./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/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_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/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_63134796-4abb-4673-b5d1-f55ac851e905/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 8f39a643f22ae6a969f3152e803acce766bca4faf2460b525aae6f1c0743c647 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:21:35,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:21:35,531 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:21:35,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:21:35,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:21:35,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:21:35,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:21:35,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:21:35,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:21:35,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:21:35,562 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:21:35,563 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:21:35,563 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:21:35,564 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:21:35,564 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:21:35,565 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:21:35,565 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:21:35,566 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:21:35,566 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:21:35,567 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:21:35,568 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:21:35,571 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:21:35,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:21:35,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:21:35,572 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:21:35,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:21:35,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:21:35,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:21:35,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:21:35,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:21:35,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:21:35,574 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:21:35,575 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:21:35,575 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:21:35,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:21:35,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:21:35,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:21:35,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:21:35,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:21:35,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:21:35,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:21:35,577 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:21:35,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:21:35,577 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:21:35,577 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:21:35,577 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:21:35,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:21:35,578 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_63134796-4abb-4673-b5d1-f55ac851e905/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f39a643f22ae6a969f3152e803acce766bca4faf2460b525aae6f1c0743c647 [2023-12-02 14:21:35,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:21:35,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:21:35,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:21:35,793 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:21:35,793 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:21:35,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-32.i [2023-12-02 14:21:38,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:21:38,774 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:21:38,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-32.i [2023-12-02 14:21:38,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/data/f14dbca48/8442849771f443b6935c39f017a22f8b/FLAG53b5dbe69 [2023-12-02 14:21:38,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/data/f14dbca48/8442849771f443b6935c39f017a22f8b [2023-12-02 14:21:38,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:21:38,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:21:38,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:21:38,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:21:38,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:21:38,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:21:38" (1/1) ... [2023-12-02 14:21:38,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c128630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:38, skipping insertion in model container [2023-12-02 14:21:38,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:21:38" (1/1) ... [2023-12-02 14:21:38,847 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:21:38,965 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_63134796-4abb-4673-b5d1-f55ac851e905/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-32.i[916,929] [2023-12-02 14:21:39,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:21:39,053 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:21:39,063 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_63134796-4abb-4673-b5d1-f55ac851e905/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-32.i[916,929] [2023-12-02 14:21:39,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:21:39,117 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:21:39,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:39 WrapperNode [2023-12-02 14:21:39,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:21:39,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:21:39,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:21:39,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:21:39,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:39" (1/1) ... [2023-12-02 14:21:39,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:39" (1/1) ... [2023-12-02 14:21:39,174 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 222 [2023-12-02 14:21:39,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:21:39,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:21:39,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:21:39,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:21:39,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:39" (1/1) ... [2023-12-02 14:21:39,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:39" (1/1) ... [2023-12-02 14:21:39,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:39" (1/1) ... [2023-12-02 14:21:39,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:39" (1/1) ... [2023-12-02 14:21:39,203 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:39" (1/1) ... [2023-12-02 14:21:39,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:39" (1/1) ... [2023-12-02 14:21:39,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:39" (1/1) ... [2023-12-02 14:21:39,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:39" (1/1) ... [2023-12-02 14:21:39,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:21:39,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:21:39,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:21:39,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:21:39,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:39" (1/1) ... [2023-12-02 