./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh --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 fe103abec3f23b9220fc27d353077bb400dd5c7891b2e57e9df1b29c2b5149ac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:50:48,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:50:48,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:50:48,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:50:48,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:50:48,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:50:48,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:50:48,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:50:48,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:50:48,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:50:48,319 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:50:48,320 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:50:48,320 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:50:48,321 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:50:48,321 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:50:48,322 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:50:48,322 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:50:48,323 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:50:48,323 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:50:48,324 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:50:48,324 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:50:48,325 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:50:48,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:50:48,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:50:48,326 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:50:48,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:50:48,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:50:48,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:50:48,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:50:48,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:50:48,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:50:48,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:50:48,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:50:48,330 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:50:48,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:50:48,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:50:48,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:50:48,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:50:48,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:50:48,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:50:48,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:50:48,332 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:50:48,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:50:48,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:50:48,333 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:50:48,333 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:50:48,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:50:48,333 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_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe103abec3f23b9220fc27d353077bb400dd5c7891b2e57e9df1b29c2b5149ac [2023-12-02 19:50:48,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:50:48,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:50:48,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:50:48,575 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:50:48,575 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:50:48,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-12.i [2023-12-02 19:50:51,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:50:51,509 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:50:51,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-12.i [2023-12-02 19:50:51,520 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/data/36020d8e1/b2aee5c20d6347639d4bd684fb582786/FLAG244a9e2e4 [2023-12-02 19:50:51,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/data/36020d8e1/b2aee5c20d6347639d4bd684fb582786 [2023-12-02 19:50:51,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:50:51,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:50:51,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:50:51,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:50:51,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:50:51,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:50:51" (1/1) ... [2023-12-02 19:50:51,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292802a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:51, skipping insertion in model container [2023-12-02 19:50:51,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:50:51" (1/1) ... [2023-12-02 19:50:51,589 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:50:51,736 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_2a83b308-9393-4efe-9698-744715b846f3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-12.i[919,932] [2023-12-02 19:50:51,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:50:51,815 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:50:51,827 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_2a83b308-9393-4efe-9698-744715b846f3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-12.i[919,932] [2023-12-02 19:50:51,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:50:51,875 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:50:51,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:51 WrapperNode [2023-12-02 19:50:51,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:50:51,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:50:51,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:50:51,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:50:51,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:51" (1/1) ... [2023-12-02 19:50:51,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:51" (1/1) ... [2023-12-02 19:50:51,935 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2023-12-02 19:50:51,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:50:51,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:50:51,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:50:51,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:50:51,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:51" (1/1) ... [2023-12-02 19:50:51,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:51" (1/1) ... [2023-12-02 19:50:51,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:51" (1/1) ... [2023-12-02 19:50:51,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:51" (1/1) ... [2023-12-02 19:50:51,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:51" (1/1) ... [2023-12-02 19:50:51,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:51" (1/1) ... [2023-12-02 19:50:51,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:51" (1/1) ... [2023-12-02 19:50:51,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:51" (1/1) ... [2023-12-02 19:50:51,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:50:51,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:50:51,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:50:51,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:50:51,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:51" (1/1) ... [2023-12-02 19:50:51,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:50:52,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:50:52,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:50:52,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:50:52,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:50:52,044 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:50:52,044 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:50:52,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:50:52,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:50:52,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:50:52,127 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:50:52,129 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:50:52,548 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:50:52,881 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:50:52,881 