./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de49c1024f75bd42c2ba216013cadd33badabb9f8344d56ad458104a753e6c94 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:01:33,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:01:33,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:01:33,260 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:01:33,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:01:33,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:01:33,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:01:33,289 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:01:33,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:01:33,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:01:33,291 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:01:33,291 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:01:33,292 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:01:33,292 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:01:33,293 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:01:33,293 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:01:33,294 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:01:33,294 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:01:33,295 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:01:33,295 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:01:33,296 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:01:33,297 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:01:33,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:01:33,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:01:33,299 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:01:33,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:01:33,300 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:01:33,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:01:33,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:01:33,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:01:33,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:01:33,302 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:01:33,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:01:33,302 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:01:33,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:01:33,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:01:33,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:01:33,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:01:33,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:01:33,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:01:33,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:01:33,304 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:01:33,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:01:33,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:01:33,305 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:01:33,305 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:01:33,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:01:33,306 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_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de49c1024f75bd42c2ba216013cadd33badabb9f8344d56ad458104a753e6c94 [2023-12-02 19:01:33,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:01:33,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:01:33,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:01:33,560 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:01:33,560 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:01:33,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-30.i [2023-12-02 19:01:36,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:01:36,538 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:01:36,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-30.i [2023-12-02 19:01:36,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/data/0b19615f4/b26f6bb9a39342619104352fa84f788d/FLAG49f13430a [2023-12-02 19:01:36,560 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/data/0b19615f4/b26f6bb9a39342619104352fa84f788d [2023-12-02 19:01:36,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:01:36,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:01:36,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:01:36,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:01:36,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:01:36,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:01:36" (1/1) ... [2023-12-02 19:01:36,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eed11bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:36, skipping insertion in model container [2023-12-02 19:01:36,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:01:36" (1/1) ... [2023-12-02 19:01:36,607 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:01:36,726 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_1c62f9fd-f5d8-4076-9014-64559165e965/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-30.i[916,929] [2023-12-02 19:01:36,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:01:36,823 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:01:36,832 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_1c62f9fd-f5d8-4076-9014-64559165e965/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-30.i[916,929] [2023-12-02 19:01:36,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:01:36,891 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:01:36,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:36 WrapperNode [2023-12-02 19:01:36,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:01:36,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:01:36,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:01:36,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:01:36,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:36" (1/1) ... [2023-12-02 19:01:36,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:36" (1/1) ... [2023-12-02 19:01:36,961 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 249 [2023-12-02 19:01:36,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:01:36,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:01:36,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:01:36,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:01:36,970 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:36" (1/1) ... [2023-12-02 19:01:36,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:36" (1/1) ... [2023-12-02 19:01:36,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:36" (1/1) ... [2023-12-02 19:01:36,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:36" (1/1) ... [2023-12-02 19:01:36,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:36" (1/1) ... [2023-12-02 19:01:37,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:36" (1/1) ... [2023-12-02 19:01:37,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:36" (1/1) ... [2023-12-02 19:01:37,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:36" (1/1) ... [2023-12-02 19:01:37,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:01:37,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:01:37,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:01:37,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:01:37,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:36" (1/1) ... [2023-12-02 19:01:37,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:01:37,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:01:37,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:01:37,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:01:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:01:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:01:37,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:01:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:01:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:01:37,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:01:37,176 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:01:37,178 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:01:37,628 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:01:37,996 