./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-75.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ --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 c0b4e00ed6b48bb07fe90a496ec4ca5231949ecbe9421f0d7744d947fc9f4864 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:06:59,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:06:59,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:06:59,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:06:59,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:06:59,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:06:59,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:06:59,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:06:59,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:06:59,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:06:59,614 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:06:59,614 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:06:59,615 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:06:59,617 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:06:59,617 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:06:59,618 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:06:59,618 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:06:59,619 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:06:59,619 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:06:59,620 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:06:59,621 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:06:59,623 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:06:59,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:06:59,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:06:59,625 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:06:59,626 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:06:59,626 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:06:59,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:06:59,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:06:59,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:06:59,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:06:59,630 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:06:59,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:06:59,631 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:06:59,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:06:59,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:06:59,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:59,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:06:59,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:06:59,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:06:59,633 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:06:59,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:06:59,634 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:06:59,634 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:06:59,635 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:06:59,635 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_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0b4e00ed6b48bb07fe90a496ec4ca5231949ecbe9421f0d7744d947fc9f4864 [2023-11-19 05:06:59,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:06:59,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:06:59,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:06:59,996 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:06:59,999 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:07:00,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-75.i [2023-11-19 05:07:03,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:07:04,093 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:07:04,094 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-75.i [2023-11-19 05:07:04,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/data/bd427621e/11d071208bf8482880e741e03108618b/FLAG4927e2fe1 [2023-11-19 05:07:04,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/data/bd427621e/11d071208bf8482880e741e03108618b [2023-11-19 05:07:04,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:07:04,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:07:04,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:04,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:07:04,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:07:04,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46466600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04, skipping insertion in model container [2023-11-19 05:07:04,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,206 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:07:04,410 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_952b49c6-9e32-4050-acc4-288005ab20e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-75.i[916,929] [2023-11-19 05:07:04,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:04,509 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:07:04,525 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_952b49c6-9e32-4050-acc4-288005ab20e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-75.i[916,929] [2023-11-19 05:07:04,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:04,645 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:07:04,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04 WrapperNode [2023-11-19 05:07:04,646 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:04,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:04,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:07:04,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:07:04,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,680 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,739 INFO L138 Inliner]: procedures = 29, calls = 165, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 416 [2023-11-19 05:07:04,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:04,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:07:04,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:07:04,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:07:04,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:07:04,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:07:04,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:07:04,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:07:04,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:04,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:07:04,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:07:04,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:07:04,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:07:04,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:07:04,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 05:07:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 05:07:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:07:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 05:07:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:07:04,961 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:07:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:07:04,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:07:04,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:07:05,141 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:07:05,143 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:07:05,898 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:07:06,717 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:07:06,718 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:07:06,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:06 BoogieIcfgContainer [2023-11-19 05:07:06,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:07:06,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:07:06,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:07:06,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:07:06,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:07:04" (1/3) ... [2023-11-19 