./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-80.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_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7d166ae6b638088606bec3f58e23df2586db03d75893838c05e66dff30e4b76 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:28:36,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:28:36,653 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 16:28:36,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:28:36,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:28:36,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:28:36,684 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:28:36,684 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:28:36,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:28:36,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:28:36,686 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:28:36,686 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:28:36,687 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:28:36,687 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:28:36,688 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:28:36,688 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:28:36,689 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:28:36,689 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:28:36,690 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:28:36,690 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:28:36,691 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:28:36,691 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:28:36,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:28:36,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:28:36,693 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:28:36,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:28:36,694 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:28:36,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:28:36,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:28:36,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:28:36,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:28:36,696 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:28:36,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:28:36,697 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:28:36,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:28:36,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:28:36,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:28:36,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:28:36,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:28:36,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:28:36,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:28:36,699 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:28:36,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:28:36,699 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:28:36,699 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:28:36,699 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:28:36,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:28:36,700 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7d166ae6b638088606bec3f58e23df2586db03d75893838c05e66dff30e4b76 [2023-12-02 16:28:36,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:28:36,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:28:36,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:28:36,972 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:28:36,972 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:28:36,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-80.i [2023-12-02 16:28:39,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:28:39,868 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:28:39,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-80.i [2023-12-02 16:28:39,878 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/data/7ef7a3a9c/c88b6ecaf6ba41ae8e6da1035e016282/FLAGf23fcdf38 [2023-12-02 16:28:39,888 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/data/7ef7a3a9c/c88b6ecaf6ba41ae8e6da1035e016282 [2023-12-02 16:28:39,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:28:39,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:28:39,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:28:39,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:28:39,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:28:39,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:28:39" (1/1) ... [2023-12-02 16:28:39,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa39f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:39, skipping insertion in model container [2023-12-02 16:28:39,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:28:39" (1/1) ... [2023-12-02 16:28:39,935 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:28:40,058 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_c239f3f5-4e31-498c-9a95-8c7c93813e70/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-80.i[919,932] [2023-12-02 16:28:40,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:28:40,128 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:28:40,141 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_c239f3f5-4e31-498c-9a95-8c7c93813e70/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-80.i[919,932] [2023-12-02 16:28:40,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:28:40,193 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:28:40,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:40 WrapperNode [2023-12-02 16:28:40,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:28:40,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:28:40,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:28:40,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:28:40,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:40" (1/1) ... [2023-12-02 16:28:40,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:40" (1/1) ... [2023-12-02 16:28:40,256 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 226 [2023-12-02 16:28:40,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:28:40,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:28:40,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:28:40,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:28:40,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:40" (1/1) ... [2023-12-02 16:28:40,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:40" (1/1) ... [2023-12-02 16:28:40,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:40" (1/1) ... [2023-12-02 16:28:40,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:40" (1/1) ... [2023-12-02 16:28:40,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:40" (1/1) ... [2023-12-02 16:28:40,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:40" (1/1) ... [2023-12-02 16:28:40,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:40" (1/1) ... [2023-12-02 16:28:40,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:40" (1/1) ... [2023-12-02 16:28:40,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:28:40,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:28:40,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:28:40,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:28:40,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:40" (1/1) ... [2023-12-02 16:28:40,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:28:40,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:28:40,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:28:40,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:28:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:28:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:28:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:28:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:28:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:28:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:28:40,476 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:28:40,479 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:28:40,852 