./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-82.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_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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_83fec9f3-6961-4494-b079-d5d37058687b/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 7c8f5fe230251b0646a4f3f0c85d845d3fde215b0ffb42c7fcbe3826db09a269 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:50:34,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:50:34,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 12:50:34,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:50:34,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:50:34,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:50:34,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:50:34,779 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:50:34,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:50:34,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:50:34,781 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:50:34,781 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:50:34,782 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:50:34,782 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:50:34,783 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:50:34,783 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:50:34,784 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:50:34,784 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:50:34,785 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:50:34,785 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:50:34,786 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:50:34,787 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:50:34,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:50:34,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:50:34,788 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:50:34,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:50:34,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:50:34,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:50:34,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:50:34,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:50:34,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:50:34,792 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:50:34,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:50:34,792 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:50:34,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:50:34,793 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:50:34,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:50:34,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:50:34,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:50:34,795 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:50:34,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:50:34,795 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:50:34,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:50:34,796 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:50:34,796 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:50:34,796 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:50:34,797 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:50:34,797 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_83fec9f3-6961-4494-b079-d5d37058687b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c8f5fe230251b0646a4f3f0c85d845d3fde215b0ffb42c7fcbe3826db09a269 [2023-12-02 12:50:35,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:50:35,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:50:35,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:50:35,086 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:50:35,087 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:50:35,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-82.i [2023-12-02 12:50:37,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:50:38,100 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:50:38,100 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-82.i [2023-12-02 12:50:38,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/data/2dd81651e/3f902d79b4f64418b5a3fda17b4e6cb9/FLAGfedbd06d8 [2023-12-02 12:50:38,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/data/2dd81651e/3f902d79b4f64418b5a3fda17b4e6cb9 [2023-12-02 12:50:38,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:50:38,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:50:38,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:50:38,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:50:38,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:50:38,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:50:38" (1/1) ... [2023-12-02 12:50:38,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4f331b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:38, skipping insertion in model container [2023-12-02 12:50:38,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:50:38" (1/1) ... [2023-12-02 12:50:38,170 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:50:38,290 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_83fec9f3-6961-4494-b079-d5d37058687b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-82.i[916,929] [2023-12-02 12:50:38,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:50:38,372 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:50:38,385 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_83fec9f3-6961-4494-b079-d5d37058687b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-82.i[916,929] [2023-12-02 12:50:38,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:50:38,448 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:50:38,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:38 WrapperNode [2023-12-02 12:50:38,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:50:38,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:50:38,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:50:38,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:50:38,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:38" (1/1) ... [2023-12-02 12:50:38,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:38" (1/1) ... [2023-12-02 12:50:38,506 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 208 [2023-12-02 12:50:38,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:50:38,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:50:38,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:50:38,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:50:38,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:38" (1/1) ... [2023-12-02 12:50:38,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:38" (1/1) ... [2023-12-02 12:50:38,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:38" (1/1) ... [2023-12-02 12:50:38,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:38" (1/1) ... [2023-12-02 12:50:38,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:38" (1/1) ... [2023-12-02 12:50:38,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:38" (1/1) ... [2023-12-02 12:50:38,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:38" (1/1) ... [2023-12-02 12:50:38,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:38" (1/1) ... [2023-12-02 12:50:38,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:50:38,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:50:38,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:50:38,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:50:38,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:38" (1/1) ... [2023-12-02 12:50:38,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:50:38,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:50:38,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:50:38,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:50:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:50:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:50:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:50:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:50:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:50:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:50:38,724 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:50:38,727 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:50:39,115 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:50:39,317 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:50:39,317 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:50:39,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:50:39 BoogieIcfgContainer [2023-12-02 12:50:39,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:50:39,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:50:39,321 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:50:39,323 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:50:39,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:50:38" (1/3) ... [2023-12-02 12:50:39,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ce113f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:50:39, skipping insertion in model container [2023-12-02 12:50:39,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:38" (2/3) ... [2023-12-02 12:50:39,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ce113f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:50:39, skipping insertion in model container [2023-12-02 12:50:39,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:50:39" (3/3) ... [2023-12-02 12:50:39,326 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-82.i [2023-12-02 12:50:39,341 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:50:39,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:50:39,384 