./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19520942352997fcf297d8ad079cb9fafb5c7d1c5c429124759a57b39998961b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:57:22,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:57:22,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:57:22,506 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:57:22,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:57:22,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:57:22,548 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:57:22,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:57:22,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:57:22,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:57:22,552 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:57:22,553 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:57:22,553 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:57:22,554 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:57:22,555 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:57:22,555 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:57:22,556 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:57:22,556 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:57:22,557 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:57:22,557 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:57:22,558 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:57:22,561 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:57:22,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:57:22,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:57:22,563 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:57:22,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:57:22,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:57:22,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:57:22,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:57:22,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:57:22,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:57:22,567 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:57:22,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:57:22,568 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:57:22,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:57:22,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:57:22,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:57:22,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:57:22,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:57:22,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:57:22,570 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:57:22,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:57:22,571 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:57:22,571 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:57:22,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:57:22,572 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_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19520942352997fcf297d8ad079cb9fafb5c7d1c5c429124759a57b39998961b [2023-11-19 04:57:22,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:57:22,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:57:22,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:57:22,899 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:57:22,900 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:57:22,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i [2023-11-19 04:57:26,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:57:26,374 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:57:26,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i [2023-11-19 04:57:26,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/data/46223e416/af59acc89824478d9011314c56d2e671/FLAG6e1581246 [2023-11-19 04:57:26,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/data/46223e416/af59acc89824478d9011314c56d2e671 [2023-11-19 04:57:26,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:57:26,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:57:26,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:57:26,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:57:26,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:57:26,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:57:26" (1/1) ... [2023-11-19 04:57:26,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2217abea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:26, skipping insertion in model container [2023-11-19 04:57:26,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:57:26" (1/1) ... [2023-11-19 04:57:26,459 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:57:26,624 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_091bc5af-578a-41d3-ade8-9e12b2b52997/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i[919,932] [2023-11-19 04:57:26,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:57:26,723 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:57:26,739 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_091bc5af-578a-41d3-ade8-9e12b2b52997/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i[919,932] [2023-11-19 04:57:26,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:57:26,808 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:57:26,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:26 WrapperNode [2023-11-19 04:57:26,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:57:26,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:57:26,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:57:26,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:57:26,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:26" (1/1) ... [2023-11-19 04:57:26,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:26" (1/1) ... [2023-11-19 04:57:26,894 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 241 [2023-11-19 04:57:26,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:57:26,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:57:26,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:57:26,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:57:26,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:26" (1/1) ... [2023-11-19 04:57:26,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:26" (1/1) ... [2023-11-19 04:57:26,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:26" (1/1) ... [2023-11-19 04:57:26,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:26" (1/1) ... [2023-11-19 04:57:26,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:26" (1/1) ... [2023-11-19 04:57:26,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:26" (1/1) ... [2023-11-19 04:57:26,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:26" (1/1) ... [2023-11-19 04:57:26,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:26" (1/1) ... [2023-11-19 04:57:26,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:57:26,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:57:26,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:57:26,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:57:26,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:26" (1/1) ... [2023-11-19 04:57:26,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:57:26,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:57:26,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:57:27,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:57:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:57:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:57:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:57:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:57:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:57:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:57:27,215 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:57:27,218 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:57:27,803 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:57:28,427 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:57:28,427 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:57:28,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:57:28 BoogieIcfgContainer [2023-11-19 04:57:28,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:57:28,443 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:57:28,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:57:28,448 