14:21:39,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:21:39,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:21:39,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:21:39,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:21:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:21:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:21:39,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:21:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:21:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:21:39,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:21:39,384 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:21:39,387 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:21:39,779 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:21:40,112 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:21:40,112 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:21:40,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:21:40 BoogieIcfgContainer [2023-12-02 14:21:40,114 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:21:40,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:21:40,118 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:21:40,121 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:21:40,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:21:38" (1/3) ... [2023-12-02 14:21:40,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0b6050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:21:40, skipping insertion in model container [2023-12-02 14:21:40,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:39" (2/3) ... [2023-12-02 14:21:40,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0b6050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:21:40, skipping insertion in model container [2023-12-02 14:21:40,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:21:40" (3/3) ... [2023-12-02 14:21:40,124 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-32.i [2023-12-02 14:21:40,144 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:21:40,144 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:21:40,196 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:21:40,203 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;@717a066c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:21:40,203 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:21:40,207 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 14:21:40,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-02 14:21:40,222 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:21:40,223 INFO L195 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:21:40,224 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:21:40,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:21:40,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1868180803, now seen corresponding path program 1 times [2023-12-02 14:21:40,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:21:40,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809505555] [2023-12-02 14:21:40,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:21:40,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:21:40,418 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:21:40,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [373118058] [2023-12-02 14:21:40,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:21:40,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:21:40,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:21:40,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:21:40,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:21:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:21:41,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:21:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:21:41,687 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 14:21:41,689 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:21:41,690 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:21:41,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:21:41,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 14:21:41,896 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 14:21:41,899 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:21:42,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:21:42 BoogieIcfgContainer [2023-12-02 14:21:42,017 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:21:42,017 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:21:42,017 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:21:42,018 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:21:42,018 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:21:40" (3/4) ... [2023-12-02 14:21:42,020 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:21:42,021 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:21:42,023 INFO L158 Benchmark]: Toolchain (without parser) took 3222.31ms. Allocated memory was 161.5MB in the beginning and 232.8MB in the end (delta: 71.3MB). Free memory was 120.5MB in the beginning and 109.9MB in the end (delta: 10.6MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2023-12-02 14:21:42,023 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:21:42,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.10ms. Allocated memory is still 161.5MB. Free memory was 119.9MB in the beginning and 104.4MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 14:21:42,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.57ms. Allocated memory is still 161.5MB. Free memory was 103.8MB in the beginning and 100.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:21:42,025 INFO L158 Benchmark]: Boogie Preprocessor took 43.50ms. Allocated memory is still 161.5MB. Free memory was 100.2MB in the beginning and 98.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:21:42,026 INFO L158 Benchmark]: RCFGBuilder took 895.16ms. Allocated memory was 161.5MB in the beginning and 232.8MB in the end (delta: 71.3MB). Free memory was 97.5MB in the beginning and 172.8MB in the end (delta: -75.4MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2023-12-02 14:21:42,026 INFO L158 Benchmark]: TraceAbstraction took 1899.34ms. Allocated memory is still 232.8MB. Free memory was 171.8MB in the beginning and 109.9MB in the end (delta: 61.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-02 14:21:42,027 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 232.8MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:21:42,030 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.10ms. Allocated memory is still 161.5MB. Free memory was 119.9MB in the beginning and 104.4MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.57ms. Allocated memory is still 161.5MB. Free memory was 103.8MB in the beginning and 100.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.50ms. Allocated memory is still 161.5MB. Free memory was 100.2MB in the beginning and 98.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 895.16ms. Allocated memory was 161.5MB in the beginning and 232.8MB in the end (delta: 71.3MB). Free memory was 97.5MB in the beginning and 172.8MB in the end (delta: -75.4MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1899.34ms. Allocated memory is still 232.8MB. Free memory was 171.8MB in the beginning and 109.9MB in the end (delta: 61.