05:07:06,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e51c0e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:06, skipping insertion in model container [2023-11-19 05:07:06,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (2/3) ... [2023-11-19 05:07:06,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e51c0e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:06, skipping insertion in model container [2023-11-19 05:07:06,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:06" (3/3) ... [2023-11-19 05:07:06,738 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-75.i [2023-11-19 05:07:06,763 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:07:06,764 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:07:06,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:07:06,864 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;@51befb03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:07:06,865 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:07:06,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 05:07:06,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 05:07:06,894 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:06,894 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:06,895 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:06,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:06,901 INFO L85 PathProgramCache]: Analyzing trace with hash 384047372, now seen corresponding path program 1 times [2023-11-19 05:07:06,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:07:06,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282355272] [2023-11-19 05:07:06,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:06,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:07:07,218 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:07:07,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1536066726] [2023-11-19 05:07:07,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:07,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:07:07,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:07:07,222 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:07:07,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:07:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:07:07,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:07:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:07:08,784 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:07:08,787 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:07:08,789 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:07:08,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:07:09,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:07:09,009 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:07:09,014 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:07:09,118 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-19 05:07:09,122 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-19 05:07:09,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-19 05:07:09,124 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-19 05:07:09,124 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-19 05:07:09,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 05:07:09,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 05:07:09,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-19 05:07:09,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-19 05:07:09,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 05:07:09,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 05:07:09,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 05:07:09,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-19 05:07:09,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 05:07:09,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-19 05:07:09,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 05:07:09,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 05:07:09,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-19 05:07:09,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 05:07:09,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 05:07:09,144 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:07:09,144 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 05:07:09,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 05:07:09,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-19 05:07:09,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 05:07:09,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-19 05:07:09,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-19 05:07:09,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-19 05:07:09,147 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:07:09,147 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 05:07:09,147 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-19 05:07:09,147 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 05:07:09,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 05:07:09,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-19 05:07:09,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 05:07:09,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 05:07:09,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 05:07:09,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 05:07:09,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-19 05:07:09,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-19 05:07:09,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 05:07:09,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 05:07:09,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-19 05:07:09,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-19 05:07:09,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:07:09,167 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:07:09,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 05:07:09,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 05:07:09,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 05:07:09,170 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 05:07:09,170 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-19 05:07:09,171 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-19 05:07:09,171 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 05:07:09,172 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 05:07:09,173 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 05:07:09,173 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 05:07:09,174 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 05:07:09,175 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 05:07:09,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:07:09 BoogieIcfgContainer [2023-11-19 05:07:09,229 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:07:09,230 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:07:09,230 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:07:09,231 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:07:09,231 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:06" (3/4) ... [2023-11-19 05:07:09,234 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:07:09,235 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:07:09,237 INFO L158 Benchmark]: Toolchain (without parser) took 5098.20ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 93.8MB in the beginning and 86.2MB in the end (delta: 7.6MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2023-11-19 05:07:09,238 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 140.5MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:07:09,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.33ms. Allocated memory is still 140.5MB. Free memory was 93.5MB in the beginning and 79.2MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:07:09,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.89ms. Allocated memory is still 140.5MB. Free memory was 79.2MB in the beginning and 75.2MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:07:09,249 INFO L158 Benchmark]: Boogie Preprocessor took 120.66ms. Allocated memory is still 140.5MB. Free memory was 75.2MB in the beginning and 72.