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:50:39,389 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;@764f738f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:50:39,389 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:50:39,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-02 12:50:39,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-02 12:50:39,405 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:50:39,406 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:50:39,406 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:50:39,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:50:39,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1310730090, now seen corresponding path program 1 times [2023-12-02 12:50:39,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:50:39,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774437785] [2023-12-02 12:50:39,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:50:39,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:50:39,574 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:50:39,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1478726371] [2023-12-02 12:50:39,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:50:39,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:50:39,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:50:39,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:50:39,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:50:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:50:40,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 12:50:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:50:40,299 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 12:50:40,302 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 12:50:40,303 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 12:50:40,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:50:40,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 12:50:40,509 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 12:50:40,512 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 12:50:40,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:50:40 BoogieIcfgContainer [2023-12-02 12:50:40,612 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 12:50:40,613 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 12:50:40,613 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 12:50:40,613 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 12:50:40,613 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:50:39" (3/4) ... [2023-12-02 12:50:40,615 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 12:50:40,617 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 12:50:40,618 INFO L158 Benchmark]: Toolchain (without parser) took 2492.87ms. Allocated memory is still 144.7MB. Free memory was 108.1MB in the beginning and 80.3MB in the end (delta: 27.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-12-02 12:50:40,618 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:50:40,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.99ms. Allocated memory is still 144.7MB. Free memory was 107.6MB in the beginning and 91.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 12:50:40,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.08ms. Allocated memory is still 144.7MB. Free memory was 91.4MB in the beginning and 87.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 12:50:40,620 INFO L158 Benchmark]: Boogie Preprocessor took 46.38ms. Allocated memory is still 144.7MB. Free memory was 87.1MB in the beginning and 84.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 12:50:40,621 INFO L158 Benchmark]: RCFGBuilder took 764.93ms. Allocated memory is still 144.7MB. Free memory was 84.5MB in the beginning and 78.7MB in the end (delta: 5.8MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2023-12-02 12:50:40,621 INFO L158 Benchmark]: TraceAbstraction took 1291.34ms. Allocated memory is still 144.7MB. Free memory was 78.7MB in the beginning and 80.5MB in the end (delta: -1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:50:40,622 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 144.7MB. Free memory was 80.5MB in the beginning and 80.3MB in the end (delta: 267.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:50:40,625 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.99ms. Allocated memory is still 144.7MB. Free memory was 107.6MB in the beginning and 91.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.08ms. Allocated memory is still 144.7MB. Free memory was 91.4MB in the beginning and 87.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.38ms. Allocated memory is still 144.7MB. Free memory was 87.1MB in the beginning and 84.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 764.93ms. Allocated memory is still 144.7MB. Free memory was 84.5MB in the beginning and 78.7MB in the end (delta: 5.8MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1291.34ms. Allocated memory is still 144.7MB. Free memory was 78.7MB in the beginning and 80.5MB in the end (delta: -1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 144.7MB. Free memory was 80.5MB in the beginning and 80.3MB in the end (delta: 267.5kB). 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 63, overapproximation of someBinaryDOUBLEComparisonOperation at line 120, overapproximation of someBinaryArithmeticFLOAToperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 16; [L23] unsigned short int var_1_7 = 16; [L24] unsigned short int var_1_8 = 4; [L25] float var_1_9 = 1.4; [L26] float var_1_10 = 9.7; [L27] float var_1_11 = 16.25; [L28] float var_1_12 = 3.5; [L29] signed char var_1_14 = -64; [L30] signed long int var_1_15 = -10; [L31] signed char var_1_16 = -1; [L32] signed char var_1_17 = 0; [L33] float var_1_18 = 8.25; [L34] float var_1_19 = 0.0; [L35] float var_1_20 = 0.0; [L36] unsigned long int var_1_21 = 0; [L37] signed long int var_1_22 = 1; [L38] float var_1_23 = 256.3; [L39] float var_1_24 = 9.75; [L40] float var_1_25 = 4.5; [L41] float var_1_26 = 24.8; [L42] unsigned char var_1_27 = 0; [L43] unsigned char var_1_28 = 1; [L44] unsigned char var_1_29 = 1; [L45] double var_1_30 = 63.8; [L46] signed long int var_1_31 = 1; [L47] unsigned long int var_1_33 = 16; [L48] unsigned long int var_1_34 = 3896233473; [L49] unsigned long int var_1_35 = 2380878222; [L50] signed short int var_1_36 = -1; [L51] float var_1_37 = 15.8; [L52] unsigned char var_1_38 = 0; [L53] unsigned char var_1_39 = 0; [L54] unsigned long int last_1_var_1_33 = 16; [L197] isInitial = 1 [L198] FCALL initially() [L199] COND TRUE 1 [L200] CALL updateLastVariables() [L190] last_1_var_1_33 = var_1_33 [L200] RET updateLastVariables() [L201] CALL updateVariables() [L138] var_1_7 = __VERIFIER_nondet_ushort() [L139] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_10=97/10, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_8=4, var_1_9=7/5] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_33=16, var_1_10=97/10, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_8=4, var_1_9=7/5] [L140] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_10=97/10, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=4, var_1_9=7/5] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, last_1_var_1_33=16, var_1_10=97/10, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=4, var_1_9=7/5] [L141] var_1_8 = __VERIFIER_nondet_ushort() [L142] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_10=97/10, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_9=7/5] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_33=16, var_1_10=97/10, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_9=7/5] [L143] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_10=97/10, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_33=16, var_1_10=97/10, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L144] var_1_10 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_11=65/4, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L146] var_1_11 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_12=7/2, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L148] var_1_12 = __VERIFIER_nondet_float() [L149] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=-10, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L150] var_1_15 = __VERIFIER_nondet_long() [L151] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L152] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L153] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=-1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L154] var_1_16 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L156] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=0, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L157] var_1_17 = __VERIFIER_nondet_char() [L158] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L159] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L160] var_1_19 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_19 >= 4611686.018427382800e+12F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_19 >= 4611686.018427382800e+12F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L162] var_1_20 = __VERIFIER_nondet_float() [L163] CALL assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_24=39/4, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L164] var_1_24 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_24 >= -230584.3009213691390e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 2305843.009213691390e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_24 >= -230584.3009213691390e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 