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 232.8MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryArithmeticDOUBLEoperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 208, overapproximation of someUnaryFLOAToperation at line 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] unsigned char var_1_5 = 0; [L27] unsigned short int var_1_6 = 4; [L28] signed char var_1_9 = 4; [L29] signed char var_1_10 = 2; [L30] signed char var_1_11 = 4; [L31] signed char var_1_12 = -25; [L32] signed char var_1_13 = 8; [L33] signed char var_1_14 = 50; [L34] signed char var_1_15 = 32; [L35] signed char var_1_16 = 64; [L36] double var_1_17 = 4.775; [L37] unsigned long int var_1_18 = 0; [L38] unsigned long int var_1_19 = 3621235500; [L39] signed char var_1_20 = 50; [L40] unsigned long int var_1_21 = 0; [L41] unsigned long int var_1_22 = 2941649671; [L42] float var_1_23 = 9.5; [L43] float var_1_24 = 255.4; [L44] unsigned short int var_1_25 = 128; [L45] unsigned short int var_1_26 = 44368; [L46] unsigned short int var_1_27 = 128; [L47] unsigned short int var_1_28 = 28714; [L48] unsigned long int var_1_29 = 128; [L49] signed long int var_1_30 = -128; [L50] signed long int var_1_31 = 1177635702; [L51] signed long int var_1_32 = 1100114658; [L52] unsigned char last_1_var_1_1 = 0; [L53] signed char last_1_var_1_9 = 4; [L54] unsigned long int last_1_var_1_18 = 0; [L55] unsigned short int last_1_var_1_25 = 128; [L212] isInitial = 1 [L213] FCALL initially() [L214] COND TRUE 1 [L215] CALL updateLastVariables() [L202] last_1_var_1_1 = var_1_1 [L203] last_1_var_1_9 = var_1_9 [L204] last_1_var_1_18 = var_1_18 [L205] last_1_var_1_25 = var_1_25 [L215] RET updateLastVariables() [L216] CALL updateVariables() [L147] var_1_2 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L149] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L150] var_1_3 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L152] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L153] var_1_4 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_5=0, var_1_6=4, var_1_9=4] [L155] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L156] var_1_5 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L158] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L159] var_1_10 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L161] CALL assume_abort_if_not(var_1_10 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_10 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L162] var_1_11 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L164] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L165] var_1_12 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L167] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L168] var_1_13 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L170] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L171] var_1_14 = __VERIFIER_nondet_char() [L172] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L173] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L174] var_1_15 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L176] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L177] var_1_16 = __VERIFIER_nondet_char() [L178] CALL assume_abort_if_not(var_1_16 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_16 >= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L179] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L180] var_1_19 = __VERIFIER_nondet_ulong() [L181] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L182] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L183] var_1_22 = __VERIFIER_nondet_ulong() [L184] CALL assume_abort_if_not(var_1_22 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_22 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L185] CALL assume_abort_if_not(var_1_22 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_22 <= 4294967295) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L186] var_1_24 = __VERIFIER_nondet_float() [L187] CALL assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L188] var_1_26 = __VERIFIER_nondet_ushort() [L189] CALL assume_abort_if_not(var_1_26 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_26 >= 32767) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L190] CALL assume_abort_if_not(var_1_26 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_26 <= 65534) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L191] var_1_28 = __VERIFIER_nondet_ushort() [L192] CALL assume_abort_if_not(var_1_28 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_28 >= 16383) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L193] CALL assume_abort_if_not(var_1_28 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_28 <= 32767) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L194] var_1_31 = __VERIFIER_nondet_long() [L195] CALL assume_abort_if_not(var_1_31 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_31 >= 1073741823) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L196] CALL assume_abort_if_not(var_1_31 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_31 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L197] var_1_32 = __VERIFIER_nondet_long() [L198] CALL assume_abort_if_not(var_1_32 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1073758215, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not(var_1_32 >= 1073741823) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1073758215, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L199] CALL assume_abort_if_not(var_1_32 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1073758215, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not(var_1_32 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1073758215, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L216] RET updateVariables() [L217] CALL step() [L59] COND FALSE !(\read(last_1_var_1_1)) [L70] COND FALSE !(\read(var_1_3)) [L73] COND FALSE !(last_1_var_1_25 >= (16u * var_1_11)) [L76] var_1_25 = var_1_18 [L79] COND TRUE \read(var_1_2) [L80] var_1_1 = ((! (var_1_3 || var_1_4)) && var_1_5) [L84] COND TRUE (((((var_1_14 / var_1_16)) > (var_1_10)) ? ((var_1_14 / var_1_16)) : (var_1_10))) > var_1_11 [L85] var_1_17 = (8.25 - 255.8) [L87] signed char stepLocal_2 = var_1_14; [L88] signed char stepLocal_1 = var_1_15; [L89] COND TRUE stepLocal_2 <= var_1_16 [L90] var_1_20 = var_1_16 [L98] signed char stepLocal_5 = var_1_12; [L99] signed char stepLocal_4 = var_1_14; [L100] signed long int stepLocal_3 = var_1_25 * var_1_13; [L101] COND TRUE stepLocal_5 <= var_1_10 [L102] COND TRUE stepLocal_3 == var_1_15 [L103] var_1_23 = ((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))) [L112] var_1_27 = ((var_1_28 - var_1_13) + var_1_16) [L113] COND TRUE \read(var_1_1) [L114] var_1_29 = var_1_19 [L116] COND TRUE ((((var_1_19) > (var_1_27)) ? (var_1_19) : (var_1_27))) <= (var_1_22 - 4u) [L117] var_1_21 = var_1_13 [L121] COND FALSE !(var_1_26 > ((((38760 - var_1_21) < 0 ) ? -(38760 - var_1_21) : (38760 - var_1_21)))) [L124] COND FALSE !(var_1_10 == (var_1_14 - var_1_16)) [L127] var_1_30 = var_1_27 [L130] unsigned char stepLocal_0 = var_1_5; [L131] COND FALSE !((var_1_30 >= var_1_29) && stepLocal_0) [L134] COND FALSE !(! (! (var_1_29 < var_1_30))) [L138] COND TRUE var_1_27 > last_1_var_1_9 [L139] COND FALSE !(var_1_6 > (var_1_27 * last_1_var_1_9)) [L142] var_1_9 = ((((var_1_15) > ((var_1_13 - (var_1_16 - var_1_11)))) ? (var_1_15) : ((var_1_13 - (var_1_16 - var_1_11))))) [L217] RET step() [L218] CALL, EXPR property() [L208-L209] return (((((((((((var_1_2 ? (var_1_1 == ((unsigned char) ((! (var_1_3 || var_1_4)) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_4))) && (((var_1_30 >= var_1_29) && var_1_5) ? (var_1_6 == ((unsigned short int) var_1_29)) : ((! (! (var_1_29 < var_1_30))) ? (var_1_6 == ((unsigned short int) (var_1_29 + var_1_30))) : 1))) && ((var_1_27 > last_1_var_1_9) ? ((var_1_6 > (var_1_27 * last_1_var_1_9)) ? (var_1_9 == ((signed char) ((var_1_10 - var_1_11) + ((((var_1_12) > ((var_1_13 - var_1_14))) ? (var_1_12) : ((var_1_13 - var_1_14))))))) : (var_1_9 == ((signed char) ((((var_1_15) > ((var_1_13 - (var_1_16 - var_1_11)))) ? (var_1_15) : ((var_1_13 - (var_1_16 - var_1_11)))))))) : 1)) && (((((((var_1_14 / var_1_16)) > (var_1_10)) ? ((var_1_14 / var_1_16)) : (var_1_10))) > var_1_11) ? (var_1_17 == ((double) (8.25 - 255.8))) : 1)) && (last_1_var_1_1 ? (last_1_var_1_1 ? (var_1_18 == ((unsigned long int) last_1_var_1_18)) : ((((var_1_12 + last_1_var_1_18) * last_1_var_1_18) >= last_1_var_1_25) ? (var_1_18 == ((unsigned long int) (var_1_19 - var_1_16))) : (var_1_18 == ((unsigned long int) var_1_13)))) : 1)) && ((var_1_14 <= var_1_16) ? (var_1_20 == ((signed char) var_1_16)) : ((var_1_15 <= var_1_12) ? (var_1_20 == ((signed char) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : (var_1_20 == ((signed char) var_1_11))))) && ((((((var_1_19) > (var_1_27)) ? (var_1_19) : (var_1_27))) <= (var_1_22 - 4u)) ? (var_1_21 == ((unsigned long int) var_1_13)) : (var_1_21 == ((unsigned long int) var_1_14)))) && ((var_1_12 <= var_1_10) ? (((var_1_25 * var_1_13) == var_1_15) ? (var_1_23 == ((float) ((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))))) : ((0 >= var_1_14) ? (var_1_23 == ((float) var_1_24)) : (var_1_23 == ((float) var_1_24)))) : 1)) && (var_1_3 ? (var_1_25 == ((unsigned short int) ((((var_1_18) < ((var_1_26 - var_1_13))) ? (var_1_18) : ((var_1_26 - var_1_13)))))) : ((last_1_var_1_25 >= (16u * var_1_11)) ? (var_1_25 == ((unsigned short int) var_1_26)) : (var_1_25 == ((unsigned short int) var_1_18))))) && (var_1_27 == ((unsigned short int) ((var_1_28 - var_1_13) + var_1_16)))) && (var_1_1 ? (var_1_29 == ((unsigned long int) var_1_19)) : 1)) && ((var_1_26 > ((((38760 - var_1_21) < 0 ) ? -(38760 - var_1_21) : (38760 - var_1_21)))) ? (var_1_30 == ((signed long int) (((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) - (((((var_1_31 - var_1_18)) > ((var_1_32 - var_1_27))) ? ((var_1_31 - var_1_18)) : ((var_1_32 - var_1_27))))))) : ((var_1_10 == (var_1_14 - var_1_16)) ? (var_1_30 == ((signed long int) -1)) : (var_1_30 == ((signed long int) var_1_27)))) ; [L218] RET, EXPR property() [L218] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=0, var_1_18=0, var_1_19=2147483647, var_1_1=1, var_1_20=72, var_1_21=63, var_1_22=2147483651, var_1_23=2, var_1_24=0, var_1_25=0, var_1_26=38697, var_1_27=16392, var_1_28=16383, var_1_29=2147483647, var_1_2=1, var_1_30=16392, var_1_31=1073741823, var_1_32=1073758215, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=0, var_1_18=0, var_1_19=2147483647, var_1_1=1, var_1_20=72, var_1_21=63, var_1_22=2147483651, var_1_23=2, var_1_24=0, var_1_25=0, var_1_26=38697, var_1_27=16392, var_1_28=16383, var_1_29=2147483647, var_1_2=1, var_1_30=16392, var_1_31=1073741823, var_1_32=1073758215, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 35, 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=62occurred 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, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 14:21:42,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/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_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/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_63134796-4abb-4673-b5d1-f55ac851e905/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 8f39a643f22ae6a969f3152e803acce766bca4faf2460b525aae6f1c0743c647 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:21:44,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:21:44,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 14:21:44,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:21:44,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:21:44,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:21:44,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:21:44,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:21:44,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:21:44,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:21:44,116 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:21:44,117 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:21:44,117 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:21:44,118 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:21:44,118 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:21:44,119 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:21:44,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:21:44,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:21:44,121 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:21:44,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:21:44,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:21:44,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:21:44,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:21:44,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:21:44,124 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:21:44,124 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:21:44,125 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:21:44,125 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:21:44,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:21:44,126 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:21:44,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:21:44,127 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:21:44,127 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:21:44,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:21:44,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:21:44,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:21:44,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:21:44,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:21:44,128 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:21:44,129 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:21:44,129 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:21:44,129 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:21:44,129 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:21:44,130 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:21:44,130 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_63134796-4abb-4673-b5d1-f55ac851e905/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f39a643f22ae6a969f3152e803acce766bca4faf2460b525aae6f1c0743c647 [2023-12-02 14:21:44,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:21:44,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:21:44,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:21:44,423 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:21:44,423 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:21:44,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-32.i [2023-12-02 14:21:47,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:21:47,425 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:21:47,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-32.i [2023-12-02 14:21:47,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/data/62ca74136/cd851d1d0c244bf193f519a63c7a6976/FLAG970bb4fb5 [2023-12-02 14:21:47,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/data/62ca74136/cd851d1d0c244bf193f519a63c7a6976 [2023-12-02 14:21:47,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:21:47,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:21:47,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:21:47,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:21:47,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:21:47,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:21:47" (1/1) ... [2023-12-02 14:21:47,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4b9d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:47, skipping insertion in model container [2023-12-02 14:21:47,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:21:47" (1/1) ... [2023-12-02 14:21:47,505 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:21:47,630 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_63134796-4abb-4673-b5d1-f55ac851e905/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-32.i[916,929] [2023-12-02 14:21:47,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:21:47,720 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:21:47,731 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_63134796-4abb-4673-b5d1-f55ac851e905/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-32.i[916,929] [2023-12-02 14:21:47,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:21:47,791 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:21:47,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:47 WrapperNode [2023-12-02 