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:50:52,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:50:52 BoogieIcfgContainer [2023-12-02 19:50:52,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:50:52,886 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:50:52,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:50:52,890 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:50:52,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:50:51" (1/3) ... [2023-12-02 19:50:52,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b287c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:50:52, skipping insertion in model container [2023-12-02 19:50:52,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:51" (2/3) ... [2023-12-02 19:50:52,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b287c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:50:52, skipping insertion in model container [2023-12-02 19:50:52,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:50:52" (3/3) ... [2023-12-02 19:50:52,893 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-12.i [2023-12-02 19:50:52,911 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:50:52,912 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:50:52,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:50:52,967 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;@5cb62597, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:50:52,967 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:50:52,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 19:50:52,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 19:50:52,987 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:50:52,987 INFO L195 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:50:52,988 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:50:52,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:50:52,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1551316754, now seen corresponding path program 1 times [2023-12-02 19:50:53,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:50:53,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969653912] [2023-12-02 19:50:53,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:50:53,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:50:53,175 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 19:50:53,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1962329229] [2023-12-02 19:50:53,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:50:53,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:50:53,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:50:53,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:50:53,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 19:50:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:50:53,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 19:50:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:50:54,081 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 19:50:54,083 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 19:50:54,084 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:50:54,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:50:54,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 19:50:54,292 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 19:50:54,296 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:50:54,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:50:54 BoogieIcfgContainer [2023-12-02 19:50:54,414 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:50:54,415 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:50:54,415 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:50:54,415 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:50:54,415 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:50:52" (3/4) ... [2023-12-02 19:50:54,417 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 19:50:54,419 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:50:54,420 INFO L158 Benchmark]: Toolchain (without parser) took 2880.77ms. Allocated memory was 167.8MB in the beginning and 211.8MB in the end (delta: 44.0MB). Free memory was 125.7MB in the beginning and 154.4MB in the end (delta: -28.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-12-02 19:50:54,420 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory was 139.6MB in the beginning and 139.5MB in the end (delta: 76.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:50:54,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.71ms. Allocated memory is still 167.8MB. Free memory was 125.2MB in the beginning and 109.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 19:50:54,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.03ms. Allocated memory is still 167.8MB. Free memory was 109.6MB in the beginning and 104.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 19:50:54,422 INFO L158 Benchmark]: Boogie Preprocessor took 46.22ms. Allocated memory is still 167.8MB. Free memory was 104.7MB in the beginning and 102.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:50:54,423 INFO L158 Benchmark]: RCFGBuilder took 900.25ms. Allocated memory was 167.8MB in the beginning and 211.8MB in the end (delta: 44.0MB). Free memory was 102.2MB in the beginning and 137.7MB in the end (delta: -35.5MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-12-02 19:50:54,424 INFO L158 Benchmark]: TraceAbstraction took 1527.83ms. Allocated memory is still 211.8MB. Free memory was 136.6MB in the beginning and 155.5MB in the end (delta: -18.8MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2023-12-02 19:50:54,424 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 211.8MB. Free memory was 155.5MB in the beginning and 154.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:50:54,428 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory was 139.6MB in the beginning and 139.5MB in the end (delta: 76.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.71ms. Allocated memory is still 167.8MB. Free memory was 125.2MB in the beginning and 109.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.03ms. Allocated memory is still 167.8MB. Free memory was 109.6MB in the beginning and 104.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.22ms. Allocated memory is still 167.8MB. Free memory was 104.7MB in the beginning and 102.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 900.25ms. Allocated memory was 167.8MB in the beginning and 211.8MB in the end (delta: 44.0MB). Free memory was 102.2MB in the beginning and 137.7MB in the end (delta: -35.5MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1527.83ms. Allocated memory is still 211.8MB. Free memory was 136.6MB in the beginning and 155.5MB in the end (delta: -18.8MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 211.8MB. Free memory was 155.5MB in the beginning and 154.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 136, overapproximation of someUnaryDOUBLEoperation at line 35, overapproximation of someBinaryArithmeticDOUBLEoperation at line 143, overapproximation of someBinaryDOUBLEComparisonOperation at line 208. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_5 = 128; [L24] unsigned char var_1_6 = 10; [L25] unsigned char var_1_7 = 0; [L26] signed long int var_1_8 = 128; [L27] signed long int var_1_9 = 1967984875; [L28] float var_1_10 = 256.625; [L29] float var_1_11 = 24.5; [L30] float var_1_12 = 999999.25; [L31] unsigned char var_1_13 = 1; [L32] unsigned char var_1_14 = 0; [L33] double var_1_15 = 127.3; [L34] float var_1_16 = 15.8; [L35] double var_1_17 = -0.4; [L36] unsigned long int var_1_18 = 8; [L37] unsigned long int var_1_19 = 2366774301; [L38] unsigned char var_1_20 = 0; [L39] signed short int var_1_21 = 5; [L40] signed char var_1_22 = 0; [L41] signed char var_1_23 = 2; [L42] unsigned char var_1_24 = 1; [L43] unsigned char var_1_26 = 1; [L44] unsigned char var_1_27 = 0; [L45] unsigned char var_1_28 = 0; [L46] signed long int var_1_29 = -128; [L47] signed short int var_1_35 = -50; [L48] unsigned long int var_1_36 = 4; [L49] unsigned short int var_1_40 = 16; [L50] unsigned short int var_1_43 = 48844; [L51] unsigned short int var_1_44 = 25575; [L52] unsigned short int var_1_45 = 10000; [L53] unsigned long int var_1_47 = 4; [L54] signed char var_1_48 = 2; [L55] signed char var_1_50 = -2; [L56] unsigned char last_1_var_1_1 = 5; [L57] unsigned long int last_1_var_1_18 = 8; [L58] signed char last_1_var_1_22 = 0; [L212] isInitial = 1 [L213] FCALL initially() [L214] COND TRUE 1 [L215] CALL updateLastVariables() [L203] last_1_var_1_1 = var_1_1 [L204] last_1_var_1_18 = var_1_18 [L205] last_1_var_1_22 = var_1_22 [L215] RET updateLastVariables() [L216] CALL updateVariables() [L147] var_1_5 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_5 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_5 >= 127) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L149] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L150] var_1_6 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L152] CALL assume_abort_if_not(var_1_6 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_6 <= 64) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L153] var_1_7 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_8=128, var_1_9=1967984875] [L155] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=1967984875] [L156] var_1_9 = __VERIFIER_nondet_long() [L157] CALL assume_abort_if_not(var_1_9 >= 1073741822) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_9 >= 1073741822) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L158] CALL assume_abort_if_not(var_1_9 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_9 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L159] var_1_11 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L161] var_1_12 = __VERIFIER_nondet_float() [L162] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L163] var_1_13 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L165] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L166] var_1_14 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L168] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L169] var_1_16 = __VERIFIER_nondet_float() [L170] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L171] CALL assume_abort_if_not(var_1_16 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_16 != 0.0F) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L172] var_1_17 = __VERIFIER_nondet_double() [L173] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L174] var_1_19 = __VERIFIER_nondet_ulong() [L175] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L176] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L177] var_1_20 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L179] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L180] var_1_23 = __VERIFIER_nondet_char() [L181] CALL assume_abort_if_not(var_1_23 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_23 >= -63) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L182] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L183] var_1_26 = __VERIFIER_nondet_uchar() [L184] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L185] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L186] var_1_27 = __VERIFIER_nondet_uchar() [L187] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L188] CALL assume_abort_if_not(var_1_27 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_27 <= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L189] var_1_28 = __VERIFIER_nondet_uchar() [L190] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L191] CALL assume_abort_if_not(var_1_28 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_28 <= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=48844, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L192] var_1_43 = __VERIFIER_nondet_ushort() [L193] CALL assume_abort_if_not(var_1_43 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=32767, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_43 >= 32767) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=32767, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L194] CALL assume_abort_if_not(var_1_43 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=32767, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_43 <= 65534) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=32767, var_1_44=25575, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L195] var_1_44 = __VERIFIER_nondet_ushort() [L196] CALL assume_abort_if_not(var_1_44 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=32767, var_1_44=16383, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_44 >= 16383) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=32767, var_1_44=16383, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L197] CALL assume_abort_if_not(var_1_44 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=32767, var_1_44=16383, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L197] RET assume_abort_if_not(var_1_44 <= 32767) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=32767, var_1_44=16383, var_1_45=10000, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L198] var_1_45 = __VERIFIER_nondet_ushort() [L199] CALL assume_abort_if_not(var_1_45 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=32767, var_1_44=16383, var_1_45=16383, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not(var_1_45 >= 8191) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=32767, var_1_44=16383, var_1_45=16383, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L200] CALL assume_abort_if_not(var_1_45 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=32767, var_1_44=16383, var_1_45=16383, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L200] RET assume_abort_if_not(var_1_45 <= 16383) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=8, var_1_19=4294967294, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=63, var_1_24=1, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=-128, var_1_35=-50, var_1_36=4, var_1_40=16, var_1_43=32767, var_1_44=16383, var_1_45=16383, var_1_47=4, var_1_48=2, var_1_50=-2, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L216] RET updateVariables() [L217] CALL step() [L62] COND FALSE !(\read(var_1_20)) [L65] COND TRUE \read(var_1_26) [L66] var_1_24 = var_1_27 [L71] COND FALSE !((var_1_18 * var_1_7) < ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) [L78] var_1_29 = var_1_7 [L80] COND TRUE var_1_7 < ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))) [L81] COND FALSE !(\read(var_1_27)) [L85] COND FALSE !(var_1_18 < (var_1_8 / var_1_5)) [L88] COND TRUE (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) / var_1_5) < var_1_21 [L89] var_1_36 = var_1_9 [L92] COND FALSE !(var_1_6 > var_1_7) [L97] var_1_40 = (var_1_43 - (var_1_44 - (var_1_45 - var_1_5))) [L99] COND TRUE var_1_6 >= (~ ((((var_1_6) > (var_1_44)) ? (var_1_6) : (var_1_44)))) [L100] COND TRUE var_1_23 >= (~ var_1_5) [L101] var_1_47 = (var_1_44 + var_1_1) [L104] var_1_48 = var_1_6 [L105] var_1_50 = var_1_6 [L106] unsigned char stepLocal_2 = var_1_9 >= last_1_var_1_22; [L107] signed long int stepLocal_1 = last_1_var_1_1; [L108] COND FALSE !(stepLocal_1 > last_1_var_1_18) [L111] COND TRUE var_1_20 || stepLocal_2 [L112] var_1_18 = var_1_6 [L117] COND FALSE !(last_1_var_1_1 > (var_1_18 * var_1_18)) [L120] var_1_1 = ((((var_1_7) < ((((((16) < 0 ) ? -(16) : (16))) + var_1_6))) ? (var_1_7) : ((((((16) < 0 ) ? -(16) : (16))) + var_1_6)))) [L122] var_1_21 = ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) [L123] unsigned char stepLocal_0 = var_1_6; [L124] COND TRUE (- var_1_18) > stepLocal_0 [L125] var_1_8 = ((var_1_9 - var_1_21) - var_1_5) [L127] signed long int stepLocal_3 = var_1_8; [L128] COND FALSE !