./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 45c081c18111dd155e78ed85bc578485b2832d478798dee1aff049f2097e33fc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:28:18,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:28:18,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:28:18,544 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:28:18,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:28:18,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:28:18,573 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:28:18,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:28:18,574 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:28:18,575 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:28:18,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:28:18,576 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:28:18,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:28:18,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:28:18,578 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:28:18,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:28:18,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:28:18,579 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:28:18,580 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:28:18,580 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:28:18,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:28:18,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:28:18,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:28:18,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:28:18,583 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:28:18,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:28:18,584 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:28:18,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:28:18,585 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:28:18,586 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:28:18,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:28:18,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:28:18,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:28:18,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:28:18,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:28:18,587 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:28:18,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:28:18,588 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:28:18,588 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:28:18,588 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:28:18,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:28:18,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:28:18,589 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45c081c18111dd155e78ed85bc578485b2832d478798dee1aff049f2097e33fc [2023-11-29 05:28:18,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:28:18,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:28:18,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:28:18,840 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:28:18,841 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:28:18,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i [2023-11-29 05:28:21,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:28:21,720 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:28:21,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i [2023-11-29 05:28:21,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/data/ce5748c64/40e9e90df7224a13b7344b2078b09739/FLAG32eb6a856 [2023-11-29 05:28:21,740 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/data/ce5748c64/40e9e90df7224a13b7344b2078b09739 [2023-11-29 05:28:21,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:28:21,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:28:21,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:28:21,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:28:21,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:28:21,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:28:21" (1/1) ... [2023-11-29 05:28:21,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fd2f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:21, skipping insertion in model container [2023-11-29 05:28:21,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:28:21" (1/1) ... [2023-11-29 05:28:21,774 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:28:21,895 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_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i[917,930] [2023-11-29 05:28:21,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:28:21,953 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:28:21,963 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_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i[917,930] [2023-11-29 05:28:21,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:28:22,003 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:28:22,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:22 WrapperNode [2023-11-29 05:28:22,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:28:22,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:28:22,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:28:22,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:28:22,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:22" (1/1) ... [2023-11-29 05:28:22,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:22" (1/1) ... [2023-11-29 05:28:22,056 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-11-29 05:28:22,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:28:22,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:28:22,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:28:22,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:28:22,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:22" (1/1) ... [2023-11-29 05:28:22,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:22" (1/1) ... [2023-11-29 05:28:22,070 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:22" (1/1) ... [2023-11-29 05:28:22,089 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 05:28:22,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:22" (1/1) ... [2023-11-29 05:28:22,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:22" (1/1) ... [2023-11-29 05:28:22,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:22" (1/1) ... [2023-11-29 05:28:22,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:22" (1/1) ... [2023-11-29 05:28:22,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:22" (1/1) ... [2023-11-29 05:28:22,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:22" (1/1) ... [2023-11-29 05:28:22,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:28:22,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:28:22,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:28:22,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:28:22,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:22" (1/1) ... [2023-11-29 05:28:22,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:28:22,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:22,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:22,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:28:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:28:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:28:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:28:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:28:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:28:22,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:28:22,243 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:28:22,245 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:28:22,533 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:28:22,577 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:28:22,578 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:28:22,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:28:22 BoogieIcfgContainer [2023-11-29 05:28:22,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:28:22,582 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:28:22,582 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:28:22,585 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:28:22,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:28:21" (1/3) ... [2023-11-29 05:28:22,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d19cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:28:22, skipping insertion in model container [2023-11-29 05:28:22,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:22" (2/3) ... [2023-11-29 05:28:22,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d19cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:28:22, skipping insertion in model container [2023-11-29 05:28:22,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:28:22" (3/3) ... [2023-11-29 05:28:22,589 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-84.i [2023-11-29 05:28:22,604 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:28:22,605 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:28:22,648 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:28:22,655 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=PETRI_NET, 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;@2b1c9f7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:28:22,655 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:28:22,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 