14:21:47,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:21:47,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:21:47,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:21:47,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:21:47,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:47" (1/1) ... [2023-12-02 14:21:47,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:47" (1/1) ... [2023-12-02 14:21:47,842 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 213 [2023-12-02 14:21:47,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:21:47,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:21:47,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:21:47,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:21:47,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:47" (1/1) ... [2023-12-02 14:21:47,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:47" (1/1) ... [2023-12-02 14:21:47,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:47" (1/1) ... [2023-12-02 14:21:47,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:47" (1/1) ... [2023-12-02 14:21:47,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:47" (1/1) ... [2023-12-02 14:21:47,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:47" (1/1) ... [2023-12-02 14:21:47,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:47" (1/1) ... [2023-12-02 14:21:47,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:47" (1/1) ... [2023-12-02 14:21:47,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:21:47,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:21:47,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:21:47,892 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:21:47,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:47" (1/1) ... [2023-12-02 14:21:47,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:21:47,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:21:47,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:21:47,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:21:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:21:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 14:21:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:21:47,958 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:21:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:21:47,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:21:48,051 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:21:48,054 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:21:48,982 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:21:49,032 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:21:49,033 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:21:49,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:21:49 BoogieIcfgContainer [2023-12-02 14:21:49,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:21:49,036 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:21:49,036 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:21:49,040 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:21:49,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:21:47" (1/3) ... [2023-12-02 14:21:49,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b68bec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:21:49, skipping insertion in model container [2023-12-02 14:21:49,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:47" (2/3) ... [2023-12-02 14:21:49,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b68bec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:21:49, skipping insertion in model container [2023-12-02 14:21:49,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:21:49" (3/3) ... [2023-12-02 14:21:49,043 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-32.i [2023-12-02 14:21:49,062 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:21:49,063 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:21:49,112 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:21:49,119 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;@228c5d12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:21:49,119 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:21:49,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 14:21:49,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-12-02 14:21:49,138 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:21:49,139 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:21:49,140 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:21:49,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:21:49,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1243266803, now seen corresponding path program 1 times [2023-12-02 14:21:49,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:21:49,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266191052] [2023-12-02 14:21:49,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:21:49,161 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:21:49,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:21:49,163 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:21:49,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 14:21:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:21:49,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 14:21:49,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:21:49,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1124 proven. 0 refuted. 0 times theorem prover too weak. 1256 trivial. 0 not checked. [2023-12-02 14:21:49,600 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:21:49,601 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:21:49,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266191052] [2023-12-02 14:21:49,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [266191052] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:21:49,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:21:49,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:21:49,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694601840] [2023-12-02 14:21:49,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:21:49,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 14:21:49,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:21:49,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 14:21:49,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:21:49,647 INFO L87 Difference]: Start difference. First operand has 90 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 14:21:49,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:21:49,913 INFO L93 Difference]: Finished difference Result 177 states and 327 transitions. [2023-12-02 14:21:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 14:21:49,930 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 213 [2023-12-02 14:21:49,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:21:49,937 INFO L225 Difference]: With dead ends: 177 [2023-12-02 14:21:49,938 INFO L226 Difference]: Without dead ends: 88 [2023-12-02 14:21:49,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:21:49,946 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:21:49,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 14:21:49,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-02 14:21:49,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-12-02 14:21:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 14:21:49,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 142 transitions. [2023-12-02 14:21:49,994 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 142 transitions. Word has length 213 [2023-12-02 14:21:49,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:21:49,994 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 142 transitions. [2023-12-02 14:21:49,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 14:21:49,995 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 142 transitions. [2023-12-02 