(var_1_18 == stepLocal_3) [L135] COND TRUE var_1_8 != ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))) [L136] var_1_10 = ((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))) [L142] COND TRUE (var_1_12 / var_1_16) >= var_1_10 [L143] var_1_15 = (var_1_17 + 255.5) [L217] RET step() [L218] CALL, EXPR property() [L208-L209] return (((((((last_1_var_1_1 > (var_1_18 * var_1_18)) ? (var_1_1 == ((unsigned char) (var_1_5 - (var_1_6 + var_1_7)))) : (var_1_1 == ((unsigned char) ((((var_1_7) < ((((((16) < 0 ) ? -(16) : (16))) + var_1_6))) ? (var_1_7) : ((((((16) < 0 ) ? -(16) : (16))) + var_1_6))))))) && (((- var_1_18) > var_1_6) ? (var_1_8 == ((signed long int) ((var_1_9 - var_1_21) - var_1_5))) : 1)) && ((var_1_8 != ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5)))) ? (var_1_10 == ((float) ((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))))) : ((var_1_13 || var_1_14) ? (var_1_10 == ((float) var_1_11)) : 1))) && (((var_1_12 / var_1_16) >= var_1_10) ? (var_1_15 == ((double) (var_1_17 + 255.5))) : 1)) && ((last_1_var_1_1 > last_1_var_1_18) ? (var_1_18 == ((unsigned long int) ((((var_1_9) < ((var_1_19 - var_1_6))) ? (var_1_9) : ((var_1_19 - var_1_6)))))) : ((var_1_20 || (var_1_9 >= last_1_var_1_22)) ? (var_1_18 == ((unsigned long int) var_1_6)) : (var_1_18 == ((unsigned long int) var_1_7))))) && (var_1_21 == ((signed short int) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))))) && ((var_1_18 == var_1_8) ? ((! var_1_20) ? (var_1_22 == ((signed char) ((((var_1_6) > ((5 - var_1_7))) ? (var_1_6) : ((5 - var_1_7)))))) : (var_1_22 == ((signed char) (var_1_7 + var_1_23)))) : 1) ; [L218] RET, EXPR property() [L218] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=47, var_1_19=4294967294, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=0, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=2147483646, var_1_40=32640, var_1_43=32767, var_1_44=16383, var_1_45=16383, var_1_47=16388, var_1_48=47, var_1_50=47, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=2147483456, var_1_9=2147483646] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_18=47, var_1_19=4294967294, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=0, var_1_23=63, var_1_24=0, var_1_26=1, var_1_27=0, var_1_28=0, var_1_29=63, var_1_35=-50, var_1_36=2147483646, var_1_40=32640, var_1_43=32767, var_1_44=16383, var_1_45=16383, var_1_47=16388, var_1_48=47, var_1_50=47, var_1_5=127, var_1_6=47, var_1_7=63, var_1_8=2147483456, var_1_9=2147483646] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 35, 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=63occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 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 [2023-12-02 19:50:54,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh --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 fe103abec3f23b9220fc27d353077bb400dd5c7891b2e57e9df1b29c2b5149ac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:50:56,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:50:56,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 19:50:56,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:50:56,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:50:56,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:50:56,495 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:50:56,495 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:50:56,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:50:56,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:50:56,497 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:50:56,498 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:50:56,498 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:50:56,499 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:50:56,499 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:50:56,500 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:50:56,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:50:56,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:50:56,502 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:50:56,502 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:50:56,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:50:56,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:50:56,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:50:56,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:50:56,506 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:50:56,507 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 19:50:56,507 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 19:50:56,507 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:50:56,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:50:56,508 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:50:56,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:50:56,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 19:50:56,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:50:56,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:50:56,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:50:56,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:50:56,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:50:56,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:50:56,511 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 19:50:56,511 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 19:50:56,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:50:56,512 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:50:56,512 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:50:56,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:50:56,512 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_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe103abec3f23b9220fc27d353077bb400dd5c7891b2e57e9df1b29c2b5149ac [2023-12-02 19:50:56,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:50:56,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:50:56,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:50:56,844 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:50:56,844 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:50:56,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-12.i [2023-12-02 19:50:59,579 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:50:59,789 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:50:59,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-12.i [2023-12-02 19:50:59,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/data/f22e1a868/565e1025c53a417390a6982074588784/FLAGcec5368b4 [2023-12-02 19:50:59,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/data/f22e1a868/565e1025c53a417390a6982074588784 [2023-12-02 19:50:59,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:50:59,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:50:59,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:50:59,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:50:59,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:50:59,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:50:59" (1/1) ... [2023-12-02 19:50:59,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325dd169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:59, skipping insertion in model container [2023-12-02 19:50:59,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:50:59" (1/1) ... [2023-12-02 19:50:59,857 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:51:00,005 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_2a83b308-9393-4efe-9698-744715b846f3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-12.i[919,932] [2023-12-02 19:51:00,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:51:00,093 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:51:00,106 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_2a83b308-9393-4efe-9698-744715b846f3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-12.i[919,932] [2023-12-02 19:51:00,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:51:00,164 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:51:00,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:51:00 WrapperNode [2023-12-02 19:51:00,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:51:00,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:51:00,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:51:00,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:51:00,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:51:00" (1/1) ... [2023-12-02 19:51:00,187 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:51:00" (1/1) ... [2023-12-02 19:51:00,218 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 217 [2023-12-02 19:51:00,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:51:00,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:51:00,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:51:00,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:51:00,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:51:00" (1/1) ... [2023-12-02 