./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/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_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/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_db4de08a-96a7-464e-9d6f-04048390a362/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 b8abcfa9b39036eb01256203f3de7401776f2c2310778484ae79c5f99d587f30 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:40:06,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:40:06,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:40:06,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:40:06,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:40:06,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:40:06,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:40:06,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:40:06,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:40:06,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:40:06,608 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:40:06,608 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:40:06,609 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:40:06,609 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:40:06,610 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:40:06,610 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:40:06,611 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:40:06,611 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:40:06,612 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:40:06,612 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:40:06,612 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:40:06,613 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:40:06,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:40:06,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:40:06,615 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:40:06,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:40:06,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:40:06,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:40:06,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:40:06,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:40:06,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:40:06,617 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:40:06,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:40:06,618 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:40:06,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:40:06,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:40:06,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:40:06,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:40:06,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:40:06,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:40:06,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:40:06,620 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:40:06,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:40:06,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:40:06,620 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:40:06,620 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:40:06,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:40:06,621 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_db4de08a-96a7-464e-9d6f-04048390a362/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8abcfa9b39036eb01256203f3de7401776f2c2310778484ae79c5f99d587f30 [2023-12-02 14:40:06,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:40:06,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:40:06,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:40:06,882 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:40:06,883 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:40:06,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i [2023-12-02 14:40:09,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:40:09,841 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:40:09,841 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i [2023-12-02 14:40:09,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/data/78a56d539/04e3388af5954e85a898998b8ac21303/FLAGf2c3045d2 [2023-12-02 14:40:09,864 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/data/78a56d539/04e3388af5954e85a898998b8ac21303 [2023-12-02 14:40:09,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:40:09,867 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:40:09,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:40:09,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:40:09,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:40:09,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:40:09" (1/1) ... [2023-12-02 14:40:09,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50cd3ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:09, skipping insertion in model container [2023-12-02 14:40:09,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:40:09" (1/1) ... [2023-12-02 14:40:09,909 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:40:10,049 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_db4de08a-96a7-464e-9d6f-04048390a362/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i[913,926] [2023-12-02 14:40:10,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:40:10,111 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:40:10,121 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_db4de08a-96a7-464e-9d6f-04048390a362/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i[913,926] [2023-12-02 14:40:10,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:40:10,166 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:40:10,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:10 WrapperNode [2023-12-02 14:40:10,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:40:10,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:40:10,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:40:10,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:40:10,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:10" (1/1) ... [2023-12-02 14:40:10,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:10" (1/1) ... [2023-12-02 14:40:10,217 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-12-02 14:40:10,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:40:10,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:40:10,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:40:10,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:40:10,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:10" (1/1) ... [2023-12-02 14:40:10,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:10" (1/1) ... [2023-12-02 14:40:10,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:10" (1/1) ... [2023-12-02 14:40:10,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:10" (1/1) ... [2023-12-02 14:40:10,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:10" (1/1) ... [2023-12-02 14:40:10,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:10" (1/1) ... [2023-12-02 14:40:10,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:10" (1/1) ... [2023-12-02 14:40:10,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:10" (1/1) ... [2023-12-02 14:40:10,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:40:10,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:40:10,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:40:10,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:40:10,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:10" (1/1) ... [2023-12-02 