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:01:37,996 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:01:37,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:01:37 BoogieIcfgContainer [2023-12-02 19:01:37,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:01:38,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:01:38,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:01:38,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:01:38,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:01:36" (1/3) ... [2023-12-02 19:01:38,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79befeb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:01:38, skipping insertion in model container [2023-12-02 19:01:38,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:36" (2/3) ... [2023-12-02 19:01:38,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79befeb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:01:38, skipping insertion in model container [2023-12-02 19:01:38,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:01:37" (3/3) ... [2023-12-02 19:01:38,006 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-30.i [2023-12-02 19:01:38,020 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:01:38,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:01:38,063 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:01:38,069 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;@2084ff21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:01:38,069 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:01:38,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 19:01:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 19:01:38,083 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:01:38,084 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:01:38,085 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:01:38,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:01:38,090 INFO L85 PathProgramCache]: Analyzing trace with hash 2053338164, now seen corresponding path program 1 times [2023-12-02 19:01:38,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:01:38,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823478585] [2023-12-02 19:01:38,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:01:38,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:01:38,248 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 19:01:38,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [721473814] [2023-12-02 19:01:38,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:01:38,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:01:38,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:01:38,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:01:38,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 19:01:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:01:38,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 19:01:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:01:39,206 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 19:01:39,208 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 19:01:39,209 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:01:39,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:01:39,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 19:01:39,416 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 19:01:39,419 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:01:39,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:01:39 BoogieIcfgContainer [2023-12-02 19:01:39,516 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:01:39,517 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:01:39,517 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:01:39,517 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:01:39,517 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:01:37" (3/4) ... [2023-12-02 19:01:39,520 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 19:01:39,521 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:01:39,522 INFO L158 Benchmark]: Toolchain (without parser) took 2957.90ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 98.2MB in the beginning and 103.4MB in the end (delta: -5.2MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2023-12-02 19:01:39,523 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 127.9MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:01:39,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.99ms. Allocated memory is still 127.9MB. Free memory was 98.0MB in the beginning and 81.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 19:01:39,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.43ms. Allocated memory is still 127.9MB. Free memory was 81.2MB in the beginning and 75.5MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 19:01:39,525 INFO L158 Benchmark]: Boogie Preprocessor took 52.84ms. Allocated memory is still 127.9MB. Free memory was 75.5MB in the beginning and 72.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 19:01:39,526 INFO L158 Benchmark]: RCFGBuilder took 982.68ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 72.5MB in the beginning and 85.5MB in the end (delta: -13.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-12-02 19:01:39,526 INFO L158 Benchmark]: TraceAbstraction took 1516.10ms. Allocated memory is still 155.2MB. Free memory was 85.5MB in the beginning and 103.4MB in the end (delta: -17.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-02 19:01:39,527 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 155.2MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:01:39,530 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 127.9MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.99ms. Allocated memory is still 127.9MB. Free memory was 98.0MB in the beginning and 81.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.43ms. Allocated memory is still 127.9MB. Free memory was 81.2MB in the beginning and 75.5MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.84ms. Allocated memory is still 127.9MB. Free memory was 75.5MB in the beginning and 72.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 982.68ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 72.5MB in the beginning and 85.5MB in the end (delta: -13.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1516.10ms. Allocated memory is still 155.2MB. Free memory was 85.5MB in the beginning and 103.4MB in the end (delta: -17.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 155.2MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of bitwiseOr at line 69, overapproximation of someBinaryArithmeticFLOAToperation at line 94. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 256; [L23] unsigned long int var_1_8 = 3645380125; [L24] float var_1_11 = 0.625; [L25] float var_1_12 = 31.2; [L26] float var_1_13 = 0.0; [L27] float var_1_14 = 32.8; [L28] unsigned short int var_1_15 = 64; [L29] signed char var_1_17 = -16; [L30] signed char var_1_18 = 64; [L31] signed char var_1_19 = 16; [L32] signed char var_1_20 = 32; [L33] signed char var_1_21 = 0; [L34] unsigned char var_1_22 = 50; [L35] unsigned short int var_1_23 = 32; [L36] unsigned char var_1_24 = 0; [L37] unsigned char var_1_29 = 1; [L38] unsigned char var_1_30 = 0; [L39] unsigned char var_1_31 = 0; [L40] unsigned char var_1_32 = 16; [L41] float var_1_33 = 10.5; [L42] float var_1_34 = 9.75; [L43] float var_1_35 = 3.6; [L44] unsigned char var_1_36 = 0; [L45] unsigned char var_1_37 = 10; [L46] unsigned char var_1_39 = 128; [L47] unsigned char var_1_40 = 0; [L48] unsigned short int last_1_var_1_15 = 64; [L49] unsigned char last_1_var_1_22 = 50; [L50] unsigned short int last_1_var_1_23 = 32; [L51] unsigned char last_1_var_1_24 = 0; [L52] unsigned char last_1_var_1_32 = 16; [L53] float last_1_var_1_35 = 3.6; [L54] unsigned char last_1_var_1_36 = 0; [L55] unsigned char last_1_var_1_40 = 0; [L190] isInitial = 1 [L191] FCALL initially() [L192] COND TRUE 1 [L193] CALL updateLastVariables() [L176] last_1_var_1_15 = var_1_15 [L177] last_1_var_1_22 = var_1_22 [L178] last_1_var_1_23 = var_1_23 [L179] last_1_var_1_24 = var_1_24 [L180] last_1_var_1_32 = var_1_32 [L181] last_1_var_1_35 = var_1_35 [L182] last_1_var_1_36 = var_1_36 [L183] last_1_var_1_40 = var_1_40 [L193] RET updateLastVariables() [L194] CALL updateVariables() [L136] var_1_8 = __VERIFIER_nondet_ulong() [L137] CALL assume_abort_if_not(var_1_8 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=156/5, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_8 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=156/5, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L138] CALL assume_abort_if_not(var_1_8 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=156/5, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_8 <= 4294967294) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=156/5, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L139] var_1_12 = __VERIFIER_nondet_float() [L140] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L141] var_1_13 = __VERIFIER_nondet_float() [L142] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L143] var_1_14 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L145] var_1_18 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L147] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L148] var_1_19 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_19 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_19 >= -1) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L150] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L151] var_1_20 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L153] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L154] var_1_21 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L156] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L157] var_1_29 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L159] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L160] var_1_30 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L162] CALL assume_abort_if_not(var_1_30 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_30 <= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L163] var_1_31 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L165] CALL assume_abort_if_not(var_1_31 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_31 <= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L166] var_1_34 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 4611686.018427382800e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 4611686.018427382800e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L168] var_1_37 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_37 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_37 >= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L170] CALL assume_abort_if_not(var_1_37 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_37 <= 127) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=128, var_1_40=0, var_1_8=2147483650] [L171] var_1_39 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_39 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=254, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_39 >= 127) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=254, var_1_40=0, var_1_8=2147483650] [L173] CALL assume_abort_if_not(var_1_39 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=254, var_1_40=0, var_1_8=2147483650] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_39 <= 254) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=0, var_1_19=63, var_1_1=256, var_1_20=1, var_1_21=1, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=254, var_1_40=0, var_1_8=2147483650] [L194] RET updateVariables() [L195] CALL step() [L59] COND TRUE ! last_1_var_1_40 [L60] COND FALSE !(\read(last_1_var_1_40)) [L63] var_1_24 = (var_1_30 || var_1_31) [L68] signed long int stepLocal_4 = last_1_var_1_15; [L69] EXPR last_1_var_1_32 | var_1_21 [L69] signed long int stepLocal_3 = last_1_var_1_15 + (last_1_var_1_32 | var_1_21); [L70] unsigned char stepLocal_2 = var_1_31; [L71] COND FALSE !((last_1_var_1_24 && (last_1_var_1_22 <= last_1_var_1_36)) || stepLocal_2) [L84] var_1_36 = (var_1_39 - 2) [L86] COND FALSE !(63.25f != last_1_var_1_35) [L89] var_1_23 = (((65440 - var_1_20) - last_1_var_1_22) - var_1_21) [L91] EXPR last_1_var_1_36 | last_1_var_1_23 [L91] COND TRUE (last_1_var_1_36 | last_1_var_1_23) != -128 [L92] var_1_22 = ((((var_1_20) > (8)) ? (var_1_20) : (8))) [L94] var_1_11 = ((127.25f + var_1_12) - (var_1_13 - var_1_14)) [L95] COND FALSE !(var_1_14 < var_1_13) [L100] COND FALSE !(\read(var_1_24)) [L103] COND FALSE !(\read(var_1_24)) [L106] var_1_40 = 0 [L109] unsigned char stepLocal_0 = var_1_36; [L110] COND FALSE !(last_1_var_1_15 > ((((last_1_var_1_15) > (var_1_36)) ? (last_1_var_1_15) : (var_1_36)))) [L115] COND FALSE !(var_1_23 == var_1_22) [L118] var_1_1 = (var_1_8 - ((((var_1_36) > (var_1_23)) ? (var_1_36) : (var_1_23)))) [L120] unsigned long int stepLocal_1 = var_1_1; [L121] COND FALSE !(var_1_23 == stepLocal_1) [L124] COND FALSE !(var_1_35 >= var_1_13) [L127] var_1_17 = (var_1_19 - (64 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))) [L129] COND FALSE !((- var_1_8) == (var_1_23 * var_1_15)) [L132] var_1_33 = ((6.7886887876129004E18f - var_1_12) - (var_1_14 + var_1_34)) [L195] RET step() [L196] CALL, EXPR property() [L186] EXPR (((((var_1_23 == var_1_22) ? (var_1_1 == ((unsigned long int) ((((var_1_36) > (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22))))) ? (var_1_36) : (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22)))))))) : (var_1_1 == ((unsigned long int) (var_1_8 - ((((var_1_36) > (var_1_23)) ? (var_1_36) : (var_1_23))))))) && (var_1_11 == ((float) ((127.25f + var_1_12) - (var_1_13 - var_1_14))))) && ((last_1_var_1_15 > ((((last_1_var_1_15) > (var_1_36)) ? (last_1_var_1_15) : (var_1_36)))) ? ((var_1_36 >= last_1_var_1_15) ? (var_1_15 == ((unsigned short int) var_1_32)) : 1) : 1)) && ((var_1_35 >= var_1_13) ? (var_1_17 == ((signed char) var_1_18)) : (var_1_17 == ((signed char) (var_1_19 - (64 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))))))) && (((last_1_var_1_36 | last_1_var_1_23) != -128) ? (var_1_22 == ((unsigned char) ((((var_1_20) > (8)) ? (var_1_20) : (8))))) : 1) [L186] EXPR last_1_var_1_36 | last_1_var_1_23 [L186] EXPR (((((var_1_23 == var_1_22) ? (var_1_1 == ((unsigned long int) ((((var_1_36) > (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22))))) ? (var_1_36) : (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22)))))))) : (var_1_1 == ((unsigned long int) (var_1_8 - ((((var_1_36) > (var_1_23)) ? (var_1_36) : (var_1_23))))))) && (var_1_11 == ((float) ((127.25f + var_1_12) - (var_1_13 - var_1_14))))) && ((last_1_var_1_15 > ((((last_1_var_1_15) > (var_1_36)) ? (last_1_var_1_15) : (var_1_36)))) ? ((var_1_36 >= last_1_var_1_15) ? (var_1_15 == ((unsigned short int) var_1_32)) : 1) : 1)) && ((var_1_35 >= var_1_13) ? (var_1_17 == ((signed char) var_1_18)) : (var_1_17 == ((signed char) (var_1_19 - (64 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))))))) && (((last_1_var_1_36 | last_1_var_1_23) != -128) ? (var_1_22 == ((unsigned char) ((((var_1_20) > (8)) ? (var_1_20) : (8))))) : 1) [L186] EXPR (((((((((((var_1_23 == var_1_22) ? (var_1_1 == ((unsigned long int) ((((var_1_36) > (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22))))) ? (var_1_36) : (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22)))))))) : (var_1_1 == ((unsigned long int) (var_1_8 - ((((var_1_36) > (var_1_23)) ? (var_1_36) : (var_1_23))))))) && (var_1_11 == ((float) ((127.25f + var_1_12) - (var_1_13 - var_1_14))))) && ((last_1_var_1_15 > ((((last_1_var_1_15) > (var_1_36)) ? (last_1_var_1_15) : (var_1_36)))) ? ((var_1_36 >= last_1_var_1_15) ? (var_1_15 == ((unsigned short int) var_1_32)) : 1) : 1)) && ((var_1_35 >= var_1_13) ? (var_1_17 == ((signed char) var_1_18)) : (var_1_17 == ((signed char) (var_1_19 - (64 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))))))) && (((last_1_var_1_36 | last_1_var_1_23) != -128) ? (var_1_22 == ((unsigned char) ((((var_1_20) > (8)) ? (var_1_20) : (8))))) : 1)) && ((63.25f != last_1_var_1_35) ? (var_1_23 == ((unsigned short