./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.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_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/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_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/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_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/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 5353ffee1c37a3ffec4ffba8ec43efc8addb948d99d804c998abea189ea9cf15 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:16:45,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:16:45,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:16:45,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:16:45,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:16:45,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:16:45,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:16:45,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:16:45,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:16:45,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:16:45,414 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:16:45,414 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:16:45,415 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:16:45,415 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:16:45,416 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:16:45,416 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:16:45,417 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:16:45,417 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:16:45,418 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:16:45,418 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:16:45,419 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:16:45,420 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:16:45,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:16:45,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:16:45,421 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:16:45,422 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:16:45,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:16:45,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:16:45,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:16:45,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:16:45,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:16:45,424 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:16:45,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:16:45,425 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:16:45,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:16:45,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:16:45,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:45,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:16:45,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:16:45,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:16:45,426 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:16:45,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:16:45,427 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:16:45,427 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:16:45,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:16:45,427 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_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5353ffee1c37a3ffec4ffba8ec43efc8addb948d99d804c998abea189ea9cf15 [2023-11-19 05:16:45,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:16:45,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:16:45,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:16:45,698 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:16:45,699 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:16:45,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i [2023-11-19 05:16:48,807 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:16:49,099 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:16:49,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i [2023-11-19 05:16:49,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/data/1cd5b432f/3ad145d1ffa449039da5c42f51419c9e/FLAGe366c51aa [2023-11-19 05:16:49,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/data/1cd5b432f/3ad145d1ffa449039da5c42f51419c9e [2023-11-19 05:16:49,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:16:49,147 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:16:49,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:49,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:16:49,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:16:49,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420607dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49, skipping insertion in model container [2023-11-19 05:16:49,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,207 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:16:49,370 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_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i[916,929] [2023-11-19 05:16:49,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:49,426 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:16:49,440 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_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i[916,929] [2023-11-19 05:16:49,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:49,479 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:16:49,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49 WrapperNode [2023-11-19 05:16:49,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:49,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:49,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:16:49,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:16:49,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,524 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2023-11-19 05:16:49,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:49,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:16:49,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:16:49,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:16:49,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:16:49,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:16:49,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:16:49,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:16:49,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:49,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:49,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:16:49,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:16:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:16:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:16:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:16:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:16:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:16:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:16:49,717 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:16:49,720 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:16:50,021 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:16:50,314 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:16:50,315 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:16:50,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:50 BoogieIcfgContainer [2023-11-19 05:16:50,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:16:50,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:16:50,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:16:50,326 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:16:50,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:16:49" (1/3) ... [2023-11-19 05:16:50,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5968cd5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:50, skipping insertion in model container [2023-11-19 05:16:50,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (2/3) ... [2023-11-19 05:16:50,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5968cd5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:50, skipping insertion in model container [2023-11-19 05:16:50,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:50" (3/3) ... [2023-11-19 05:16:50,329 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-91.i [2023-11-19 05:16:50,349 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:16:50,349 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:16:50,394 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:16:50,399 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;@1d42222d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:16:50,400 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:16:50,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 05:16:50,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 05:16:50,414 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:50,415 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:16:50,415 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:50,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:50,420 INFO L85 PathProgramCache]: Analyzing trace with hash -868249027, now seen corresponding path program 1 times [2023-11-19 05:16:50,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:16:50,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401209053] [2023-11-19 05:16:50,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:50,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:16:50,603 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:16:50,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1799300205] [2023-11-19 05:16:50,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:50,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:16:50,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:50,607 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:16:50,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:16:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:16:50,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:16:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:16:51,058 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:16:51,061 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:16:51,063 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:16:51,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:16:51,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:16:51,275 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:16:51,280 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:16:51,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:16:51 BoogieIcfgContainer [2023-11-19 05:16:51,359 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:16:51,360 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:16:51,360 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:16:51,361 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:16:51,361 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:50" (3/4) ... [2023-11-19 05:16:51,363 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:16:51,365 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:16:51,366 INFO L158 Benchmark]: Toolchain (without parser) took 2218.62ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 94.5MB in the beginning and 116.1MB in the end (delta: -21.6MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2023-11-19 05:16:51,367 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:16:51,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.70ms. Allocated memory is still 132.1MB. Free memory was 94.2MB in the beginning and 81.9MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:16:51,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.41ms. Allocated memory is still 132.1MB. Free memory was 81.9MB in the beginning and 79.