14:40:10,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:40:10,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:40:10,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:40:10,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:40:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:40:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:40:10,335 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:40:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:40:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:40:10,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:40:10,415 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:40:10,417 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:40:10,703 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:40:10,908 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:40:10,908 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:40:10,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:40:10 BoogieIcfgContainer [2023-12-02 14:40:10,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:40:10,913 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:40:10,913 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:40:10,916 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:40:10,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:40:09" (1/3) ... [2023-12-02 14:40:10,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12676f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:40:10, skipping insertion in model container [2023-12-02 14:40:10,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:10" (2/3) ... [2023-12-02 14:40:10,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12676f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:40:10, skipping insertion in model container [2023-12-02 14:40:10,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:40:10" (3/3) ... [2023-12-02 14:40:10,919 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-62.i [2023-12-02 14:40:10,937 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:40:10,938 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:40:10,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:40:10,988 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;@5fad7765, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:40:10,988 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:40:10,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 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 14:40:11,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-02 14:40:11,004 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:40:11,005 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] [2023-12-02 14:40:11,005 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:40:11,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:40:11,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1600783724, now seen corresponding path program 1 times [2023-12-02 14:40:11,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:40:11,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464426966] [2023-12-02 14:40:11,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:40:11,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:40:11,215 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:40:11,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2073561124] [2023-12-02 14:40:11,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:40:11,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:40:11,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:40:11,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:40:11,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:40:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:40:11,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:40:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:40:11,600 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 14:40:11,603 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:40:11,604 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:40:11,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:40:11,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 14:40:11,811 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 14:40:11,813 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:40:11,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:40:11 BoogieIcfgContainer [2023-12-02 14:40:11,901 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:40:11,902 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:40:11,902 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:40:11,902 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:40:11,903 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:40:10" (3/4) ... [2023-12-02 14:40:11,905 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:40:11,906 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:40:11,907 INFO L158 Benchmark]: Toolchain (without parser) took 2039.96ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 91.9MB in the end (delta: 36.9MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2023-12-02 14:40:11,908 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory was 85.9MB in the beginning and 85.8MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:40:11,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.35ms. Allocated memory is still 161.5MB. Free memory was 128.1MB in the beginning and 114.8MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 14:40:11,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.63ms. Allocated memory is still 161.5MB. Free memory was 114.8MB in the beginning and 112.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:40:11,910 INFO L158 Benchmark]: Boogie Preprocessor took 35.91ms. Allocated memory is still 161.5MB. Free memory was 112.1MB in the beginning and 110.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:40:11,910 INFO L158 Benchmark]: RCFGBuilder took 654.74ms. Allocated memory is still 161.5MB. Free memory was 110.7MB in the beginning and 66.0MB in the end (delta: 44.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-02 14:40:11,911 INFO L158 Benchmark]: TraceAbstraction took 988.68ms. Allocated memory is still 161.5MB. Free memory was 65.3MB in the beginning and 91.9MB in the end (delta: -26.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:40:11,911 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 161.5MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:40:11,914 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory was 85.9MB in the beginning and 85.8MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.35ms. Allocated memory is still 161.5MB. Free memory was 128.1MB in the beginning and 114.8MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.63ms. Allocated memory is still 161.5MB. Free memory was 114.8MB in the beginning and 112.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.91ms. Allocated memory is still 161.5MB. Free memory was 112.1MB in the beginning and 110.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 654.74ms. Allocated memory is still 161.5MB. Free memory was 110.7MB in the beginning and 66.0MB in the end (delta: 44.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 988.68ms. Allocated memory is still 161.5MB. Free memory was 65.3MB in the beginning and 91.9MB in the end (delta: -26.