2305843.009213691390e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_25=9/2, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L166] var_1_25 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_25 >= -230584.3009213691390e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 2305843.009213691390e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_25 >= -230584.3009213691390e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 2305843.009213691390e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_26=124/5, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L168] var_1_26 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_26 >= -230584.3009213691390e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 2305843.009213691390e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_26 >= -230584.3009213691390e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 2305843.009213691390e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L170] var_1_28 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_28 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_28 >= 1) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L172] CALL assume_abort_if_not(var_1_28 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_28 <= 1) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L173] var_1_29 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L175] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=3896233473, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L176] var_1_34 = __VERIFIER_nondet_ulong() [L177] CALL assume_abort_if_not(var_1_34 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294966912, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_34 >= 2147483647) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294966912, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L178] CALL assume_abort_if_not(var_1_34 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294966912, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_34 <= 4294967294) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294966912, var_1_35=2380878222, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L179] var_1_35 = __VERIFIER_nondet_ulong() [L180] CALL assume_abort_if_not(var_1_35 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294966912, var_1_35=4294966911, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_35 >= 2147483647) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294966912, var_1_35=4294966911, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L181] CALL assume_abort_if_not(var_1_35 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294966912, var_1_35=4294966911, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_35 <= 4294967294) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294966912, var_1_35=4294966911, var_1_36=-1, var_1_37=79/5, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L182] var_1_37 = __VERIFIER_nondet_float() [L183] CALL assume_abort_if_not((var_1_37 >= -922337.2036854776000e+13F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294966912, var_1_35=4294966911, var_1_36=-1, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not((var_1_37 >= -922337.2036854776000e+13F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294966912, var_1_35=4294966911, var_1_36=-1, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L184] CALL assume_abort_if_not(var_1_37 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294966912, var_1_35=4294966911, var_1_36=-1, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_37 != 0.0F) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294966912, var_1_35=4294966911, var_1_36=-1, var_1_38=0, var_1_39=0, var_1_7=383, var_1_8=2, var_1_9=7/5] [L185] var_1_39 = __VERIFIER_nondet_uchar() [L186] CALL assume_abort_if_not(var_1_39 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294966912, var_1_35=4294966911, var_1_36=-1, var_1_38=0, var_1_39=1, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_39 >= 1) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294966912, var_1_35=4294966911, var_1_36=-1, var_1_38=0, var_1_39=1, var_1_7=383, var_1_8=2, var_1_9=7/5] [L187] CALL assume_abort_if_not(var_1_39 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294966912, var_1_35=4294966911, var_1_36=-1, var_1_38=0, var_1_39=1, var_1_7=383, var_1_8=2, var_1_9=7/5] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_39 <= 1) VAL [isInitial=1, last_1_var_1_33=16, var_1_14=-64, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=16, var_1_21=0, var_1_22=1, var_1_23=2563/10, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=319/5, var_1_31=1, var_1_33=16, var_1_34=4294966912, var_1_35=4294966911, var_1_36=-1, var_1_38=0, var_1_39=1, var_1_7=383, var_1_8=2, var_1_9=7/5] [L201] RET updateVariables() [L202] CALL step() [L58] signed long int stepLocal_3 = var_1_15; [L59] COND FALSE !(stepLocal_3 > (var_1_7 / 128)) [L62] var_1_23 = (var_1_11 + (((((var_1_24) > (var_1_25)) ? (var_1_24) : (var_1_25))) + var_1_26)) [L63] COND FALSE !(1.000000000000075E13f > var_1_11) [L66] COND TRUE var_1_20 > (var_1_19 / var_1_37) [L67] var_1_36 = var_1_16 [L71] COND TRUE var_1_19 > var_1_26 [L72] var_1_38 = ((var_1_29 && var_1_28) && var_1_39) [L74] COND FALSE !(\read(var_1_27)) [L77] COND TRUE ! var_1_27 [L78] var_1_9 = var_1_10 [L83] unsigned char stepLocal_6 = var_1_27; [L84] COND TRUE stepLocal_6 || var_1_29 [L85] var_1_33 = (((((var_1_34) > (var_1_35)) ? (var_1_34) : (var_1_35))) - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21)))) [L87] COND TRUE (1.75f / ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20)))) > var_1_12 [L88] var_1_22 = ((((((((var_1_36) > (((((var_1_33) > (1)) ? (var_1_33) : (1))))) ? (var_1_36) : (((((var_1_33) > (1)) ? (var_1_33) : (1))))))) < (var_1_16)) ? (((((var_1_36) > (((((var_1_33) > (1)) ? (var_1_33) : (1))))) ? (var_1_36) : (((((var_1_33) > (1)) ? (var_1_33) : (1))))))) : (var_1_16))) [L92] unsigned short int stepLocal_2 = var_1_8; [L93] unsigned short int stepLocal_1 = var_1_8; [L94] COND TRUE var_1_16 < stepLocal_1 [L95] COND TRUE var_1_23 == var_1_23 [L96] COND FALSE !(stepLocal_2 == var_1_22) [L103] unsigned char stepLocal_0 = var_1_36 <= var_1_22; [L104] COND FALSE !(\read(var_1_27)) [L111] var_1_1 = var_1_7 [L113] signed long int stepLocal_4 = 4; [L114] COND FALSE !(stepLocal_4 >= var_1_1) [L117] var_1_30 = var_1_25 [L119] signed long int stepLocal_5 = var_1_22; [L120] COND TRUE var_1_12 != var_1_30 [L121] COND FALSE !(stepLocal_5 < var_1_36) [L131] COND FALSE !((((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31))) / ((((var_1_15) < (4)) ? (var_1_15) : (4)))) > (var_1_33 + var_1_7)) [L134] var_1_14 = var_1_16 [L202] RET step() [L203] CALL, EXPR property() [L193-L194] return ((((((((((((var_1_27 ? (((var_1_36 <= var_1_22) || (var_1_18 >= var_1_9)) ? (var_1_1 == ((unsigned short int) ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) : (var_1_1 == ((unsigned short int) 25))) : (var_1_1 == ((unsigned short int) var_1_7))) && (var_1_27 ? (var_1_9 == ((float) (var_1_10 - (((((8.3215551467477422E18f - var_1_11)) < (var_1_12)) ? ((8.3215551467477422E18f - var_1_11)) : (var_1_12)))))) : ((! var_1_27) ? (var_1_9 == ((float) var_1_10)) : (var_1_9 == ((float) var_1_11))))) && (((((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31))) / ((((var_1_15) < (4)) ? (var_1_15) : (4)))) > (var_1_33 + var_1_7)) ? (var_1_14 == ((signed char) ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))))) : (var_1_14 == ((signed char) var_1_16)))) && ((var_1_16 < var_1_8) ? ((var_1_23 == var_1_23) ? ((var_1_8 == var_1_22) ? (var_1_18 == ((float) ((((var_1_12) > (var_1_11)) ? (var_1_12) : (var_1_11))))) : 1) : (var_1_18 == ((float) ((((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))) - var_1_11) - var_1_12)))) : 1)) && ((var_1_15 > (var_1_7 / 128)) ? (var_1_21 == ((unsigned long int) (var_1_7 + last_1_var_1_33))) : 1)) && (((1.75f / ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20)))) > var_1_12) ? (var_1_22 == ((signed long int) ((((((((var_1_36) > (((((var_1_33) > (1)) ? (var_1_33) : (1))))) ? (var_1_36) : (((((var_1_33) > (1)) ? (var_1_33) : (1))))))) < (var_1_16)) ? (((((var_1_36) > (((((var_1_33) > (1)) ? (var_1_33) : (1))))) ? (var_1_36) : (((((var_1_33) > (1)) ? (var_1_33) : (1))))))) : (var_1_16))))) : (var_1_22 == ((signed long int) (var_1_36 - 8))))) && (var_1_23 == ((float) (var_1_11 + (((((var_1_24) > (var_1_25)) ? (var_1_24) : (var_1_25))) + var_1_26))))) && ((1.000000000000075E13f > var_1_11) ? (var_1_27 == ((unsigned char) (var_1_28 && var_1_29))) : 1)) && ((4 >= var_1_1) ? (var_1_30 == ((double) ((((var_1_26) < (((((var_1_20) < (var_1_24)) ? (var_1_20) : (var_1_24))))) ? (var_1_26) : (((((var_1_20) < (var_1_24)) ? (var_1_20) : (var_1_24)))))))) : (var_1_30 == ((double) var_1_25)))) && ((var_1_12 != var_1_30) ? ((var_1_22 < var_1_36) ? (var_1_31 == ((signed long int) ((((var_1_16) > ((var_1_7 + (var_1_21 + var_1_22)))) ? (var_1_16) : ((var_1_7 + (var_1_21 + var_1_22))))))) : 1) : ((! var_1_38) ? (var_1_31 == ((signed long int) (((((var_1_17) < (var_1_8)) ? (var_1_17) : (var_1_8))) + var_1_1))) : (var_1_31 == ((signed long int) var_1_7))))) && ((var_1_27 || var_1_29) ? (var_1_33 == ((unsigned long int) (((((var_1_34) > (var_1_35)) ? (var_1_34) : (var_1_35))) - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21)))))) : 1)) && ((var_1_20 > (var_1_19 / var_1_37)) ? (var_1_36 == ((signed short int) var_1_16)) : (var_1_36 == ((signed short int) (((((((10) < (var_1_16)) ? (10) : (var_1_16))) < 0 ) ? -((((10) < (var_1_16)) ? (10) : (var_1_16))) : ((((10) < (var_1_16)) ? (10) : (var_1_16))))))))) && ((var_1_19 > var_1_26) ? (var_1_38 == ((unsigned char) ((var_1_29 && var_1_28) && var_1_39))) : 1) ; [L203] RET, EXPR property() [L203] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_33=16, var_1_10=2, var_1_11=0, var_1_12=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=383, var_1_20=0, var_1_21=0, var_1_22=1, var_1_24=0, var_1_25=3, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=3, var_1_31=1, var_1_33=4294966912, var_1_34=4294966912, var_1_35=4294966911, var_1_36=1, var_1_38=1, var_1_39=1, var_1_7=383, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_33=16, var_1_10=2, var_1_11=0, var_1_12=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=-127, var_1_18=33/4, var_1_1=383, var_1_20=0, var_1_21=0, var_1_22=1, var_1_24=0, var_1_25=3, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=3, var_1_31=1, var_1_33=4294966912, var_1_34=4294966912, var_1_35=4294966911, var_1_36=1, var_1_38=1, var_1_39=1, var_1_7=383, var_1_8=2, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 31, 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=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 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 12:50:40,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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_83fec9f3-6961-4494-b079-d5d37058687b/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 7c8f5fe230251b0646a4f3f0c85d845d3fde215b0ffb42c7fcbe3826db09a269 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:50:42,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:50:42,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 12:50:42,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:50:42,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:50:42,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:50:42,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:50:42,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:50:42,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:50:42,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:50:42,675 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:50:42,675 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:50:42,676 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:50:42,676 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:50:42,677 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:50:42,677 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:50:42,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:50:42,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:50:42,679 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:50:42,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:50:42,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:50:42,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:50:42,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:50:42,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:50:42,683 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 12:50:42,683 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 12:50:42,684 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 12:50:42,684 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:50:42,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:50:42,685 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:50:42,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:50:42,686 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 12:50:42,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:50:42,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:50:42,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:50:42,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:50:42,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:50:42,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:50:42,687 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 12:50:42,688 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 12:50:42,688 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:50:42,688 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:50:42,688 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:50:42,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:50:42,689 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_83fec9f3-6961-4494-b079-d5d37058687b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c8f5fe230251b0646a4f3f0c85d845d3fde215b0ffb42c7fcbe3826db09a269 [2023-12-02 12:50:42,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:50:43,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:50:43,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:50:43,007 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:50:43,008 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:50:43,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-82.i [2023-12-02 12:50:45,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:50:46,075 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:50:46,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-82.i [2023-12-02 12:50:46,087 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/data/085d9f830/c52d5a57ef144625970bbdc3a4fbb87b/FLAG4e6c8a076 [2023-12-02 12:50:46,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/data/085d9f830/c52d5a57ef144625970bbdc3a4fbb87b [2023-12-02 12:50:46,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:50:46,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:50:46,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:50:46,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:50:46,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:50:46,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:50:46" (1/1) ... [2023-12-02 12:50:46,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b37201a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46, skipping insertion in model container [2023-12-02 12:50:46,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:50:46" (1/1) ... [2023-12-02 12:50:46,171 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:50:46,325 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_83fec9f3-6961-4494-b079-d5d37058687b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-82.i[916,929] [2023-12-02 12:50:46,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:50:46,418 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:50:46,432 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_83fec9f3-6961-4494-b079-d5d37058687b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-82.i[916,929] [2023-12-02 12:50:46,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:50:46,492 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:50:46,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46 WrapperNode [2023-12-02 12:50:46,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:50:46,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:50:46,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:50:46,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:50:46,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ... [2023-12-02 12:50:46,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ... [2023-12-02 12:50:46,550 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2023-12-02 12:50:46,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:50:46,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:50:46,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:50:46,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:50:46,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ... [2023-12-02 12:50:46,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ... [2023-12-02 12:50:46,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ... [2023-12-02 12:50:46,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ... [2023-12-02 12:50:46,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ... [2023-12-02 12:50:46,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ... [2023-12-02 12:50:46,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ... [2023-12-02 12:50:46,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ... [2023-12-02 12:50:46,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:50:46,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:50:46,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:50:46,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:50:46,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (1/1) ... [2023-12-02 12:50:46,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:50:46,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:50:46,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:50:46,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:50:46,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:50:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 12:50:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:50:46,668 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:50:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:50:46,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:50:46,768 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:50:46,770 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:50:52,010 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:50:52,062 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:50:52,062 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:50:52,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:50:52 BoogieIcfgContainer [2023-12-02 12:50:52,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:50:52,066 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:50:52,066 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:50:52,069 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:50:52,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:50:46" (1/3) ... [2023-12-02 