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:28:41,147 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:28:41,147 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:28:41,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:28:41 BoogieIcfgContainer [2023-12-02 16:28:41,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:28:41,152 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:28:41,152 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:28:41,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:28:41,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:28:39" (1/3) ... [2023-12-02 16:28:41,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efbfed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:28:41, skipping insertion in model container [2023-12-02 16:28:41,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:40" (2/3) ... [2023-12-02 16:28:41,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efbfed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:28:41, skipping insertion in model container [2023-12-02 16:28:41,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:28:41" (3/3) ... [2023-12-02 16:28:41,159 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-80.i [2023-12-02 16:28:41,179 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:28:41,180 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:28:41,232 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:28:41,239 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@b0c8023, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:28:41,239 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:28:41,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 16:28:41,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 16:28:41,256 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:28:41,257 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:28:41,257 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:28:41,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:28:41,262 INFO L85 PathProgramCache]: Analyzing trace with hash -470921843, now seen corresponding path program 1 times [2023-12-02 16:28:41,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:28:41,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454952568] [2023-12-02 16:28:41,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:41,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:28:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:28:41,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:28:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:28:42,296 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:28:42,297 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:28:42,298 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:28:42,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:28:42,304 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 16:28:42,308 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:28:42,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:28:42 BoogieIcfgContainer [2023-12-02 16:28:42,395 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:28:42,396 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:28:42,396 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:28:42,396 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:28:42,397 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:28:41" (3/4) ... [2023-12-02 16:28:42,399 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 16:28:42,400 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:28:42,401 INFO L158 Benchmark]: Toolchain (without parser) took 2509.48ms. Allocated memory was 172.0MB in the beginning and 278.9MB in the end (delta: 107.0MB). Free memory was 123.1MB in the beginning and 147.9MB in the end (delta: -24.8MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. [2023-12-02 16:28:42,402 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 172.0MB. Free memory is still 143.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:28:42,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.02ms. Allocated memory is still 172.0MB. Free memory was 123.1MB in the beginning and 107.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 16:28:42,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.53ms. Allocated memory is still 172.0MB. Free memory was 107.5MB in the beginning and 102.5MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:28:42,403 INFO L158 Benchmark]: Boogie Preprocessor took 54.21ms. Allocated memory is still 172.0MB. Free memory was 102.5MB in the beginning and 99.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:28:42,404 INFO L158 Benchmark]: RCFGBuilder took 837.10ms. Allocated memory was 172.0MB in the beginning and 278.9MB in the end (delta: 107.0MB). Free memory was 99.8MB in the beginning and 211.7MB in the end (delta: -112.0MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2023-12-02 16:28:42,405 INFO L158 Benchmark]: TraceAbstraction took 1243.10ms. Allocated memory is still 278.9MB. Free memory was 210.7MB in the beginning and 149.0MB in the end (delta: 61.7MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. [2023-12-02 16:28:42,405 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 278.9MB. Free memory was 149.0MB in the beginning and 147.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:28:42,409 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 172.0MB. Free memory is still 143.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.02ms. Allocated memory is still 172.0MB. Free memory was 123.1MB in the beginning and 107.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.53ms. Allocated memory is still 172.0MB. Free memory was 107.5MB in the beginning and 102.5MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.21ms. Allocated memory is still 172.0MB. Free memory was 102.5MB in the beginning and 99.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 837.10ms. Allocated memory was 172.0MB in the beginning and 278.9MB in the end (delta: 107.0MB). Free memory was 99.8MB in the beginning and 211.7MB in the end (delta: -112.0MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1243.10ms. Allocated memory is still 278.9MB. Free memory was 210.7MB in the beginning and 149.0MB in the end (delta: 61.7MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 278.9MB. Free memory was 149.0MB in the beginning and 147.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of bitwiseOr at line 65, overapproximation of bitwiseAnd at line 58, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 66. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 128; [L23] double var_1_2 = 24.25; [L24] double var_1_3 = 128.5; [L25] double var_1_4 = 4.5; [L26] double var_1_5 = 49.5; [L27] signed short int var_1_9 = -25; [L28] unsigned char var_1_10 = 200; [L29] unsigned char var_1_11 = 1; [L30] unsigned char var_1_12 = 1; [L31] double var_1_13 = 128.375; [L32] unsigned short int var_1_14 = 0; [L33] float var_1_15 = 0.0; [L34] float var_1_16 = 4.87; [L35] float var_1_17 = 8.875; [L36] signed short int var_1_18 = -128; [L37] unsigned char var_1_19 = 0; [L38] unsigned char var_1_20 = 1; [L39] unsigned char var_1_21 = 0; [L40] unsigned long int var_1_22 = 16; [L41] unsigned long int var_1_23 = 4200661734; [L42] float var_1_24 = 9999999999.375; [L43] double var_1_28 = 9.25; [L44] double var_1_29 = 0.0; [L45] double var_1_30 = 127.6; [L46] unsigned long int var_1_32 = 128; [L47] unsigned long int var_1_34 = 1089279310; [L48] unsigned long int var_1_35 = 1307137784; [L49] unsigned long int var_1_36 = 1417807175; [L50] unsigned long int var_1_38 = 2; [L51] unsigned short int var_1_40 = 5; [L52] unsigned char var_1_44 = 5; [L53] unsigned char var_1_46 = 16; [L54] unsigned char last_1_var_1_10 = 200; [L184] isInitial = 1 [L185] FCALL initially() [L186] COND TRUE 1 [L187] CALL updateLastVariables() [L177] last_1_var_1_10 = var_1_10 [L187] RET updateLastVariables() [L188] CALL updateVariables() [L127] var_1_2 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_3=257/2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_3=257/2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L129] var_1_3 = __VERIFIER_nondet_double() [L130] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L131] var_1_4 = __VERIFIER_nondet_double() [L132] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_5=99/2, var_1_9=-25] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_5=99/2, var_1_9=-25] [L133] var_1_5 = __VERIFIER_nondet_double() [L134] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L135] var_1_11 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L137] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L138] var_1_12 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L140] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L141] var_1_13 = __VERIFIER_nondet_double() [L142] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L143] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L144] var_1_15 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_15 >= 4611686.018427387900e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_15 >= 4611686.018427387900e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L146] var_1_16 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L148] var_1_17 = __VERIFIER_nondet_float() [L149] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L150] var_1_20 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L152] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L153] var_1_21 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L155] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L156] var_1_23 = __VERIFIER_nondet_ulong() [L157] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L158] CALL assume_abort_if_not(var_1_23 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_23 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_29=0, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L159] var_1_29 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_29 >= 2305843.009213691390e+12F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_29 >= 2305843.009213691390e+12F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_30=638/5, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L161] var_1_30 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 2305843.009213691390e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 2305843.009213691390e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1089279310, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L163] var_1_34 = __VERIFIER_nondet_ulong() [L164] CALL assume_abort_if_not(var_1_34 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1073741823, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_34 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1073741823, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L165] CALL assume_abort_if_not(var_1_34 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1073741823, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_34 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1073741823, var_1_35=1307137784, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L166] var_1_35 = __VERIFIER_nondet_ulong() [L167] CALL assume_abort_if_not(var_1_35 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1073741823, var_1_35=2147483646, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_35 >= 1073741824) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1073741823, var_1_35=2147483646, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L168] CALL assume_abort_if_not(var_1_35 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1073741823, var_1_35=2147483646, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_35 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1073741823, var_1_35=2147483646, var_1_36=1417807175, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L169] var_1_36 = __VERIFIER_nondet_ulong() [L170] CALL assume_abort_if_not(var_1_36 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1073741823, var_1_35=2147483646, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_36 >= 1073741824) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1073741823, var_1_35=2147483646, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L171] CALL assume_abort_if_not(var_1_36 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1073741823, var_1_35=2147483646, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_36 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1073741823, var_1_35=2147483646, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=16, var_1_9=-25] [L172] var_1_46 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_46 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1073741823, var_1_35=2147483646, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_46 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1073741823, var_1_35=2147483646, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=5, var_1_9=-25] [L174] CALL assume_abort_if_not(var_1_46 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1073741823, var_1_35=2147483646, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=127, var_1_9=-25] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_46 <= 127) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_24=79999999995/8, var_1_28=37/4, var_1_32=128, var_1_34=1073741823, var_1_35=2147483646, var_1_36=2147483647, var_1_38=2, var_1_40=5, var_1_44=5, var_1_46=127, var_1_9=-25] [L188] RET updateVariables() [L189] CALL step() [L58] EXPR var_1_10 & var_1_12 [L58] COND TRUE (var_1_10 & var_1_12) >= -2 [L59] var_1_24 = var_1_16 [L61] var_1_28 = ((8.18603254193775E18 - (var_1_29 - var_1_30)) - var_1_16) [L62] COND FALSE !(\read(var_1_19)) [L65] EXPR var_1_35 | var_1_10 [L65] COND TRUE (var_1_35 | var_1_10) > var_1_10 [L66] COND TRUE var_1_29 <= ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L67] var_1_38 = ((((var_1_18) < ((((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23))) - var_1_36))) ? (var_1_18) : ((((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23))) - var_1_36)))) [L76] COND TRUE (((((var_1_30 * var_1_13)) < (var_1_29)) ? ((var_1_30 * var_1_13)) : (var_1_29))) >= (- var_1_16) [L77] COND TRUE var_1_35 > var_1_34 [L78] var_1_40 = (8 + ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10)))) [L83] EXPR var_1_10 & var_1_12 [L83] COND TRUE -32 < (var_1_10 & var_1_12) [L84] var_1_44 = ((((var_1_12) < ((var_1_46 + 10))) ? (var_1_12) : ((var_1_46 + 10)))) [L88] signed long int stepLocal_0 = last_1_var_1_10; [L89] COND TRUE stepLocal_0 >= last_1_var_1_10 [L90] var_1_9 = (-256 + last_1_var_1_10) [L94] signed short int stepLocal_1 = var_1_9; [L95] COND FALSE !(stepLocal_1 > 0) [L98] COND FALSE !(\read(var_1_19)) [L101] COND TRUE ! (var_1_5 > (255.9 / var_1_13)) [L102] var_1_10 = var_1_12 [L105] COND FALSE !(((var_1_2 - var_1_3) * var_1_4) < var_1_5) [L108] var_1_1 = var_1_10 [L110] COND FALSE !((var_1_17 <= (- var_1_16)) && var_1_19) [L113] COND FALSE !(\read(var_1_19)) [L116] var_1_22 = (((((var_1_23 - var_1_9)) < (var_1_10)) ? ((var_1_23 - var_1_9)) : (var_1_10))) [L118] COND TRUE ! var_1_19 [L119] COND FALSE !