./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.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_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/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_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/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_c8c6e525-c192-4540-ad2e-88c08905f859/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 c896693c438af11e7c01d30f7473a54a40cafeb18d2112f14241957160c46b8e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:24:58,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:24:58,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:24:58,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:24:58,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:24:58,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:24:58,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:24:58,416 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:24:58,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:24:58,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:24:58,418 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:24:58,419 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:24:58,419 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:24:58,420 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:24:58,420 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:24:58,421 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:24:58,421 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:24:58,422 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:24:58,422 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:24:58,423 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:24:58,424 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:24:58,424 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:24:58,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:24:58,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:24:58,426 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:24:58,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:24:58,427 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:24:58,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:24:58,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:24:58,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:24:58,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:24:58,430 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:24:58,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:24:58,430 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:24:58,431 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:24:58,431 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:24:58,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:58,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:24:58,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:24:58,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:24:58,433 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:24:58,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:24:58,433 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:24:58,433 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:24:58,434 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:24:58,434 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_c8c6e525-c192-4540-ad2e-88c08905f859/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c896693c438af11e7c01d30f7473a54a40cafeb18d2112f14241957160c46b8e [2023-11-19 05:24:58,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:24:58,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:24:58,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:24:58,677 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:24:58,678 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:24:58,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2023-11-19 05:25:01,681 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:25:01,976 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:25:01,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2023-11-19 05:25:01,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/data/7b4f7b64b/d3e8bfaf58074e9e9c99c9e1e9e2a863/FLAG0502a391b [2023-11-19 05:25:02,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/data/7b4f7b64b/d3e8bfaf58074e9e9c99c9e1e9e2a863 [2023-11-19 05:25:02,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:25:02,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:25:02,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:02,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:25:02,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:25:02,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:02" (1/1) ... [2023-11-19 05:25:02,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ddf6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:02, skipping insertion in model container [2023-11-19 05:25:02,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:02" (1/1) ... [2023-11-19 05:25:02,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:25:02,242 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_c8c6e525-c192-4540-ad2e-88c08905f859/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2023-11-19 05:25:02,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:02,307 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:25:02,318 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_c8c6e525-c192-4540-ad2e-88c08905f859/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2023-11-19 05:25:02,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:02,370 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:25:02,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:02 WrapperNode [2023-11-19 05:25:02,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:02,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:02,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:25:02,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:25:02,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:02" (1/1) ... [2023-11-19 05:25:02,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:02" (1/1) ... [2023-11-19 05:25:02,431 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2023-11-19 05:25:02,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:02,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:25:02,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:25:02,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:25:02,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:02" (1/1) ... [2023-11-19 05:25:02,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:02" (1/1) ... [2023-11-19 05:25:02,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:02" (1/1) ... [2023-11-19 05:25:02,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:02" (1/1) ... [2023-11-19 05:25:02,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:02" (1/1) ... [2023-11-19 05:25:02,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:02" (1/1) ... [2023-11-19 05:25:02,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:02" (1/1) ... [2023-11-19 05:25:02,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:02" (1/1) ... [2023-11-19 05:25:02,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:25:02,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:25:02,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:25:02,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:25:02,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:02" (1/1) ... [2023-11-19 05:25:02,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:02,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:02,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:25:02,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:25:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:25:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:25:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:25:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:25:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:25:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:25:02,646 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:25:02,657 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:25:02,963 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:25:03,100 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:25:03,101 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:25:03,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:03 BoogieIcfgContainer [2023-11-19 05:25:03,113 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:25:03,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:25:03,117 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:25:03,120 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:25:03,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:25:02" (1/3) ... [2023-11-19 05:25:03,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7713b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:03, skipping insertion in model container [2023-11-19 05:25:03,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:02" (2/3) ... [2023-11-19 05:25:03,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7713b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:03, skipping insertion in model container [2023-11-19 05:25:03,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:03" (3/3) ... [2023-11-19 05:25:03,127 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-80.i [2023-11-19 05:25:03,148 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:25:03,149 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:25:03,213 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:25:03,220 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;@700504b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:25:03,220 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:25:03,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 05:25:03,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 05:25:03,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:03,236 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:25:03,236 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:03,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:03,241 INFO L85 PathProgramCache]: Analyzing trace with hash 