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:57:28,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:57:26" (1/3) ... [2023-11-19 04:57:28,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408aeaa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:57:28, skipping insertion in model container [2023-11-19 04:57:28,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:26" (2/3) ... [2023-11-19 04:57:28,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408aeaa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:57:28, skipping insertion in model container [2023-11-19 04:57:28,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:57:28" (3/3) ... [2023-11-19 04:57:28,456 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i [2023-11-19 04:57:28,481 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:57:28,482 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:57:28,552 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:57:28,559 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;@48437dbc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:57:28,560 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:57:28,564 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:57:28,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-19 04:57:28,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:28,578 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:57:28,579 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:57:28,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:28,585 INFO L85 PathProgramCache]: Analyzing trace with hash -2095227627, now seen corresponding path program 1 times [2023-11-19 04:57:28,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:57:28,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668255076] [2023-11-19 04:57:28,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:28,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:57:28,922 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:57:28,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [118311494] [2023-11-19 04:57:28,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:28,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:57:28,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:57:28,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:57:28,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:57:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:57:29,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:57:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:57:29,651 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:57:29,653 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:57:29,655 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:57:29,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:57:29,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:57:29,885 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:57:29,890 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:57:30,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:57:30 BoogieIcfgContainer [2023-11-19 04:57:30,077 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:57:30,078 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:57:30,078 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:57:30,078 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:57:30,079 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:57:28" (3/4) ... [2023-11-19 04:57:30,081 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:57:30,082 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:57:30,084 INFO L158 Benchmark]: Toolchain (without parser) took 3677.13ms. Allocated memory is still 184.5MB. Free memory was 135.8MB in the beginning and 116.8MB in the end (delta: 19.0MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-11-19 04:57:30,084 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:57:30,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.73ms. Allocated memory is still 184.5MB. Free memory was 135.3MB in the beginning and 119.5MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:57:30,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.15ms. Allocated memory is still 184.5MB. Free memory was 119.5MB in the beginning and 115.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:57:30,086 INFO L158 Benchmark]: Boogie Preprocessor took 47.32ms. Allocated memory is still 184.5MB. Free memory was 115.3MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:57:30,087 INFO L158 Benchmark]: RCFGBuilder took 1494.88ms. Allocated memory is still 184.5MB. Free memory was 113.2MB in the beginning and 98.4MB in the end (delta: 14.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 04:57:30,087 INFO L158 Benchmark]: TraceAbstraction took 1634.04ms. Allocated memory is still 184.5MB. Free memory was 97.6MB in the beginning and 116.8MB in the end (delta: -19.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:57:30,088 INFO L158 Benchmark]: Witness Printer took 4.52ms. Allocated memory is still 184.5MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:57:30,091 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.73ms. Allocated memory is still 184.5MB. Free memory was 135.3MB in the beginning and 119.5MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.15ms. Allocated memory is still 184.5MB. Free memory was 119.5MB in the beginning and 115.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.32ms. Allocated memory is still 184.5MB. Free memory was 115.3MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1494.88ms. Allocated memory is still 184.5MB. Free memory was 113.2MB in the beginning and 98.4MB in the end (delta: 14.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1634.04ms. Allocated memory is still 184.5MB. Free memory was 97.6MB in the beginning and 116.8MB in the end (delta: -19.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.52ms. Allocated memory is still 184.5MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of bitwiseOr at line 66, overapproximation of shiftRight at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someUnaryFLOAToperation at line 87, overapproximation of someBinaryArithmeticFLOAToperation at line 125. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_3 = 1; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_5 = 0; [L26] unsigned short int var_1_6 = 25; [L27] double var_1_9 = 999.625; [L28] unsigned short int var_1_11 = 5; [L29] signed short int var_1_12 = 2; [L30] signed long int var_1_13 = -256; [L31] double var_1_14 = 127.75; [L32] double var_1_15 = 9.75; [L33] float var_1_16 = 32.8; [L34] float var_1_17 = 32.5; [L35] float var_1_18 = 1.75; [L36] float var_1_19 = 1000000000000000.4; [L37] float var_1_20 = 0.875; [L38] unsigned char var_1_21 = 0; [L39] unsigned char var_1_22 = 0; [L40] signed short int var_1_23 = 64; [L41] signed short int var_1_24 = 25; [L42] signed short int var_1_25 = 0; [L43] float var_1_26 = 128.2; [L44] signed long int var_1_28 = -100000; [L45] signed char var_1_30 = -25; [L46] signed char var_1_33 = 32; [L47] signed char var_1_34 = -4; [L48] unsigned long int var_1_35 = 1; [L49] double var_1_39 = 7.75; [L50] float var_1_41 = 255.2; [L51] unsigned char var_1_42 = 25; [L52] unsigned char var_1_43 = 64; [L53] unsigned char var_1_44 = 1; [L54] float var_1_45 = 255.5; [L55] float var_1_46 = 10.55; [L56] signed short int last_1_var_1_12 = 2; [L57] signed long int last_1_var_1_13 = -256; [L58] double last_1_var_1_14 = 127.75; [L59] unsigned char last_1_var_1_21 = 0; [L195] isInitial = 1 [L196] FCALL initially() [L197] COND TRUE 1 [L198] CALL updateLastVariables() [L185] last_1_var_1_12 = var_1_12 [L186] last_1_var_1_13 = var_1_13 [L187] last_1_var_1_14 = var_1_14 [L188] last_1_var_1_21 = var_1_21 [L198] RET updateLastVariables() [L199] CALL updateVariables() [L138] var_1_3 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_3 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_3 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L140] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L141] var_1_4 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L143] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L144] var_1_5 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L146] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L147] var_1_9 