19:51:00,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:51:00" (1/1) ... [2023-12-02 19:51:00,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:51:00" (1/1) ... [2023-12-02 19:51:00,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:51:00" (1/1) ... [2023-12-02 19:51:00,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:51:00" (1/1) ... [2023-12-02 19:51:00,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:51:00" (1/1) ... [2023-12-02 19:51:00,256 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:51:00" (1/1) ... [2023-12-02 19:51:00,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:51:00" (1/1) ... [2023-12-02 19:51:00,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:51:00,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:51:00,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:51:00,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:51:00,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:51:00" (1/1) ... [2023-12-02 19:51:00,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:51:00,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:51:00,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:51:00,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:51:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:51:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 19:51:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:51:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:51:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:51:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:51:00,443 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:51:00,446 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:51:03,683 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:51:03,727 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:51:03,727 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:51:03,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:51:03 BoogieIcfgContainer [2023-12-02 19:51:03,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:51:03,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:51:03,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:51:03,734 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:51:03,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:50:59" (1/3) ... [2023-12-02 19:51:03,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31429d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:51:03, skipping insertion in model container [2023-12-02 19:51:03,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:51:00" (2/3) ... [2023-12-02 19:51:03,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31429d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:51:03, skipping insertion in model container [2023-12-02 19:51:03,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:51:03" (3/3) ... [2023-12-02 19:51:03,738 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-12.i [2023-12-02 19:51:03,757 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:51:03,757 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:51:03,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:51:03,809 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;@1b0a4f0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:51:03,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:51:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 53 states have (on average 1.490566037735849) internal successors, (79), 54 states have internal predecessors, (79), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 19:51:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-02 19:51:03,832 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:51:03,833 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:51:03,833 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:51:03,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:51:03,839 INFO L85 PathProgramCache]: Analyzing trace with hash 455693179, now seen corresponding path program 1 times [2023-12-02 19:51:03,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:51:03,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435051745] [2023-12-02 19:51:03,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:51:03,852 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 [2023-12-02 19:51:03,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:51:03,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 19:51:03,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:51:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:51:04,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 19:51:04,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:51:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1080 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-02 19:51:04,452 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:51:04,453 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:51:04,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435051745] [2023-12-02 19:51:04,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1435051745] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:51:04,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:51:04,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:51:04,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190472193] [2023-12-02 19:51:04,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:51:04,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:51:04,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:51:04,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:51:04,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:51:04,494 INFO L87 Difference]: Start difference. First operand has 91 states, 53 states have (on average 1.490566037735849) internal successors, (79), 54 states have internal predecessors, (79), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 19:51:06,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:06,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:51:06,710 INFO L93 Difference]: Finished difference Result 179 states and 331 transitions. [2023-12-02 19:51:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 19:51:06,752 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 214 [2023-12-02 19:51:06,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:51:06,759 INFO L225 Difference]: With dead ends: 179 [2023-12-02 19:51:06,759 INFO L226 Difference]: Without dead ends: 89 [2023-12-02 19:51:06,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:51:06,766 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 19:51:06,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 19:51:06,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-12-02 19:51:06,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-12-02 19:51:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 19:51:06,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 143 transitions. [2023-12-02 19:51:06,811 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 143 transitions. Word has length 214 [2023-12-02 19:51:06,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:51:06,812 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 143 transitions. [2023-12-02 19:51:06,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 19:51:06,812 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 143 transitions. [2023-12-02 19:51:06,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-12-02 19:51:06,818 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:51:06,818 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:51:06,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:51:07,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:51:07,019 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:51:07,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:51:07,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1745780871, now seen corresponding path program 1 times [2023-12-02 19:51:07,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:51:07,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055631266] [2023-12-02 19:51:07,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:51:07,022 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 [2023-12-02 19:51:07,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:51:07,023 