms. Allocated memory is still 138.4MB. Free memory was 95.0MB in the beginning and 92.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1344.29ms. Allocated memory is still 138.4MB. Free memory was 92.0MB in the beginning and 77.3MB in the end (delta: 14.7MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1474.54ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 76.9MB in the beginning and 107.0MB in the end (delta: -30.1MB). Peak memory consumption was 291.0kB. Max. memory is 16.1GB. * Witness Printer took 5.10ms. Allocated memory is still 167.8MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 188, overapproximation of shiftRight at line 112, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = -0.25; [L23] double var_1_2 = -0.125; [L24] double var_1_3 = 127.5; [L25] unsigned char var_1_4 = 4; [L26] unsigned char var_1_5 = 0; [L27] unsigned char var_1_6 = 10; [L28] float var_1_7 = -0.2; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 1; [L31] unsigned char var_1_11 = 1; [L32] unsigned char var_1_12 = 0; [L33] unsigned char var_1_13 = 0; [L34] unsigned char var_1_14 = 0; [L35] signed long int var_1_15 = -100000; [L36] signed char var_1_18 = 8; [L37] signed char var_1_19 = 64; [L38] signed short int var_1_20 = -16; [L39] signed long int var_1_22 = -1; [L40] double var_1_23 = 500.8; [L41] double var_1_24 = 9.8; [L42] unsigned short int var_1_25 = 16; [L43] unsigned short int var_1_26 = 41277; [L44] signed long int var_1_27 = 1000; [L45] double var_1_29 = 99.5; [L46] double var_1_30 = 99999999.6; [L47] unsigned long int var_1_31 = 4; [L48] unsigned short int var_1_32 = 10; [L49] unsigned short int var_1_33 = 52075; [L50] unsigned char last_1_var_1_4 = 4; [L51] unsigned char last_1_var_1_9 = 0; [L52] signed long int last_1_var_1_15 = -100000; [L53] signed short int last_1_var_1_20 = -16; [L54] signed long int last_1_var_1_22 = -1; [L55] unsigned short int last_1_var_1_32 = 10; [L192] isInitial = 1 [L193] FCALL initially() [L194] COND TRUE 1 [L195] CALL updateLastVariables() [L180] last_1_var_1_4 = var_1_4 [L181] last_1_var_1_9 = var_1_9 [L182] last_1_var_1_15 = var_1_15 [L183] last_1_var_1_20 = var_1_20 [L184] last_1_var_1_22 = var_1_22 [L185] last_1_var_1_32 = var_1_32 [L195] RET updateLastVariables() [L196] CALL updateVariables() [L136] var_1_2 = __VERIFIER_nondet_double() [L137] CALL assume_abort_if_not((var_1_2 >= -461168.6018427382800e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 4611686.018427382800e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=255/2, var_1_4=4, var_1_5=0, var_1_6=10, var_1_9=0] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not((var_1_2 >= -461168.6018427382800e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 4611686.018427382800e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=255/2, var_1_4=4, var_1_5=0, var_1_6=10, var_1_9=0] [L138] var_1_3 = __VERIFIER_nondet_double() [L139] CALL assume_abort_if_not((var_1_3 >= -461168.6018427382800e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 4611686.018427382800e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=10, var_1_9=0] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not((var_1_3 >= -461168.6018427382800e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 4611686.018427382800e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=10, var_1_9=0] [L140] var_1_5 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=10, var_1_9=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=10, var_1_9=0] [L142] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=10, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=10, var_1_9=0] [L143] var_1_6 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L145] CALL assume_abort_if_not(var_1_6 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_6 <= 254) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L146] var_1_10 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L148] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L149] var_1_11 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L151] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L152] var_1_12 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L154] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L155] var_1_13 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L157] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L158] var_1_14 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L160] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=64, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L161] var_1_19 = __VERIFIER_nondet_char() [L162] CALL assume_abort_if_not(var_1_19 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_19 >= -127) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L163] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=49/5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L164] var_1_24 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_24 >= 0.0F && 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=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_24 >= 0.0F && 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=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=41277, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L166] var_1_26 = __VERIFIER_nondet_ushort() [L167] CALL assume_abort_if_not(var_1_26 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=32767, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_26 >= 32767) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=32767, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L168] CALL assume_abort_if_not(var_1_26 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=32767, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_26 <= 65535) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=32767, var_1_27=1000, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L169] var_1_27 = __VERIFIER_nondet_long() [L170] CALL assume_abort_if_not(var_1_27 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=32767, var_1_27=1, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_27 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=32767, var_1_27=1, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L171] CALL assume_abort_if_not(var_1_27 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=32767, var_1_27=1, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_27 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=32767, var_1_27=1, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L172] CALL assume_abort_if_not(var_1_27 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=32767, var_1_27=1, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_27 != 0) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=32767, var_1_27=1, var_1_29=199/2, var_1_30=499999998/5, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L173] var_1_30 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_30 >= -922337.2036854765600e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=32767, var_1_27=1, var_1_29=199/2, var_1_30=3, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_30 >= -922337.2036854765600e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=32767, var_1_27=1, var_1_29=199/2, var_1_30=3, var_1_31=4, var_1_32=10, var_1_33=52075, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L175] var_1_33 = __VERIFIER_nondet_ushort() [L176] CALL assume_abort_if_not(var_1_33 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=32767, var_1_27=1, var_1_29=199/2, var_1_30=3, var_1_31=4, var_1_32=10, var_1_33=49150, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_33 >= 49150) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=32767, var_1_27=1, var_1_29=199/2, var_1_30=3, var_1_31=4, var_1_32=10, var_1_33=49150, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L177] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=32767, var_1_27=1, var_1_29=199/2, var_1_30=3, var_1_31=4, var_1_32=10, var_1_33=49150, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=-100000, var_1_18=8, var_1_19=1, var_1_20=-16, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=16, var_1_26=32767, var_1_27=1, var_1_29=199/2, var_1_30=3, var_1_31=4, var_1_32=10, var_1_33=49150, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_9=0] [L196] RET updateVariables() [L197] CALL step() [L59] signed long int stepLocal_7 = ((((((last_1_var_1_32) < (last_1_var_1_4)) ? (last_1_var_1_32) : (last_1_var_1_4))) < 0 ) ? -((((last_1_var_1_32) < (last_1_var_1_4)) ? (last_1_var_1_32) : (last_1_var_1_4))) : ((((last_1_var_1_32) < (last_1_var_1_4)) ? (last_1_var_1_32) : (last_1_var_1_4)))); [L60] COND FALSE !(stepLocal_7 >= ((last_1_var_1_22 * var_1_6) * last_1_var_1_15)) [L63] var_1_31 = ((((((((last_1_var_1_15) < (last_1_var_1_4)) ? (last_1_var_1_15) : (last_1_var_1_4)))) > (var_1_26)) ? (((((last_1_var_1_15) < (last_1_var_1_4)) ? (last_1_var_1_15) : (last_1_var_1_4)))) : (var_1_26))) [L65] COND FALSE !(\read(last_1_var_1_9)) [L68] var_1_1 = ((((9.999999999999925E13) < ((var_1_2 + ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3)))))) ? (9.999999999999925E13) : ((var_1_2 + ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))))) [L69] var_1_29 = ((((((((var_1_24) < (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) ? (var_1_24) : (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))))) > (var_1_30)) ? (((((var_1_24) < (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) ? (var_1_24) : (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))))) : (var_1_30))) [L70] unsigned char stepLocal_2 = var_1_10; [L71] COND FALSE !(\read(var_1_5)) [L80] COND FALSE !(\read(var_1_9)) [L85] COND FALSE !((var_1_26 - var_1_32) <= (var_1_19 % var_1_27)) [L88] var_1_25 = ((((((((var_1_6) < (var_1_32)) ? (var_1_6) : (var_1_32)))) > (((((var_1_32) < (var_1_4)) ? (var_1_32) : (var_1_4))))) ? (((((var_1_6) < (var_1_32)) ? (var_1_6) : (var_1_32)))) : (((((var_1_32) < (var_1_4)) ? (var_1_32) : (var_1_4)))))) [L90] unsigned char stepLocal_1 = var_1_6 <= var_1_31; [L91] unsigned char stepLocal_0 = var_1_6; [L92] COND FALSE !(stepLocal_0 > (var_1_25 * var_1_31)) [L97] COND FALSE !(var_1_3 <= (- var_1_7)) [L102] unsigned char stepLocal_3 = var_1_9; [L103] COND FALSE !(var_1_3 != var_1_29) [L110] var_1_18 = var_1_19 [L112] EXPR var_1_4 >> var_1_18 [L112] COND TRUE var_1_6 >= (var_1_4 >> var_1_18) [L113] var_1_15 = (((((var_1_4 + var_1_32)) < ((var_1_18 + (var_1_6 + var_1_18)))) ? ((var_1_4 + var_1_32)) : ((var_1_18 + (var_1_6 + var_1_18))))) [L115] signed char stepLocal_5 = var_1_18; [L116] signed char stepLocal_4 = var_1_18; [L117] COND FALSE !(stepLocal_5 < var_1_19) [L120] COND FALSE !(((((last_1_var_1_20) < (var_1_6)) ? (last_1_var_1_20) : (var_1_6))) == stepLocal_4) [L123] var_1_20 = -10 [L126] signed short int stepLocal_6 = var_1_20; [L127] COND FALSE !(stepLocal_6 > ((((var_1_20) > (var_1_19)) ? (var_1_20) : (var_1_19)))) [L197] RET step() [L198] CALL, EXPR property() [L188] EXPR ((((var_1_1 == ((double) ((((9.999999999999925E13) < ((var_1_2 + ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3)))))) ? (9.999999999999925E13) : ((var_1_2 + ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))))))) && (var_1_9 ? ((var_1_3 <= ((((499.25) < (999999.3)) ? (499.25) : (999999.3)))) ? (var_1_4 == ((unsigned char) var_1_6)) : 1) : 1)) && ((var_1_6 > (var_1_25 * var_1_31)) ? (((var_1_6 <= var_1_31) && var_1_9) ? (var_1_7 == ((float) var_1_3)) : 1) : 1)) && (var_1_5 ? ((var_1_11 || var_1_10) ? ((! (var_1_29 < var_1_2)) ? (var_1_9 == ((unsigned char) (var_1_12 || var_1_13))) : (var_1_9 == ((unsigned char) (var_1_11 && ((var_1_12 && var_1_13) || (! var_1_14)))))) : 1) : 1)) && ((var_1_6 >= (var_1_4 >> var_1_18)) ? (var_1_15 == ((signed long int) (((((var_1_4 + var_1_32)) < ((var_1_18 + (var_1_6 + var_1_18)))) ? ((var_1_4 + var_1_32)) : ((var_1_18 + (var_1_6 + var_1_18))))))) : 1) [L188-L189] return ((((((((((((var_1_1 == ((double) ((((9.999999999999925E13) < ((var_1_2 + ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3)))))) ? (9.999999999999925E13) : ((var_1_2 + ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))))))) && (var_1_9 ? ((var_1_3 <= ((((499.25) < (999999.3)) ? (499.25) : (999999.3)))) ? (var_1_4 == ((unsigned char) var_1_6)) : 1) : 1)) && ((var_1_6 > (var_1_25 * var_1_31)) ? (((var_1_6 <= var_1_31) && var_1_9) ? (var_1_7 == ((float) var_1_3)) : 1) : 1)) && (var_1_5 ? ((var_1_11 || var_1_10) ? ((! (var_1_29 < var_1_2)) ? (var_1_9 == ((unsigned char) (var_1_12 || var_1_13))) : (var_1_9 == ((unsigned char) (var_1_11 && ((var_1_12 && var_1_13) || (! var_1_14)))))) : 1) : 1)) && ((var_1_6 >= (var_1_4 >> var_1_18)) ? (var_1_15 == ((signed long int) (((((var_1_4 + var_1_32)) < ((var_1_18 + (var_1_6 + var_1_18)))) ? ((var_1_4 + var_1_32)) : ((var_1_18 + (var_1_6 + var_1_18))))))) : 1)) && ((var_1_3 != var_1_29) ? (((var_1_32 <= var_1_31) && var_1_9) ? (var_1_18 == ((signed char) var_1_19)) : (var_1_18 == ((signed char) var_1_19))) : (var_1_18 == ((signed char) var_1_19)))) && ((var_1_18 < var_1_19) ? (var_1_20 == ((signed short int) (var_1_31 + var_1_19))) : ((((((last_1_var_1_20) < (var_1_6)) ? (last_1_var_1_20) : (var_1_6))) == var_1_18) ? (var_1_20 == ((signed short int) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : (var_1_20 == ((signed short int) -10))))) && ((var_1_20 > ((((var_1_20) > (var_1_19)) ? (var_1_20) : (var_1_19)))) ? ((! var_1_12) ? (var_1_22 == ((signed long int) (var_1_31 - var_1_20))) : (var_1_22 == ((signed long int) 2))) : 