14:21:50,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-12-02 14:21:50,001 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:21:50,001 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:21:50,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:21:50,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:21:50,202 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:21:50,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:21:50,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1775572465, now seen corresponding path program 1 times [2023-12-02 14:21:50,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:21:50,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641001742] [2023-12-02 14:21:50,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:21:50,205 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:21:50,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:21:50,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:21:50,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 14:21:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:21:50,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 14:21:50,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:21:51,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 412 proven. 93 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked. [2023-12-02 14:21:51,140 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:21:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 9 proven. 93 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 14:21:51,505 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:21:51,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1641001742] [2023-12-02 14:21:51,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1641001742] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:21:51,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [323836004] [2023-12-02 14:21:51,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:21:51,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:21:51,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:21:51,508 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:21:51,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 14:21:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:21:52,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 14:21:52,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:21:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 412 proven. 93 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked. [2023-12-02 14:21:52,789 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:21:53,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 9 proven. 93 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 14:21:53,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [323836004] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:21:53,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112327232] [2023-12-02 14:21:53,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:21:53,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:21:53,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:21:53,091 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:21:53,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 14:21:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:21:53,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 14:21:53,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:21:53,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 412 proven. 93 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked. [2023-12-02 14:21:53,875 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:21:54,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 9 proven. 93 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 14:21:54,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112327232] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:21:54,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 14:21:54,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-12-02 14:21:54,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370592992] [2023-12-02 14:21:54,149 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 14:21:54,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 14:21:54,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:21:54,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 14:21:54,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 14:21:54,154 INFO L87 Difference]: Start difference. First operand 88 states and 142 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2023-12-02 14:21:54,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:21:54,770 INFO L93 Difference]: Finished difference Result 183 states and 290 transitions. [2023-12-02 14:21:54,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 14:21:54,783 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 213 [2023-12-02 14:21:54,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:21:54,786 INFO L225 Difference]: With dead ends: 183 [2023-12-02 14:21:54,786 INFO L226 Difference]: Without dead ends: 96 [2023-12-02 14:21:54,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1276 GetRequests, 1264 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-02 14:21:54,788 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 107 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 14:21:54,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 225 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 14:21:54,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-12-02 14:21:54,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2023-12-02 14:21:54,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 14:21:54,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 144 transitions. [2023-12-02 14:21:54,808 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 144 transitions. Word has length 213 [2023-12-02 14:21:54,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:21:54,809 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 144 transitions. [2023-12-02 14:21:54,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2023-12-02 14:21:54,810 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 144 transitions. [2023-12-02 14:21:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-02 14:21:54,814 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:21:54,814 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:21:54,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 14:21:55,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/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)] Forceful destruction successful, exit code 0 [2023-12-02 14:21:55,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 14:21:55,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 14:21:55,421 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:21:55,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:21:55,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1361030547, now seen corresponding path program 1 times [2023-12-02 14:21:55,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:21:55,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962374877] [2023-12-02 14:21:55,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:21:55,423 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:21:55,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:21:55,424 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:21:55,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 14:21:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:21:55,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 14:21:55,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:21:57,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 597 proven. 255 refuted. 0 times theorem prover too weak. 1528 trivial. 