./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX --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 4530217ca1f20f3cb75b415cf917b29c2da92488d9a0626f4e89358462ce0871 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:47:28,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:47:28,549 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:47:28,556 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:47:28,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:47:28,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:47:28,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:47:28,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:47:28,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:47:28,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:47:28,604 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:47:28,605 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:47:28,605 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:47:28,607 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:47:28,608 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:47:28,608 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:47:28,608 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:47:28,609 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:47:28,609 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:47:28,610 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:47:28,610 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:47:28,611 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:47:28,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:47:28,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:47:28,613 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:47:28,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:47:28,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:47:28,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:47:28,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:47:28,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:47:28,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:47:28,617 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:47:28,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:47:28,618 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:47:28,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:47:28,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:47:28,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:28,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:47:28,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:47:28,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:47:28,620 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:47:28,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:47:28,621 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:47:28,621 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:47:28,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:47:28,622 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_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4530217ca1f20f3cb75b415cf917b29c2da92488d9a0626f4e89358462ce0871 [2023-11-12 00:47:28,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:47:28,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:47:28,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:47:28,940 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:47:28,940 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:47:28,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.i [2023-11-12 00:47:32,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:47:32,305 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:47:32,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.i [2023-11-12 00:47:32,318 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/data/1854b9efc/e3006e9a5fa749b5b7ff04f845cefec9/FLAG87197c830 [2023-11-12 00:47:32,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/data/1854b9efc/e3006e9a5fa749b5b7ff04f845cefec9 [2023-11-12 00:47:32,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:47:32,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:47:32,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:32,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:47:32,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:47:32,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774157af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32, skipping insertion in model container [2023-11-12 00:47:32,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,390 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:47:32,570 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_b0bd3048-db90-40d7-b00e-ee04f857cef5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.i[916,929] [2023-11-12 00:47:32,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:32,708 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:47:32,722 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_b0bd3048-db90-40d7-b00e-ee04f857cef5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.i[916,929] [2023-11-12 00:47:32,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:32,794 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:47:32,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32 WrapperNode [2023-11-12 00:47:32,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:32,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:32,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:47:32,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:47:32,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,926 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 243 [2023-11-12 00:47:32,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:32,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:47:32,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:47:32,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:47:32,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:33,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:33,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:33,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:47:33,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:47:33,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:47:33,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:47:33,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:33,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:33,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:33,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:47:33,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:47:33,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:47:33,217 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:47:33,217 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:47:33,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:47:33,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:47:33,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:47:33,332 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:47:33,335 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:47:33,984 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:47:34,631 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:47:34,631 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:47:34,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:34 BoogieIcfgContainer [2023-11-12 00:47:34,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:47:34,637 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:47:34,637 