(((var_1_15 - var_1_16) - var_1_17) <= var_1_13) [L122] var_1_14 = var_1_18 [L189] RET step() [L190] CALL, EXPR property() [L180-L181] return (((((((((var_1_2 - var_1_3) * var_1_4) < var_1_5) ? (var_1_1 == ((signed short int) ((((-8) < ((var_1_10 + ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10)))))) ? (-8) : ((var_1_10 + ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))))))) : (var_1_1 == ((signed short int) var_1_10))) && ((last_1_var_1_10 >= last_1_var_1_10) ? (var_1_9 == ((signed short int) (-256 + last_1_var_1_10))) : (var_1_9 == ((signed short int) (last_1_var_1_10 + last_1_var_1_10))))) && (var_1_19 ? (var_1_10 == ((unsigned char) ((((0) < (var_1_12)) ? (0) : (var_1_12))))) : ((! (var_1_5 > (255.9 / var_1_13))) ? (var_1_10 == ((unsigned char) var_1_12)) : 1))) && ((! var_1_19) ? ((((var_1_15 - var_1_16) - var_1_17) <= var_1_13) ? (var_1_14 == ((unsigned short int) var_1_18)) : (var_1_14 == ((unsigned short int) var_1_18))) : 1)) && (((var_1_17 <= (- var_1_16)) && var_1_19) ? (var_1_18 == ((signed short int) var_1_10)) : 1)) && ((var_1_9 > 0) ? (var_1_19 == ((unsigned char) ((var_1_5 >= (- var_1_15)) && (var_1_11 && (var_1_20 && var_1_21))))) : 1)) && (var_1_19 ? (var_1_22 == ((unsigned long int) (var_1_9 + var_1_10))) : (var_1_22 == ((unsigned long int) (((((var_1_23 - var_1_9)) < (var_1_10)) ? ((var_1_23 - var_1_9)) : (var_1_10)))))) ; [L190] RET, EXPR property() [L190] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=65408, var_1_16=79999999995/8, var_1_18=-128, var_1_19=0, var_1_1=200, var_1_20=1, var_1_21=0, var_1_22=200, var_1_23=2147483647, var_1_24=79999999995/8, var_1_32=128, var_1_34=1073741823, var_1_35=2147483646, var_1_36=2147483647, var_1_38=0, var_1_40=208, var_1_44=137, var_1_46=127, var_1_9=-56] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=200, var_1_14=65408, var_1_16=79999999995/8, var_1_18=-128, var_1_19=0, var_1_1=200, var_1_20=1, var_1_21=0, var_1_22=200, var_1_23=2147483647, var_1_24=79999999995/8, var_1_32=128, var_1_34=1073741823, var_1_35=2147483646, var_1_36=2147483647, var_1_38=0, var_1_40=208, var_1_44=137, var_1_46=127, var_1_9=-56] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 29, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 16:28:42,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7d166ae6b638088606bec3f58e23df2586db03d75893838c05e66dff30e4b76 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:28:44,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:28:44,508 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 16:28:44,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:28:44,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:28:44,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:28:44,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:28:44,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:28:44,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:28:44,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:28:44,540 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:28:44,540 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:28:44,541 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:28:44,541 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:28:44,542 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:28:44,542 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:28:44,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:28:44,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:28:44,544 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:28:44,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:28:44,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:28:44,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:28:44,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:28:44,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:28:44,547 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:28:44,547 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:28:44,548 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:28:44,548 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:28:44,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:28:44,549 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:28:44,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:28:44,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:28:44,551 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:28:44,551 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:28:44,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:28:44,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:28:44,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:28:44,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:28:44,552 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:28:44,552 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:28:44,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:28:44,553 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:28:44,553 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:28:44,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:28:44,553 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7d166ae6b638088606bec3f58e23df2586db03d75893838c05e66dff30e4b76 [2023-12-02 16:28:44,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:28:44,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:28:44,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:28:44,869 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:28:44,869 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:28:44,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-80.i [2023-12-02 16:28:47,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:28:47,839 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:28:47,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-80.i [2023-12-02 16:28:47,850 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/data/dd9023e83/df2c67006f0b4498a89d3d67966df92c/FLAG0207d8ce7 [2023-12-02 16:28:47,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/data/dd9023e83/df2c67006f0b4498a89d3d67966df92c [2023-12-02 16:28:47,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:28:47,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:28:47,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:28:47,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:28:47,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:28:47,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:28:47" (1/1) ... [2023-12-02 16:28:47,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f515b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:47, skipping insertion in model container [2023-12-02 16:28:47,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:28:47" (1/1) ... [2023-12-02 16:28:47,905 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:28:48,026 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_c239f3f5-4e31-498c-9a95-8c7c93813e70/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-80.i[919,932] [2023-12-02 16:28:48,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:28:48,103 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:28:48,113 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_c239f3f5-4e31-498c-9a95-8c7c93813e70/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-80.i[919,932] [2023-12-02 16:28:48,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:28:48,167 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:28:48,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:48 WrapperNode [2023-12-02 16:28:48,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:28:48,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:28:48,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:28:48,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:28:48,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:48" (1/1) ... [2023-12-02 16:28:48,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:48" (1/1) ... [2023-12-02 16:28:48,220 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 195 [2023-12-02 16:28:48,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:28:48,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:28:48,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:28:48,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:28:48,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:48" (1/1) ... [2023-12-02 16:28:48,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:48" (1/1) ... [2023-12-02 16:28:48,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:48" (1/1) ... [2023-12-02 16:28:48,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:48" (1/1) ... [2023-12-02 16:28:48,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:48" (1/1) ... [2023-12-02 16:28:48,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:48" (1/1) ... [2023-12-02 16:28:48,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:48" (1/1) ... [2023-12-02 16:28:48,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:48" (1/1) ... [2023-12-02 16:28:48,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:28:48,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:28:48,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:28:48,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:28:48,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:48" (1/1) ... [2023-12-02 