12:50:52,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f729b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:50:52, skipping insertion in model container [2023-12-02 12:50:52,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:50:46" (2/3) ... [2023-12-02 12:50:52,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f729b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:50:52, skipping insertion in model container [2023-12-02 12:50:52,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:50:52" (3/3) ... [2023-12-02 12:50:52,072 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-82.i [2023-12-02 12:50:52,086 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:50:52,086 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:50:52,130 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:50:52,136 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;@55c14a15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:50:52,136 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:50:52,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 54 states have internal predecessors, (76), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-02 12:50:52,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-02 12:50:52,155 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:50:52,156 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:50:52,156 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:50:52,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:50:52,161 INFO L85 PathProgramCache]: Analyzing trace with hash 925209696, now seen corresponding path program 1 times [2023-12-02 12:50:52,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:50:52,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [228126049] [2023-12-02 12:50:52,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:50:52,174 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 12:50:52,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:50:52,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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 12:50:52,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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 12:50:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:50:53,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 12:50:53,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:50:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 896 proven. 0 refuted. 0 times theorem prover too weak. 964 trivial. 0 not checked. [2023-12-02 12:50:53,074 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:50:53,074 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:50:53,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [228126049] [2023-12-02 12:50:53,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [228126049] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:50:53,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:50:53,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:50:53,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066565026] [2023-12-02 12:50:53,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:50:53,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 12:50:53,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:50:53,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 12:50:53,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 12:50:53,113 INFO L87 Difference]: Start difference. First operand has 87 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 54 states have internal predecessors, (76), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-02 12:50:55,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:50:55,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:50:55,483 INFO L93 Difference]: Finished difference Result 171 states and 305 transitions. [2023-12-02 12:50:55,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 12:50:55,580 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 198 [2023-12-02 12:50:55,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:50:55,598 INFO L225 Difference]: With dead ends: 171 [2023-12-02 12:50:55,598 INFO L226 Difference]: Without dead ends: 85 [2023-12-02 12:50:55,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 197 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 12:50:55,604 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:50:55,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 12:50:55,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-12-02 12:50:55,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-12-02 12:50:55,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 52 states have internal predecessors, (71), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-02 12:50:55,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 133 transitions. [2023-12-02 12:50:55,650 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 133 transitions. Word has length 198 [2023-12-02 12:50:55,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:50:55,651 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 133 transitions. [2023-12-02 12:50:55,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-02 12:50:55,652 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 133 transitions. [2023-12-02 12:50:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-02 12:50:55,657 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:50:55,658 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:50:55,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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 12:50:55,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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 12:50:55,859 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:50:55,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:50:55,860 INFO L85 PathProgramCache]: Analyzing trace with hash 848522702, now seen corresponding path program 1 times [2023-12-02 12:50:55,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:50:55,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [824365472] [2023-12-02 12:50:55,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:50:55,861 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 12:50:55,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:50:55,862 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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 12:50:55,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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 12:50:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:50:56,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 12:50:56,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:50:58,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 955 proven. 57 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2023-12-02 12:50:58,186 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:50:59,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 117 proven. 60 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2023-12-02 12:50:59,302 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:50:59,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [824365472] [2023-12-02 12:50:59,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [824365472] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:50:59,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [902765836] [2023-12-02 12:50:59,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:50:59,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:50:59,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:50:59,337 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:50:59,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 12:51:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:51:00,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:51:00,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:51:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 12:51:00,160 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:51:00,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [902765836] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:51:00,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 12:51:00,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 9] total 14 [2023-12-02 12:51:00,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460318069] [2023-12-02 12:51:00,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:51:00,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:51:00,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:51:00,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:51:00,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-12-02 12:51:00,165 INFO L87 Difference]: Start difference. First operand 85 states and 133 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 12:51:02,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:04,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:06,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:06,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:51:06,917 INFO L93 Difference]: Finished difference Result 251 states and 393 transitions. [2023-12-02 12:51:06,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:51:06,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2023-12-02 12:51:06,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:51:06,927 INFO L225 Difference]: With dead ends: 251 [2023-12-02 12:51:06,927 INFO L226 Difference]: Without dead ends: 167 [2023-12-02 12:51:06,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 578 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-12-02 