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 161.5MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 132, overapproximation of bitwiseOr at line 77, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.25; [L23] signed long int var_1_2 = 1; [L24] signed long int var_1_3 = -25; [L25] signed long int var_1_4 = -128; [L26] signed long int var_1_5 = 8; [L27] double var_1_6 = 2.75; [L28] double var_1_7 = 24.5; [L29] double var_1_8 = 199.5; [L30] float var_1_9 = 32.8; [L31] unsigned char var_1_10 = 1; [L32] float var_1_11 = 15.4; [L33] float var_1_12 = 0.0; [L34] unsigned long int var_1_13 = 2; [L35] unsigned long int var_1_14 = 8; [L36] unsigned long int var_1_15 = 1; [L37] float var_1_16 = 127.6; [L38] signed long int var_1_17 = 128; [L39] signed long int var_1_18 = 5; [L40] unsigned char var_1_19 = 10; [L41] unsigned char var_1_20 = 0; [L42] unsigned char var_1_21 = 64; [L43] double var_1_22 = 15.95; [L44] unsigned long int var_1_23 = 4127848294; [L136] isInitial = 1 [L137] FCALL initially() [L138] COND TRUE 1 [L139] FCALL updateLastVariables() [L140] CALL updateVariables() [L83] var_1_2 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=-25, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=-25, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L85] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=-25, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=-25, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L86] var_1_3 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L88] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L89] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L90] var_1_4 = __VERIFIER_nondet_long() [L91] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L92] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L93] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L94] var_1_5 = __VERIFIER_nondet_long() [L95] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L96] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L97] var_1_6 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L99] var_1_7 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_8=399/2, var_1_9=164/5] [L101] var_1_8 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L103] var_1_10 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L105] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L106] var_1_11 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L108] var_1_12 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L110] var_1_14 = __VERIFIER_nondet_ulong() [L111] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L112] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L113] var_1_15 = __VERIFIER_nondet_ulong() [L114] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L115] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L116] var_1_18 = __VERIFIER_nondet_long() [L117] CALL assume_abort_if_not(var_1_18 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_18 >= -2147483647) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L118] CALL assume_abort_if_not(var_1_18 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_18 <= 2147483646) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L119] var_1_20 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L121] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L122] var_1_21 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L124] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L125] var_1_23 = __VERIFIER_nondet_ulong() [L126] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L127] CALL assume_abort_if_not(var_1_23 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_23 <= 4294967295) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=2147483647, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L140] RET updateVariables() [L141] CALL step() [L48] COND TRUE var_1_2 > ((var_1_3 % var_1_4) * var_1_5) [L49] var_1_1 = (var_1_6 - (var_1_7 + var_1_8)) [L53] COND TRUE var_1_10 || (var_1_2 == var_1_5) [L54] var_1_9 = ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)) [L58] COND FALSE !(! var_1_10) [L61] var_1_13 = (var_1_14 + var_1_15) [L63] COND FALSE !(var_1_12 <= (var_1_7 * 5.8f)) [L66] var_1_16 = var_1_6 [L68] COND TRUE var_1_8 < (var_1_1 / var_1_12) [L69] COND FALSE !(var_1_1 > var_1_6) [L73] COND TRUE var_1_10 || var_1_20 [L74] var_1_19 = ((((var_1_21) > (32)) ? (var_1_21) : (32))) [L76] COND TRUE \read(var_1_10) [L77] EXPR var_1_18 | var_1_14 [L77] COND TRUE (var_1_18 | var_1_14) != (var_1_23 - var_1_15) [L78] var_1_22 = 4.75 [L141] RET step() [L142] CALL, EXPR property() [L132] EXPR (((((((var_1_2 > ((var_1_3 % var_1_4) * var_1_5)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_2 == var_1_5)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_14))) : (var_1_13 == ((unsigned long int) (var_1_14 + var_1_15))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_1 / var_1_12)) ? ((var_1_1 > var_1_6) ? (var_1_17 == ((signed long int) var_1_18)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_18 | var_1_14) != (var_1_23 - var_1_15)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) [L132-L133] return (((((((var_1_2 > ((var_1_3 % var_1_4) * var_1_5)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_2 == var_1_5)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_14))) : (var_1_13 == ((unsigned long int) (var_1_14 + var_1_15))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_1 / var_1_12)) ? ((var_1_1 > var_1_6) ? (var_1_17 == ((signed long int) var_1_18)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_18 | var_1_14) != (var_1_23 - var_1_15)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) ; [L142] RET, EXPR property() [L142] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=2147483648, var_1_14=2147483647, var_1_15=1, var_1_16=2, var_1_17=128, var_1_18=0, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=19/4, var_1_23=2147483647, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_6=2, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=2147483648, var_1_14=2147483647, var_1_15=1, var_1_16=2, var_1_17=128, var_1_18=0, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=19/4, var_1_23=2147483647, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_6=2, var_1_7=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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=54occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 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 14:40:11,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/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_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/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_db4de08a-96a7-464e-9d6f-04048390a362/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 b8abcfa9b39036eb01256203f3de7401776f2c2310778484ae79c5f99d587f30 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:40:13,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:40:13,950 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 14:40:13,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:40:13,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:40:13,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:40:13,984 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:40:13,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:40:13,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:40:13,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:40:13,986 