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 19:51:07,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:51:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:51:07,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 19:51:07,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:51:09,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-12-02 19:51:09,935 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:51:09,936 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:51:09,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055631266] [2023-12-02 19:51:09,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055631266] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:51:09,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:51:09,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:51:09,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21866160] [2023-12-02 19:51:09,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:51:09,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:51:09,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:51:09,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:51:09,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:51:09,941 INFO L87 Difference]: Start difference. First operand 89 states and 143 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 19:51:12,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:12,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:51:12,959 INFO L93 Difference]: Finished difference Result 266 states and 428 transitions. [2023-12-02 19:51:13,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:51:13,000 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 215 [2023-12-02 19:51:13,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:51:13,005 INFO L225 Difference]: With dead ends: 266 [2023-12-02 19:51:13,005 INFO L226 Difference]: Without dead ends: 178 [2023-12-02 19:51:13,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 19:51:13,009 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 108 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 19:51:13,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 441 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 19:51:13,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-12-02 19:51:13,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 162. [2023-12-02 19:51:13,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2023-12-02 19:51:13,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 261 transitions. [2023-12-02 19:51:13,052 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 261 transitions. Word has length 215 [2023-12-02 19:51:13,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:51:13,054 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 261 transitions. [2023-12-02 19:51:13,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 19:51:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 261 transitions. [2023-12-02 19:51:13,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-12-02 19:51:13,059 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:51:13,059 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:51:13,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 19:51:13,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:51:13,261 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:51:13,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:51:13,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1328540840, now seen corresponding path program 1 times [2023-12-02 19:51:13,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:51:13,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [370042397] [2023-12-02 19:51:13,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:51:13,263 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 [2023-12-02 19:51:13,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:51:13,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 19:51:13,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:51:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:51:13,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 19:51:13,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:51:16,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 476 proven. 273 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2023-12-02 19:51:16,273 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:51:16,934 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:51:16,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [370042397] [2023-12-02 19:51:16,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [370042397] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:51:16,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [715995739] [2023-12-02 19:51:16,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:51:16,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 19:51:16,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 19:51:16,940 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 19:51:16,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 19:51:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:51:18,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 19:51:18,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:51:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 476 proven. 273 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2023-12-02 19:51:20,406 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:51:20,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [715995739] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:51:20,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066946622] [2023-12-02 19:51:20,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:51:20,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:51:20,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:51:20,996 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:51:21,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 19:51:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:51:21,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 19:51:21,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:51:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 476 proven. 273 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2023-12-02 19:51:23,680 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:51:24,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066946622] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:51:24,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 19:51:24,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 11 [2023-12-02 19:51:24,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245890854] [2023-12-02 19:51:24,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 19:51:24,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 19:51:24,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:51:24,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 19:51:24,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2023-12-02 19:51:24,191 INFO L87 Difference]: Start difference. First operand 162 states and 261 transitions. Second operand has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 4 states have call successors, (35), 4 states have call predecessors, (35), 6 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2023-12-02 19:51:27,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:27,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:51:27,457 INFO L93 Difference]: Finished difference Result 294 states and 446 transitions. [2023-12-02 19:51:27,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 19:51:27,459 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 4 states have call successors, (35), 4 states have call predecessors, (35), 6 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) Word has length 216 [2023-12-02 19:51:27,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:51:27,462 INFO L225 Difference]: With dead ends: 294 [2023-12-02 19:51:27,462 INFO L226 Difference]: Without dead ends: 198 [2023-12-02 19:51:27,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1200 GetRequests, 1182 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2023-12-02 19:51:27,465 