1)) && ((var_1_3 <= (- var_1_7)) ? (var_1_9 ? (var_1_23 == ((double) (var_1_24 - 31.25))) : 1) : 1)) && (((var_1_26 - var_1_32) <= (var_1_19 % var_1_27)) ? (var_1_25 == ((unsigned short int) ((((var_1_6) > (((((var_1_32) > (var_1_32)) ? (var_1_32) : (var_1_32))))) ? (var_1_6) : (((((var_1_32) > (var_1_32)) ? (var_1_32) : (var_1_32)))))))) : (var_1_25 == ((unsigned short int) ((((((((var_1_6) < (var_1_32)) ? (var_1_6) : (var_1_32)))) > (((((var_1_32) < (var_1_4)) ? (var_1_32) : (var_1_4))))) ? (((((var_1_6) < (var_1_32)) ? (var_1_6) : (var_1_32)))) : (((((var_1_32) < (var_1_4)) ? (var_1_32) : (var_1_4)))))))))) && (var_1_29 == ((double) ((((((((var_1_24) < (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) ? (var_1_24) : (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))))) > (var_1_30)) ? (((((var_1_24) < (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) ? (var_1_24) : (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))))) : (var_1_30)))))) && (((((((((last_1_var_1_32) < (last_1_var_1_4)) ? (last_1_var_1_32) : (last_1_var_1_4))) < 0 ) ? -((((last_1_var_1_32) < (last_1_var_1_4)) ? (last_1_var_1_32) : (last_1_var_1_4))) : ((((last_1_var_1_32) < (last_1_var_1_4)) ? (last_1_var_1_32) : (last_1_var_1_4))))) >= ((last_1_var_1_22 * var_1_6) * last_1_var_1_15)) ? (var_1_31 == ((unsigned long int) (last_1_var_1_32 + (1891941459u - last_1_var_1_15)))) : (var_1_31 == ((unsigned long int) ((((((((last_1_var_1_15) < (last_1_var_1_4)) ? (last_1_var_1_15) : (last_1_var_1_4)))) > (var_1_26)) ? (((((last_1_var_1_15) < (last_1_var_1_4)) ? (last_1_var_1_15) : (last_1_var_1_4)))) : (var_1_26))))))) && (last_1_var_1_9 ? (var_1_32 == ((unsigned short int) ((var_1_33 - last_1_var_1_15) - var_1_6))) : 1) ; [L198] RET, EXPR property() [L198] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=7, var_1_18=1, var_1_19=1, var_1_1=399999999999997/4, var_1_20=-10, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=5, var_1_26=32767, var_1_27=1, var_1_29=5, var_1_2=0, var_1_30=3, var_1_31=32767, var_1_32=10, var_1_33=49150, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_7=4, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=-100000, last_1_var_1_20=-16, last_1_var_1_22=-1, last_1_var_1_32=10, last_1_var_1_4=4, last_1_var_1_9=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=7, var_1_18=1, var_1_19=1, var_1_1=399999999999997/4, var_1_20=-10, var_1_22=-1, var_1_23=2504/5, var_1_24=5, var_1_25=5, var_1_26=32767, var_1_27=1, var_1_29=5, var_1_2=0, var_1_30=3, var_1_31=32767, var_1_32=10, var_1_33=49150, var_1_3=2, var_1_4=4, var_1_5=0, var_1_6=5, var_1_7=4, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 27, 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=51occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 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 [2023-11-12 01:01:56,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/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_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX --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 c185aaf4a9cc952b10ab55137c5789b08cb7a017f917b034409a16b5090ed213 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:01:58,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:01:58,729 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 01:01:58,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:01:58,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:01:58,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:01:58,773 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:01:58,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:01:58,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:01:58,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:01:58,781 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:01:58,781 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:01:58,782 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:01:58,784 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:01:58,785 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:01:58,785 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:01:58,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:01:58,787 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:01:58,787 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:01:58,788 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:01:58,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:01:58,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:01:58,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:01:58,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:01:58,790 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 01:01:58,791 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 01:01:58,791 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 01:01:58,792 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:01:58,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:01:58,793 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:01:58,794 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:01:58,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 01:01:58,795 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:01:58,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:58,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:01:58,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:01:58,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:01:58,796 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 01:01:58,797 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 01:01:58,798 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:01:58,798 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:01:58,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:01:58,799 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_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c185aaf4a9cc952b10ab55137c5789b08cb7a017f917b034409a16b5090ed213 [2023-11-12 01:01:59,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:01:59,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:01:59,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:01:59,307 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:01:59,309 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:01:59,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i [2023-11-12 01:02:02,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:02:02,866 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:02:02,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i [2023-11-12 01:02:02,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/data/af45430da/c24b0451de9346aa974051af172ef77c/FLAG11f2c6bbc [2023-11-12 