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:40:13,986 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:40:13,987 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:40:13,987 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:40:13,988 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:40:13,988 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:40:13,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:40:13,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:40:13,990 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:40:13,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:40:13,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:40:13,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:40:13,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:40:13,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:40:13,993 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:40:13,993 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:40:13,993 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:40:13,994 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:40:13,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:40:13,995 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:40:13,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:40:13,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:40:13,996 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:40:13,996 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:40:13,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:40:13,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:40:13,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:40:13,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:40:13,998 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:40:13,998 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:40:13,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:40:13,999 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:40:13,999 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:40:13,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:40:13,999 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_db4de08a-96a7-464e-9d6f-04048390a362/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8abcfa9b39036eb01256203f3de7401776f2c2310778484ae79c5f99d587f30 [2023-12-02 14:40:14,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:40:14,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:40:14,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:40:14,352 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:40:14,353 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:40:14,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i [2023-12-02 14:40:17,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:40:17,299 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:40:17,300 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i [2023-12-02 14:40:17,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/data/fc227fe47/65f18dba5d7d40b58daae56fdbffae35/FLAG9dcfb8d5f [2023-12-02 14:40:17,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/data/fc227fe47/65f18dba5d7d40b58daae56fdbffae35 [2023-12-02 14:40:17,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:40:17,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:40:17,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:40:17,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:40:17,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:40:17,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:40:17" (1/1) ... [2023-12-02 14:40:17,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4441f178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:17, skipping insertion in model container [2023-12-02 14:40:17,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:40:17" (1/1) ... [2023-12-02 14:40:17,363 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:40:17,513 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_db4de08a-96a7-464e-9d6f-04048390a362/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i[913,926] [2023-12-02 14:40:17,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:40:17,581 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:40:17,593 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_db4de08a-96a7-464e-9d6f-04048390a362/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i[913,926] [2023-12-02 14:40:17,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:40:17,640 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:40:17,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:17 WrapperNode [2023-12-02 14:40:17,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:40:17,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:40:17,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:40:17,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:40:17,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:17" (1/1) ... [2023-12-02 14:40:17,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:17" (1/1) ... [2023-12-02 14:40:17,691 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2023-12-02 14:40:17,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:40:17,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:40:17,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:40:17,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:40:17,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:17" (1/1) ... [2023-12-02 14:40:17,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:17" (1/1) ... [2023-12-02 14:40:17,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:17" (1/1) ... [2023-12-02 14:40:17,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:17" (1/1) ... [2023-12-02 14:40:17,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:17" (1/1) ... [2023-12-02 14:40:17,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:17" (1/1) ... [2023-12-02 14:40:17,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:17" (1/1) ... [2023-12-02 14:40:17,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:17" (1/1) ... [2023-12-02 14:40:17,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:40:17,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:40:17,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:40:17,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:40:17,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:17" (1/1) ... [2023-12-02 14:40:17,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:40:17,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:40:17,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:40:17,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:40:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:40:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 14:40:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:40:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:40:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:40:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:40:17,917 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:40:17,919 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:40:34,828 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:40:34,875 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:40:34,875 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:40:34,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:40:34 BoogieIcfgContainer [2023-12-02 