int) ((((var_1_21) > (var_1_20)) ? (var_1_21) : (var_1_20))))) : (var_1_23 == ((unsigned short int) (((65440 - var_1_20) - last_1_var_1_22) - var_1_21))))) && ((! last_1_var_1_40) ? (last_1_var_1_40 ? (var_1_24 == ((unsigned char) ((last_1_var_1_40 || last_1_var_1_24) && (! (last_1_var_1_40 || var_1_29))))) : (var_1_24 == ((unsigned char) (var_1_30 || var_1_31)))) : (var_1_24 == ((unsigned char) var_1_29)))) && ((var_1_14 < var_1_13) ? ((31.875f <= var_1_12) ? (var_1_32 == ((unsigned char) var_1_20)) : 1) : 1)) && (((- var_1_8) == (var_1_23 * var_1_15)) ? (var_1_33 == ((float) var_1_14)) : (var_1_33 == ((float) ((6.7886887876129004E18f - var_1_12) - (var_1_14 + var_1_34)))))) && ((var_1_23 == var_1_1) ? (var_1_35 == ((float) (var_1_14 - (var_1_13 - var_1_34)))) : 1)) && (((last_1_var_1_24 && (last_1_var_1_22 <= last_1_var_1_36)) || var_1_31) ? ((last_1_var_1_15 <= last_1_var_1_15) ? (last_1_var_1_40 ? (var_1_36 == ((unsigned char) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (var_1_21)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (var_1_21))))) : (var_1_36 == ((unsigned char) (var_1_37 + ((((var_1_21) < (var_1_20)) ? (var_1_21) : (var_1_20))))))) : ((last_1_var_1_15 != (last_1_var_1_15 + (last_1_var_1_32 | var_1_21))) ? (var_1_36 == ((unsigned char) ((((var_1_21) > ((var_1_20 + var_1_37))) ? (var_1_21) : ((var_1_20 + var_1_37)))))) : 1)) : (var_1_36 == ((unsigned char) (var_1_39 - 2)))) [L186-L187] return ((((((((((((var_1_23 == var_1_22) ? (var_1_1 == ((unsigned long int) ((((var_1_36) > (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22))))) ? (var_1_36) : (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22)))))))) : (var_1_1 == ((unsigned long int) (var_1_8 - ((((var_1_36) > (var_1_23)) ? (var_1_36) : (var_1_23))))))) && (var_1_11 == ((float) ((127.25f + var_1_12) - (var_1_13 - var_1_14))))) && ((last_1_var_1_15 > ((((last_1_var_1_15) > (var_1_36)) ? (last_1_var_1_15) : (var_1_36)))) ? ((var_1_36 >= last_1_var_1_15) ? (var_1_15 == ((unsigned short int) var_1_32)) : 1) : 1)) && ((var_1_35 >= var_1_13) ? (var_1_17 == ((signed char) var_1_18)) : (var_1_17 == ((signed char) (var_1_19 - (64 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))))))) && (((last_1_var_1_36 | last_1_var_1_23) != -128) ? (var_1_22 == ((unsigned char) ((((var_1_20) > (8)) ? (var_1_20) : (8))))) : 1)) && ((63.25f != last_1_var_1_35) ? (var_1_23 == ((unsigned short int) ((((var_1_21) > (var_1_20)) ? (var_1_21) : (var_1_20))))) : (var_1_23 == ((unsigned short int) (((65440 - var_1_20) - last_1_var_1_22) - var_1_21))))) && ((! last_1_var_1_40) ? (last_1_var_1_40 ? (var_1_24 == ((unsigned char) ((last_1_var_1_40 || last_1_var_1_24) && (! (last_1_var_1_40 || var_1_29))))) : (var_1_24 == ((unsigned char) (var_1_30 || var_1_31)))) : (var_1_24 == ((unsigned char) var_1_29)))) && ((var_1_14 < var_1_13) ? ((31.875f <= var_1_12) ? (var_1_32 == ((unsigned char) var_1_20)) : 1) : 1)) && (((- var_1_8) == (var_1_23 * var_1_15)) ? (var_1_33 == ((float) var_1_14)) : (var_1_33 == ((float) ((6.7886887876129004E18f - var_1_12) - (var_1_14 + var_1_34)))))) && ((var_1_23 == var_1_1) ? (var_1_35 == ((float) (var_1_14 - (var_1_13 - var_1_34)))) : 1)) && (((last_1_var_1_24 && (last_1_var_1_22 <= last_1_var_1_36)) || var_1_31) ? ((last_1_var_1_15 <= last_1_var_1_15) ? (last_1_var_1_40 ? (var_1_36 == ((unsigned char) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (var_1_21)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (var_1_21))))) : (var_1_36 == ((unsigned char) (var_1_37 + ((((var_1_21) < (var_1_20)) ? (var_1_21) : (var_1_20))))))) : ((last_1_var_1_15 != (last_1_var_1_15 + (last_1_var_1_32 | var_1_21))) ? (var_1_36 == ((unsigned char) ((((var_1_21) > ((var_1_20 + var_1_37))) ? (var_1_21) : ((var_1_20 + var_1_37)))))) : 1)) : (var_1_36 == ((unsigned char) (var_1_39 - 2))))) && (var_1_24 ? (var_1_40 == ((unsigned char) ((var_1_8 == var_1_32) && (var_1_30 && (! var_1_29))))) : (var_1_24 ? (var_1_40 == ((unsigned char) (var_1_29 && var_1_30))) : (var_1_40 == ((unsigned char) 0)))) ; [L196] RET, EXPR property() [L196] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_14=0, var_1_15=64, var_1_17=0, var_1_18=0, var_1_19=63, var_1_1=2147418262, var_1_20=1, var_1_21=1, var_1_22=8, var_1_23=65388, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=0, var_1_35=18/5, var_1_36=252, var_1_37=127, var_1_39=254, var_1_40=0, var_1_8=2147483650] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_14=0, var_1_15=64, var_1_17=0, var_1_18=0, var_1_19=63, var_1_1=2147418262, var_1_20=1, var_1_21=1, var_1_22=8, var_1_23=65388, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=0, var_1_35=18/5, var_1_36=252, var_1_37=127, var_1_39=254, var_1_40=0, var_1_8=2147483650] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 24, 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=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 19:01:39,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de49c1024f75bd42c2ba216013cadd33badabb9f8344d56ad458104a753e6c94 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:01:41,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:01:41,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 19:01:41,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:01:41,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:01:41,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:01:41,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:01:41,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:01:41,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:01:41,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:01:41,659 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:01:41,660 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:01:41,660 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:01:41,661 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:01:41,661 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:01:41,662 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:01:41,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:01:41,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:01:41,664 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:01:41,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:01:41,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:01:41,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:01:41,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:01:41,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:01:41,667 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:01:41,668 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 19:01:41,668 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 19:01:41,669 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:01:41,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:01:41,670 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:01:41,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:01:41,670 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 19:01:41,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:01:41,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:01:41,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:01:41,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:01:41,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:01:41,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:01:41,672 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 19:01:41,673 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 19:01:41,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:01:41,673 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:01:41,673 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:01:41,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:01:41,674 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_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de49c1024f75bd42c2ba216013cadd33badabb9f8344d56ad458104a753e6c94 [2023-12-02 19:01:41,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:01:41,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:01:41,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:01:41,992 