184080614, now seen corresponding path program 1 times [2023-11-19 05:25:03,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:25:03,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947451730] [2023-11-19 05:25:03,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:03,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:25:03,527 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:25:03,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1853574307] [2023-11-19 05:25:03,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:03,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:25:03,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:03,532 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:25:03,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:25:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:25:03,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:25:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:25:03,931 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:25:03,934 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:25:03,936 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:25:03,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:25:04,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:25:04,149 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:25:04,159 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:25:04,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:25:04 BoogieIcfgContainer [2023-11-19 05:25:04,315 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:25:04,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:25:04,317 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:25:04,317 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:25:04,318 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:03" (3/4) ... [2023-11-19 05:25:04,324 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:25:04,326 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:25:04,327 INFO L158 Benchmark]: Toolchain (without parser) took 2312.21ms. Allocated memory is still 184.5MB. Free memory was 145.3MB in the beginning and 133.1MB in the end (delta: 12.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-11-19 05:25:04,329 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 134.2MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:25:04,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.03ms. Allocated memory is still 184.5MB. Free memory was 145.3MB in the beginning and 132.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:25:04,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.04ms. Allocated memory is still 184.5MB. Free memory was 132.0MB in the beginning and 129.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:25:04,339 INFO L158 Benchmark]: Boogie Preprocessor took 60.13ms. Allocated memory is still 184.5MB. Free memory was 129.2MB in the beginning and 127.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:25:04,342 INFO L158 Benchmark]: RCFGBuilder took 620.49ms. Allocated memory is still 184.5MB. Free memory was 127.5MB in the beginning and 100.6MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 05:25:04,342 INFO L158 Benchmark]: TraceAbstraction took 1198.91ms. Allocated memory is still 184.5MB. Free memory was 99.9MB in the beginning and 133.1MB in the end (delta: -33.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:25:04,343 INFO L158 Benchmark]: Witness Printer took 9.74ms. Allocated memory is still 184.5MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:25:04,353 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 134.2MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.03ms. Allocated memory is still 184.5MB. Free memory was 145.3MB in the beginning and 132.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.04ms. Allocated memory is still 184.5MB. Free memory was 132.0MB in the beginning and 129.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.13ms. Allocated memory is still 184.5MB. Free memory was 129.2MB in the beginning and 127.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 620.49ms. Allocated memory is still 184.5MB. Free memory was 127.5MB in the beginning and 100.6MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1198.91ms. Allocated memory is still 184.5MB. Free memory was 99.9MB in the beginning and 133.1MB in the end (delta: -33.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.74ms. Allocated memory is still 184.5MB. Free memory is still 133.1MB. 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 to_int at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 256; [L23] signed long int var_1_8 = 128; [L24] signed short int var_1_9 = -1; [L25] signed short int var_1_10 = 1; [L26] signed char var_1_12 = 0; [L27] unsigned char var_1_13 = 1; [L28] signed char var_1_14 = 2; [L29] signed long int var_1_15 = 1; [L30] signed long int var_1_16 = 25; [L31] signed long int var_1_17 = 5; [L32] signed long int var_1_18 = 4; [L33] signed long int var_1_19 = 500; [L34] signed long int var_1_20 = 127; [L35] signed long int var_1_21 = 1; [L36] signed long int var_1_22 = 99; [L37] unsigned short int var_1_23 = 4; [L38] signed char var_1_24 = -64; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L62] var_1_8 = __VERIFIER_nondet_long() [L63] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=-1] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=-1] [L64] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=-1] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=-1] [L65] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=-1] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=-1] [L66] var_1_9 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L68] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L69] var_1_10 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L71] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L72] var_1_13 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L74] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L75] var_1_14 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L77] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L78] var_1_16 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L80] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L81] var_1_17 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_17 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_17 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L83] CALL assume_abort_if_not(var_1_17 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_17 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L84] var_1_18 = __VERIFIER_nondet_long() [L85] CALL assume_abort_if_not(var_1_18 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_18 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L86] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L87] var_1_19 = __VERIFIER_nondet_long() [L88] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L89] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L90] var_1_20 = __VERIFIER_nondet_long() [L91] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L92] CALL assume_abort_if_not(var_1_20 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_20 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L93] var_1_21 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L95] CALL assume_abort_if_not(var_1_21 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_21 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=-3, var_1_9=32766] [L108] RET updateVariables() [L109] CALL step() [L42] var_1_22 = var_1_19 [L43] var_1_23 = var_1_10 [L44] var_1_24 = var_1_14 [L45] unsigned char stepLocal_0 = var_1_23 <= var_1_24; [L46] COND TRUE var_1_13 || stepLocal_0 [L47] var_1_12 = ((((1 - var_1_14) < 0 ) ? -(1 - var_1_14) : (1 - var_1_14))) [L51] signed short int stepLocal_1 = var_1_10; [L52] COND TRUE stepLocal_1 <= (var_1_23 / var_1_8) [L53] var_1_15 = ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))) [L57] COND FALSE !((((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8))))) [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((((((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8))))) ? (var_1_1 == ((signed short int) (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))))) : 1) && ((var_1_13 || (var_1_23 <= var_1_24)) ? (var_1_12 == ((signed char) ((((1 - var_1_14) < 0 ) ? -(1 - var_1_14) : (1 - var_1_14))))) : (var_1_12 == ((signed char) var_1_14)))) && ((var_1_10 <= (var_1_23 / var_1_8)) ? (var_1_15 == ((signed long int) ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))))) : (var_1_15 == ((signed long int) (var_1_20 - var_1_21))))) && (var_1_22 == ((signed long int) var_1_19))) && (var_1_23 == ((unsigned short int) var_1_10))) && (var_1_24 == ((signed char) var_1_14)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-2147483648, var_1_23=0, var_1_24=0, var_1_8=-3, var_1_9=32766] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-2147483648, var_1_23=0, var_1_24=0, var_1_8=-3, var_1_9=32766] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:25:04,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/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_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/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_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/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_c8c6e525-c192-4540-ad2e-88c08905f859/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 c896693c438af11e7c01d30f7473a54a40cafeb18d2112f14241957160c46b8e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:25:07,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:25:07,325 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:25:07,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:25:07,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:25:07,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:25:07,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:25:07,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:25:07,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:25:07,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:25:07,362 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:25:07,363 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:25:07,364 