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) [2023-11-29 05:28:22,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 05:28:22,673 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:28:22,674 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] [2023-11-29 05:28:22,674 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:28:22,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:22,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1398631484, now seen corresponding path program 1 times [2023-11-29 05:28:22,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:28:22,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962444707] [2023-11-29 05:28:22,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:22,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:28:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:22,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:28:22,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962444707] [2023-11-29 05:28:22,861 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 05:28:22,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213283482] [2023-11-29 05:28:22,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:22,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:28:22,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:22,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:28:22,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:28:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:23,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:28:23,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:28:23,064 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-29 05:28:23,064 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:28:23,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213283482] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:28:23,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:28:23,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:28:23,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366802644] [2023-11-29 05:28:23,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:28:23,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:28:23,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:28:23,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:28:23,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:28:23,107 INFO L87 Difference]: Start difference. First operand has 49 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 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 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 05:28:23,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:28:23,161 INFO L93 Difference]: Finished difference Result 95 states and 170 transitions. [2023-11-29 05:28:23,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:28:23,164 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 120 [2023-11-29 05:28:23,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:28:23,172 INFO L225 Difference]: With dead ends: 95 [2023-11-29 05:28:23,172 INFO L226 Difference]: Without dead ends: 47 [2023-11-29 05:28:23,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:28:23,180 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:28:23,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:28:23,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-29 05:28:23,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-29 05:28:23,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 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) [2023-11-29 05:28:23,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 71 transitions. [2023-11-29 05:28:23,229 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 71 transitions. Word has length 120 [2023-11-29 05:28:23,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:28:23,230 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 71 transitions. [2023-11-29 05:28:23,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 05:28:23,230 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2023-11-29 05:28:23,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 05:28:23,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:28:23,234 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] [2023-11-29 05:28:23,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:28:23,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 05:28:23,441 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:28:23,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:23,442 INFO L85 PathProgramCache]: Analyzing trace with hash 534550204, now seen corresponding path program 1 times [2023-11-29 05:28:23,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:28:23,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209048001] [2023-11-29 05:28:23,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:23,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:28:23,497 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:28:23,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2011359964] [2023-11-29 05:28:23,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:23,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:28:23,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:23,499 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:28:23,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:28:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:28:24,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:28:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:28:24,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:28:24,255 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:28:24,257 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:28:24,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-29 05:28:24,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:28:24,462 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 05:28:24,464 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:28:24,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:28:24 BoogieIcfgContainer [2023-11-29 05:28:24,544 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:28:24,545 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:28:24,545 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:28:24,545 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:28:24,546 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:28:22" (3/4) ... [2023-11-29 05:28:24,548 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:28:24,549 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:28:24,550 INFO L158 Benchmark]: Toolchain (without parser) took 2805.28ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 107.3MB in the beginning and 157.8MB in the end (delta: -50.6MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-11-29 05:28:24,550 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:28:24,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.69ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 94.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 05:28:24,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.96ms. Allocated memory is still 151.0MB. Free memory was 94.3MB in the beginning and 90.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:28:24,551 INFO L158 Benchmark]: Boogie Preprocessor took 53.17ms. Allocated memory is still 151.0MB. Free memory was 90.6MB in the beginning and 85.2MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:28:24,552 INFO L158 Benchmark]: RCFGBuilder took 467.55ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 85.2MB in the beginning and 161.3MB in the end (delta: -76.1MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-11-29 05:28:24,553 INFO L158 Benchmark]: TraceAbstraction took 1962.78ms. Allocated memory is still 203.4MB. Free memory was 161.3MB in the beginning and 157.8MB in the end (delta: 3.5MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2023-11-29 05:28:24,553 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 203.4MB. Free memory is still 157.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:28:24,556 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.69ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 94.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.96ms. Allocated memory is still 151.0MB. Free memory was 94.3MB in the beginning and 90.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.17ms. Allocated memory is still 151.0MB. Free memory was 90.6MB in the beginning and 85.2MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 467.55ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 85.2MB in the beginning and 161.3MB in the end (delta: -76.1MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1962.78ms. Allocated memory is still 203.4MB. Free memory was 161.3MB in the beginning and 157.8MB in the end (delta: 3.5MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 203.4MB. Free memory is still 157.