01:02:02,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/data/af45430da/c24b0451de9346aa974051af172ef77c [2023-11-12 01:02:02,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:02:02,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:02:02,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:02:02,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:02:02,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:02:02,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:02:02" (1/1) ... [2023-11-12 01:02:02,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e318dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:02, skipping insertion in model container [2023-11-12 01:02:02,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:02:02" (1/1) ... [2023-11-12 01:02:02,965 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:02:03,162 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_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i[916,929] [2023-11-12 01:02:03,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:02:03,314 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:02:03,335 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_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i[916,929] [2023-11-12 01:02:03,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:02:03,421 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:02:03,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03 WrapperNode [2023-11-12 01:02:03,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:02:03,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:02:03,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:02:03,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:02:03,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:03,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:03,502 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2023-11-12 01:02:03,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:02:03,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:02:03,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:02:03,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:02:03,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:03,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:03,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:03,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:03,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:03,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:03,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:03,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:03,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:02:03,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:02:03,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:02:03,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:02:03,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (1/1) ... [2023-11-12 01:02:03,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:02:03,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:02:03,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:02:03,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:02:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:02:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 01:02:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 01:02:03,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 01:02:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:02:03,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:02:03,750 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:02:03,752 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:02:09,776 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:02:09,787 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:02:09,790 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 01:02:09,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:02:09 BoogieIcfgContainer [2023-11-12 01:02:09,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:02:09,797 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:02:09,797 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:02:09,800 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:02:09,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:02:02" (1/3) ... [2023-11-12 01:02:09,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439d28ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:02:09, skipping insertion in model container [2023-11-12 01:02:09,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:03" (2/3) ... [2023-11-12 01:02:09,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439d28ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:02:09, skipping insertion in model container [2023-11-12 01:02:09,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:02:09" (3/3) ... [2023-11-12 01:02:09,804 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-94.i [2023-11-12 01:02:09,822 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:02:09,822 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:02:09,867 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:02:09,874 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;@7f25eafb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:02:09,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:02:09,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 55 states have (on average 1.4363636363636363) internal successors, (79), 56 states have internal predecessors, (79), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 01:02:09,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-12 01:02:09,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:02:09,906 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:02:09,909 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:02:09,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:02:09,914 INFO L85 PathProgramCache]: Analyzing trace with hash 125343671, now seen corresponding path program 1 times [2023-11-12 01:02:09,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:02:09,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940021197] [2023-11-12 01:02:09,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:09,929 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 [2023-11-12 01:02:09,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:02:09,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 01:02:09,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:02:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:10,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 01:02:10,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:02:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2023-11-12 01:02:10,624 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 01:02:10,625 