12:51:06,929 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 120 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-12-02 12:51:06,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 357 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2023-12-02 12:51:06,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-12-02 12:51:06,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 165. [2023-12-02 12:51:06,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 100 states have (on average 1.34) internal successors, (134), 100 states have internal predecessors, (134), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-02 12:51:06,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 258 transitions. [2023-12-02 12:51:06,955 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 258 transitions. Word has length 198 [2023-12-02 12:51:06,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:51:06,956 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 258 transitions. [2023-12-02 12:51:06,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 12:51:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 258 transitions. [2023-12-02 12:51:06,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-02 12:51:06,961 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:51:06,962 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:51:06,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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 12:51:07,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 12:51:07,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 12:51:07,365 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:51:07,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:51:07,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1117194303, now seen corresponding path program 1 times [2023-12-02 12:51:07,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:51:07,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1902457018] [2023-12-02 12:51:07,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:51:07,367 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 12:51:07,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:51:07,368 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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 12:51:07,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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 (5)] Waiting until timeout for monitored process [2023-12-02 12:51:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:51:08,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 12:51:08,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:51:09,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 955 proven. 57 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2023-12-02 12:51:09,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:51:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 117 proven. 60 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2023-12-02 12:51:10,192 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:51:10,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1902457018] [2023-12-02 12:51:10,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1902457018] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:51:10,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [159863352] [2023-12-02 12:51:10,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:51:10,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:51:10,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:51:10,208 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:51:10,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 12:51:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:51:12,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 12:51:12,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:51:13,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 904 proven. 33 refuted. 0 times theorem prover too weak. 923 trivial. 0 not checked. [2023-12-02 12:51:13,735 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:51:14,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 57 proven. 33 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-12-02 12:51:14,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [159863352] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:51:14,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853171106] [2023-12-02 12:51:14,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:51:14,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:51:14,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:51:14,407 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:51:14,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 12:51:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:51:15,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 12:51:15,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:51:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 949 proven. 96 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2023-12-02 12:51:17,635 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:51:19,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 120 proven. 57 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2023-12-02 12:51:19,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853171106] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:51:19,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 12:51:19,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8, 8, 15, 12] total 32 [2023-12-02 12:51:19,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699315841] [2023-12-02 12:51:19,165 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 12:51:19,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-02 12:51:19,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:51:19,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-02 12:51:19,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=765, Unknown=0, NotChecked=0, Total=992 [2023-12-02 12:51:19,168 INFO L87 Difference]: Start difference. First operand 165 states and 258 transitions. Second operand has 32 states, 31 states have (on average 4.451612903225806) internal successors, (138), 30 states have internal predecessors, (138), 8 states have call successors, (79), 6 states have call predecessors, (79), 11 states have return successors, (84), 8 states have call predecessors, (84), 8 states have call successors, (84) [2023-12-02 12:51:26,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:28,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:30,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:32,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:34,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:36,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:39,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:41,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:43,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:45,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:47,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:49,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:51,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:53,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:55,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:57,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:51:59,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:01,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:03,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:05,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:07,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:09,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:11,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:13,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:15,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:17,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:19,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:21,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:23,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:25,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:27,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:29,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:31,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:33,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:35,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:37,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:39,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:41,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:43,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:45,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:47,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:49,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:51,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:53,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:52:55,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:00,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:53:00,561 INFO L93 Difference]: Finished difference Result 471 states and 692 transitions. [2023-12-02 12:53:00,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 12:53:00,568 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 4.451612903225806) internal successors, (138), 30 states have internal predecessors, (138), 8 states have call successors, (79), 6 states have call predecessors, (79), 11 states have return successors, (84), 8 states have call predecessors, (84), 8 states have call successors, (84) Word has length 199 [2023-12-02 