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:07:09,252 INFO L158 Benchmark]: RCFGBuilder took 1860.30ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 72.0MB in the beginning and 74.6MB in the end (delta: -2.6MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2023-11-19 05:07:09,253 INFO L158 Benchmark]: TraceAbstraction took 2504.32ms. Allocated memory is still 188.7MB. Free memory was 74.6MB in the beginning and 86.2MB in the end (delta: -11.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:07:09,254 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 188.7MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:07:09,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 140.5MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 504.33ms. Allocated memory is still 140.5MB. Free memory was 93.5MB in the beginning and 79.2MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.89ms. Allocated memory is still 140.5MB. Free memory was 79.2MB in the beginning and 75.2MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.66ms. Allocated memory is still 140.5MB. Free memory was 75.2MB in the beginning and 72.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1860.30ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 72.0MB in the beginning and 74.6MB in the end (delta: -2.6MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2504.32ms. Allocated memory is still 188.7MB. Free memory was 74.6MB in the beginning and 86.2MB in the end (delta: -11.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 188.7MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someBinaryFLOATComparisonOperation at line 101. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L25-L27] double double_Array_0[1] = { 5.95 }; [L28-L30] float float_Array_0[2] = { 2.25, 16.875 }; [L31-L33] signed char signed_char_Array_0[2] = { -4, 10 }; [L34-L36] signed long int signed_long_int_Array_0[1] = { -100 }; [L37-L39] unsigned char unsigned_char_Array_0[7] = { 128, 200, 32, 128, 1, 8, 32 }; [L40] signed long int last_1_signed_long_int_Array_0_0_ = -100; [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] CALL updateLastVariables() [L98] EXPR signed_long_int_Array_0[0] [L98] last_1_signed_long_int_Array_0_0_ = signed_long_int_Array_0[0] [L108] RET updateLastVariables() [L109] CALL updateVariables() [L70] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L71] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L72] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L73] double_Array_0[0] = __VERIFIER_nondet_double() [L74] EXPR double_Array_0[0] [L74] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F [L74] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) [L74] EXPR double_Array_0[0] [L74] EXPR double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F [L74] EXPR double_Array_0[0] [L74] EXPR double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F [L74] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L74] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L75] EXPR double_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L75] CALL assume_abort_if_not(double_Array_0[0] != 0.0F) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(double_Array_0[0] != 0.0F) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L76] float_Array_0[1] = __VERIFIER_nondet_float() [L77] EXPR float_Array_0[1] [L77] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L77] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) [L77] EXPR float_Array_0[1] [L77] EXPR float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F [L77] EXPR float_Array_0[1] [L77] EXPR float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F [L77] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L77] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L78] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L79] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L79] CALL assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L80] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L80] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L81] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L82] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L82] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L83] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L83] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L84] unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L85] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L85] CALL assume_abort_if_not(unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L86] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L86] CALL assume_abort_if_not(unsigned_char_Array_0[2] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(unsigned_char_Array_0[2] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L87] unsigned_char_Array_0[3] = __VERIFIER_nondet_uchar() [L88] EXPR unsigned_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L88] CALL assume_abort_if_not(unsigned_char_Array_0[3] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(unsigned_char_Array_0[3] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L89] EXPR unsigned_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L89] CALL assume_abort_if_not(unsigned_char_Array_0[3] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(unsigned_char_Array_0[3] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L90] unsigned_char_Array_0[4] = __VERIFIER_nondet_uchar() [L91] EXPR unsigned_char_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L91] CALL assume_abort_if_not(unsigned_char_Array_0[4] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(unsigned_char_Array_0[4] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L92] EXPR unsigned_char_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L92] CALL assume_abort_if_not(unsigned_char_Array_0[4] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(unsigned_char_Array_0[4] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L93] unsigned_char_Array_0[5] = __VERIFIER_nondet_uchar() [L94] EXPR unsigned_char_Array_0[5] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L94] CALL assume_abort_if_not(unsigned_char_Array_0[5] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(unsigned_char_Array_0[5] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L95] EXPR unsigned_char_Array_0[5] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L95] CALL assume_abort_if_not(unsigned_char_Array_0[5] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(unsigned_char_Array_0[5] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L109] RET updateVariables() [L110] CALL step() [L44] EXPR float_Array_0[1] [L44] float_Array_0[0] = float_Array_0[1] [L45] EXPR signed_char_Array_0[1] [L45] signed_char_Array_0[0] = signed_char_Array_0[1] [L46] EXPR float_Array_0[0] [L46] EXPR double_Array_0[0] [L46] EXPR float_Array_0[0] [L46] COND TRUE (float_Array_0[0] / double_Array_0[0]) >= (float_Array_0[0] / 128.6) [L47] EXPR signed_char_Array_0[0] [L47] EXPR unsigned_char_Array_0[2] [L47] EXPR signed_char_Array_0[0] [L47] signed_long_int_Array_0[0] = ((signed_char_Array_0[0] + (unsigned_char_Array_0[2] + last_1_signed_long_int_Array_0_0_)) - signed_char_Array_0[0]) [L55] EXPR signed_long_int_Array_0[0] [L55] EXPR signed_char_Array_0[0] [L55] EXPR signed_long_int_Array_0[0] [L55] signed long int stepLocal_0 = (signed_long_int_Array_0[0] * signed_char_Array_0[0]) * signed_long_int_Array_0[0]; [L56] EXPR signed_char_Array_0[0] [L56] EXPR