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:47:34,640 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:47:34,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:47:32" (1/3) ... [2023-11-12 00:47:34,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197dfcfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:34, skipping insertion in model container [2023-11-12 00:47:34,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (2/3) ... [2023-11-12 00:47:34,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197dfcfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:34, skipping insertion in model container [2023-11-12 00:47:34,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:34" (3/3) ... [2023-11-12 00:47:34,644 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-61.i [2023-11-12 00:47:34,665 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:47:34,666 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:47:34,718 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:47:34,725 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;@39696986, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:47:34,725 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:47:34,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:47:34,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-12 00:47:34,745 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:34,745 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:34,746 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:34,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:34,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1952265332, now seen corresponding path program 1 times [2023-11-12 00:47:34,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:34,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728642585] [2023-11-12 00:47:34,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:34,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:34,947 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:47:34,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2061192682] [2023-11-12 00:47:34,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:34,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:34,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:34,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:47:34,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:47:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:47:35,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:47:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:47:35,796 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:47:35,798 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:47:35,799 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:47:35,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:47:36,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:47:36,014 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:47:36,017 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:47:36,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:47:36 BoogieIcfgContainer [2023-11-12 00:47:36,212 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:47:36,213 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:47:36,213 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:47:36,214 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:47:36,214 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:34" (3/4) ... [2023-11-12 00:47:36,220 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:47:36,222 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:47:36,223 INFO L158 Benchmark]: Toolchain (without parser) took 3884.28ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 102.2MB in the beginning and 134.9MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:47:36,224 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:47:36,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.38ms. Allocated memory is still 146.8MB. Free memory was 102.2MB in the beginning and 84.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:47:36,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.32ms. Allocated memory is still 146.8MB. Free memory was 84.7MB in the beginning and 78.0MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:47:36,233 INFO L158 Benchmark]: Boogie Preprocessor took 123.99ms. Allocated memory is still 146.8MB. Free memory was 78.0MB in the beginning and 117.0MB in the end (delta: -39.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-11-12 00:47:36,234 INFO L158 Benchmark]: RCFGBuilder took 1581.73ms. Allocated memory is still 146.8MB. Free memory was 117.0MB in the beginning and 96.9MB in the end (delta: 20.1MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2023-11-12 00:47:36,235 INFO L158 Benchmark]: TraceAbstraction took 1575.99ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 96.9MB in the beginning and 134.9MB in the end (delta: -38.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-12 00:47:36,235 INFO L158 Benchmark]: Witness Printer took 8.88ms. Allocated memory is still 176.2MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:47:36,238 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.38ms. Allocated memory is still 146.8MB. Free memory was 102.2MB in the beginning and 84.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.32ms. Allocated memory is still 146.8MB. Free memory was 84.7MB in the beginning and 78.0MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.99ms. Allocated memory is still 146.8MB. Free memory was 78.0MB in the beginning and 117.0MB in the end (delta: -39.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1581.73ms. Allocated memory is still 146.8MB. Free memory was 117.0MB in the beginning and 96.9MB in the end (delta: 20.1MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1575.99ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 96.9MB in the beginning and 134.9MB in the end (delta: -38.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 8.88ms. Allocated memory is still 176.2MB. Free memory is still 134.9MB. 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 someBinaryDOUBLEComparisonOperation at line 70, overapproximation of shiftRight at line 77, overapproximation of bitwiseOr at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 64; [L23] unsigned long int var_1_2 = 3511246143; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 5; [L28] unsigned long int var_1_8 = 2220610682; [L29] unsigned long int var_1_9 = 3786407275; [L30] unsigned char var_1_12 = 64; [L31] unsigned long int var_1_13 = 100; [L32] signed long int var_1_14 = 1; [L33] unsigned long int var_1_15 = 3489174775; [L34] signed char var_1_16 = 1; [L35] signed char var_1_17 = -16; [L36] signed short int var_1_18 = 0; [L37] signed short int var_1_19 = 64; [L38] signed short int var_1_20 = 2; [L39] double var_1_21 = 7.5; [L40] double var_1_22 = 99.5; [L41] signed short int var_1_23 = 500; [L42] unsigned short int var_1_24 = 5; [L43] double var_1_25 = 127.5; [L44] unsigned short int var_1_26 = 33797; [L45] unsigned short int var_1_28 = 27913; [L46] signed long int var_1_30 = 2; [L47] unsigned char last_1_var_1_7 = 5; [L48] signed short int last_1_var_1_18 = 0; [L49] unsigned short int last_1_var_1_24 = 5; [L50] signed long int last_1_var_1_30 = 2; [L201] isInitial = 1 [L202] FCALL initially() [L203] COND TRUE 1 [L204] CALL updateLastVariables() [L191] last_1_var_1_7 = var_1_7 [L192] last_1_var_1_18 = var_1_18 [L193] last_1_var_1_24 = var_1_24 [L194] last_1_var_1_30 = var_1_30 [L204] RET updateLastVariables() [L205] CALL updateVariables() [L149] var_1_2 = __VERIFIER_nondet_ulong() [L150] CALL assume_abort_if_not(var_1_2 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_2 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L151] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L152] var_1_5 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L154] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L155] var_1_6 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L157] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L158] var_1_8 = __VERIFIER_nondet_ulong() [L159] CALL assume_abort_if_not(var_1_8 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_8 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=3786407275] [L160] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=3786407275] [L161] var_1_9 = __VERIFIER_nondet_ulong() [L162] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L163] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L164] var_1_12 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L166] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L167] var_1_14 = __VERIFIER_nondet_long() [L168] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L169] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L170] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L171] var_1_15 = __VERIFIER_nondet_ulong() [L172] CALL assume_abort_if_not(var_1_15 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_15 >= 3221225470) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L173] CALL assume_abort_if_not(var_1_15 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_15 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L174] var_1_17 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L176] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L177] var_1_21 = __VERIFIER_nondet_double() [L178] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L179] var_1_22 = __VERIFIER_nondet_double() [L180] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L181] var_1_25 = __VERIFIER_nondet_double() [L182] CALL assume_abort_if_not((var_1_25 >= -922337.2036854776000e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not((var_1_25 >= -922337.2036854776000e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L183] var_1_26 = __VERIFIER_nondet_ushort() [L184] CALL assume_abort_if_not(var_1_26 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=65534, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_26 >= 32767) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=65534, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L185] CALL assume_abort_if_not(var_1_26 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=65534, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_26 <= 65534) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=65534, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L186] var_1_28 = __VERIFIER_nondet_ushort() [L187] CALL assume_abort_if_not(var_1_28 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=65534, var_1_28=32767, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_28 >= 16383) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=65534, var_1_28=32767, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L188] CALL assume_abort_if_not(var_1_28 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=65534, var_1_28=32767, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_28 <= 32767) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=100, var_1_14=1, var_1_15=4294967294, var_1_16=1, var_1_17=3, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=65534, var_1_28=32767, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967294, var_1_9=4294967294] [L205] RET updateVariables() [L206] CALL step() [L54] unsigned long int stepLocal_5 = var_1_9; [L55] unsigned long int stepLocal_4 = (((0u) < (((((last_1_var_1_7) > (last_1_var_1_24)) ? (last_1_var_1_7) : (last_1_var_1_24))))) ? (0u) : (((((last_1_var_1_7) > (last_1_var_1_24)) ? (last_1_var_1_7) : (last_1_var_1_24))))); [L56] COND FALSE !(last_1_var_1_30 >= stepLocal_5) [L67] var_1_23 = var_1_12 [L69] signed long int stepLocal_6 = -1; [L70] COND FALSE !(var_1_22 <= ((((var_1_21) < (var_1_25)) ? (var_1_21) : (var_1_25)))) [L73] COND FALSE !((last_1_var_1_24 + (last_1_var_1_18 / 16)) < stepLocal_6) [L77] EXPR last_1_var_1_7 >> var_1_2 [L77] COND TRUE (last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24)))) [L78] var_1_7 = var_1_12 [L82] COND FALSE !(((((var_1_21) < (var_1_22)) ? (var_1_21) : (var_1_22))) >= (- 9.5)) [L85] var_1_1 = (var_1_2 - 8u) [L86] EXPR var_1_12 ^ var_1_7 [L86] signed long int stepLocal_1 = var_1_12 ^ var_1_7; [L87] signed long int stepLocal_0 = var_1_24 % var_1_14; [L88] COND FALSE !(stepLocal_0 > 16u) [L93] var_1_13 = ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7))) [L95] COND TRUE var_1_12 >= var_1_7 [L96] var_1_16 = var_1_17 [L98] unsigned char stepLocal_9 = var_1_6; [L99] unsigned short int stepLocal_8 = var_1_24; [L100] signed char stepLocal_7 = var_1_16; [L101] COND TRUE (last_1_var_1_30 / var_1_26) != stepLocal_8 [L102] COND FALSE !(var_1_23 <= stepLocal_7) [L105] COND FALSE !((var_1_25 != (- 50.7)) && stepLocal_9) [L110] var_1_30 = var_1_7 [L116] COND TRUE ((- var_1_2) + var_1_7) != var_1_24 [L117] COND TRUE var_1_2 >= var_1_24 [L118] var_1_3 = 1 [L125] unsigned long int stepLocal_2 = var_1_2; [L126] COND FALSE !(var_1_8 > stepLocal_2) [L129] COND TRUE \read(var_1_3) [L130] var_1_18 = var_1_12 [L135] unsigned char stepLocal_3 = var_1_12; [L136] COND TRUE \read(var_1_3) [L137] var_1_19 = var_1_17 [L206] RET step() [L207] CALL, EXPR property() [L197] EXPR ((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12))) [L197] EXPR last_1_var_1_7 >> var_1_2 [L197] EXPR ((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12))) [L197] EXPR (((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12)))) && (((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7)))))) [L197] EXPR ((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7))))) [L197] EXPR (((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12)))) && (((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7)))))) [L197-L198] return ((((((((((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12)))) && (((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7))))))) && ((var_1_12 >= var_1_7) ? (var_1_16 == ((signed char) var_1_17)) : 1)) && ((var_1_8 > var_1_2) ? (var_1_18 == ((signed short int) (((((-32) > (var_1_12)) ? (-32) : (var_1_12))) + ((((var_1_20) < (last_1_var_1_18)) ? (var_1_20) : (last_1_var_1_18)))))) : (var_1_3 ? (var_1_18 == ((signed short int) var_1_12)) : (var_1_18 == ((signed short int) var_1_20))))) && (var_1_3 ? (var_1_19 == ((signed short int) var_1_17)) : ((var_1_12 < 100) ? (var_1_19 == ((signed short int) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : (var_1_5 ? (var_1_19 == ((signed short int) var_1_13)) : 1)))) && ((((((var_1_21) < (var_1_22)) ? (var_1_21) : (var_1_22))) >= (- 9.5)) ? (var_1_20 == ((signed short int) var_1_7)) : 1)) && ((last_1_var_1_30 >= var_1_9) ? (((last_1_var_1_30 / var_1_8) > ((((0u) < (((((last_1_var_1_7) > (last_1_var_1_24)) ? (last_1_var_1_7) : (last_1_var_1_24))))) ? (0u) : (((((last_1_var_1_7) > (last_1_var_1_24)) ? (last_1_var_1_7) : (last_1_var_1_24))))))) ? (var_1_6 ? (var_1_23 == ((signed short int) var_1_12)) : (var_1_23 == ((signed short int) last_1_var_1_24))) : (var_1_23 == ((signed short int) var_1_17))) : (var_1_23 == ((signed short int) var_1_12)))) && ((var_1_22 <= ((((var_1_21) < (var_1_25)) ? (var_1_21) : (var_1_25)))) ? (var_1_24 == ((unsigned short int) (((((var_1_26 - ((((last_1_var_1_24) < (var_1_12)) ? (last_1_var_1_24) : (var_1_12))))) > (last_1_var_1_7)) ? ((var_1_26 - ((((last_1_var_1_24) < (var_1_12)) ? (last_1_var_1_24) : (var_1_12))))) : (last_1_var_1_7))))) : (((last_1_var_1_24 + (last_1_var_1_18 / 16)) < -1) ? (var_1_24 == ((unsigned short int) (((((((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) < (last_1_var_1_24)) ? (((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) : (last_1_var_1_24))) + (((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) - (last_1_var_1_7 + 2))))) : 1))) && (((last_1_var_1_30 / var_1_26) != var_1_24) ? ((var_1_23 <= var_1_16) ? (var_1_30 == ((signed long int) ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))))) : (((var_1_25 != (- 50.7)) && var_1_6) ? (var_1_6 ? (var_1_30 == ((signed long int) var_1_15)) : 1) : (var_1_30 == ((signed long int) var_1_7)))) : (var_1_30 == ((signed long int) var_1_7))) ; [L207] RET, EXPR property() [L207] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=4, var_1_14=1, var_1_15=4294967294, var_1_16=3, var_1_17=3, var_1_18=4, var_1_19=3, var_1_1=4294967286, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=4, var_1_26=65534, var_1_28=32767, var_1_2=4294967294, var_1_30=4, var_1_3=1, var_1_5=1, var_1_6=0, var_1_7=4, var_1_8=4294967294, var_1_9=4294967294] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=4, var_1_13=4, var_1_14=1, var_1_15=4294967294, var_1_16=3, var_1_17=3, var_1_18=4, var_1_19=3, var_1_1=4294967286, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=4, var_1_26=65534, var_1_28=32767, var_1_2=4294967294, var_1_30=4, var_1_3=1, var_1_5=1, var_1_6=0, var_1_7=4, var_1_8=4294967294, var_1_9=4294967294] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 26, 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=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:47:36,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX --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 4530217ca1f20f3cb75b415cf917b29c2da92488d9a0626f4e89358462ce0871 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:47:38,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:47:38,956 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:47:38,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:47:38,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:47:38,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:47:38,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:47:38,990 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:47:38,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:47:38,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:47:38,992 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:47:38,993 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:47:38,993 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:47:38,994 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:47:38,995 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:47:38,995 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:47:38,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:47:38,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:47:38,998 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:47:38,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:47:38,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:47:39,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:47:39,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:47:39,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:47:39,002 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:47:39,002 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:47:39,003 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:47:39,003 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:47:39,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:47:39,004 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:47:39,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:47:39,006 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:47:39,006 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:47:39,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:39,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:47:39,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:47:39,008 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:47:39,008 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:47:39,009 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:47:39,009 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:47:39,010 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:47:39,010 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:47:39,011 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_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4530217ca1f20f3cb75b415cf917b29c2da92488d9a0626f4e89358462ce0871 [2023-11-12 00:47:39,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:47:39,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:47:39,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:47:39,475 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:47:39,476 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:47:39,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.i [2023-11-12 00:47:42,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:47:42,956 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:47:42,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.i [2023-11-12 00:47:42,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/data/2fb50790b/5e6c0973bef449daa1beafb72cb83720/FLAG990fd2b0c [2023-11-12 00:47:42,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/data/2fb50790b/5e6c0973bef449daa1beafb72cb83720 [2023-11-12 00:47:42,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:47:43,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:47:43,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:43,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:47:43,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:47:43,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:42" (1/1) ... [2023-11-12 00:47:43,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@493555a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:43, skipping insertion in model container [2023-11-12 00:47:43,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:42" (1/1) ... [2023-11-12 00:47:43,066 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:47:43,280 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_b0bd3048-db90-40d7-b00e-ee04f857cef5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.i[916,929] [2023-11-12 00:47:43,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:43,428 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:47:43,441 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_b0bd3048-db90-40d7-b00e-ee04f857cef5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.i[916,929] [2023-11-12 00:47:43,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:43,510 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:47:43,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:43 WrapperNode [2023-11-12 00:47:43,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:43,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:43,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:47:43,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:47:43,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:43" (1/1) ... [2023-11-12 