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L149] var_1_11 = __VERIFIER_nondet_ushort() [L150] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L151] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L152] var_1_15 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L154] var_1_17 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L156] var_1_18 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L158] var_1_19 = __VERIFIER_nondet_float() [L159] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L160] var_1_20 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L162] var_1_22 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L164] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L165] var_1_24 = __VERIFIER_nondet_short() [L166] CALL assume_abort_if_not(var_1_24 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_24 >= -1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L167] CALL assume_abort_if_not(var_1_24 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_24 <= 32766) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L168] var_1_25 = __VERIFIER_nondet_short() [L169] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L170] CALL assume_abort_if_not(var_1_25 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 <= 32766) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L171] var_1_33 = __VERIFIER_nondet_char() [L172] CALL assume_abort_if_not(var_1_33 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=126, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_33 >= -126) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=126, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L173] CALL assume_abort_if_not(var_1_33 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=126, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_33 <= 126) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=126, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L174] var_1_34 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_34 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=126, var_1_34=-50, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_34 >= -63) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=126, var_1_34=-50, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L176] CALL assume_abort_if_not(var_1_34 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=126, var_1_34=-50, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_34 <= 63) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=126, var_1_34=-50, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L177] var_1_43 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_43 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=126, var_1_34=-50, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_43 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=126, var_1_34=-50, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L179] CALL assume_abort_if_not(var_1_43 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=126, var_1_34=-50, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_43 <= 254) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=126, var_1_34=-50, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L180] var_1_44 = __VERIFIER_nondet_uchar() [L181] CALL assume_abort_if_not(var_1_44 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=126, var_1_34=-50, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_44=0, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_44 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=126, var_1_34=-50, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_44=0, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L182] CALL assume_abort_if_not(var_1_44 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=126, var_1_34=-50, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_44=0, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_44 <= 254) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=3, var_1_16=164/5, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=126, var_1_34=-50, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_44=0, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=2] [L199] RET updateVariables() [L200] CALL step() [L63] var_1_26 = var_1_18 [L64] var_1_28 = var_1_6 [L65] COND FALSE !(var_1_20 <= var_1_18) [L70] var_1_30 = (50 + var_1_34) [L72] COND FALSE !(! var_1_22) [L79] COND TRUE 32u >= (((((var_1_6) > (var_1_11)) ? (var_1_6) : (var_1_11))) % 16u) [L80] COND FALSE !((-5 > var_1_25) && (var_1_6 <= ((((var_1_34) > (var_1_12)) ? (var_1_34) : (var_1_12))))) [L83] var_1_39 = ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) [L90] var_1_41 = ((((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) < (var_1_20)) ? (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) : (var_1_20))) [L91] EXPR var_1_11 | var_1_6 [L91] COND FALSE !(var_1_33 < (var_1_11 | var_1_6)) [L94] var_1_45 = 2.71f [L95] var_1_46 = var_1_17 [L96] COND FALSE !(\read(last_1_var_1_21)) [L99] var_1_1 = (var_1_3 && var_1_5) [L101] COND TRUE var_1_18 > var_1_9 [L102] var_1_23 = (((((var_1_24 - var_1_25)) > (last_1_var_1_13)) ? ((var_1_24 - var_1_25)) : (last_1_var_1_13))) [L106] signed long int stepLocal_0 = last_1_var_1_12; [L107] COND TRUE last_1_var_1_12 >= stepLocal_0 [L108] COND FALSE !((var_1_9 - 1.00000000000025E12) >= last_1_var_1_14) [L111] var_1_6 = var_1_11 [L116] unsigned short int stepLocal_1 = var_1_6; [L117] COND FALSE !(var_1_11 > stepLocal_1) [L120] EXPR var_1_11 >> var_1_6 [L120] COND TRUE (var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12) [L121] var_1_14 = var_1_15 [L125] var_1_16 = (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))))) [L126] unsigned short int stepLocal_3 = var_1_11; [L127] COND TRUE stepLocal_3 == var_1_6 [L128] var_1_21 = ((var_1_5 || var_1_3) && (var_1_1 || var_1_22)) [L130] unsigned short int stepLocal_2 = var_1_6; [L131] COND FALSE !(stepLocal_2 == var_1_12) [L200] RET step() [L201] CALL, EXPR property() [L191] EXPR ((((last_1_var_1_21 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((last_1_var_1_12 >= last_1_var_1_12) ? (((var_1_9 - 1.00000000000025E12) >= last_1_var_1_14) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_6 == var_1_12) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((last_1_var_1_13 + var_1_6) + (var_1_11 - var_1_23)))) : 1) : 1)) && (((var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15))) [L191] EXPR var_1_11 >> var_1_6 [L191] EXPR ((((last_1_var_1_21 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((last_1_var_1_12 >= last_1_var_1_12) ? (((var_1_9 - 1.00000000000025E12) >= last_1_var_1_14) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_6 == var_1_12) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((last_1_var_1_13 + var_1_6) + (var_1_11 - var_1_23)))) : 1) : 1)) && (((var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15))) [L191-L192] return (((((((last_1_var_1_21 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((last_1_var_1_12 >= last_1_var_1_12) ? (((var_1_9 - 1.00000000000025E12) >= last_1_var_1_14) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_6 == var_1_12) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((last_1_var_1_13 + var_1_6) + (var_1_11 - var_1_23)))) : 1) : 1)) && (((var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15)))) && (var_1_16 == ((float) (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))))))))) && ((var_1_11 == var_1_6) ? (var_1_21 == ((unsigned char) ((var_1_5 || var_1_3) && (var_1_1 || var_1_22)))) : 1)) && ((var_1_18 > var_1_9) ? (var_1_23 == ((signed short int) (((((var_1_24 - var_1_25)) > (last_1_var_1_13)) ? ((var_1_24 - var_1_25)) : (last_1_var_1_13))))) : (var_1_23 == ((signed short int) (last_1_var_1_13 + 1)))) ; [L201] RET, EXPR property() [L201] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=3, var_1_15=3, var_1_16=9, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=1, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_26=5, var_1_28=25, var_1_30=0, var_1_33=126, var_1_34=-50, var_1_35=1, var_1_39=8, var_1_3=1, var_1_41=10, var_1_42=25, var_1_43=0, var_1_44=0, var_1_45=271/100, var_1_46=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=3, var_1_15=3, var_1_16=9, var_1_17=4, var_1_18=5, var_1_19=6, var_1_1=1, var_1_20=7, var_1_21=1, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_26=5, var_1_28=25, var_1_30=0, var_1_33=126, var_1_34=-50, var_1_35=1, var_1_39=8, var_1_3=1, var_1_41=10, var_1_42=25, var_1_43=0, var_1_44=0, var_1_45=271/100, var_1_46=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 