16:28:48,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:28:48,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:28:48,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:28:48,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:28:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:28:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 16:28:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:28:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:28:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:28:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:28:48,432 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:28:48,434 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:29:07,664 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:29:07,708 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:29:07,708 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:29:07,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:29:07 BoogieIcfgContainer [2023-12-02 16:29:07,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:29:07,712 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:29:07,712 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:29:07,715 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:29:07,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:28:47" (1/3) ... [2023-12-02 16:29:07,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684adecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:29:07, skipping insertion in model container [2023-12-02 16:29:07,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:28:48" (2/3) ... [2023-12-02 16:29:07,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684adecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:29:07, skipping insertion in model container [2023-12-02 16:29:07,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:29:07" (3/3) ... [2023-12-02 16:29:07,718 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-80.i [2023-12-02 16:29:07,737 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:29:07,737 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:29:07,793 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:29:07,800 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@20d5c1e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:29:07,800 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:29:07,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 50 states have internal predecessors, (71), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 16:29:07,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-12-02 16:29:07,818 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:29:07,819 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:29:07,819 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:29:07,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:29:07,824 INFO L85 PathProgramCache]: Analyzing trace with hash 605451903, now seen corresponding path program 1 times [2023-12-02 16:29:07,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:29:07,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [973858375] [2023-12-02 16:29:07,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:29:07,840 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:29:07,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:29:07,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 16:29:07,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 16:29:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:29:09,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 16:29:09,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:29:09,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 740 proven. 0 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2023-12-02 16:29:09,508 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:29:09,508 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:29:09,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [973858375] [2023-12-02 16:29:09,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [973858375] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:29:09,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:29:09,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:29:09,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667945652] [2023-12-02 16:29:09,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:29:09,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:29:09,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:29:09,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:29:09,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:29:09,551 INFO L87 Difference]: Start difference. First operand has 81 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 50 states have internal predecessors, (71), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-02 16:29:12,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:29:12,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:29:12,461 INFO L93 Difference]: Finished difference Result 159 states and 285 transitions. [2023-12-02 16:29:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:29:12,707 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 184 [2023-12-02 16:29:12,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:29:12,715 INFO L225 Difference]: With dead ends: 159 [2023-12-02 16:29:12,715 INFO L226 Difference]: Without dead ends: 79 [2023-12-02 16:29:12,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:29:12,722 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:29:12,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 16:29:12,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-12-02 16:29:12,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-12-02 16:29:12,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 48 states have internal predecessors, (64), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 16:29:12,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 122 transitions. [2023-12-02 16:29:12,770 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 122 transitions. Word has length 184 [2023-12-02 16:29:12,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:29:12,770 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 122 transitions. [2023-12-02 16:29:12,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-02 16:29:12,771 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2023-12-02 16:29:12,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-12-02 16:29:12,775 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:29:12,776 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:29:12,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 16:29:12,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:29:12,977 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:29:12,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:29:12,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1488771961, now seen corresponding path program 1 times [2023-12-02 16:29:12,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:29:12,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97665958] [2023-12-02 16:29:12,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:29:12,979 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:29:12,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:29:12,980 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 16:29:12,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 16:29:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:29:14,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 16:29:14,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:29:16,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-02 16:29:16,683 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:29:16,684 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:29:16,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97665958] [2023-12-02 