00:47:43,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:43" (1/1) ... [2023-11-12 00:47:43,619 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2023-11-12 00:47:43,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:43,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:47:43,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:47:43,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:47:43,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:43" (1/1) ... [2023-11-12 00:47:43,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:43" (1/1) ... [2023-11-12 00:47:43,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:43" (1/1) ... [2023-11-12 00:47:43,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:43" (1/1) ... [2023-11-12 00:47:43,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:43" (1/1) ... [2023-11-12 00:47:43,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:43" (1/1) ... [2023-11-12 00:47:43,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:43" (1/1) ... [2023-11-12 00:47:43,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:43" (1/1) ... [2023-11-12 00:47:43,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:47:43,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:47:43,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:47:43,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:47:43,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:43" (1/1) ... [2023-11-12 00:47:43,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:43,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:43,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:47:43,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:47:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:47:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:47:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:47:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:47:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:47:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:47:43,935 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:47:43,937 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:47:44,887 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:47:44,895 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:47:44,896 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:47:44,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:44 BoogieIcfgContainer [2023-11-12 00:47:44,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:47:44,902 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:47:44,902 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:47:44,906 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:47:44,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:47:42" (1/3) ... [2023-11-12 00:47:44,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5333a88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:44, skipping insertion in model container [2023-11-12 00:47:44,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:43" (2/3) ... [2023-11-12 00:47:44,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5333a88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:44, skipping insertion in model container [2023-11-12 00:47:44,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:44" (3/3) ... [2023-11-12 00:47:44,910 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-61.i [2023-11-12 00:47:44,934 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:47:44,934 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:47:44,994 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:47:45,001 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;@6934c9de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:47:45,002 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:47:45,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:47:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-12 00:47:45,027 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:45,028 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:45,029 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:45,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:45,035 INFO L85 PathProgramCache]: Analyzing trace with hash -522773436, now seen corresponding path program 1 times [2023-11-12 00:47:45,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:47:45,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [716280105] [2023-11-12 00:47:45,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:45,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:47:45,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:47:45,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:47:45,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 00:47:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:45,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:47:45,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:46,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 435 proven. 60 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-12 00:47:46,345 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:47:46,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-12 00:47:46,853 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:47:46,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [716280105] [2023-11-12 00:47:46,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [716280105] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:47:46,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [452333450] [2023-11-12 00:47:46,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:46,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:47:46,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:47:46,859 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:47:46,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-12 00:47:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:47,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:47:47,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:48,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 435 proven. 60 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-12 00:47:48,482 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:47:48,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-12 00:47:48,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [452333450] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:47:48,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260751016] [2023-11-12 00:47:48,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:48,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:48,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:48,840 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:47:48,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 00:47:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:49,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:47:49,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:49,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 435 proven. 