14:40:34,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:40:34,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:40:34,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:40:34,881 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:40:34,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:40:17" (1/3) ... [2023-12-02 14:40:34,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7713e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:40:34, skipping insertion in model container [2023-12-02 14:40:34,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:40:17" (2/3) ... [2023-12-02 14:40:34,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7713e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:40:34, skipping insertion in model container [2023-12-02 14:40:34,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:40:34" (3/3) ... [2023-12-02 14:40:34,885 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-62.i [2023-12-02 14:40:34,899 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:40:34,900 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:40:34,944 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:40:34,950 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;@d4ad6b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:40:34,950 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:40:34,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 35 states have (on average 1.4) internal successors, (49), 36 states have internal predecessors, (49), 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 14:40:34,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-02 14:40:34,969 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:40:34,970 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] [2023-12-02 14:40:34,971 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:40:34,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:40:34,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1291031870, now seen corresponding path program 1 times [2023-12-02 14:40:34,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:40:34,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71587572] [2023-12-02 14:40:34,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:40:34,991 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 14:40:34,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:40:34,993 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/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 14:40:34,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/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 14:40:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:40:36,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 14:40:36,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:40:36,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 824 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-12-02 14:40:36,722 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:40:36,723 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:40:36,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71587572] [2023-12-02 14:40:36,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71587572] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:40:36,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:40:36,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:40:36,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350855436] [2023-12-02 14:40:36,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:40:36,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 14:40:36,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:40:36,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 14:40:36,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:40:36,764 INFO L87 Difference]: Start difference. First operand has 67 states, 35 states have (on average 1.4) internal successors, (49), 36 states have internal predecessors, (49), 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 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 14:40:40,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:40:40,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:40:40,038 INFO L93 Difference]: Finished difference Result 131 states and 241 transitions. [2023-12-02 14:40:40,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 14:40:40,393 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 173 [2023-12-02 14:40:40,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:40:40,403 INFO L225 Difference]: With dead ends: 131 [2023-12-02 14:40:40,403 INFO L226 Difference]: Without dead ends: 65 [2023-12-02 14:40:40,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 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 14:40:40,412 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:40:40,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2023-12-02 14:40:40,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-12-02 14:40:40,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-12-02 14:40:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 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 14:40:40,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 102 transitions. [2023-12-02 14:40:40,458 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 102 transitions. Word has length 173 [2023-12-02 14:40:40,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:40:40,459 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 102 transitions. [2023-12-02 14:40:40,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 14:40:40,459 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2023-12-02 14:40:40,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-02 14:40:40,464 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:40:40,464 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] [2023-12-02 14:40:40,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/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 14:40:40,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/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 14:40:40,665 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:40:40,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:40:40,666 INFO L85 PathProgramCache]: Analyzing trace with hash 674804732, now seen corresponding path program 1 times [2023-12-02 14:40:40,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:40:40,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686220705] [2023-12-02 14:40:40,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:40:40,667 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 14:40:40,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:40:40,668 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/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 14:40:40,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/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 14:40:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:40:44,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 14:40:44,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:42:06,725 WARN L293 SmtUtils]: Spent 14.20s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:43:35,027 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (or (not (= c_~var_1_10~0 (_ bv0 8))) (= c_~var_1_5~0 c_~var_1_2~0)) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (let ((.cse4 (fp.gt c_~var_1_8~0 c_~var_1_7~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 161.0 10.0)) c_~var_1_11~0)))) (or (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_8~0) .cse3)) c_~var_1_9~0) .cse4) (and (not .