0 not checked. [2023-12-02 14:21:57,461 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:21:58,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 33 proven. 264 refuted. 0 times theorem prover too weak. 2083 trivial. 0 not checked. [2023-12-02 14:21:58,292 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:21:58,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962374877] [2023-12-02 14:21:58,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [962374877] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:21:58,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [857083631] [2023-12-02 14:21:58,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:21:58,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:21:58,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:21:58,294 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:21:58,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 14:21:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:21:59,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 14:21:59,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:21:59,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2023-12-02 14:21:59,711 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:22:00,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 15 proven. 87 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 14:22:00,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [857083631] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:22:00,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159924605] [2023-12-02 14:22:00,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:22:00,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:22:00,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:22:00,124 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:22:00,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 14:22:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:22:00,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 14:22:00,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:22:01,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 688 proven. 243 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2023-12-02 14:22:01,857 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:22:02,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 33 proven. 168 refuted. 0 times theorem prover too weak. 2179 trivial. 0 not checked. [2023-12-02 14:22:02,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159924605] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:22:02,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 14:22:02,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 9, 9, 13, 13] total 39 [2023-12-02 14:22:02,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698641512] [2023-12-02 14:22:02,572 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 14:22:02,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-12-02 14:22:02,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:22:02,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-12-02 14:22:02,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1160, Unknown=0, NotChecked=0, Total=1482 [2023-12-02 14:22:02,578 INFO L87 Difference]: Start difference. First operand 92 states and 144 transitions. Second operand has 39 states, 38 states have (on average 4.657894736842105) internal successors, (177), 37 states have internal predecessors, (177), 9 states have call successors, (182), 7 states have call predecessors, (182), 15 states have return successors, (187), 9 states have call predecessors, (187), 9 states have call successors, (187) [2023-12-02 14:22:06,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:22:06,686 INFO L93 Difference]: Finished difference Result 437 states and 632 transitions. [2023-12-02 14:22:06,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-12-02 14:22:06,687 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 4.657894736842105) internal successors, (177), 37 states have internal predecessors, (177), 9 states have call successors, (182), 7 states have call predecessors, (182), 15 states have return successors, (187), 9 states have call predecessors, (187), 9 states have call successors, (187) Word has length 214 [2023-12-02 14:22:06,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:22:06,691 INFO L225 Difference]: With dead ends: 437 [2023-12-02 14:22:06,691 INFO L226 Difference]: Without dead ends: 346 [2023-12-02 14:22:06,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1351 GetRequests, 1244 SyntacticMatches, 4 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3567 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=2315, Invalid=8605, Unknown=0, NotChecked=0, Total=10920 [2023-12-02 14:22:06,698 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 926 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 1722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:22:06,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [956 Valid, 911 Invalid, 1722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [524 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 14:22:06,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2023-12-02 14:22:06,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 121. [2023-12-02 14:22:06,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 78 states have internal predecessors, (103), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2023-12-02 14:22:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2023-12-02 14:22:06,741 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 214 [2023-12-02 14:22:06,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:22:06,742 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2023-12-02 14:22:06,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 4.657894736842105) internal successors, (177), 37 states have internal predecessors, (177), 9 states have call successors, (182), 7 states have call predecessors, (182), 15 states have return successors, (187), 9 states have call predecessors, (187), 9 states have call successors, (187) [2023-12-02 14:22:06,743 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2023-12-02 14:22:06,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-02 14:22:06,747 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:22:06,747 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:22:06,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 14:22:06,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 14:22:07,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 14:22:07,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:22:07,348 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:22:07,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:22:07,349 INFO L85 PathProgramCache]: Analyzing trace with hash 680972177, now seen corresponding path program 1 times [2023-12-02 14:22:07,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:22:07,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [214983013] [2023-12-02 14:22:07,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:22:07,350 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:22:07,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:22:07,351 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:22:07,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/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)] Waiting until timeout for monitored process [2023-12-02 14:22:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:22:07,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 14:22:07,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:22:08,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1396 proven. 