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:02:10,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940021197] [2023-11-12 01:02:10,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940021197] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:02:10,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:02:10,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 01:02:10,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381444425] [2023-11-12 01:02:10,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:02:10,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 01:02:10,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 01:02:10,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 01:02:10,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 01:02:10,669 INFO L87 Difference]: Start difference. First operand has 85 states, 55 states have (on average 1.4363636363636363) internal successors, (79), 56 states have internal predecessors, (79), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-12 01:02:10,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:02:10,756 INFO L93 Difference]: Finished difference Result 163 states and 287 transitions. [2023-11-12 01:02:10,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 01:02:10,759 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2023-11-12 01:02:10,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:02:10,768 INFO L225 Difference]: With dead ends: 163 [2023-11-12 01:02:10,769 INFO L226 Difference]: Without dead ends: 81 [2023-11-12 01:02:10,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 01:02:10,782 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 01:02:10,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 01:02:10,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-12 01:02:10,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-12 01:02:10,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 52 states have internal predecessors, (72), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 01:02:10,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 126 transitions. [2023-11-12 01:02:10,845 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 126 transitions. Word has length 175 [2023-11-12 01:02:10,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:02:10,846 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 126 transitions. [2023-11-12 01:02:10,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-12 01:02:10,846 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2023-11-12 01:02:10,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-12 01:02:10,852 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:02:10,853 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:02:10,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 01:02:11,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:02:11,068 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:02:11,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:02:11,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1372085941, now seen corresponding path program 1 times [2023-11-12 01:02:11,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:02:11,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556879436] [2023-11-12 01:02:11,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:11,071 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 [2023-11-12 01:02:11,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:02:11,073 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 01:02:11,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:02:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:11,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 01:02:11,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:02:14,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-12 01:02:14,163 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 01:02:14,163 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:02:14,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556879436] [2023-11-12 01:02:14,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556879436] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:02:14,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:02:14,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:02:14,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913554100] [2023-11-12 01:02:14,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:02:14,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 01:02:14,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 01:02:14,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 01:02:14,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 01:02:14,169 INFO L87 Difference]: Start difference. First operand 81 states and 126 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 01:02:17,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:19,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:21,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:21,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:02:21,834 INFO L93 Difference]: Finished difference Result 288 states and 451 transitions. [2023-11-12 01:02:21,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 01:02:21,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2023-11-12 01:02:21,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:02:21,877 INFO L225 Difference]: With dead ends: 288 [2023-11-12 01:02:21,878 INFO L226 Difference]: Without dead ends: 210 [2023-11-12 01:02:21,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:02:21,881 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 183 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 65 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-11-12 01:02:21,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 352 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 22 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2023-11-12 01:02:21,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2023-11-12 01:02:21,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 155. [2023-11-12 01:02:21,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 98 states have (on average 1.346938775510204) internal successors, (132), 98 states have internal predecessors, (132), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-12 01:02:21,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 240 transitions. [2023-11-12 01:02:21,922 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 240 transitions. Word has length 175 [2023-11-12 01:02:21,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:02:21,923 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 240 transitions. [2023-11-12 01:02:21,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 