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:01:41,992 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:01:41,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-30.i [2023-12-02 19:01:44,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:01:45,110 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:01:45,111 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-30.i [2023-12-02 19:01:45,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/data/b14de0643/4566c6202a7148068a42cc72efc98a9f/FLAGce3d79ed8 [2023-12-02 19:01:45,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/data/b14de0643/4566c6202a7148068a42cc72efc98a9f [2023-12-02 19:01:45,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:01:45,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:01:45,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:01:45,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:01:45,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:01:45,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:01:45" (1/1) ... [2023-12-02 19:01:45,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@748930a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:45, skipping insertion in model container [2023-12-02 19:01:45,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:01:45" (1/1) ... [2023-12-02 19:01:45,188 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:01:45,343 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_1c62f9fd-f5d8-4076-9014-64559165e965/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-30.i[916,929] [2023-12-02 19:01:45,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:01:45,437 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:01:45,450 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_1c62f9fd-f5d8-4076-9014-64559165e965/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-30.i[916,929] [2023-12-02 19:01:45,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:01:45,510 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:01:45,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:45 WrapperNode [2023-12-02 19:01:45,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:01:45,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:01:45,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:01:45,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:01:45,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:45" (1/1) ... [2023-12-02 19:01:45,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:45" (1/1) ... [2023-12-02 19:01:45,567 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2023-12-02 19:01:45,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:01:45,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:01:45,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:01:45,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:01:45,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:45" (1/1) ... [2023-12-02 19:01:45,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:45" (1/1) ... [2023-12-02 19:01:45,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:45" (1/1) ... [2023-12-02 19:01:45,585 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:45" (1/1) ... [2023-12-02 19:01:45,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:45" (1/1) ... [2023-12-02 19:01:45,603 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:45" (1/1) ... [2023-12-02 19:01:45,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:45" (1/1) ... [2023-12-02 19:01:45,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:45" (1/1) ... [2023-12-02 19:01:45,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:01:45,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:01:45,615 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:01:45,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:01:45,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:45" (1/1) ... [2023-12-02 19:01:45,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:01:45,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:01:45,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:01:45,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:01:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:01:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 19:01:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:01:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:01:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:01:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:01:45,785 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:01:45,788 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:01:49,531 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:01:49,585 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:01:49,586 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:01:49,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:01:49 BoogieIcfgContainer [2023-12-02 19:01:49,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:01:49,589 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:01:49,590 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:01:49,593 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:01:49,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:01:45" (1/3) ... [2023-12-02 19:01:49,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d3a9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:01:49, skipping insertion in model container [2023-12-02 19:01:49,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:45" (2/3) ... [2023-12-02 19:01:49,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d3a9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:01:49, skipping insertion in model container [2023-12-02 19:01:49,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:01:49" (3/3) ... [2023-12-02 19:01:49,597 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-30.i [2023-12-02 19:01:49,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:01:49,614 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:01:49,656 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:01:49,661 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;@91bc0bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:01:49,662 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:01:49,666 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 46 states have (on average 1.5) internal successors, (69), 47 states have internal predecessors, (69), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 19:01:49,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 19:01:49,680 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:01:49,681 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:01:49,682 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:01:49,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:01:49,686 INFO L85 PathProgramCache]: Analyzing trace with hash 225881828, now seen corresponding path program 1 times [2023-12-02 19:01:49,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:01:49,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007614045] [2023-12-02 19:01:49,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:01:49,699 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:01:49,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:01:49,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:01:49,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 19:01:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:01:50,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 19:01:50,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:01:50,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 550 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2023-12-02 19:01:50,245 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:01:50,246 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:01:50,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007614045] [2023-12-02 19:01:50,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1007614045] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:01:50,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:01:50,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:01:50,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976039054] [2023-12-02 