16:29:16,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [97665958] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:29:16,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:29:16,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:29:16,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32990663] [2023-12-02 16:29:16,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:29:16,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:29:16,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:29:16,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:29:16,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:29:16,690 INFO L87 Difference]: Start difference. First operand 79 states and 122 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 16:29:19,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:29:21,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:29:23,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:29:24,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:29:24,075 INFO L93 Difference]: Finished difference Result 233 states and 360 transitions. [2023-12-02 16:29:24,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:29:24,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 184 [2023-12-02 16:29:24,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:29:24,080 INFO L225 Difference]: With dead ends: 233 [2023-12-02 16:29:24,080 INFO L226 Difference]: Without dead ends: 155 [2023-12-02 16:29:24,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:29:24,084 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 29 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:29:24,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 228 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 3 Unknown, 0 Unchecked, 7.3s Time] [2023-12-02 16:29:24,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-12-02 16:29:24,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 153. [2023-12-02 16:29:24,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 92 states have (on average 1.2717391304347827) internal successors, (117), 92 states have internal predecessors, (117), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-02 16:29:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 233 transitions. [2023-12-02 16:29:24,119 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 233 transitions. Word has length 184 [2023-12-02 16:29:24,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:29:24,121 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 233 transitions. [2023-12-02 16:29:24,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 16:29:24,121 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 233 transitions. [2023-12-02 16:29:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-12-02 16:29:24,126 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:29:24,126 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:29:24,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 16:29:24,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:29:24,328 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:29:24,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:29:24,329 INFO L85 PathProgramCache]: Analyzing trace with hash 467703607, now seen corresponding path program 1 times [2023-12-02 16:29:24,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:29:24,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889641886] [2023-12-02 16:29:24,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:29:24,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:29:24,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:29:24,331 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 16:29:24,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 16:29:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:29:25,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 16:29:25,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:29:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 541 proven. 24 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-12-02 16:29:27,174 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:29:27,440 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:29:27,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889641886] [2023-12-02 16:29:27,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889641886] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:29:27,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [561385821] [2023-12-02 16:29:27,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:29:27,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:29:27,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:29:27,443 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:29:27,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 16:29:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:29:29,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 16:29:29,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:29:30,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-02 16:29:30,196 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:29:30,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [561385821] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:29:30,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 16:29:30,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2023-12-02 16:29:30,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797656670] [2023-12-02 16:29:30,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:29:30,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:29:30,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:29:30,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:29:30,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-12-02 16:29:30,200 INFO L87 Difference]: Start difference. First operand 153 states and 233 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 16:29:33,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:29:35,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:29:37,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:29:39,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:29:41,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:29:41,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:29:41,790 INFO L93 Difference]: Finished difference Result 457 states and 697 transitions. [2023-12-02 16:29:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:29:41,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 184 [2023-12-02 16:29:41,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:29:41,797 INFO L225 Difference]: With dead ends: 457 [2023-12-02 16:29:41,798 INFO L226 Difference]: Without dead ends: 305 [2023-12-02 16:29:41,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-12-02 16:29:41,801 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 133 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:29:41,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 362 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 5 Unknown, 0 Unchecked, 11.4s Time] [2023-12-02 16:29:41,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2023-12-02 16:29:41,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 157. [2023-12-02 16:29:41,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 96 states have (on average 1.2604166666666667) internal successors, (121), 96 states have internal predecessors, (121), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-02 16:29:41,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 237 transitions. [2023-12-02 16:29:41,850 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 237 transitions. Word has length 184 [2023-12-02 16:29:41,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:29:41,851 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 237 transitions. [2023-12-02 16:29:41,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 16:29:41,852 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 237 transitions. [2023-12-02 16:29:41,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-12-02 16:29:41,856 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:29:41,856 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:29:41,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-02 16:29:42,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 16:29:42,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:29:42,265 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:29:42,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:29:42,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1168768185, now seen corresponding path program 1 times [2023-12-02 16:29:42,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:29:42,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263743764] [2023-12-02 16:29:42,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:29:42,266 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:29:42,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:29:42,267 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 16:29:42,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 16:29:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:29:43,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 16:29:43,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:29:44,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 541 proven. 