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 128; [L23] unsigned char var_1_4 = 25; [L24] unsigned char var_1_5 = 64; [L25] unsigned char var_1_6 = 8; [L26] unsigned char var_1_7 = 0; [L27] unsigned short int var_1_8 = 64; [L28] unsigned char var_1_9 = 1; [L29] unsigned short int var_1_10 = 27843; [L30] signed short int var_1_11 = -4; [L31] unsigned char var_1_13 = 128; [L32] unsigned char var_1_14 = 5; [L33] signed short int var_1_15 = 28020; [L34] signed short int var_1_16 = 128; [L35] float var_1_17 = 1000000000.926; [L36] float var_1_18 = 1000000.6; [L37] unsigned short int last_1_var_1_8 = 64; [L38] signed short int last_1_var_1_11 = -4; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] CALL updateLastVariables() [L96] last_1_var_1_8 = var_1_8 [L97] last_1_var_1_11 = var_1_11 [L107] RET updateLastVariables() [L108] CALL updateVariables() [L64] var_1_4 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L65] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L66] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L66] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L67] var_1_5 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L68] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L69] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L69] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L70] var_1_6 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_7=0, var_1_8=64, var_1_9=1] [L71] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_7=0, var_1_8=64, var_1_9=1] [L72] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L72] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L73] var_1_7 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_8=64, var_1_9=1] [L74] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_8=64, var_1_9=1] [L75] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L75] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L76] var_1_9 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64] [L77] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64] [L78] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L78] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L79] var_1_10 = __VERIFIER_nondet_ushort() [L80] CALL assume_abort_if_not(var_1_10 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L80] RET assume_abort_if_not(var_1_10 >= 16383) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L81] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L81] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L82] var_1_13 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_13 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L83] RET assume_abort_if_not(var_1_13 >= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L84] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L85] var_1_14 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L86] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L87] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_14 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L88] RET assume_abort_if_not(var_1_14 != 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L89] var_1_15 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_15 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L90] RET assume_abort_if_not(var_1_15 >= 16383) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L91] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L92] var_1_18 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L93] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L108] RET updateVariables() [L109] CALL step() [L42] signed long int stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_1=128, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L43] COND TRUE stepLocal_0 != last_1_var_1_8 [L44] var_1_1 = (var_1_4 + ((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_1=24, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=64, var_1_9=1] [L48] COND TRUE \read(var_1_9) [L49] var_1_8 = ((var_1_10 + 23103) - (32 + var_1_6)) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=500000000463/500, var_1_1=24, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=39453, var_1_9=1] [L51] COND TRUE ! (var_1_5 > var_1_10) [L52] var_1_16 = (32 - 8) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=24, var_1_17=500000000463/500, var_1_1=24, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=39453, var_1_9=1] [L56] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=24, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=39453, var_1_9=1] [L57] COND FALSE !(var_1_1 < var_1_16) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=24, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=39453, var_1_9=1] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((last_1_var_1_11 != last_1_var_1_8) ? (var_1_1 == ((unsigned char) (var_1_4 + ((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)))))) : (var_1_1 == ((unsigned char) var_1_4))) && (var_1_9 ? (var_1_8 == ((unsigned short int) ((var_1_10 + 23103) - (32 + var_1_6)))) : 1)) && ((var_1_1 < var_1_16) ? ((((- 8) / (var_1_13 - var_1_14)) >= var_1_6) ? (var_1_11 == ((signed short int) (var_1_16 - (var_1_15 - var_1_14)))) : 1) : 1)) && ((! (var_1_5 > var_1_10)) ? (var_1_16 == ((signed short int) (32 - 8))) : (var_1_16 == ((signed short int) (var_1_13 - var_1_4))))) && (var_1_17 == ((float) var_1_18)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=24, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=39453, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=125, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=24, var_1_4=23, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=39453, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 68 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 278 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 760/760 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 [2023-11-29 05:28:24,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 45c081c18111dd155e78ed85bc578485b2832d478798dee1aff049f2097e33fc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:28:26,542 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:28:26,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 05:28:26,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:28:26,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:28:26,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:28:26,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:28:26,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:28:26,657 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:28:26,658 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:28:26,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:28:26,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:28:26,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:28:26,660 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:28:26,661 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:28:26,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:28:26,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:28:26,663 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:28:26,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:28:26,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:28:26,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:28:26,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:28:26,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:28:26,665 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 05:28:26,666 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 05:28:26,666 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 05:28:26,666 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:28:26,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:28:26,667 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:28:26,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:28:26,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:28:26,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:28:26,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:28:26,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:28:26,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:28:26,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:28:26,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:28:26,670 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 05:28:26,670 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 05:28:26,670 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:28:26,670 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:28:26,671 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:28:26,671 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:28:26,671 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:28:26,671 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 05:28:26,672 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45c081c18111dd155e78ed85bc578485b2832d478798dee1aff049f2097e33fc [2023-11-29 05:28:26,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:28:27,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:28:27,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:28:27,012 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:28:27,012 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:28:27,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i [2023-11-29 05:28:29,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:28:29,929 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:28:29,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i [2023-11-29 05:28:29,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/data/a69c28a77/841c19fab4c44c1ea22827b421afbb34/FLAGa4350bace [2023-11-29 05:28:29,952 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/data/a69c28a77/841c19fab4c44c1ea22827b421afbb34 [2023-11-29 