28, 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=54occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:57:30,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19520942352997fcf297d8ad079cb9fafb5c7d1c5c429124759a57b39998961b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:57:32,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:57:33,154 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:57:33,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:57:33,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:57:33,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:57:33,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:57:33,225 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:57:33,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:57:33,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:57:33,227 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:57:33,227 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:57:33,228 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:57:33,229 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:57:33,229 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:57:33,230 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:57:33,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:57:33,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:57:33,235 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:57:33,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:57:33,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:57:33,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:57:33,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:57:33,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:57:33,244 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:57:33,244 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:57:33,245 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:57:33,245 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:57:33,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:57:33,247 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:57:33,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:57:33,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:57:33,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:57:33,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:57:33,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:57:33,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:57:33,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:57:33,250 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:57:33,250 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:57:33,250 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:57:33,250 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:57:33,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:57:33,251 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_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19520942352997fcf297d8ad079cb9fafb5c7d1c5c429124759a57b39998961b [2023-11-19 04:57:33,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:57:33,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:57:33,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:57:33,807 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:57:33,808 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:57:33,810 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i [2023-11-19 04:57:37,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:57:37,567 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:57:37,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i [2023-11-19 04:57:37,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/data/d3c79a6b0/9e7bbc3d669647f4b4470c7ec035c32b/FLAG80f21f55d [2023-11-19 04:57:37,601 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/data/d3c79a6b0/9e7bbc3d669647f4b4470c7ec035c32b [2023-11-19 04:57:37,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:57:37,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:57:37,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:57:37,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:57:37,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:57:37,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:57:37" (1/1) ... [2023-11-19 04:57:37,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29238761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:37, skipping insertion in model container [2023-11-19 04:57:37,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:57:37" (1/1) ... [2023-11-19 04:57:37,675 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:57:37,855 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_091bc5af-578a-41d3-ade8-9e12b2b52997/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i[919,932] [2023-11-19 04:57:37,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:57:37,948 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:57:37,961 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_091bc5af-578a-41d3-ade8-9e12b2b52997/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i[919,932] [2023-11-19 04:57:38,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:57:38,037 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:57:38,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:38 WrapperNode [2023-11-19 04:57:38,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:57:38,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:57:38,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:57:38,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:57:38,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:38" (1/1) ... [2023-11-19 04:57:38,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:38" (1/1) ... [2023-11-19 04:57:38,145 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2023-11-19 04:57:38,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:57:38,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:57:38,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:57:38,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:57:38,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:38" (1/1) ... [2023-11-19 04:57:38,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:38" (1/1) ... [2023-11-19 04:57:38,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:38" (1/1) ... [2023-11-19 04:57:38,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:38" (1/1) ... [2023-11-19 04:57:38,200 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:38" (1/1) ... [2023-11-19 04:57:38,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:38" (1/1) ... [2023-11-19 04:57:38,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:38" (1/1) ... [2023-11-19 04:57:38,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:38" (1/1) ... [2023-11-19 04:57:38,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:57:38,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:57:38,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:57:38,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:57:38,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:38" (1/1) ... [2023-11-19 04:57:38,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:57:38,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:57:38,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:57:38,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:57:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:57:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:57:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:57:38,368 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:57:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:57:38,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:57:38,477 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:57:38,479 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:57:41,841 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:57:41,853 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:57:41,853 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:57:41,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:57:41 BoogieIcfgContainer [2023-11-19 04:57:41,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:57:41,862 