24 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-12-02 16:29:44,957 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:29:45,167 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:29:45,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263743764] [2023-12-02 16:29:45,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1263743764] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:29:45,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [307314918] [2023-12-02 16:29:45,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:29:45,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:29:45,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:29:45,169 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:29:45,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 16:29:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:29:47,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:29:47,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:29:50,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-02 16:29:50,095 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:29:50,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [307314918] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:29:50,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 16:29:50,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2023-12-02 16:29:50,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961387494] [2023-12-02 16:29:50,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:29:50,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:29:50,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:29:50,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:29:50,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-02 16:29:50,098 INFO L87 Difference]: Start difference. First operand 157 states and 237 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 16:29:53,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:29:56,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:29:58,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:00,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:02,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:05,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:07,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:09,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:11,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:13,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:16,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:18,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:21,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:24,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:26,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:28,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:30,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:30,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:30:30,385 INFO L93 Difference]: Finished difference Result 402 states and 601 transitions. [2023-12-02 16:30:30,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:30:30,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 184 [2023-12-02 16:30:30,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:30:30,390 INFO L225 Difference]: With dead ends: 402 [2023-12-02 16:30:30,390 INFO L226 Difference]: Without dead ends: 246 [2023-12-02 16:30:30,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-12-02 16:30:30,392 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 94 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 59 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:30:30,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 374 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 97 Invalid, 17 Unknown, 0 Unchecked, 40.1s Time] [2023-12-02 16:30:30,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2023-12-02 16:30:30,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 233. [2023-12-02 16:30:30,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 142 states have (on average 1.2394366197183098) internal successors, (176), 142 states have internal predecessors, (176), 87 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2023-12-02 16:30:30,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 350 transitions. [2023-12-02 16:30:30,421 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 350 transitions. Word has length 184 [2023-12-02 16:30:30,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:30:30,422 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 350 transitions. [2023-12-02 16:30:30,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 16:30:30,422 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 350 transitions. [2023-12-02 16:30:30,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-02 16:30:30,424 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:30:30,424 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:30:30,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 16:30:30,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 16:30:30,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:30:30,825 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:30:30,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:30:30,826 INFO L85 PathProgramCache]: Analyzing trace with hash -505564068, now seen corresponding path program 1 times [2023-12-02 16:30:30,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:30:30,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491402442] [2023-12-02 16:30:30,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:30:30,826 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:30:30,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:30:30,827 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 16:30:30,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 16:30:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:30:32,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 16:30:32,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:30:33,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 541 proven. 24 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-12-02 16:30:33,478 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:30:33,706 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:30:33,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491402442] [2023-12-02 16:30:33,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491402442] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:30:33,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [699449517] [2023-12-02 16:30:33,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:30:33,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:30:33,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:30:33,708 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:30:33,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 16:30:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:30:36,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 16:30:36,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:30:37,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 534 proven. 