05:28:29,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:28:29,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:28:29,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:28:29,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:28:29,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:28:29,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:28:29" (1/1) ... [2023-11-29 05:28:29,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572626e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:29, skipping insertion in model container [2023-11-29 05:28:29,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:28:29" (1/1) ... [2023-11-29 05:28:29,988 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:28:30,133 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_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i[917,930] [2023-11-29 05:28:30,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:28:30,189 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:28:30,199 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_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-84.i[917,930] [2023-11-29 05:28:30,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:28:30,237 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:28:30,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:30 WrapperNode [2023-11-29 05:28:30,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:28:30,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:28:30,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:28:30,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:28:30,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:30" (1/1) ... [2023-11-29 05:28:30,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:30" (1/1) ... [2023-11-29 05:28:30,284 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2023-11-29 05:28:30,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:28:30,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:28:30,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:28:30,285 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:28:30,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:30" (1/1) ... [2023-11-29 05:28:30,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:30" (1/1) ... [2023-11-29 05:28:30,299 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:30" (1/1) ... [2023-11-29 05:28:30,312 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 05:28:30,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:30" (1/1) ... [2023-11-29 05:28:30,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:30" (1/1) ... [2023-11-29 05:28:30,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:30" (1/1) ... [2023-11-29 05:28:30,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:30" (1/1) ... [2023-11-29 05:28:30,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:30" (1/1) ... [2023-11-29 05:28:30,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:30" (1/1) ... [2023-11-29 05:28:30,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:28:30,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:28:30,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:28:30,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:28:30,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:30" (1/1) ... [2023-11-29 05:28:30,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:28:30,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:28:30,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:28:30,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:28:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:28:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 05:28:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:28:30,396 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:28:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:28:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:28:30,473 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:28:30,474 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:28:30,749 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:28:30,806 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:28:30,806 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:28:30,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:28:30 BoogieIcfgContainer [2023-11-29 05:28:30,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:28:30,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:28:30,808 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:28:30,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:28:30,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:28:29" (1/3) ... [2023-11-29 05:28:30,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdaaedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:28:30, skipping insertion in model container [2023-11-29 05:28:30,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:28:30" (2/3) ... [2023-11-29 05:28:30,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdaaedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:28:30, skipping insertion in model container [2023-11-29 05:28:30,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:28:30" (3/3) ... [2023-11-29 05:28:30,841 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-84.i [2023-11-29 05:28:30,857 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:28:30,857 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:28:30,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:28:30,904 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=PETRI_NET, 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;@2a33c631, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:28:30,905 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:28:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 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) [2023-11-29 05:28:30,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 05:28:30,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:28:30,923 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] [2023-11-29 05:28:30,923 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:28:30,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:30,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1398631484, now seen corresponding path program 1 times [2023-11-29 05:28:30,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:28:30,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1762859884] [2023-11-29 05:28:30,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:30,942 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 [2023-11-29 05:28:30,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:28:30,943 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:28:30,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:28:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:31,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:28:31,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:28:31,221 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-29 05:28:31,222 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:28:31,222 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:28:31,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1762859884] [2023-11-29 05:28:31,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1762859884] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:28:31,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:28:31,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:28:31,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53467893] [2023-11-29 05:28:31,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:28:31,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:28:31,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:28:31,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:28:31,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:28:31,264 INFO L87 Difference]: Start difference. First operand has 49 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 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 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:28:31,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:28:31,349 INFO L93 Difference]: Finished difference Result 95 states and 170 transitions. [2023-11-29 05:28:31,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:28:31,356 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 120 [2023-11-29 05:28:31,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:28:31,363 INFO L225 Difference]: With dead ends: 95 [2023-11-29 05:28:31,363 INFO L226 Difference]: Without dead ends: 47 [2023-11-29 05:28:31,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:28:31,371 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:28:31,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:28:31,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-29 05:28:31,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-29 05:28:31,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 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) [2023-11-29 05:28:31,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 71 transitions. [2023-11-29 05:28:31,414 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 71 transitions. Word has length 120 [2023-11-29 05:28:31,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:28:31,414 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 71 transitions. [2023-11-29 