19:01:50,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:01:50,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:01:50,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:01:50,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:01:50,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:01:50,285 INFO L87 Difference]: Start difference. First operand has 73 states, 46 states have (on average 1.5) internal successors, (69), 47 states have internal predecessors, (69), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-02 19:01:52,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:01:52,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:01:52,415 INFO L93 Difference]: Finished difference Result 142 states and 254 transitions. [2023-12-02 19:01:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 19:01:52,440 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 154 [2023-12-02 19:01:52,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:01:52,448 INFO L225 Difference]: With dead ends: 142 [2023-12-02 19:01:52,448 INFO L226 Difference]: Without dead ends: 70 [2023-12-02 19:01:52,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:01:52,454 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:01:52,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 19:01:52,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-12-02 19:01:52,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-12-02 19:01:52,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 44 states have internal predecessors, (60), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 19:01:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 108 transitions. [2023-12-02 19:01:52,501 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 108 transitions. Word has length 154 [2023-12-02 19:01:52,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:01:52,501 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 108 transitions. [2023-12-02 19:01:52,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-02 19:01:52,502 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2023-12-02 19:01:52,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 19:01:52,506 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:01:52,506 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:01:52,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:01:52,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:01:52,707 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:01:52,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:01:52,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1544264024, now seen corresponding path program 1 times [2023-12-02 19:01:52,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:01:52,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105502357] [2023-12-02 19:01:52,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:01:52,709 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:01:52,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:01:52,710 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:01:52,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 19:01:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:01:53,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 19:01:53,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:01:53,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-02 19:01:53,716 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:01:53,716 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:01:53,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105502357] [2023-12-02 19:01:53,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105502357] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:01:53,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:01:53,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:01:53,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632451442] [2023-12-02 19:01:53,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:01:53,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:01:53,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:01:53,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:01:53,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:01:53,721 INFO L87 Difference]: Start difference. First operand 70 states and 108 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 19:01:56,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:01:58,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:02:00,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:02:02,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:02:03,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:02:04,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:02:04,089 INFO L93 Difference]: Finished difference Result 246 states and 377 transitions. [2023-12-02 19:02:04,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 19:02:04,115 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 154 [2023-12-02 19:02:04,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:02:04,118 INFO L225 Difference]: With dead ends: 246 [2023-12-02 19:02:04,118 INFO L226 Difference]: Without dead ends: 177 [2023-12-02 19:02:04,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:02:04,120 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 128 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 57 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-12-02 19:02:04,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 346 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 17 Invalid, 4 Unknown, 0 Unchecked, 10.3s Time] [2023-12-02 19:02:04,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-12-02 19:02:04,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 128. [2023-12-02 19:02:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 77 states have (on average 1.2857142857142858) internal successors, (99), 77 states have internal predecessors, (99), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-02 19:02:04,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 195 transitions. [2023-12-02 19:02:04,170 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 195 transitions. Word has length 154 [2023-12-02 19:02:04,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:02:04,172 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 195 transitions. [2023-12-02 19:02:04,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 19:02:04,172 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 195 transitions. [2023-12-02 19:02:04,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-02 19:02:04,175 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:02:04,176 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:02:04,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 19:02:04,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:02:04,381 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:02:04,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:02:04,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1921972196, now seen corresponding path program 1 times [2023-12-02 19:02:04,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:02:04,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1093311562] [2023-12-02 19:02:04,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:02:04,383 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:02:04,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:02:04,384 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:02:04,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 19:02:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:02:04,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 19:02:04,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:02:05,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 534 proven. 33 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2023-12-02 19:02:05,372 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:02:05,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 99 proven. 