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:57:41,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:57:41,866 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:57:41,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:57:37" (1/3) ... [2023-11-19 04:57:41,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64df10c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:57:41, skipping insertion in model container [2023-11-19 04:57:41,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:38" (2/3) ... [2023-11-19 04:57:41,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64df10c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:57:41, skipping insertion in model container [2023-11-19 04:57:41,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:57:41" (3/3) ... [2023-11-19 04:57:41,871 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-35.i [2023-11-19 04:57:41,896 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:57:41,896 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:57:41,962 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:57:41,971 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;@47f53d8a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:57:41,971 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:57:41,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 57 states have internal predecessors, (78), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:57:42,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-19 04:57:42,011 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:42,013 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:57:42,016 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:57:42,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:42,026 INFO L85 PathProgramCache]: Analyzing trace with hash -585134413, now seen corresponding path program 1 times [2023-11-19 04:57:42,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:57:42,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1602064387] [2023-11-19 04:57:42,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:42,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:57:42,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:57:42,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:57:42,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:57:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:42,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:57:42,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:57:43,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 558 proven. 0 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2023-11-19 04:57:43,094 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:57:43,095 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:57:43,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1602064387] [2023-11-19 04:57:43,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1602064387] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:43,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:57:43,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:57:43,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197856887] [2023-11-19 04:57:43,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:43,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:57:43,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:57:43,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:57:43,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:57:43,146 INFO L87 Difference]: Start difference. First operand has 87 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 57 states have internal predecessors, (78), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 04:57:43,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:57:43,188 INFO L93 Difference]: Finished difference Result 166 states and 288 transitions. [2023-11-19 04:57:43,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:57:43,190 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 184 [2023-11-19 04:57:43,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:57:43,201 INFO L225 Difference]: With dead ends: 166 [2023-11-19 04:57:43,202 INFO L226 Difference]: Without dead ends: 82 [2023-11-19 04:57:43,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:57:43,211 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:57:43,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:57:43,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-19 04:57:43,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-19 04:57:43,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 52 states have internal predecessors, (68), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:57:43,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 124 transitions. [2023-11-19 04:57:43,276 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 124 transitions. Word has length 184 [2023-11-19 04:57:43,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:57:43,277 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 124 transitions. [2023-11-19 04:57:43,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 04:57:43,278 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2023-11-19 04:57:43,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-19 04:57:43,283 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:43,284 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:57:43,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:57:43,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:57:43,487 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:57:43,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:43,488 INFO L85 PathProgramCache]: Analyzing trace with hash 242803131, now seen corresponding path program 1 times [2023-11-19 04:57:43,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:57:43,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148820804] [2023-11-19 04:57:43,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:43,490 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:57:43,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:57:43,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:57:43,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 04:57:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:44,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:57:44,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:57:44,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-19 04:57:44,651 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:57:45,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 04:57:45,198 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:57:45,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1148820804] [2023-11-19 04:57:45,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1148820804] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:57:45,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1543155021] [2023-11-19 04:57:45,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:45,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:57:45,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:57:45,212 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:57:45,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 04:57:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:46,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:57:46,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:57:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-19 04:57:47,065 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:57:47,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1543155021] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:47,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:57:47,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 10 [2023-11-19 04:57:47,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693320404] [2023-11-19 04:57:47,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:47,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:57:47,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:57:47,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:57:47,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-19 04:57:47,078 INFO L87 Difference]: Start difference. First operand 82 states and 124 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 