01:02:21,923 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 240 transitions. [2023-11-12 01:02:21,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-12 01:02:21,927 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:02:21,928 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:02:21,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:02:22,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:02:22,144 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:02:22,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:02:22,145 INFO L85 PathProgramCache]: Analyzing trace with hash -316857801, now seen corresponding path program 1 times [2023-11-12 01:02:22,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:02:22,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804672664] [2023-11-12 01:02:22,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:22,146 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 [2023-11-12 01:02:22,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:02:22,148 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 01:02:22,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:02:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:22,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 01:02:22,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:02:22,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-12 01:02:22,853 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 01:02:22,854 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:02:22,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804672664] [2023-11-12 01:02:22,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804672664] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:02:22,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:02:22,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 01:02:22,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830617996] [2023-11-12 01:02:22,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:02:22,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 01:02:22,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 01:02:22,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 01:02:22,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 01:02:22,858 INFO L87 Difference]: Start difference. First operand 155 states and 240 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 01:02:25,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:26,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:26,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:02:26,995 INFO L93 Difference]: Finished difference Result 342 states and 526 transitions. [2023-11-12 01:02:26,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 01:02:26,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2023-11-12 01:02:26,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:02:27,002 INFO L225 Difference]: With dead ends: 342 [2023-11-12 01:02:27,002 INFO L226 Difference]: Without dead ends: 190 [2023-11-12 01:02:27,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:02:27,006 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 69 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-12 01:02:27,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 378 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2023-11-12 01:02:27,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-11-12 01:02:27,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 189. [2023-11-12 01:02:27,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 114 states have (on average 1.280701754385965) internal successors, (146), 115 states have internal predecessors, (146), 70 states have call successors, (70), 4 states have call predecessors, (70), 4 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-12 01:02:27,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 286 transitions. [2023-11-12 01:02:27,080 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 286 transitions. Word has length 175 [2023-11-12 01:02:27,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:02:27,083 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 286 transitions. [2023-11-12 01:02:27,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 01:02:27,084 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 286 transitions. [2023-11-12 01:02:27,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-12 01:02:27,095 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:02:27,096 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:02:27,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 01:02:27,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:02:27,312 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:02:27,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:02:27,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1613881339, now seen corresponding path program 1 times [2023-11-12 01:02:27,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:02:27,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613009436] [2023-11-12 01:02:27,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:27,314 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 [2023-11-12 01:02:27,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:02:27,317 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 01:02:27,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-12 01:02:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:28,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 01:02:28,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:02:36,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 647 proven. 27 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2023-11-12 01:02:36,269 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 01:02:41,767 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:02:41,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613009436] [2023-11-12 01:02:41,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [613009436] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 01:02:41,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [939237511] [2023-11-12 01:02:41,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:41,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 01:02:41,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 01:02:41,774 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 01:02:41,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86c82d7a-05e7-49a7-8d49-8c1cae8ba3f4/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-12 01:02:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:43,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-12 01:02:43,838 INFO L285 TraceCheckSpWp]: Computing forward predicates...