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 55 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:51:27,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 244 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 19:51:27,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-12-02 19:51:27,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 186. [2023-12-02 19:51:27,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 107 states have (on average 1.2616822429906542) internal successors, (135), 107 states have internal predecessors, (135), 70 states have call successors, (70), 8 states have call predecessors, (70), 8 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2023-12-02 19:51:27,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 275 transitions. [2023-12-02 19:51:27,503 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 275 transitions. Word has length 216 [2023-12-02 19:51:27,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:51:27,504 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 275 transitions. [2023-12-02 19:51:27,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 4 states have call successors, (35), 4 states have call predecessors, (35), 6 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2023-12-02 19:51:27,505 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 275 transitions. [2023-12-02 19:51:27,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-12-02 19:51:27,514 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:51:27,515 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:51:27,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 19:51:27,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 19:51:27,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 19:51:28,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:51:28,116 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:51:28,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:51:28,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1656763779, now seen corresponding path program 1 times [2023-12-02 19:51:28,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:51:28,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [411840103] [2023-12-02 19:51:28,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:51:28,118 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 [2023-12-02 19:51:28,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:51:28,119 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 19:51:28,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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 (7)] Waiting until timeout for monitored process [2023-12-02 19:51:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:51:28,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 19:51:28,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:51:28,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 918 proven. 24 refuted. 0 times theorem prover too weak. 1438 trivial. 0 not checked. [2023-12-02 19:51:28,736 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:51:28,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 78 proven. 24 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 19:51:28,983 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:51:28,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [411840103] [2023-12-02 19:51:28,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [411840103] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:51:28,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [300435206] [2023-12-02 19:51:28,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:51:28,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 19:51:28,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 19:51:28,985 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 19:51:28,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 19:51:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:51:30,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 19:51:30,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:51:30,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 918 proven. 24 refuted. 0 times theorem prover too weak. 1438 trivial. 0 not checked. [2023-12-02 19:51:30,420 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:51:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 78 proven. 24 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 19:51:30,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [300435206] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:51:30,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215848689] [2023-12-02 19:51:30,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:51:30,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:51:30,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:51:30,616 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:51:30,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 19:51:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:51:30,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 19:51:30,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:51:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 918 proven. 24 refuted. 0 times theorem prover too weak. 1438 trivial. 0 not checked. [2023-12-02 19:51:31,140 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:51:31,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 78 proven. 24 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 19:51:31,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215848689] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:51:31,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 19:51:31,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-12-02 19:51:31,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227095312] [2023-12-02 19:51:31,336 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 19:51:31,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 19:51:31,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:51:31,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 19:51:31,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 19:51:31,338 INFO L87 Difference]: Start difference. First operand 186 states and 275 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-02 19:51:33,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:33,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:51:33,564 INFO L93 Difference]: Finished difference Result 318 states and 458 transitions. [2023-12-02 19:51:33,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 19:51:33,605 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 217 [2023-12-02 19:51:33,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:51:33,608 INFO L225 Difference]: With dead ends: 318 [2023-12-02 19:51:33,608 INFO L226 Difference]: Without dead ends: 210 [2023-12-02 19:51:33,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1300 GetRequests, 1288 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-02 19:51:33,610 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 201 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:51:33,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 213 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 19:51:33,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2023-12-02 19:51:33,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 194. [2023-12-02 19:51:33,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 113 states have (on average 1.2123893805309736) internal successors, (137), 113 states have internal predecessors, (137), 70 states have call successors, (70), 10 states have call predecessors, (70), 10 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2023-12-02 19:51:33,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 277 transitions. [2023-12-02 19:51:33,639 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 277 transitions. Word has length 217 [2023-12-02 19:51:33,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:51:33,640 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 277 transitions. [2023-12-02 19:51:33,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-02 19:51:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 277 transitions. [2023-12-02 