04:57:49,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:57:50,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:57:50,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:57:50,848 INFO L93 Difference]: Finished difference Result 259 states and 393 transitions. [2023-11-19 04:57:50,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:57:50,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 184 [2023-11-19 04:57:50,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:57:50,873 INFO L225 Difference]: With dead ends: 259 [2023-11-19 04:57:50,873 INFO L226 Difference]: Without dead ends: 180 [2023-11-19 04:57:50,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 541 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-19 04:57:50,876 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 115 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-19 04:57:50,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 380 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-19 04:57:50,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-11-19 04:57:50,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 159. [2023-11-19 04:57:50,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 100 states have (on average 1.31) internal successors, (131), 100 states have internal predecessors, (131), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-19 04:57:50,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 243 transitions. [2023-11-19 04:57:50,929 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 243 transitions. Word has length 184 [2023-11-19 04:57:50,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:57:50,930 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 243 transitions. [2023-11-19 04:57:50,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 04:57:50,931 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 243 transitions. [2023-11-19 04:57:50,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-19 04:57:50,935 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:50,936 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:57:50,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-19 04:57:51,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:57:51,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:57:51,341 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:57:51,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:51,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1037060547, now seen corresponding path program 1 times [2023-11-19 04:57:51,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:57:51,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756508575] [2023-11-19 04:57:51,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:51,344 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:57:51,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:57:51,346 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:57:51,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 04:57:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:51,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:57:51,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:57:52,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-19 04:57:52,257 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:57:52,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 04:57:52,672 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:57:52,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756508575] [2023-11-19 04:57:52,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1756508575] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:57:52,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [203379055] [2023-11-19 04:57:52,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:52,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:57:52,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:57:52,677 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:57:52,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 04:57:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:54,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:57:54,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:57:55,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-19 04:57:55,527 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:57:55,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [203379055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:55,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:57:55,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 11 [2023-11-19 04:57:55,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735000675] [2023-11-19 04:57:55,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:55,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:57:55,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:57:55,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:57:55,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-19 04:57:55,535 INFO L87 Difference]: Start difference. First operand 159 states and 243 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 04:57:58,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:58:00,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:58:02,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:58:02,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:02,377 INFO L93 Difference]: Finished difference Result 495 states and 756 transitions. [2023-11-19 04:58:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:58:02,398 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 184 [2023-11-19 04:58:02,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:02,409 INFO L225 Difference]: With dead ends: 495 [2023-11-19 04:58:02,413 INFO L226 Difference]: Without dead ends: 339 [2023-11-19 04:58:02,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-11-19 04:58:02,419 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 97 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-19 04:58:02,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 423 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-11-19 04:58:02,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2023-11-19 04:58:02,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 313. [2023-11-19 04:58:02,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 196 states have (on average 1.3061224489795917) internal successors, (256), 196 states have internal predecessors, (256), 112 states have call successors, (112), 4 states have call predecessors, (112), 4 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2023-11-19 04:58:02,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 480 transitions. [2023-11-19 04:58:02,566 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 480 transitions. Word has length 184 [2023-11-19 04:58:02,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:02,567 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 480 transitions. [2023-11-19 04:58:02,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 04:58:02,568 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 480 transitions. [2023-11-19 04:58:02,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-19 04:58:02,580 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:02,580 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:02,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-19 04:58:02,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 04:58:02,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 04:58:02,998 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:02,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:02,998 INFO L85 PathProgramCache]: Analyzing trace with hash -230950982, now seen corresponding path program 1 times [2023-11-19 04:58:02,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:58:02,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [457282616] [2023-11-19 04:58:03,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:03,000 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:58:03,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:58:03,002 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:58:03,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-19 04:58:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:03,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:58:03,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:03,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-19 