signed_long_int_Array_0[0] [L56] EXPR ((signed_char_Array_0[0]) > (signed_long_int_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_long_int_Array_0[0]) [L56] EXPR signed_char_Array_0[0] [L56] EXPR ((signed_char_Array_0[0]) > (signed_long_int_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_long_int_Array_0[0]) [L56] COND TRUE stepLocal_0 < ((((signed_char_Array_0[0]) > (signed_long_int_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_long_int_Array_0[0]))) [L57] EXPR unsigned_char_Array_0[2] [L57] unsigned_char_Array_0[6] = unsigned_char_Array_0[2] [L61] EXPR unsigned_char_Array_0[6] [L61] EXPR unsigned_char_Array_0[1] [L61] EXPR unsigned_char_Array_0[5] [L61] (unsigned_char_Array_0[6] == (unsigned_char_Array_0[1] - unsigned_char_Array_0[5])) && BOOL_unsigned_char_Array_0[0] [L61] EXPR BOOL_unsigned_char_Array_0[0] [L61] (unsigned_char_Array_0[6] == (unsigned_char_Array_0[1] - unsigned_char_Array_0[5])) && BOOL_unsigned_char_Array_0[0] [L61] COND TRUE (unsigned_char_Array_0[6] == (unsigned_char_Array_0[1] - unsigned_char_Array_0[5])) && BOOL_unsigned_char_Array_0[0] [L62] BOOL_unsigned_char_Array_0[0] [L62] COND TRUE BOOL_unsigned_char_Array_0[0] [L63] EXPR unsigned_char_Array_0[3] [L63] EXPR unsigned_char_Array_0[5] [L63] EXPR unsigned_char_Array_0[2] [L63] EXPR (((unsigned_char_Array_0[3] - unsigned_char_Array_0[5])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[3] - unsigned_char_Array_0[5])) : (unsigned_char_Array_0[2]) [L63] EXPR unsigned_char_Array_0[3] [L63] EXPR unsigned_char_Array_0[5] [L63] EXPR (((unsigned_char_Array_0[3] - unsigned_char_Array_0[5])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[3] - unsigned_char_Array_0[5])) : (unsigned_char_Array_0[2]) [L63] unsigned_char_Array_0[0] = (((((unsigned_char_Array_0[3] - unsigned_char_Array_0[5])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[3] - unsigned_char_Array_0[5])) : (unsigned_char_Array_0[2]))) [L110] RET step() [L111] CALL, EXPR property() [L101] EXPR signed_long_int_Array_0[0] [L101] EXPR signed_char_Array_0[0] [L101] EXPR signed_long_int_Array_0[0] [L101] EXPR signed_char_Array_0[0] [L101] EXPR signed_long_int_Array_0[0] [L101] EXPR ((signed_char_Array_0[0]) > (signed_long_int_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_long_int_Array_0[0]) [L101] EXPR signed_char_Array_0[0] [L101] EXPR ((signed_char_Array_0[0]) > (signed_long_int_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_long_int_Array_0[0]) [L101] EXPR (((signed_long_int_Array_0[0] * signed_char_Array_0[0]) * signed_long_int_Array_0[0]) < ((((signed_char_Array_0[0]) > (signed_long_int_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_long_int_Array_0[0])))) ? (unsigned_char_Array_0[6] == ((unsigned char) unsigned_char_Array_0[2])) : (unsigned_char_Array_0[6] == ((unsigned char) unsigned_char_Array_0[2])) [L101] EXPR unsigned_char_Array_0[6] [L101] EXPR unsigned_char_Array_0[2] [L101] EXPR (((signed_long_int_Array_0[0] * signed_char_Array_0[0]) * signed_long_int_Array_0[0]) < ((((signed_char_Array_0[0]) > (signed_long_int_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_long_int_Array_0[0])))) ? (unsigned_char_Array_0[6] == ((unsigned char) unsigned_char_Array_0[2])) : (unsigned_char_Array_0[6] == ((unsigned char) unsigned_char_Array_0[2])) [L101] EXPR ((((signed_long_int_Array_0[0] * signed_char_Array_0[0]) * signed_long_int_Array_0[0]) < ((((signed_char_Array_0[0]) > (signed_long_int_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_long_int_Array_0[0])))) ? (unsigned_char_Array_0[6] == ((unsigned char) unsigned_char_Array_0[2])) : (unsigned_char_Array_0[6] == ((unsigned char) unsigned_char_Array_0[2]))) && (((float_Array_0[0] / double_Array_0[0]) >= (float_Array_0[0] / 128.6)) ? (signed_long_int_Array_0[0] == ((signed long int) ((signed_char_Array_0[0] + (unsigned_char_Array_0[2] + last_1_signed_long_int_Array_0_0_)) - signed_char_Array_0[0]))) : ((float_Array_0[0] <= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) 256)) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0])))) [L101] EXPR float_Array_0[0] [L101] EXPR double_Array_0[0] [L101] EXPR float_Array_0[0] [L101] EXPR ((float_Array_0[0] / double_Array_0[0]) >= (float_Array_0[0] / 128.6)) ? (signed_long_int_Array_0[0] == ((signed long int) ((signed_char_Array_0[0] + (unsigned_char_Array_0[2] + last_1_signed_long_int_Array_0_0_)) - signed_char_Array_0[0]))) : ((float_Array_0[0] <= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) 256)) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0]))) [L101] EXPR float_Array_0[0] [L101] EXPR double_Array_0[0] [L101] EXPR (float_Array_0[0] <= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) 256)) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0])) [L101] EXPR signed_long_int_Array_0[0] [L101] EXPR (float_Array_0[0] <= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) 256)) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0])) [L101] EXPR ((float_Array_0[0] / double_Array_0[0]) >= (float_Array_0[0] / 128.6)) ? (signed_long_int_Array_0[0] == ((signed long int) ((signed_char_Array_0[0] + (unsigned_char_Array_0[2] + last_1_signed_long_int_Array_0_0_)) - signed_char_Array_0[0]))) : ((float_Array_0[0] <= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) 256)) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0]))) [L101] EXPR ((((signed_long_int_Array_0[0] * signed_char_Array_0[0]) * signed_long_int_Array_0[0]) < ((((signed_char_Array_0[0]) > (signed_long_int_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_long_int_Array_0[0])))) ? (unsigned_char_Array_0[6] == ((unsigned char) unsigned_char_Array_0[2])) : (unsigned_char_Array_0[6] == ((unsigned char) unsigned_char_Array_0[2]))) && (((float_Array_0[0] / double_Array_0[0]) >= (float_Array_0[0] / 128.6)) ? (signed_long_int_Array_0[0] == ((signed long int) ((signed_char_Array_0[0] + (unsigned_char_Array_0[2] + last_1_signed_long_int_Array_0_0_)) - signed_char_Array_0[0]))) : ((float_Array_0[0] <= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) 256)) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0])))) [L101] EXPR (((((signed_long_int_Array_0[0] * signed_char_Array_0[0]) * signed_long_int_Array_0[0]) < ((((signed_char_Array_0[0]) > (signed_long_int_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_long_int_Array_0[0])))) ? (unsigned_char_Array_0[6] == ((unsigned char) unsigned_char_Array_0[2])) : (unsigned_char_Array_0[6] == ((unsigned char) unsigned_char_Array_0[2]))) && (((float_Array_0[0] / double_Array_0[0]) >= (float_Array_0[0] / 128.6)) ? (signed_long_int_Array_0[0] == ((signed long int) ((signed_char_Array_0[0] + (unsigned_char_Array_0[2] + last_1_signed_long_int_Array_0_0_)) - signed_char_Array_0[0]))) : ((float_Array_0[0] <= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) 256)) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0]))))) && (((unsigned_char_Array_0[6] == (unsigned_char_Array_0[1] - unsigned_char_Array_0[5])) && BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0] == ((unsigned char) (((((unsigned_char_Array_0[3] - unsigned_char_Array_0[5])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[3] - unsigned_char_Array_0[5])) : (unsigned_char_Array_0[2]))))) : 1) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[4]))) [L101] EXPR ((((((signed_long_int_Array_0[0] * signed_char_Array_0[0]) * signed_long_int_Array_0[0]) < ((((signed_char_Array_0[0]) > (signed_long_int_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_long_int_Array_0[0])))) ? (unsigned_char_Array_0[6] == ((unsigned char) unsigned_char_Array_0[2])) : (unsigned_char_Array_0[6] == ((unsigned char) unsigned_char_Array_0[2]))) && (((float_Array_0[0] / double_Array_0[0]) >= (float_Array_0[0] / 128.6)) ? (signed_long_int_Array_0[0] == ((signed long