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:16:51,369 INFO L158 Benchmark]: Boogie Preprocessor took 29.91ms. Allocated memory is still 132.1MB. Free memory was 79.5MB in the beginning and 78.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:16:51,370 INFO L158 Benchmark]: RCFGBuilder took 764.36ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 78.2MB in the beginning and 151.7MB in the end (delta: -73.5MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-11-19 05:16:51,370 INFO L158 Benchmark]: TraceAbstraction took 1036.39ms. Allocated memory is still 192.9MB. Free memory was 150.9MB in the beginning and 116.9MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 05:16:51,371 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 192.9MB. Free memory was 116.9MB in the beginning and 116.1MB in the end (delta: 864.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:16:51,375 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.70ms. Allocated memory is still 132.1MB. Free memory was 94.2MB in the beginning and 81.9MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.41ms. Allocated memory is still 132.1MB. Free memory was 81.9MB in the beginning and 79.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.91ms. Allocated memory is still 132.1MB. Free memory was 79.5MB in the beginning and 78.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 764.36ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 78.2MB in the beginning and 151.7MB in the end (delta: -73.5MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1036.39ms. Allocated memory is still 192.9MB. Free memory was 150.9MB in the beginning and 116.9MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 192.9MB. Free memory was 116.9MB in the beginning and 116.1MB in the end (delta: 864.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 100000000; [L23] signed long int var_1_2 = 49; [L24] unsigned long int var_1_3 = 64; [L25] unsigned long int var_1_4 = 64; [L26] signed short int var_1_5 = 1; [L27] signed long int var_1_6 = 8; [L28] signed long int var_1_7 = 0; [L29] signed short int var_1_8 = -4; [L30] unsigned long int var_1_9 = 64; [L31] unsigned long int var_1_10 = 16; [L32] unsigned long int var_1_11 = 10; [L33] signed short int var_1_12 = 100; [L34] signed short int var_1_14 = 128; [L35] signed short int var_1_15 = 10; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L71] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L72] var_1_3 = __VERIFIER_nondet_ulong() [L73] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L74] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L75] var_1_4 = __VERIFIER_nondet_ulong() [L76] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L77] CALL assume_abort_if_not(var_1_4 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_4 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L78] var_1_6 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=0, var_1_8=-4, var_1_9=64] [L80] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=0, var_1_8=-4, var_1_9=64] [L81] var_1_7 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=-4, var_1_9=64] [L83] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=-4, var_1_9=64] [L84] var_1_8 = __VERIFIER_nondet_short() [L85] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L86] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L87] var_1_10 = __VERIFIER_nondet_ulong() [L88] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L89] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L90] var_1_11 = __VERIFIER_nondet_ulong() [L91] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L92] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L93] var_1_14 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=100, var_1_14=-1, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=100, var_1_14=-1, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L95] CALL assume_abort_if_not(var_1_14 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=100, var_1_14=-1, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_14 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=100, var_1_14=-1, var_1_15=10, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L96] var_1_15 = __VERIFIER_nondet_short() [L97] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=100, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=100, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L98] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=100, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=100, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=1, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=64] [L111] RET updateVariables() [L112] CALL step() [L39] COND FALSE !(var_1_2 >= 50.4f) [L42] COND TRUE var_1_3 == (var_1_1 * var_1_4) [L43] COND FALSE !(var_1_2 >= (var_1_6 + var_1_7)) [L46] var_1_5 = 32 [L51] COND FALSE !(! (var_1_4 < var_1_3)) [L54] var_1_9 = ((((var_1_11) > (var_1_10)) ? (var_1_11) : (var_1_10))) [L56] COND FALSE !(var_1_10 > var_1_9) [L65] var_1_12 = var_1_15 [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return ((((var_1_2 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) && ((var_1_3 == (var_1_1 * var_1_4)) ? ((var_1_2 >= (var_1_6 + var_1_7)) ? (var_1_5 == ((signed short int) var_1_8)) : (var_1_5 == ((signed short int) 32))) : (var_1_5 == ((signed short int) var_1_8)))) && ((! (var_1_4 < var_1_3)) ? (var_1_9 == ((unsigned long int) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))))) : (var_1_9 == ((unsigned long int) ((((var_1_11) > (var_1_10)) ? (var_1_11) : (var_1_10))))))) && ((var_1_10 > var_1_9) ? ((63.1 >= var_1_7) ? ((var_1_7 >= var_1_2) ? (var_1_12 == ((signed short int) (var_1_14 - var_1_15))) : (var_1_12 == ((signed short int) var_1_14))) : 1) : (var_1_12 == ((signed short int) var_1_15))) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=32, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_2=-2147483648, var_1_3=5032704, var_1_4=43, var_1_5=32, var_1_6=-2147483648, var_1_7=1, var_1_8=33, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 20, 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=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 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 05:16:51,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/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_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/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_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/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_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/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 5353ffee1c37a3ffec4ffba8ec43efc8addb948d99d804c998abea189ea9cf15 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:16:54,298 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:16:54,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:16:54,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:16:54,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:16:54,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:16:54,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:16:54,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:16:54,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:16:54,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:16:54,505 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:16:54,505 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:16:54,506 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:16:54,508 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:16:54,508 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:16:54,509 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:16:54,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:16:54,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:16:54,511 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:16:54,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:16:54,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:16:54,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:16:54,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:16:54,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:16:54,514 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:16:54,515 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:16:54,515 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:16:54,516 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:16:54,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:16:54,517 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:16:54,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:16:54,518 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:16:54,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:16:54,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:54,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:16:54,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:16:54,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:16:54,520 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:16:54,520 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:16:54,521 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:16:54,522 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:16:54,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:16:54,522 