04:58:03,882 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:58:04,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 04:58:04,331 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:58:04,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [457282616] [2023-11-19 04:58:04,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [457282616] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:58:04,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [408559062] [2023-11-19 04:58:04,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:04,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:58:04,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:58:04,335 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:58:04,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 04:58:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:06,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:58:06,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:06,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-19 04:58:06,309 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:58:06,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [408559062] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:58:06,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:58:06,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 5] total 12 [2023-11-19 04:58:06,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115672058] [2023-11-19 04:58:06,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:58:06,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:58:06,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:58:06,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:58:06,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-11-19 04:58:06,317 INFO L87 Difference]: Start difference. First operand 313 states and 480 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 04:58:08,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:58:11,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:58:13,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:58:15,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:58:16,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:16,691 INFO L93 Difference]: Finished difference Result 989 states and 1511 transitions. [2023-11-19 04:58:16,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 04:58:16,701 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 185 [2023-11-19 04:58:16,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:16,713 INFO L225 Difference]: With dead ends: 989 [2023-11-19 04:58:16,713 INFO L226 Difference]: Without dead ends: 679 [2023-11-19 04:58:16,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 542 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-11-19 04:58:16,717 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 179 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:58:16,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 511 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2023-11-19 04:58:16,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2023-11-19 04:58:16,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 649. [2023-11-19 04:58:16,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 400 states have (on average 1.28) internal successors, (512), 402 states have internal predecessors, (512), 238 states have call successors, (238), 10 states have call predecessors, (238), 10 states have return successors, (238), 236 states have call predecessors, (238), 238 states have call successors, (238) [2023-11-19 04:58:16,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 988 transitions. [2023-11-19 04:58:16,872 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 988 transitions. Word has length 185 [2023-11-19 04:58:16,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:16,875 INFO L495 AbstractCegarLoop]: Abstraction has 649 states and 988 transitions. [2023-11-19 04:58:16,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-19 04:58:16,879 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 988 transitions. [2023-11-19 04:58:16,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-19 04:58:16,883 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:16,884 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:16,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-19 04:58:17,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-19 04:58:17,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 04:58:17,301 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:17,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:17,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1544056380, now seen corresponding path program 1 times [2023-11-19 04:58:17,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:58:17,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834772929] [2023-11-19 04:58:17,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:17,306 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:58:17,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:58:17,307 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:58:17,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-19 04:58:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:17,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:58:17,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-19 04:58:18,185 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:58:18,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 04:58:18,605 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:58:18,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834772929] [2023-11-19 04:58:18,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [834772929] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:58:18,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [585015553] [2023-11-19 04:58:18,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:18,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:58:18,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:58:18,608 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:58:18,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-19 04:58:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:20,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:58:20,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:21,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-19 04:58:21,072 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:58:21,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 04:58:21,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [585015553] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:58:21,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786544413] [2023-11-19 04:58:21,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:21,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:58:21,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:21,441 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:58:21,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091bc5af-578a-41d3-ade8-9e12b2b52997/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 04:58:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:21,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:58:21,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-19 04:58:22,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:58:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 04:58:22,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786544413] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:58:22,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 04:58:22,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2023-11-19 04:58:22,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880006181] [2023-11-19 04:58:22,471 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 04:58:22,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 04:58:22,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:58:22,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 04:58:22,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:58:22,476 INFO L87 Difference]: Start difference. First operand 649 states and 988 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38)