60 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-12 00:47:49,598 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:47:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-12 00:47:49,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260751016] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:47:49,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:47:49,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 8 [2023-11-12 00:47:49,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241795361] [2023-11-12 00:47:49,939 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:47:49,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 00:47:49,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:47:49,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 00:47:49,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:47:50,001 INFO L87 Difference]: Start difference. First operand has 85 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-11-12 00:47:51,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:51,511 INFO L93 Difference]: Finished difference Result 255 states and 458 transitions. [2023-11-12 00:47:51,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-12 00:47:51,514 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 168 [2023-11-12 00:47:51,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:51,527 INFO L225 Difference]: With dead ends: 255 [2023-11-12 00:47:51,527 INFO L226 Difference]: Without dead ends: 173 [2023-11-12 00:47:51,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1014 GetRequests, 994 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-11-12 00:47:51,546 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 245 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:51,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 312 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-12 00:47:51,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-11-12 00:47:51,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 90. [2023-11-12 00:47:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 61 states have internal predecessors, (82), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:47:51,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 134 transitions. [2023-11-12 00:47:51,638 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 134 transitions. Word has length 168 [2023-11-12 00:47:51,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:51,640 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 134 transitions. [2023-11-12 00:47:51,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-11-12 00:47:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 134 transitions. [2023-11-12 00:47:51,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-12 00:47:51,646 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:51,648 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:51,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-12 00:47:51,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-12 00:47:52,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:47:52,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:47:52,257 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:52,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:52,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1883338731, now seen corresponding path program 1 times [2023-11-12 00:47:52,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:47:52,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185407349] [2023-11-12 00:47:52,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:52,260 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:47:52,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:47:52,261 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:47:52,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-12 00:47:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:52,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 00:47:52,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 584 proven. 105 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2023-11-12 00:47:54,615 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:47:54,931 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:47:54,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185407349] [2023-11-12 00:47:54,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [185407349] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:47:54,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1778673067] [2023-11-12 00:47:54,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:54,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:47:54,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:47:54,937 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:47:54,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-12 00:47:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:57,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 00:47:57,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:48:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 333 proven. 9 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2023-11-12 00:48:00,104 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:48:05,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1778673067] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:48:05,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124347175] [2023-11-12 00:48:05,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:05,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:48:05,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:48:05,205 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:48:05,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 00:48:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:05,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 00:48:05,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:48:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 333 proven. 9 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2023-11-12 00:48:07,770 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:48:10,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124347175] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:48:10,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:48:10,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 16 [2023-11-12 00:48:10,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296065163] [2023-11-12 00:48:10,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:48:10,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-12 00:48:10,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:48:10,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-12 00:48:10,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2023-11-12 00:48:10,854 INFO L87 Difference]: Start difference. First operand 90 states and 134 transitions. Second operand has 17 states, 17 states have (on average 5.411764705882353) internal successors, (92), 16 states have internal predecessors, (92), 5 states have call successors, (52), 5 states have call predecessors, (52), 8 states have return successors, (52), 5 states have call predecessors, (52), 5 states have call successors, (52) [2023-11-12 00:48:18,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:48:18,174 INFO L93 Difference]: Finished difference Result 479 states and 698 transitions. [2023-11-12 00:48:18,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-12 00:48:18,192 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.411764705882353) internal successors, (92), 16 states have internal predecessors, (92), 5 states have call successors, (52), 5 states have call predecessors, (52), 8 states have return successors, (52), 5 states have call predecessors, (52), 5 states have call successors, (52) Word has length 169 [2023-11-12 00:48:18,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:48:18,198 INFO L225 Difference]: With dead ends: 479 [2023-11-12 00:48:18,198 INFO L226 Difference]: Without dead ends: 392 [2023-11-12 00:48:18,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 599 GetRequests, 550 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 647 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=570, Invalid=1980, Unknown=0, NotChecked=0, Total=2550 [2023-11-12 00:48:18,202 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 530 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 1206 SdHoareTripleChecker+Invalid, 1266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:48:18,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 1206 Invalid, 1266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-12 00:48:18,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2023-11-12 00:48:18,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 258. [2023-11-12 00:48:18,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 168 states have (on average 1.2797619047619047) internal successors, (215), 168 states have internal predecessors, (215), 78 states have call successors, (78), 11 states have call predecessors, (78), 11 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-12 00:48:18,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 371 transitions. [2023-11-12 00:48:18,268 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 371 transitions. Word has length 169 [2023-11-12 00:48:18,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:48:18,269 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 371 transitions. [2023-11-12 00:48:18,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.411764705882353) internal successors, (92), 16 states have internal predecessors, (92), 5 states have call successors, (52), 5 states have call predecessors, (52), 8 states have return successors, (52), 5 states have call predecessors, (52), 5 states have call successors, (52) [2023-11-12 00:48:18,270 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 371 transitions. [2023-11-12 00:48:18,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:48:18,273 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:18,274 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:48:18,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:48:18,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:48:18,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:48:18,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:48:18,885 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:18,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:18,885 INFO L85 PathProgramCache]: Analyzing trace with hash -778798262, now seen corresponding path program 1 times [2023-11-12 00:48:18,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:48:18,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513304369] [2023-11-12 00:48:18,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:18,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:48:18,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:48:18,889 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:48:18,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-12 00:48:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:19,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:48:19,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:48:19,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:48:19,635 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:48:19,635 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:48:19,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513304369] [2023-11-12 00:48:19,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513304369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:48:19,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:48:19,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:48:19,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962538340] [2023-11-12 00:48:19,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:48:19,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:48:19,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:48:19,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:48:19,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:48:19,639 INFO L87 Difference]: Start difference. First operand 258 states and 371 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:48:20,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:48:20,436 INFO L93 Difference]: Finished difference Result 401 states and 585 transitions. [2023-11-12 00:48:20,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:48:20,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2023-11-12 00:48:20,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:48:20,459 INFO L225 Difference]: With dead ends: 401 [2023-11-12 00:48:20,459 INFO L226 Difference]: Without dead ends: 313 [2023-11-12 00:48:20,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:48:20,462 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 96 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:48:20,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 420 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-12 00:48:20,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-11-12 00:48:20,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 259. [2023-11-12 00:48:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 169 states have (on average 1.2781065088757397) internal successors, (216), 169 states have internal predecessors, (216), 78 states have call successors, (78), 11 states have call predecessors, (78), 11 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-12 00:48:20,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 372 transitions. [2023-11-12 00:48:20,522 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 372 transitions. Word has length 170 [2023-11-12 00:48:20,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:48:20,523 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 372 transitions. [2023-11-12 00:48:20,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:48:20,523 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 372 transitions. [2023-11-12 00:48:20,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:48:20,527 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:20,527 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:48:20,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-12 00:48:20,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:48:20,740 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:20,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:20,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1522024328, now seen corresponding path program 1 times [2023-11-12 00:48:20,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:48:20,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [234157851] [2023-11-12 00:48:20,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:20,742 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:48:20,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:48:20,744 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:48:20,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0bd3048-db90-40d7-b00e-ee04f857cef5/bin/utaipan-verify-NcY6lQBIFX/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 (9)] Waiting until timeout for monitored process [2023-11-12 00:48:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:21,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-12 00:48:21,095 INFO L285 TraceCheckSpWp]: Computing forward predicates...