36 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-12-02 19:02:05,941 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:02:05,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1093311562] [2023-12-02 19:02:05,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1093311562] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:02:05,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1401575770] [2023-12-02 19:02:05,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:02:05,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 19:02:05,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 19:02:05,944 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 19:02:05,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 19:02:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:02:07,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 19:02:07,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:02:09,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 21 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-12-02 19:02:09,101 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:02:10,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 19:02:10,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1401575770] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:02:10,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434562855] [2023-12-02 19:02:10,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:02:10,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:02:10,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:02:10,060 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:02:10,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 19:02:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:02:10,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 19:02:10,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:02:10,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 21 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-12-02 19:02:10,685 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:02:10,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 19:02:10,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434562855] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:02:10,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 19:02:10,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8, 9, 8, 8] total 25 [2023-12-02 19:02:10,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089033746] [2023-12-02 19:02:10,885 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 19:02:10,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 19:02:10,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:02:10,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 19:02:10,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2023-12-02 19:02:10,889 INFO L87 Difference]: Start difference. First operand 128 states and 195 transitions. Second operand has 25 states, 25 states have (on average 4.36) internal successors, (109), 25 states have internal predecessors, (109), 5 states have call successors, (65), 5 states have call predecessors, (65), 10 states have return successors, (68), 5 states have call predecessors, (68), 5 states have call successors, (68) [2023-12-02 19:02:15,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:02:17,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:02:21,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:02:22,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:02:22,265 INFO L93 Difference]: Finished difference Result 295 states and 428 transitions. [2023-12-02 19:02:22,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 19:02:22,266 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.36) internal successors, (109), 25 states have internal predecessors, (109), 5 states have call successors, (65), 5 states have call predecessors, (65), 10 states have return successors, (68), 5 states have call predecessors, (68), 5 states have call successors, (68) Word has length 155 [2023-12-02 19:02:22,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:02:22,268 INFO L225 Difference]: With dead ends: 295 [2023-12-02 19:02:22,269 INFO L226 Difference]: Without dead ends: 168 [2023-12-02 19:02:22,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 953 GetRequests, 900 SyntacticMatches, 4 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=596, Invalid=1954, Unknown=0, NotChecked=0, Total=2550 [2023-12-02 19:02:22,272 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 692 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 435 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 435 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2023-12-02 19:02:22,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 393 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [435 Valid, 550 Invalid, 3 Unknown, 0 Unchecked, 10.2s Time] [2023-12-02 19:02:22,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-12-02 19:02:22,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 78. [2023-12-02 19:02:22,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 50 states have (on average 1.22) internal successors, (61), 50 states have internal predecessors, (61), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 19:02:22,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2023-12-02 19:02:22,287 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 155 [2023-12-02 19:02:22,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:02:22,288 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2023-12-02 19:02:22,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.36) internal successors, (109), 25 states have internal predecessors, (109), 5 states have call successors, (65), 5 states have call predecessors, (65), 10 states have return successors, (68), 5 states have call predecessors, (68), 5 states have call successors, (68) [2023-12-02 19:02:22,289 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2023-12-02 19:02:22,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-02 19:02:22,291 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:02:22,292 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:02:22,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 19:02:22,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 19:02:22,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 19:02:22,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:02:22,893 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:02:22,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:02:22,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1392197995, now seen corresponding path program 1 times [2023-12-02 19:02:22,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:02:22,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1551882449] [2023-12-02 19:02:22,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:02:22,894 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:02:22,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:02:22,895 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:02:22,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 19:02:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:02:23,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 19:02:23,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:02:27,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 575 proven. 189 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-12-02 19:02:27,416 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:02:31,026 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:02:31,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1551882449] [2023-12-02 19:02:31,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1551882449] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:02:31,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [869468421] [2023-12-02 19:02:31,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:02:31,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 19:02:31,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 19:02:31,028 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 19:02:31,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 19:02:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:02:32,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 19:02:32,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:02:33,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 23 proven. 