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_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5353ffee1c37a3ffec4ffba8ec43efc8addb948d99d804c998abea189ea9cf15 [2023-11-19 05:16:54,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:16:55,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:16:55,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:16:55,011 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:16:55,011 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:16:55,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i [2023-11-19 05:16:58,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:16:58,518 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:16:58,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i [2023-11-19 05:16:58,531 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/data/01042a02c/25c0d3a95e4a4569822beefb8c2f0971/FLAGa3e68be44 [2023-11-19 05:16:58,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/data/01042a02c/25c0d3a95e4a4569822beefb8c2f0971 [2023-11-19 05:16:58,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:16:58,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:16:58,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:58,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:16:58,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:16:58,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559e2b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58, skipping insertion in model container [2023-11-19 05:16:58,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,599 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:16:58,794 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_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i[916,929] [2023-11-19 05:16:58,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:58,857 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:16:58,870 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_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i[916,929] [2023-11-19 05:16:58,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:58,908 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:16:58,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58 WrapperNode [2023-11-19 05:16:58,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:58,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:58,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:16:58,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:16:58,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,953 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-19 05:16:58,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:58,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:16:58,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:16:58,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:16:58,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,969 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:16:58,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:16:58,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:16:58,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:16:58,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:59,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:59,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:59,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:16:59,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:16:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:16:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:16:59,085 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:16:59,085 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:16:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:16:59,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:16:59,184 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:16:59,186 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:17:00,643 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:17:00,654 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:17:00,654 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:17:00,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:00 BoogieIcfgContainer [2023-11-19 05:17:00,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:17:00,663 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:17:00,663 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:17:00,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:17:00,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:16:58" (1/3) ... [2023-11-19 05:17:00,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e86fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:00, skipping insertion in model container [2023-11-19 05:17:00,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (2/3) ... [2023-11-19 05:17:00,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e86fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:00, skipping insertion in model container [2023-11-19 05:17:00,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:00" (3/3) ... [2023-11-19 05:17:00,672 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-91.i [2023-11-19 05:17:00,700 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:17:00,701 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:17:00,787 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:17:00,796 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;@14ff5021, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:17:00,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:17:00,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 05:17:00,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 05:17:00,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:00,826 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:17:00,828 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:00,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:00,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1288732057, now seen corresponding path program 1 times [2023-11-19 05:17:00,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:00,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373600186] [2023-11-19 05:17:00,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:00,854 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 05:17:00,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:00,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/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 05:17:00,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/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 05:17:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:01,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:17:01,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:01,195 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2023-11-19 05:17:01,195 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:01,196 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:01,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1373600186] [2023-11-19 05:17:01,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1373600186] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:01,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:01,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:17:01,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455641883] [2023-11-19 05:17:01,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:01,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:17:01,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:01,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:17:01,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:17:01,263 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 05:17:01,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:01,313 INFO L93 Difference]: Finished difference Result 105 states and 184 transitions. [2023-11-19 05:17:01,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:17:01,317 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 123 [2023-11-19 05:17:01,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:01,326 INFO L225 Difference]: With dead ends: 105 [2023-11-19 05:17:01,326 INFO L226 Difference]: Without dead ends: 52 [2023-11-19 05:17:01,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:17:01,335 INFO L413 NwaCegarLoop]: 78 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, 78 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:01,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:17:01,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-19 05:17:01,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-19 05:17:01,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 05:17:01,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2023-11-19 05:17:01,443 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 123 [2023-11-19 05:17:01,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:01,445 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2023-11-19 05:17:01,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 05:17:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2023-11-19 05:17:01,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 05:17:01,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:01,460 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:17:01,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/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)] Ended with exit code 0 [2023-11-19 05:17:01,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:01,667 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:01,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:01,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1065228903, now seen corresponding path program 1 times [2023-11-19 05:17:01,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:01,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1521475572] [2023-11-19 05:17:01,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:01,673 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 05:17:01,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:01,675 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/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 05:17:01,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f3cef3-fcf6-4cc3-82d1-6dea7ecb2c22/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:17:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:01,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 05:17:01,903 INFO L285 TraceCheckSpWp]: Computing forward predicates...