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_7~0) .cse3)) c_~var_1_9~0)))) (fp.geq c_~var_1_7~0 .cse0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse5) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse6) (fp.geq c_~var_1_11~0 .cse7)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse6)) (fp.leq c_~var_1_11~0 (fp.neg .cse7))))) (fp.geq c_~var_1_12~0 .cse7) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse5)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 14:43:37,090 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (or (not (= c_~var_1_10~0 (_ bv0 8))) (= c_~var_1_5~0 c_~var_1_2~0)) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (let ((.cse4 (fp.gt c_~var_1_8~0 c_~var_1_7~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 161.0 10.0)) c_~var_1_11~0)))) (or (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_8~0) .cse3)) c_~var_1_9~0) .cse4) (and (not .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_7~0) .cse3)) c_~var_1_9~0)))) (fp.geq c_~var_1_7~0 .cse0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse5) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse6) (fp.geq c_~var_1_11~0 .cse7)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse6)) (fp.leq c_~var_1_11~0 (fp.neg .cse7))))) (fp.geq c_~var_1_12~0 .cse7) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse5)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 14:45:10,171 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (let ((.cse4 (fp.gt c_~var_1_8~0 c_~var_1_7~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 161.0 10.0)) c_~var_1_11~0)))) (or (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_8~0) .cse3)) c_~var_1_9~0) .cse4) (and (not .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_7~0) .cse3)) c_~var_1_9~0)))) (fp.geq c_~var_1_7~0 .cse0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse5) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse6) (fp.geq c_~var_1_11~0 .cse7)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse6)) (fp.leq c_~var_1_11~0 (fp.neg .cse7))))) (fp.geq c_~var_1_12~0 .cse7) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse5)) (= (bvadd c_~var_1_14~0 (_ bv50 32)) c_~var_1_13~0) (= c_~var_1_5~0 c_~var_1_2~0) (= c_~var_1_10~0 (_ bv0 8)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 14:45:12,237 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (let ((.cse4 (fp.gt c_~var_1_8~0 c_~var_1_7~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 161.0 10.0)) c_~var_1_11~0)))) (or (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_8~0) .cse3)) c_~var_1_9~0) .cse4) (and (not .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_7~0) .cse3)) c_~var_1_9~0)))) (fp.geq c_~var_1_7~0 .cse0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse5) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse6) (fp.geq c_~var_1_11~0 .cse7)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse6)) (fp.leq c_~var_1_11~0 (fp.neg .cse7))))) (fp.geq c_~var_1_12~0 .cse7) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse5)) (= (bvadd c_~var_1_14~0 (_ bv50 32)) c_~var_1_13~0) (= c_~var_1_5~0 c_~var_1_2~0) (= c_~var_1_10~0 (_ bv0 8)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 14:47:37,998 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse12 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse12)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (let ((.cse4 (fp.gt c_~var_1_8~0 c_~var_1_7~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 161.0 10.0)) c_~var_1_11~0)))) (or (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_8~0) .cse3)) c_~var_1_9~0) .cse4) (and (not .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_7~0) .cse3)) c_~var_1_9~0)))) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse5 (fp.gt .cse9 c_~var_1_7~0))) (or (and (not .cse5) (let ((.cse7 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse6 (not .cse7)) (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse8 (fp.lt .cse9 c_~var_1_8~0))) (or (and .cse8 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse9))) (and .cse6 (not .cse8)))) .cse5))) (fp.leq .cse9 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse10) (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse11) (fp.geq c_~var_1_11~0 .cse12)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse11)) (fp.leq c_~var_1_11~0 (fp.neg .cse12))))) (fp.geq c_~var_1_12~0 .cse12) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (= (bvadd c_~var_1_14~0 (_ bv50 32)) c_~var_1_13~0) (= c_~var_1_5~0 c_~var_1_2~0) (= c_~var_1_10~0 (_ bv0 8)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 14:47:40,092 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse12 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse12)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (let ((.cse4 (fp.gt c_~var_1_8~0 c_~var_1_7~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 161.0 10.0)) c_~var_1_11~0)))) (or (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_8~0) .cse3)) c_~var_1_9~0) .cse4) (and (not .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_7~0) .cse3)) c_~var_1_9~0)))) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse5 (fp.gt .cse9 c_~var_1_7~0))) (or (and (not .cse5) (let ((.cse7 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse6 (not .cse7)) (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse8 (fp.lt .cse9 c_~var_1_8~0))) (or (and .cse8 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse9))) (and .cse6 (not .cse8)))) .cse5))) (fp.leq .cse9 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse10) (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse11) (fp.geq c_~var_1_11~0 .cse12)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse11)) (fp.leq c_~var_1_11~0 (fp.neg .cse12))))) (fp.geq c_~var_1_12~0 .cse12) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (= (bvadd c_~var_1_14~0 (_ bv50 32)) c_~var_1_13~0) (= c_~var_1_5~0 c_~var_1_2~0) (= c_~var_1_10~0 (_ bv0 8)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 14:47:45,980 WARN L293 SmtUtils]: Spent 5.85s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:47:51,617 WARN L293 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:47:57,294 WARN L293 SmtUtils]: Spent 5.68s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:48:02,798 WARN L293 SmtUtils]: Spent 5.50s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:48:09,201 WARN L293 SmtUtils]: Spent 6.40s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:48:14,675 WARN L293 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:48:20,468 WARN L293 SmtUtils]: Spent 5.79s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:48:26,325 WARN L293 SmtUtils]: Spent 5.86s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:48:32,018 WARN L293 SmtUtils]: Spent 5.69s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:48:37,836 WARN L293 SmtUtils]: Spent 5.82s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:48:42,869 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:48:48,621 WARN L293 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:48:54,512 WARN L293 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:49:00,621 WARN L293 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:49:06,338 WARN L293 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:49:12,050 