05:28:31,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:28:31,415 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2023-11-29 05:28:31,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 05:28:31,417 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:28:31,418 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] [2023-11-29 05:28:31,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:28:31,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:28:31,619 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:28:31,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:31,620 INFO L85 PathProgramCache]: Analyzing trace with hash 534550204, now seen corresponding path program 1 times [2023-11-29 05:28:31,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:28:31,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [342022466] [2023-11-29 05:28:31,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:31,622 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 [2023-11-29 05:28:31,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:28:31,623 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:28:31,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:28:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:31,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 05:28:31,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:13,028 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-29 05:33:13,028 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:33:13,029 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:33:13,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [342022466] [2023-11-29 05:33:13,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [342022466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:13,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:13,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 05:33:13,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103128012] [2023-11-29 05:33:13,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:13,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 05:33:13,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:33:13,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 05:33:13,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:33:13,034 INFO L87 Difference]: Start difference. First operand 47 states and 71 transitions. Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 12 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:33:15,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:15,807 INFO L93 Difference]: Finished difference Result 135 states and 191 transitions. [2023-11-29 05:33:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:33:15,808 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 12 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 120 [2023-11-29 05:33:15,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:15,811 INFO L225 Difference]: With dead ends: 135 [2023-11-29 05:33:15,811 INFO L226 Difference]: Without dead ends: 133 [2023-11-29 05:33:15,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2023-11-29 05:33:15,813 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 126 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:15,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 336 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 05:33:15,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-29 05:33:15,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 101. [2023-11-29 05:33:15,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 57 states have (on average 1.263157894736842) internal successors, (72), 57 states have internal predecessors, (72), 40 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 05:33:15,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 152 transitions. [2023-11-29 05:33:15,845 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 152 transitions. Word has length 120 [2023-11-29 05:33:15,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:15,846 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 152 transitions. [2023-11-29 05:33:15,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 12 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:33:15,846 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2023-11-29 05:33:15,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 05:33:15,849 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:15,850 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] [2023-11-29 05:33:15,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 05:33:16,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:33:16,051 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:16,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:16,052 INFO L85 PathProgramCache]: Analyzing trace with hash 591808506, now seen corresponding path program 1 times [2023-11-29 05:33:16,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:33:16,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101557079] [2023-11-29 05:33:16,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:16,052 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 [2023-11-29 05:33:16,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:33:16,053 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:33:16,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 05:33:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:16,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 05:33:16,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:16,538 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 410 proven. 48 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-11-29 05:33:16,538 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:33:16,605 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:33:16,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [101557079] [2023-11-29 05:33:16,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [101557079] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:33:16,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1503353614] [2023-11-29 05:33:16,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:16,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 05:33:16,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 05:33:16,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 05:33:16,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-29 05:33:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:17,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:33:17,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:17,159 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-29 05:33:17,159 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:33:17,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1503353614] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:33:17,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:33:17,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 8 [2023-11-29 05:33:17,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217607647] [2023-11-29 05:33:17,180 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:33:17,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:33:17,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:33:17,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:33:17,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:33:17,183 INFO L87 Difference]: Start difference. First operand 101 states and 152 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-29 05:33:17,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:17,666 INFO L93 Difference]: Finished difference Result 221 states and 319 transitions. [2023-11-29 05:33:17,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:33:17,671 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 120 [2023-11-29 05:33:17,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:17,673 INFO L225 Difference]: With dead ends: 221 [2023-11-29 05:33:17,673 INFO L226 Difference]: Without dead ends: 121 [2023-11-29 05:33:17,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2023-11-29 05:33:17,676 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 54 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:17,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 135 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 05:33:17,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-29 05:33:17,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 117. [2023-11-29 05:33:17,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 69 states have (on average 1.173913043478261) internal successors, (81), 69 states have internal predecessors, (81), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 05:33:17,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 161 transitions. [2023-11-29 05:33:17,701 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 161 transitions. Word has length 120 [2023-11-29 05:33:17,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:17,702 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 161 transitions. [2023-11-29 05:33:17,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-29 05:33:17,703 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 161 transitions. [2023-11-29 05:33:17,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 05:33:17,705 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:17,706 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] [2023-11-29 