12:53:00,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:53:00,572 INFO L225 Difference]: With dead ends: 471 [2023-12-02 12:53:00,572 INFO L226 Difference]: Without dead ends: 307 [2023-12-02 12:53:00,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1241 GetRequests, 1162 SyntacticMatches, 3 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1751 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=1521, Invalid=4485, Unknown=0, NotChecked=0, Total=6006 [2023-12-02 12:53:00,576 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 936 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 458 mSolverCounterUnsat, 45 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 1095 SdHoareTripleChecker+Invalid, 1948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 45 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:53:00,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [956 Valid, 1095 Invalid, 1948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 1445 Invalid, 45 Unknown, 0 Unchecked, 98.0s Time] [2023-12-02 12:53:00,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2023-12-02 12:53:00,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 197. [2023-12-02 12:53:00,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 124 states have (on average 1.2580645161290323) internal successors, (156), 124 states have internal predecessors, (156), 62 states have call successors, (62), 10 states have call predecessors, (62), 10 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-02 12:53:00,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 280 transitions. [2023-12-02 12:53:00,616 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 280 transitions. Word has length 199 [2023-12-02 12:53:00,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:53:00,617 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 280 transitions. [2023-12-02 12:53:00,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 4.451612903225806) internal successors, (138), 30 states have internal predecessors, (138), 8 states have call successors, (79), 6 states have call predecessors, (79), 11 states have return successors, (84), 8 states have call predecessors, (84), 8 states have call successors, (84) [2023-12-02 12:53:00,617 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 280 transitions. [2023-12-02 12:53:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-02 12:53:00,620 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:53:00,621 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:53:00,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 12:53:00,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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 (5)] Ended with exit code 0 [2023-12-02 12:53:01,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 12:53:01,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 12:53:01,222 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:53:01,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:53:01,222 INFO L85 PathProgramCache]: Analyzing trace with hash 583112091, now seen corresponding path program 1 times [2023-12-02 12:53:01,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:53:01,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606907980] [2023-12-02 12:53:01,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:53:01,223 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 12:53:01,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:53:01,224 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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 12:53:01,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 12:53:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:53:01,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 12:53:01,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:53:03,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1011 proven. 54 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2023-12-02 12:53:03,539 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:53:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 198 proven. 63 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2023-12-02 12:53:05,014 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:53:05,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606907980] [2023-12-02 12:53:05,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [606907980] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:53:05,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [699116402] [2023-12-02 12:53:05,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:53:05,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:53:05,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:53:05,016 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:53:05,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 12:53:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:53:07,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 12:53:07,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:53:10,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1004 proven. 87 refuted. 0 times theorem prover too weak. 769 trivial. 0 not checked. [2023-12-02 12:53:10,817 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:53:12,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 255 proven. 87 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2023-12-02 12:53:12,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [699116402] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:53:12,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121911952] [2023-12-02 12:53:12,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:53:12,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:53:12,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:53:12,292 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:53:12,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 12:53:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:53:12,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 12:53:12,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:53:14,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-02 12:53:14,256 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:53:14,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121911952] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:53:14,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-12-02 12:53:14,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12, 12, 18, 15] total 38 [2023-12-02 12:53:14,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684079135] [2023-12-02 12:53:14,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:53:14,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 12:53:14,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:53:14,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 12:53:14,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1084, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 12:53:14,260 INFO L87 Difference]: Start difference. First operand 197 states and 280 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-02 12:53:20,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:22,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:24,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:26,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:28,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:30,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:32,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:34,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:36,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:38,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:40,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:42,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:44,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:46,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:48,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:50,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:52,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:54,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:56,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:53:58,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:00,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:02,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:04,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:06,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:08,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:10,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:12,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:14,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:16,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:18,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:20,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:22,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:24,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:29,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:54:29,869 INFO L93 Difference]: Finished difference Result 917 states and 1273 transitions. [2023-12-02 12:54:29,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 12:54:29,870 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 199 [2023-12-02 12:54:29,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:54:29,876 INFO L225 Difference]: With dead ends: 917 [2023-12-02 12:54:29,876 INFO L226 Difference]: Without dead ends: 721 [2023-12-02 12:54:29,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1027 GetRequests, 955 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1703 