int) ((signed_char_Array_0[0] + (unsigned_char_Array_0[2] + last_1_signed_long_int_Array_0_0_)) - signed_char_Array_0[0]))) : ((float_Array_0[0] <= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) 256)) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0]))))) && (((unsigned_char_Array_0[6] == (unsigned_char_Array_0[1] - unsigned_char_Array_0[5])) && BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0] == ((unsigned char) (((((unsigned_char_Array_0[3] - unsigned_char_Array_0[5])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[3] - unsigned_char_Array_0[5])) : (unsigned_char_Array_0[2]))))) : 1) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[4])))) && (float_Array_0[0] == ((float) float_Array_0[1])) [L101] EXPR (((((((signed_long_int_Array_0[0] * signed_char_Array_0[0]) * signed_long_int_Array_0[0]) < ((((signed_char_Array_0[0]) > (signed_long_int_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_long_int_Array_0[0])))) ? (unsigned_char_Array_0[6] == ((unsigned char) unsigned_char_Array_0[2])) : (unsigned_char_Array_0[6] == ((unsigned char) unsigned_char_Array_0[2]))) && (((float_Array_0[0] / double_Array_0[0]) >= (float_Array_0[0] / 128.6)) ? (signed_long_int_Array_0[0] == ((signed long int) ((signed_char_Array_0[0] + (unsigned_char_Array_0[2] + last_1_signed_long_int_Array_0_0_)) - signed_char_Array_0[0]))) : ((float_Array_0[0] <= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) 256)) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0]))))) && (((unsigned_char_Array_0[6] == (unsigned_char_Array_0[1] - unsigned_char_Array_0[5])) && BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0] == ((unsigned char) (((((unsigned_char_Array_0[3] - unsigned_char_Array_0[5])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[3] - unsigned_char_Array_0[5])) : (unsigned_char_Array_0[2]))))) : 1) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[4])))) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) [L101-L102] return (((((((signed_long_int_Array_0[0] * signed_char_Array_0[0]) * signed_long_int_Array_0[0]) < ((((signed_char_Array_0[0]) > (signed_long_int_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_long_int_Array_0[0])))) ? (unsigned_char_Array_0[6] == ((unsigned char) unsigned_char_Array_0[2])) : (unsigned_char_Array_0[6] == ((unsigned char) unsigned_char_Array_0[2]))) && (((float_Array_0[0] / double_Array_0[0]) >= (float_Array_0[0] / 128.6)) ? (signed_long_int_Array_0[0] == ((signed long int) ((signed_char_Array_0[0] + (unsigned_char_Array_0[2] + last_1_signed_long_int_Array_0_0_)) - signed_char_Array_0[0]))) : ((float_Array_0[0] <= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) 256)) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0]))))) && (((unsigned_char_Array_0[6] == (unsigned_char_Array_0[1] - unsigned_char_Array_0[5])) && BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[0] == ((unsigned char) (((((unsigned_char_Array_0[3] - unsigned_char_Array_0[5])) > (unsigned_char_Array_0[2])) ? ((unsigned_char_Array_0[3] - unsigned_char_Array_0[5])) : (unsigned_char_Array_0[2]))))) : 1) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[4])))) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-100, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_char_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 17, 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=43occurred 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 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 [2023-11-19 05:07:09,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ --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 c0b4e00ed6b48bb07fe90a496ec4ca5231949ecbe9421f0d7744d947fc9f4864 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:07:12,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:07:12,313 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:07:12,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:07:12,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:07:12,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:07:12,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:07:12,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:07:12,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:07:12,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:07:12,381 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:07:12,381 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:07:12,382 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:07:12,383 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:07:12,384 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:07:12,384 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:07:12,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:07:12,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:07:12,387 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:07:12,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:07:12,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:07:12,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:07:12,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:07:12,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:07:12,390 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:07:12,391 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:07:12,391 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:07:12,392 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:07:12,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:07:12,393 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:07:12,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:07:12,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:07:12,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:07:12,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:12,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:07:12,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:07:12,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:07:12,397 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:07:12,397 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:07:12,398 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:07:12,399 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:07:12,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:07:12,400 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_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0b4e00ed6b48bb07fe90a496ec4ca5231949ecbe9421f0d7744d947fc9f4864 [2023-11-19 05:07:12,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:07:12,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:07:12,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:07:12,988 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:07:12,988 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:07:12,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-75.i [2023-11-19 05:07:16,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:07:16,868 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:07:16,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-75.i [2023-11-19 05:07:16,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/data/b4f4f713d/e660ed84836246069c80a188dbfd28e7/FLAGad6720a54 [2023-11-19 05:07:16,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/data/b4f4f713d/e660ed84836246069c80a188dbfd28e7 [2023-11-19 05:07:16,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:07:16,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:07:16,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:16,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:07:16,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:07:16,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:16" (1/1) ... [2023-11-19 05:07:16,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d38906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:16, skipping insertion in model container [2023-11-19 