05:33:17,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 05:33:17,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-29 05:33:18,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 05:33:18,108 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:18,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:18,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1985409730, now seen corresponding path program 1 times [2023-11-29 05:33:18,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:33:18,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1018400060] [2023-11-29 05:33:18,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:18,110 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 [2023-11-29 05:33:18,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:33:18,111 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:33:18,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 05:33:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:18,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 05:33:18,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:40:05,104 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-29 05:40:05,104 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:40:05,104 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:40:05,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1018400060] [2023-11-29 05:40:05,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1018400060] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:40:05,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:40:05,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 05:40:05,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38898722] [2023-11-29 05:40:05,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:40:05,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 05:40:05,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:40:05,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 05:40:05,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:40:05,107 INFO L87 Difference]: Start difference. First operand 117 states and 161 transitions. Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 12 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:40:07,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:40:07,577 INFO L93 Difference]: Finished difference Result 144 states and 190 transitions. [2023-11-29 05:40:07,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:40:07,578 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 12 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 120 [2023-11-29 05:40:07,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:40:07,580 INFO L225 Difference]: With dead ends: 144 [2023-11-29 05:40:07,580 INFO L226 Difference]: Without dead ends: 142 [2023-11-29 05:40:07,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2023-11-29 05:40:07,582 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 117 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:40:07,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 271 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 05:40:07,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-29 05:40:07,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 117. [2023-11-29 05:40:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 69 states have (on average 1.173913043478261) internal successors, (81), 69 states have internal predecessors, (81), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 05:40:07,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 161 transitions. [2023-11-29 05:40:07,608 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 161 transitions. Word has length 120 [2023-11-29 05:40:07,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:40:07,609 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 161 transitions. [2023-11-29 05:40:07,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 12 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:40:07,609 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 161 transitions. [2023-11-29 05:40:07,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 05:40:07,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:40:07,612 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] [2023-11-29 05:40:07,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 05:40:07,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:40:07,819 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:40:07,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:40:07,819 INFO L85 PathProgramCache]: Analyzing trace with hash -274796422, now seen corresponding path program 1 times [2023-11-29 05:40:07,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:40:07,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305016711] [2023-11-29 05:40:07,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:40:07,820 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 [2023-11-29 05:40:07,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:40:07,821 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:40:07,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-29 05:40:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:07,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:40:07,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:40:08,255 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 05:40:08,255 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:40:08,256 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:40:08,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305016711] [2023-11-29 05:40:08,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305016711] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:40:08,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:40:08,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:40:08,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50173499] [2023-11-29 05:40:08,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:40:08,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:40:08,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:40:08,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:40:08,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:40:08,258 INFO L87 Difference]: Start difference. First operand 117 states and 161 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:40:08,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:40:08,497 INFO L93 Difference]: Finished difference Result 237 states and 322 transitions. [2023-11-29 05:40:08,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:40:08,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 120 [2023-11-29 05:40:08,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:40:08,504 INFO L225 Difference]: With dead ends: 237 [2023-11-29 05:40:08,504 INFO L226 Difference]: Without dead ends: 121 [2023-11-29 05:40:08,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:40:08,505 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 54 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:40:08,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 265 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:40:08,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-29 05:40:08,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 113. [2023-11-29 05:40:08,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 65 states have (on average 1.1384615384615384) internal successors, (74), 65 states have internal predecessors, (74), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 05:40:08,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 154 transitions. [2023-11-29 05:40:08,526 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 154 transitions. Word has length 120 [2023-11-29 05:40:08,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:40:08,527 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 154 transitions. [2023-11-29 05:40:08,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:40:08,527 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 154 transitions. [2023-11-29 05:40:08,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-29 05:40:08,529 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:40:08,529 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] [2023-11-29 05:40:08,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-29 05:40:08,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:40:08,730 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:40:08,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:40:08,730 INFO L85 PathProgramCache]: Analyzing trace with hash -618490107, now seen corresponding path program 1 times [2023-11-29 05:40:08,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:40:08,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446974520] [2023-11-29 05:40:08,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:40:08,731 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 [2023-11-29 05:40:08,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:40:08,732 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:40:08,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5e327a-ba38-4ef6-a9d3-3fe18ce31e9b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-29 05:40:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:08,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 05:40:08,881 INFO L285 TraceCheckSpWp]: Computing forward predicates...