15 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2023-12-02 16:30:37,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:30:37,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [699449517] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:30:37,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124641155] [2023-12-02 16:30:37,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:30:37,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:30:37,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:30:37,121 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:30:37,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 16:30:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:30:38,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:30:38,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:30:39,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 534 proven. 15 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2023-12-02 16:30:39,326 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:30:39,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124641155] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:30:39,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 16:30:39,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 8 [2023-12-02 16:30:39,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696155583] [2023-12-02 16:30:39,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 16:30:39,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 16:30:39,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:30:39,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 16:30:39,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-12-02 16:30:39,413 INFO L87 Difference]: Start difference. First operand 233 states and 350 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-12-02 16:30:44,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:46,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:48,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:50,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:52,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:30:52,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:30:52,814 INFO L93 Difference]: Finished difference Result 495 states and 723 transitions. [2023-12-02 16:30:52,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 16:30:52,815 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 186 [2023-12-02 16:30:52,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:30:52,818 INFO L225 Difference]: With dead ends: 495 [2023-12-02 16:30:52,818 INFO L226 Difference]: Without dead ends: 263 [2023-12-02 16:30:52,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2023-12-02 16:30:52,820 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 84 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:30:52,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 249 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 233 Invalid, 5 Unknown, 0 Unchecked, 13.0s Time] [2023-12-02 16:30:52,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2023-12-02 16:30:52,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 257. [2023-12-02 16:30:52,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 160 states have (on average 1.19375) internal successors, (191), 160 states have internal predecessors, (191), 87 states have call successors, (87), 9 states have call predecessors, (87), 9 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2023-12-02 16:30:52,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 365 transitions. [2023-12-02 16:30:52,857 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 365 transitions. Word has length 186 [2023-12-02 16:30:52,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:30:52,858 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 365 transitions. [2023-12-02 16:30:52,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-12-02 16:30:52,858 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 365 transitions. [2023-12-02 16:30:52,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-12-02 16:30:52,860 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:30:52,861 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:30:52,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 16:30:53,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 16:30:53,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-02 16:30:53,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:30:53,462 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:30:53,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:30:53,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1533466076, now seen corresponding path program 1 times [2023-12-02 16:30:53,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:30:53,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1915837069] [2023-12-02 16:30:53,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:30:53,463 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:30:53,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:30:53,464 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 16:30:53,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c239f3f5-4e31-498c-9a95-8c7c93813e70/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-02 16:30:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:30:54,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 16:30:54,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:31:26,028 WARN L854 $PredicateComparison]: unable to prove that (and (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (= c_~var_1_19~0 (_ bv0 8)) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32))))) is different from false [2023-12-02 16:31:28,072 WARN L876 $PredicateComparison]: unable to prove that (and (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (= c_~var_1_19~0 (_ bv0 8)) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32))))) is different from true [2023-12-02 16:32:36,622 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvadd (bvneg ((_ sign_extend 16) c_~var_1_9~0)) c_~var_1_23~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvult .cse0 .cse2))) (or (and (= c_~var_1_22~0 .cse0) .cse1) (and (= c_~var_1_22~0 .cse2) (not .cse1))))) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (= c_~var_1_19~0 (_ bv0 8)) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32))))) is different from false [2023-12-02 16:32:38,669 WARN L876 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvadd (bvneg ((_ sign_extend 16) c_~var_1_9~0)) c_~var_1_23~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvult .cse0 .cse2))) (or (and (= c_~var_1_22~0 .cse0) .cse1) (and (= c_~var_1_22~0 .cse2) (not .cse1))))) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (= c_~var_1_19~0 (_ bv0 8)) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32))))) is different from true [2023-12-02 16:34:06,324 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvadd (bvneg ((_ sign_extend 16) c_~var_1_9~0)) c_~var_1_23~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvult .cse0 .cse2))) (or (and (= c_~var_1_22~0 .cse0) .cse1) (and (= c_~var_1_22~0 .cse2) (not .cse1))))) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (= c_~var_1_19~0 (_ bv0 8)) (= c_~var_1_18~0 c_~var_1_14~0) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32))))) is different from false [2023-12-02 16:34:08,370 WARN L876 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvadd (bvneg ((_ sign_extend 16) c_~var_1_9~0)) c_~var_1_23~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvult .cse0 .cse2))) (or (and (= c_~var_1_22~0 .cse0) .cse1) (and (= c_~var_1_22~0 .cse2) (not .cse1))))) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (= c_~var_1_19~0 (_ bv0 8)) (= c_~var_1_18~0 c_~var_1_14~0) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32))))) is different from true