05:07:16,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:16" (1/1) ... [2023-11-19 05:07:16,970 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:07:17,142 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_952b49c6-9e32-4050-acc4-288005ab20e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-75.i[916,929] [2023-11-19 05:07:17,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:17,235 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:07:17,250 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_952b49c6-9e32-4050-acc4-288005ab20e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-75.i[916,929] [2023-11-19 05:07:17,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:17,416 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:07:17,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:17 WrapperNode [2023-11-19 05:07:17,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:17,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:17,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:07:17,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:07:17,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:17" (1/1) ... [2023-11-19 05:07:17,464 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:17" (1/1) ... [2023-11-19 05:07:17,519 INFO L138 Inliner]: procedures = 36, calls = 165, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 415 [2023-11-19 05:07:17,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:17,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:07:17,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:07:17,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:07:17,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:17" (1/1) ... [2023-11-19 05:07:17,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:17" (1/1) ... [2023-11-19 05:07:17,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:17" (1/1) ... [2023-11-19 05:07:17,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:17" (1/1) ... [2023-11-19 05:07:17,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:17" (1/1) ... [2023-11-19 05:07:17,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:17" (1/1) ... [2023-11-19 05:07:17,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:17" (1/1) ... [2023-11-19 05:07:17,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:17" (1/1) ... [2023-11-19 05:07:17,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:07:17,662 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:07:17,662 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:07:17,662 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:07:17,663 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:17" (1/1) ... [2023-11-19 05:07:17,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:17,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:07:17,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:07:17,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:07:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:07:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 05:07:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 05:07:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 05:07:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:07:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 05:07:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 05:07:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-19 05:07:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:07:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 05:07:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 05:07:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:07:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:07:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:07:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:07:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 05:07:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:07:17,898 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:07:17,908 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:07:29,250 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:07:29,269 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:07:29,270 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:07:29,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:29 BoogieIcfgContainer [2023-11-19 05:07:29,278 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:07:29,283 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:07:29,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:07:29,288 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:07:29,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:07:16" (1/3) ... [2023-11-19 05:07:29,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1acea939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:29, skipping insertion in model container [2023-11-19 05:07:29,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:17" (2/3) ... [2023-11-19 05:07:29,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1acea939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:29, skipping insertion in model container [2023-11-19 05:07:29,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:29" (3/3) ... [2023-11-19 05:07:29,296 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-75.i [2023-11-19 05:07:29,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:07:29,321 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:07:29,378 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:07:29,386 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;@7a364cab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:07:29,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:07:29,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 77 states have (on average 1.4025974025974026) internal successors, (108), 78 states have internal predecessors, (108), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 05:07:29,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-19 05:07:29,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:29,411 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:29,412 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:29,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:29,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1312223039, now seen corresponding path program 1 times [2023-11-19 05:07:29,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:29,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [776243192] [2023-11-19 05:07:29,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:29,435 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 [2023-11-19 05:07:29,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:29,437 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:07:29,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:31,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:07:31,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:31,536 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-19 05:07:31,536 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:31,537 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:31,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [776243192] [2023-11-19 05:07:31,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [776243192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:31,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:31,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:07:31,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710857128] [2023-11-19 05:07:31,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:31,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:07:31,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:31,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:07:31,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:07:31,597 INFO L87 Difference]: Start difference. First operand has 97 states, 77 states have (on average 1.4025974025974026) internal successors, (108), 78 states have internal predecessors, (108), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 05:07:31,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:31,659 INFO L93 Difference]: Finished difference Result 187 states and 295 transitions. [2023-11-19 05:07:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:07:31,662 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 136 [2023-11-19 05:07:31,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:31,671 INFO L225 Difference]: With dead ends: 187 [2023-11-19 05:07:31,672 INFO L226 Difference]: Without dead ends: 93 [2023-11-19 05:07:31,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:07:31,681 INFO L413 NwaCegarLoop]: 135 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, 135 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 [2023-11-19 05:07:31,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:07:31,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-19 05:07:31,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-11-19 05:07:31,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 74 states have (on average 1.364864864864865) internal successors, (101), 74 states have internal predecessors, (101), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 05:07:31,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2023-11-19 05:07:31,767 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 136 [2023-11-19 05:07:31,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:31,768 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2023-11-19 05:07:31,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 05:07:31,769 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2023-11-19 05:07:31,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-19 05:07:31,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:31,780 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:31,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:32,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:32,003 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:32,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:32,004 INFO L85 PathProgramCache]: Analyzing trace with hash 713516633, now seen corresponding path program 1 times [2023-11-19 05:07:32,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:32,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403952126] [2023-11-19 05:07:32,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:32,006 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 [2023-11-19 05:07:32,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:32,007 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:07:32,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:34,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:07:34,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:34,403 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-19 05:07:34,403 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:34,403 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:34,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [403952126] [2023-11-19 05:07:34,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [403952126] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:34,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:34,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:07:34,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784073751] [2023-11-19 05:07:34,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:34,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:07:34,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:34,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:07:34,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:07:34,410 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 05:07:34,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:34,959 INFO L93 Difference]: Finished difference Result 189 states and 276 transitions. [2023-11-19 05:07:34,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:07:34,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 136 [2023-11-19 05:07:34,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:34,964 INFO L225 Difference]: With dead ends: 189 [2023-11-19 05:07:34,964 INFO L226 Difference]: Without dead ends: 99 [2023-11-19 05:07:34,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:07:34,968 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 10 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:34,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 390 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 05:07:34,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-19 05:07:34,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2023-11-19 05:07:35,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 76 states have (on average 1.355263157894737) internal successors, (103), 76 states have internal predecessors, (103), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 05:07:35,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2023-11-19 05:07:35,003 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 136 [2023-11-19 05:07:35,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:35,004 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2023-11-19 05:07:35,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 05:07:35,004 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2023-11-19 05:07:35,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-19 05:07:35,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:35,007 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:35,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:35,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:35,230 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:35,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:35,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1995688919, now seen corresponding path program 1 times [2023-11-19 05:07:35,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:35,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772410951] [2023-11-19 05:07:35,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:35,233 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 [2023-11-19 05:07:35,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:35,235 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:07:35,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:37,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:07:37,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:37,746 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 05:07:37,746 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:37,747 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:37,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772410951] [2023-11-19 05:07:37,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772410951] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:37,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:37,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:07:37,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580219786] [2023-11-19 05:07:37,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:37,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:07:37,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:37,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:07:37,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:07:37,754 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 05:07:38,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:38,679 INFO L93 Difference]: Finished difference Result 202 states and 292 transitions. [2023-11-19 05:07:38,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:07:38,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2023-11-19 