60 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-02 14:22:08,946 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:22:09,091 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:22:09,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [214983013] [2023-12-02 14:22:09,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [214983013] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:22:09,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [543367015] [2023-12-02 14:22:09,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:22:09,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:22:09,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:22:09,094 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:22:09,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 14:22:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:22:10,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 14:22:10,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:22:14,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1534 proven. 168 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2023-12-02 14:22:14,188 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:22:14,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [543367015] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:22:14,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249106454] [2023-12-02 14:22:14,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:22:14,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:22:14,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:22:14,650 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:22:14,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 14:22:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:22:14,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 14:22:14,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:22:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1396 proven. 60 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-02 14:22:15,921 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:22:16,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249106454] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:22:16,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:22:16,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 21, 12] total 40 [2023-12-02 14:22:16,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257896766] [2023-12-02 14:22:16,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 14:22:16,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-12-02 14:22:16,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:22:16,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-12-02 14:22:16,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=1891, Unknown=0, NotChecked=0, Total=2162 [2023-12-02 14:22:16,315 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 40 states, 40 states have (on average 3.9) internal successors, (156), 36 states have internal predecessors, (156), 13 states have call successors, (90), 13 states have call predecessors, (90), 18 states have return successors, (91), 13 states have call predecessors, (91), 13 states have call successors, (91) [2023-12-02 14:22:24,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:22:28,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:22:29,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:22:31,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:22:33,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:22:35,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:22:37,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:22:38,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:22:38,716 INFO L93 Difference]: Finished difference Result 405 states and 557 transitions. [2023-12-02 14:22:38,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 14:22:38,732 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 3.9) internal successors, (156), 36 states have internal predecessors, (156), 13 states have call successors, (90), 13 states have call predecessors, (90), 18 states have return successors, (91), 13 states have call predecessors, (91), 13 states have call successors, (91) Word has length 214 [2023-12-02 14:22:38,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:22:38,735 INFO L225 Difference]: With dead ends: 405 [2023-12-02 14:22:38,735 INFO L226 Difference]: Without dead ends: 292 [2023-12-02 14:22:38,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 660 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2086 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=1151, Invalid=5491, Unknown=0, NotChecked=0, Total=6642 [2023-12-02 14:22:38,738 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 641 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 469 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 1907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2023-12-02 14:22:38,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 1015 Invalid, 1907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [469 Valid, 1435 Invalid, 3 Unknown, 0 Unchecked, 15.3s Time] [2023-12-02 14:22:38,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2023-12-02 14:22:38,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 239. [2023-12-02 14:22:38,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 145 states have (on average 1.1724137931034482) internal successors, (170), 146 states have internal predecessors, (170), 70 states have call successors, (70), 23 states have call predecessors, (70), 23 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2023-12-02 14:22:38,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 310 transitions. [2023-12-02 14:22:38,792 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 310 transitions. Word has length 214 [2023-12-02 14:22:38,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:22:38,793 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 310 transitions. [2023-12-02 14:22:38,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.9) internal successors, (156), 36 states have internal predecessors, (156), 13 states have call successors, (90), 13 states have call predecessors, (90), 18 states have return successors, (91), 13 states have call predecessors, (91), 13 states have call successors, (91) [2023-12-02 14:22:38,793 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 310 transitions. [2023-12-02 14:22:38,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-12-02 14:22:38,797 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:22:38,797 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:22:38,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/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)] Forceful destruction successful, exit code 0 [2023-12-02 14:22:39,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 14:22:39,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 14:22:39,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 14:22:39,398 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:22:39,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:22:39,399 INFO L85 PathProgramCache]: Analyzing trace with hash -375298690, now seen corresponding path program 1 times [2023-12-02 14:22:39,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:22:39,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584823612] [2023-12-02 14:22:39,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:22:39,399 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:22:39,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:22:39,400 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:22:39,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63134796-4abb-4673-b5d1-f55ac851e905/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 (12)] Waiting until timeout for monitored process [2023-12-02 14:22:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:22:39,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 72 conjunts are in the unsatisfiable core [2023-12-02 14:22:39,766 INFO L285 TraceCheckSpWp]: Computing forward predicates...