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:25:07,364 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:25:07,365 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:25:07,365 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:25:07,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:25:07,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:25:07,368 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:25:07,368 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:25:07,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:25:07,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:25:07,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:25:07,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:25:07,371 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:25:07,371 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:25:07,372 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:25:07,372 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:25:07,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:25:07,374 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:25:07,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:25:07,374 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:25:07,375 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:25:07,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:07,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:25:07,376 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:25:07,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:25:07,377 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:25:07,377 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:25:07,378 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:25:07,378 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:25:07,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:25:07,379 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_c8c6e525-c192-4540-ad2e-88c08905f859/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c896693c438af11e7c01d30f7473a54a40cafeb18d2112f14241957160c46b8e [2023-11-19 05:25:07,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:25:07,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:25:07,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:25:07,852 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:25:07,854 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:25:07,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2023-11-19 05:25:11,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:25:11,680 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:25:11,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2023-11-19 05:25:11,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/data/0670776ff/020feba2d9a447e9b447da7b7ebb5fb3/FLAG24e67dcfa [2023-11-19 05:25:11,709 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/data/0670776ff/020feba2d9a447e9b447da7b7ebb5fb3 [2023-11-19 05:25:11,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:25:11,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:25:11,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:11,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:25:11,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:25:11,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:11" (1/1) ... [2023-11-19 05:25:11,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b9735c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:11, skipping insertion in model container [2023-11-19 05:25:11,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:11" (1/1) ... [2023-11-19 05:25:11,761 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:25:11,935 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_c8c6e525-c192-4540-ad2e-88c08905f859/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2023-11-19 05:25:11,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:12,018 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:25:12,044 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_c8c6e525-c192-4540-ad2e-88c08905f859/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2023-11-19 05:25:12,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:12,125 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:25:12,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:12 WrapperNode [2023-11-19 05:25:12,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:12,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:12,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:25:12,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:25:12,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:12" (1/1) ... [2023-11-19 05:25:12,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:12" (1/1) ... [2023-11-19 05:25:12,190 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2023-11-19 05:25:12,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:12,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:25:12,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:25:12,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:25:12,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:12" (1/1) ... [2023-11-19 05:25:12,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:12" (1/1) ... [2023-11-19 05:25:12,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:12" (1/1) ... [2023-11-19 05:25:12,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:12" (1/1) ... [2023-11-19 05:25:12,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:12" (1/1) ... [2023-11-19 05:25:12,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:12" (1/1) ... [2023-11-19 05:25:12,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:12" (1/1) ... [2023-11-19 05:25:12,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:12" (1/1) ... [2023-11-19 05:25:12,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:25:12,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:25:12,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:25:12,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:25:12,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:12" (1/1) ... [2023-11-19 05:25:12,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:12,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:12,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:25:12,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:25:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:25:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:25:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:25:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:25:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:25:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:25:12,402 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:25:12,405 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:25:16,440 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:25:16,449 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:25:16,450 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:25:16,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:16 BoogieIcfgContainer [2023-11-19 05:25:16,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:25:16,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:25:16,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:25:16,460 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:25:16,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:25:11" (1/3) ... [2023-11-19 05:25:16,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e79aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:16, skipping insertion in model container [2023-11-19 05:25:16,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:12" (2/3) ... [2023-11-19 05:25:16,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e79aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:16, skipping insertion in model container [2023-11-19 05:25:16,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:16" (3/3) ... [2023-11-19 05:25:16,463 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-80.i [2023-11-19 05:25:16,483 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:25:16,483 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:25:16,531 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:25:16,538 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;@67708300, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:25:16,539 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:25:16,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 05:25:16,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-19 05:25:16,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:16,580 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:25:16,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:16,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:16,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1288136678, now seen corresponding path program 1 times [2023-11-19 05:25:16,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:16,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [591935400] [2023-11-19 05:25:16,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:16,600 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:25:16,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:16,604 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:25:16,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:25:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:25:16,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:25:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:25:17,251 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-19 05:25:17,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [248500710] [2023-11-19 05:25:17,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:17,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:25:17,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:25:17,258 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:25:17,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c6e525-c192-4540-ad2e-88c08905f859/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 05:25:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:18,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 05:25:18,159 INFO L285 TraceCheckSpWp]: Computing forward predicates...