05:07:38,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:38,683 INFO L225 Difference]: With dead ends: 202 [2023-11-19 05:07:38,683 INFO L226 Difference]: Without dead ends: 110 [2023-11-19 05:07:38,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:07:38,687 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 28 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:38,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 509 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 05:07:38,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-19 05:07:38,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 99. [2023-11-19 05:07:38,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 80 states have (on average 1.3375) internal successors, (107), 80 states have internal predecessors, (107), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 05:07:38,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2023-11-19 05:07:38,701 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 136 [2023-11-19 05:07:38,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:38,702 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2023-11-19 05:07:38,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 05:07:38,703 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-19 05:07:38,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-19 05:07:38,705 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:38,705 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:38,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:38,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:38,931 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:38,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:38,931 INFO L85 PathProgramCache]: Analyzing trace with hash -524271015, now seen corresponding path program 1 times [2023-11-19 05:07:38,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:38,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413435557] [2023-11-19 05:07:38,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:38,933 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 [2023-11-19 05:07:38,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:38,939 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:07:38,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:41,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:07:41,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:41,729 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 05:07:41,730 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:41,730 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:41,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1413435557] [2023-11-19 05:07:41,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1413435557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:41,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:41,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:07:41,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136810108] [2023-11-19 05:07:41,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:41,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:07:41,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:41,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:07:41,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:07:41,734 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 05:07:43,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:43,445 INFO L93 Difference]: Finished difference Result 207 states and 294 transitions. [2023-11-19 05:07:43,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 05:07:43,448 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2023-11-19 05:07:43,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:43,451 INFO L225 Difference]: With dead ends: 207 [2023-11-19 05:07:43,451 INFO L226 Difference]: Without dead ends: 111 [2023-11-19 05:07:43,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:07:43,455 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 22 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:43,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 629 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 05:07:43,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-19 05:07:43,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 101. [2023-11-19 05:07:43,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 82 states have (on average 1.329268292682927) internal successors, (109), 82 states have internal predecessors, (109), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 05:07:43,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2023-11-19 05:07:43,471 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 136 [2023-11-19 05:07:43,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:43,472 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2023-11-19 05:07:43,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 05:07:43,473 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2023-11-19 05:07:43,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-19 05:07:43,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:43,476 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:43,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:07:43,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:07:43,691 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:43,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:43,692 INFO L85 PathProgramCache]: Analyzing trace with hash -522423973, now seen corresponding path program 1 times [2023-11-19 05:07:43,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:43,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [73469165] [2023-11-19 05:07:43,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:43,693 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 [2023-11-19 05:07:43,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:43,694 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:07:43,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952b49c6-9e32-4050-acc4-288005ab20e7/bin/utaipan-verify-t7M7D8N6sZ/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 (6)] Waiting until timeout for monitored process [2023-11-19 05:07:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:46,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 05:07:46,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:55,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 05:07:55,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2023-11-19 05:07:56,047 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:07:56,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 42 [2023-11-19 05:07:56,660 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:07:56,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 35 [2023-11-19 05:07:57,061 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 05:07:57,061 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:57,061 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:57,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [73469165] [2023-11-19 05:07:57,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [73469165] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:57,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:57,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 05:07:57,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782659273] [2023-11-19 05:07:57,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:57,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 05:07:57,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:57,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 05:07:57,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:07:57,066 INFO L87 Difference]: Start difference. First operand 101 states and 143 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)