69 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 19:02:33,701 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:02:34,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [869468421] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:02:34,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796048516] [2023-12-02 19:02:34,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:02:34,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:02:34,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:02:34,699 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:02:34,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 19:02:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:02:34,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 19:02:34,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:02:36,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 23 proven. 69 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-02 19:02:36,565 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:02:38,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796048516] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:02:38,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 19:02:38,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 7, 7] total 28 [2023-12-02 19:02:38,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296227828] [2023-12-02 19:02:38,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 19:02:38,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-02 19:02:38,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:02:38,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-02 19:02:38,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=1052, Unknown=0, NotChecked=0, Total=1332 [2023-12-02 19:02:38,966 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand has 28 states, 28 states have (on average 4.178571428571429) internal successors, (117), 26 states have internal predecessors, (117), 8 states have call successors, (62), 8 states have call predecessors, (62), 9 states have return successors, (63), 6 states have call predecessors, (63), 8 states have call successors, (63) [2023-12-02 19:02:46,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:02:48,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:02:50,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:02:52,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:02:54,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:02:56,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:02:58,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:03:00,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:03:02,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:03:10,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:03:10,701 INFO L93 Difference]: Finished difference Result 304 states and 393 transitions. [2023-12-02 19:03:10,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-02 19:03:10,702 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.178571428571429) internal successors, (117), 26 states have internal predecessors, (117), 8 states have call successors, (62), 8 states have call predecessors, (62), 9 states have return successors, (63), 6 states have call predecessors, (63), 8 states have call successors, (63) Word has length 156 [2023-12-02 19:03:10,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:03:10,704 INFO L225 Difference]: With dead ends: 304 [2023-12-02 19:03:10,704 INFO L226 Difference]: Without dead ends: 227 [2023-12-02 19:03:10,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1314 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=1043, Invalid=3649, Unknown=0, NotChecked=0, Total=4692 [2023-12-02 19:03:10,708 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 272 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 60 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2023-12-02 19:03:10,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 799 Invalid, 1369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1302 Invalid, 7 Unknown, 0 Unchecked, 26.6s Time] [2023-12-02 19:03:10,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2023-12-02 19:03:10,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 100. [2023-12-02 19:03:10,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 67 states have (on average 1.164179104477612) internal successors, (78), 67 states have internal predecessors, (78), 24 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 19:03:10,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 126 transitions. [2023-12-02 19:03:10,742 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 126 transitions. Word has length 156 [2023-12-02 19:03:10,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:03:10,743 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 126 transitions. [2023-12-02 19:03:10,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.178571428571429) internal successors, (117), 26 states have internal predecessors, (117), 8 states have call successors, (62), 8 states have call predecessors, (62), 9 states have return successors, (63), 6 states have call predecessors, (63), 8 states have call successors, (63) [2023-12-02 19:03:10,743 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 126 transitions. [2023-12-02 19:03:10,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-02 19:03:10,746 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:03:10,746 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:03:10,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 19:03:10,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-02 19:03:11,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 19:03:11,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:03:11,347 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:03:11,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:03:11,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1449456297, now seen corresponding path program 1 times [2023-12-02 19:03:11,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:03:11,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557961604] [2023-12-02 19:03:11,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:03:11,348 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:03:11,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:03:11,349 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:03:11,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c62f9fd-f5d8-4076-9014-64559165e965/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-02 19:03:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:03:11,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-02 19:03:11,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:04:13,591 WARN L293 SmtUtils]: Spent 16.14s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:04:56,955 WARN L293 SmtUtils]: Spent 16.03s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:05:56,452 WARN L293 SmtUtils]: Spent 15.71s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:07:25,793 WARN L293 SmtUtils]: Spent 18.80s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:08:17,760 WARN L293 SmtUtils]: Spent 18.11s on a formula simplification that was a NOOP. DAG size: 102 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:09:12,244 WARN L293 SmtUtils]: Spent 18.84s on a formula simplification that was a NOOP. DAG size: 102 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:10:16,985 WARN L293 SmtUtils]: Spent 22.03s on a formula simplification that was a NOOP. DAG size: 106 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:11:28,307 WARN L293 SmtUtils]: Spent 29.13s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)