19:51:33,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-12-02 19:51:33,643 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:51:33,643 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:51:33,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-02 19:51:33,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 19:51:34,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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 (7)] Ended with exit code 0 [2023-12-02 19:51:34,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:51:34,245 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:51:34,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:51:34,245 INFO L85 PathProgramCache]: Analyzing trace with hash 644058811, now seen corresponding path program 1 times [2023-12-02 19:51:34,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:51:34,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206886506] [2023-12-02 19:51:34,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:51:34,246 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 [2023-12-02 19:51:34,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:51:34,247 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 19:51:34,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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 (10)] Waiting until timeout for monitored process [2023-12-02 19:51:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:51:34,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 19:51:34,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:51:37,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 34 proven. 102 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-12-02 19:51:37,172 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:51:40,004 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:51:40,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206886506] [2023-12-02 19:51:40,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1206886506] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:51:40,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1650382151] [2023-12-02 19:51:40,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:51:40,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 19:51:40,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 19:51:40,006 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 19:51:40,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 19:51:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:51:41,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 19:51:41,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:51:44,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 34 proven. 102 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-12-02 19:51:44,219 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:51:46,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1650382151] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:51:46,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152111130] [2023-12-02 19:51:46,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:51:46,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:51:46,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:51:46,520 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:51:46,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 19:51:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:51:47,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 19:51:47,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:51:49,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 34 proven. 102 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-12-02 19:51:49,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:51:52,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152111130] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:51:52,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 19:51:52,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2023-12-02 19:51:52,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873520222] [2023-12-02 19:51:52,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 19:51:52,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 19:51:52,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:51:52,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 19:51:52,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-12-02 19:51:52,019 INFO L87 Difference]: Start difference. First operand 194 states and 277 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 19:51:54,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:55,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:51:55,321 INFO L93 Difference]: Finished difference Result 313 states and 444 transitions. [2023-12-02 19:51:55,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 19:51:55,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) Word has length 217 [2023-12-02 19:51:55,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:51:55,325 INFO L225 Difference]: With dead ends: 313 [2023-12-02 19:51:55,325 INFO L226 Difference]: Without dead ends: 203 [2023-12-02 19:51:55,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1285 GetRequests, 1275 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2023-12-02 19:51:55,327 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 19 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:51:55,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 388 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 276 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 19:51:55,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-12-02 19:51:55,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 194. [2023-12-02 19:51:55,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 113 states have internal predecessors, (136), 70 states have call successors, (70), 10 states have call predecessors, (70), 10 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2023-12-02 19:51:55,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 276 transitions. [2023-12-02 19:51:55,360 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 276 transitions. Word has length 217 [2023-12-02 19:51:55,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:51:55,361 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 276 transitions. [2023-12-02 19:51:55,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 19:51:55,361 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 276 transitions. [2023-12-02 19:51:55,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-12-02 19:51:55,363 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:51:55,363 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:51:55,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 19:51:55,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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 (10)] Ended with exit code 0 [2023-12-02 19:51:55,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-12-02 19:51:55,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:51:55,964 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:51:55,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:51:55,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1292162780, now seen corresponding path program 1 times [2023-12-02 19:51:55,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:51:55,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1988571826] [2023-12-02 19:51:55,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:51:55,966 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 [2023-12-02 19:51:55,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:51:55,966 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 19:51:55,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a83b308-9393-4efe-9698-744715b846f3/bin/utaipan-verify-nQ1chXbOIh/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 (13)] Waiting until timeout for monitored process [2023-12-02 19:51:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:51:56,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 19:51:56,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:54:34,932 WARN L293 SmtUtils]: Spent 49.02s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)