WARN L293 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:49:17,796 WARN L293 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:49:23,477 WARN L293 SmtUtils]: Spent 5.68s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:49:29,279 WARN L293 SmtUtils]: Spent 5.80s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:49:34,985 WARN L293 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:49:40,560 WARN L293 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:49:46,309 WARN L293 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:49:52,160 WARN L293 SmtUtils]: Spent 5.85s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:49:57,952 WARN L293 SmtUtils]: Spent 5.79s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:50:03,977 WARN L293 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:50:09,787 WARN L293 SmtUtils]: Spent 5.81s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:50:15,421 WARN L293 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:50:21,221 WARN L293 SmtUtils]: Spent 5.80s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:50:26,971 WARN L293 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:50:32,750 WARN L293 SmtUtils]: Spent 5.78s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:50:38,499 WARN L293 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:50:44,294 WARN L293 SmtUtils]: Spent 5.79s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:50:49,935 WARN L293 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:50:52,268 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse12 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse12)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (let ((.cse4 (fp.gt c_~var_1_8~0 c_~var_1_7~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 161.0 10.0)) c_~var_1_11~0)))) (or (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_8~0) .cse3)) c_~var_1_9~0) .cse4) (and (not .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_7~0) .cse3)) c_~var_1_9~0)))) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse5 (fp.gt .cse9 c_~var_1_7~0))) (or (and (not .cse5) (let ((.cse7 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse6 (not .cse7)) (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse8 (fp.lt .cse9 c_~var_1_8~0))) (or (and .cse8 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse9))) (and .cse6 (not .cse8)))) .cse5))) (fp.leq .cse9 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (not (fp.lt c_~var_1_8~0 (fp.div c_currentRoundingMode c_~var_1_1~0 .cse9))) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse10) (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse11) (fp.geq c_~var_1_11~0 .cse12)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse11)) (fp.leq c_~var_1_11~0 (fp.neg .cse12))))) (fp.geq c_~var_1_12~0 .cse12) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (= (bvadd c_~var_1_14~0 (_ bv50 32)) c_~var_1_13~0) (= c_~var_1_5~0 c_~var_1_2~0) (= c_~var_1_10~0 (_ bv0 8)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 14:50:54,600 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse12 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse12)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (let ((.cse4 (fp.gt c_~var_1_8~0 c_~var_1_7~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 161.0 10.0)) c_~var_1_11~0)))) (or (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_8~0) .cse3)) c_~var_1_9~0) .cse4) (and (not .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_7~0) .cse3)) c_~var_1_9~0)))) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse5 (fp.gt .cse9 c_~var_1_7~0))) (or (and (not .cse5) (let ((.cse7 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse6 (not .cse7)) (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse8 (fp.lt .cse9 c_~var_1_8~0))) (or (and .cse8 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse9))) (and .cse6 (not .cse8)))) .cse5))) (fp.leq .cse9 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (not (fp.lt c_~var_1_8~0 (fp.div c_currentRoundingMode c_~var_1_1~0 .cse9))) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse10) (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse11) (fp.geq c_~var_1_11~0 .cse12)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse11)) (fp.leq c_~var_1_11~0 (fp.neg .cse12))))) (fp.geq c_~var_1_12~0 .cse12) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (= (bvadd c_~var_1_14~0 (_ bv50 32)) c_~var_1_13~0) (= c_~var_1_5~0 c_~var_1_2~0) (= c_~var_1_10~0 (_ bv0 8)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 14:51:00,531 WARN L293 SmtUtils]: Spent 5.88s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:51:06,299 WARN L293 SmtUtils]: Spent 5.77s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:51:12,218 WARN L293 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:51:17,948 WARN L293 SmtUtils]: Spent 5.73s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:51:24,064 WARN L293 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:51:29,670 WARN L293 SmtUtils]: Spent 5.61s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:51:35,519 WARN L293 SmtUtils]: Spent 5.85s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:51:41,477 WARN L293 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:51:47,411 WARN L293 SmtUtils]: Spent 5.93s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:51:53,293 WARN L293 SmtUtils]: Spent 5.88s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:51:59,181 WARN L293 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:52:05,144 WARN L293 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:52:11,043 WARN L293 SmtUtils]: Spent 5.90s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:52:17,155 WARN L293 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:52:22,318 WARN L293 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:52:28,294 WARN L293 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 14:52:29,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2023-12-02 14:52:29,982 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-12-02 14:52:29,983 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:52:29,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686220705] [2023-12-02 14:52:29,984 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2023-12-02 14:52:29,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [620328075] [2023-12-02 14:52:29,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:52:29,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:52:29,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:52:29,986 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:52:29,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 14:52:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:52:33,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 14:52:33,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:52:33,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2023-12-02 14:52:33,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360250044] [2023-12-02 14:52:33,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:52:33,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:52:33,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:52:33,745 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:52:33,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4de08a-96a7-464e-9d6f-04048390a362/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process