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=989, Invalid=4123, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 12:54:29,879 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 593 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 258 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:54:29,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 971 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 1156 Invalid, 33 Unknown, 0 Unchecked, 72.8s Time] [2023-12-02 12:54:29,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2023-12-02 12:54:29,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 692. [2023-12-02 12:54:29,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 428 states have (on average 1.219626168224299) internal successors, (522), 431 states have internal predecessors, (522), 222 states have call successors, (222), 41 states have call predecessors, (222), 41 states have return successors, (222), 219 states have call predecessors, (222), 222 states have call successors, (222) [2023-12-02 12:54:29,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 966 transitions. [2023-12-02 12:54:29,974 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 966 transitions. Word has length 199 [2023-12-02 12:54:29,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:54:29,975 INFO L495 AbstractCegarLoop]: Abstraction has 692 states and 966 transitions. [2023-12-02 12:54:29,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-02 12:54:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 966 transitions. [2023-12-02 12:54:29,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-02 12:54:29,978 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:54:29,978 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:54:29,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 12:54:30,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-02 12:54:30,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-02 12:54:30,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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 12:54:30,580 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:54:30,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:54:30,580 INFO L85 PathProgramCache]: Analyzing trace with hash 584959133, now seen corresponding path program 1 times [2023-12-02 12:54:30,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:54:30,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [18145314] [2023-12-02 12:54:30,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:54:30,581 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 12:54:30,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:54:30,582 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/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 12:54:30,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83fec9f3-6961-4494-b079-d5d37058687b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-02 12:54:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:54:31,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 60 conjunts are in the unsatisfiable core [2023-12-02 12:54:31,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:56:52,992 WARN L293 SmtUtils]: Spent 40.86s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:58:27,931 WARN L293 SmtUtils]: Spent 41.81s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:00:32,838 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg .cse1)) (.cse3 (fp.neg .cse0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (or (and (fp.leq c_~var_1_24~0 .cse0) (fp.geq c_~var_1_24~0 .cse1)) (and (fp.leq c_~var_1_24~0 .cse2) (fp.geq c_~var_1_24~0 .cse3))) (fp.gt ((_ to_fp 8 24) c_currentRoundingMode (/ 40000000000003.0 4.0)) c_~var_1_11~0) (bvsge ((_ zero_extend 24) c_~var_1_28~0) (_ bv1 32)) (fp.geq c_~var_1_20~0 .cse1) (or (and (fp.geq c_~var_1_25~0 .cse1) (fp.leq c_~var_1_25~0 .cse0)) (and (fp.geq c_~var_1_25~0 .cse3) (fp.leq c_~var_1_25~0 .cse2))) (fp.leq c_~var_1_20~0 .cse4) (bvsge ((_ zero_extend 24) c_~var_1_29~0) (_ bv1 32)) (fp.geq c_~var_1_11~0 .cse1) (= c_~var_1_36~0 ((_ sign_extend 8) c_~var_1_16~0)) (= (_ bv1 8) c_~var_1_27~0) (let ((.cse5 (fp.gt c_~var_1_24~0 c_~var_1_25~0))) (or (and (= (fp.add c_currentRoundingMode c_~var_1_11~0 (fp.add c_currentRoundingMode c_~var_1_24~0 c_~var_1_26~0)) c_~var_1_23~0) .cse5) (and (= (fp.add c_currentRoundingMode c_~var_1_11~0 (fp.add c_currentRoundingMode c_~var_1_25~0 c_~var_1_26~0)) c_~var_1_23~0) (not .cse5)))) (fp.gt c_~var_1_20~0 (fp.div c_currentRoundingMode c_~var_1_19~0 c_~var_1_37~0)) (or (and (fp.leq c_~var_1_26~0 .cse2) (fp.geq c_~var_1_26~0 .cse3)) (and (fp.geq c_~var_1_26~0 .cse1) (fp.leq c_~var_1_26~0 .cse0))) (fp.leq c_~var_1_10~0 .cse4) (fp.geq c_~var_1_10~0 .cse1) (bvsge ((_ zero_extend 24) c_~var_1_39~0) (_ bv1 32)) (= (bvadd c_~last_1_var_1_33~0 ((_ zero_extend 16) c_~var_1_7~0)) c_~var_1_21~0) (fp.leq c_~var_1_12~0 .cse4) (fp.geq c_~var_1_12~0 .cse1) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 13:00:34,882 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg .cse1)) (.cse3 (fp.neg .cse0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (or (and (fp.leq c_~var_1_24~0 .cse0) (fp.geq c_~var_1_24~0 .cse1)) (and (fp.leq c_~var_1_24~0 .cse2) (fp.geq c_~var_1_24~0 .cse3))) (fp.gt ((_ to_fp 8 24) c_currentRoundingMode (/ 40000000000003.0 4.0)) c_~var_1_11~0) (bvsge ((_ zero_extend 24) c_~var_1_28~0) (_ bv1 32)) (fp.geq c_~var_1_20~0 .cse1) (or (and (fp.geq c_~var_1_25~0 .cse1) (fp.leq c_~var_1_25~0 .cse0)) (and (fp.geq c_~var_1_25~0 .cse3) (fp.leq c_~var_1_25~0 .cse2))) (fp.leq c_~var_1_20~0 .cse4) (bvsge ((_ zero_extend 24) c_~var_1_29~0) (_ bv1 32)) (fp.geq c_~var_1_11~0 .cse1) (= c_~var_1_36~0 ((_ sign_extend 8) c_~var_1_16~0)) (= (_ bv1 8) c_~var_1_27~0) (let ((.cse5 (fp.gt c_~var_1_24~0 c_~var_1_25~0))) (or (and (= (fp.add c_currentRoundingMode c_~var_1_11~0 (fp.add c_currentRoundingMode c_~var_1_24~0 c_~var_1_26~0)) c_~var_1_23~0) .cse5) (and (= (fp.add c_currentRoundingMode c_~var_1_11~0 (fp.add c_currentRoundingMode c_~var_1_25~0 c_~var_1_26~0)) c_~var_1_23~0) (not .cse5)))) (fp.gt c_~var_1_20~0 (fp.div c_currentRoundingMode c_~var_1_19~0 c_~var_1_37~0)) (or (and (fp.leq c_~var_1_26~0 .cse2) (fp.geq c_~var_1_26~0 .cse3)) (and (fp.geq c_~var_1_26~0 .cse1) (fp.leq c_~var_1_26~0 .cse0))) (fp.leq c_~var_1_10~0 .cse4) (fp.geq c_~var_1_10~0 .cse1) (bvsge ((_ zero_extend 24) c_~var_1_39~0) (_ bv1 32)) (= (bvadd c_~last_1_var_1_33~0 ((_ zero_extend 16) c_~var_1_7~0)) c_~var_1_21~0) (fp.leq c_~var_1_12~0 .cse4) (fp.geq c_~var_1_12~0 .cse1) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 13:02:53,189 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg .cse1)) (.cse3 (fp.neg .cse0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (or (and (fp.leq c_~var_1_24~0 .cse0) (fp.geq c_~var_1_24~0 .cse1)) (and (fp.leq c_~var_1_24~0 .cse2) (fp.geq c_~var_1_24~0 .cse3))) (fp.gt ((_ to_fp 8 24) c_currentRoundingMode (/ 40000000000003.0 4.0)) c_~var_1_11~0) (bvsge ((_ zero_extend 24) c_~var_1_28~0) (_ bv1 32)) (fp.geq c_~var_1_20~0 .cse1) (or (and (fp.geq c_~var_1_25~0 .cse1) (fp.leq c_~var_1_25~0 .cse0)) (and (fp.geq c_~var_1_25~0 .cse3) (fp.leq c_~var_1_25~0 .cse2))) (fp.leq c_~var_1_20~0 .cse4) (bvsge ((_ zero_extend 24) c_~var_1_29~0) (_ bv1 32)) (fp.geq c_~var_1_11~0 .cse1) (= c_~var_1_36~0 ((_ sign_extend 8) c_~var_1_16~0)) (= (_ bv1 8) c_~var_1_27~0) (let ((.cse5 (fp.gt c_~var_1_24~0 c_~var_1_25~0))) (or (and (= (fp.add c_currentRoundingMode c_~var_1_11~0 (fp.add c_currentRoundingMode c_~var_1_24~0 c_~var_1_26~0)) c_~var_1_23~0) .cse5) (and (= (fp.add c_currentRoundingMode c_~var_1_11~0 (fp.add c_currentRoundingMode c_~var_1_25~0 c_~var_1_26~0)) c_~var_1_23~0) (not .cse5)))) (fp.gt c_~var_1_20~0 (fp.div c_currentRoundingMode c_~var_1_19~0 c_~var_1_37~0)) (or (and (fp.leq c_~var_1_26~0 .cse2) (fp.geq c_~var_1_26~0 .cse3)) (and (fp.geq c_~var_1_26~0 .cse1) (fp.leq c_~var_1_26~0 .cse0))) (= (_ bv1 8) c_~var_1_38~0) (fp.leq c_~var_1_10~0 .cse4) (fp.geq c_~var_1_10~0 .cse1) (bvsge ((_ zero_extend 24) c_~var_1_39~0) (_ bv1 32)) (= (bvadd c_~last_1_var_1_33~0 ((_ zero_extend 16) c_~var_1_7~0)) c_~var_1_21~0) (fp.gt c_~var_1_19~0 c_~var_1_26~0) (fp.leq c_~var_1_12~0 .cse4) (fp.geq c_~var_1_12~0 .cse1) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 13:05:35,246 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg .cse1)) (.cse3 (fp.neg .cse0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (or (and (fp.leq c_~var_1_24~0 .cse0) (fp.geq c_~var_1_24~0 .cse1)) (and (fp.leq c_~var_1_24~0 .cse2) (fp.geq c_~var_1_24~0 .cse3))) (fp.gt ((_ to_fp 8 24) c_currentRoundingMode (/ 40000000000003.0 4.0)) c_~var_1_11~0) (bvsge ((_ zero_extend 24) c_~var_1_28~0) (_ bv1 32)) (fp.geq c_~var_1_20~0 .cse1) (or (and (fp.geq c_~var_1_25~0 .cse1) (fp.leq c_~var_1_25~0 .cse0)) (and (fp.geq c_~var_1_25~0 .cse3) (fp.leq c_~var_1_25~0 .cse2))) (fp.leq c_~var_1_20~0 .cse4) (bvsge ((_ zero_extend 24) c_~var_1_29~0) (_ bv1 32)) (fp.geq c_~var_1_11~0 .cse1) (= c_~var_1_36~0 ((_ sign_extend 8) c_~var_1_16~0)) (= (_ bv1 8) c_~var_1_27~0) (let ((.cse5 (fp.gt c_~var_1_24~0 c_~var_1_25~0))) (or (and (= (fp.add c_currentRoundingMode c_~var_1_11~0 (fp.add c_currentRoundingMode c_~var_1_24~0 c_~var_1_26~0)) c_~var_1_23~0) .cse5) (and (= (fp.add c_currentRoundingMode c_~var_1_11~0 (fp.add c_currentRoundingMode c_~var_1_25~0 c_~var_1_26~0)) c_~var_1_23~0) (not .cse5)))) (fp.gt c_~var_1_20~0 (fp.div c_currentRoundingMode c_~var_1_19~0 c_~var_1_37~0)) (or (and (fp.leq c_~var_1_26~0 .cse2) (fp.geq c_~var_1_26~0 .cse3)) (and (fp.geq c_~var_1_26~0 .cse1) (fp.leq c_~var_1_26~0 .cse0))) (= (_ bv1 8) c_~var_1_38~0) (fp.leq c_~var_1_10~0 .cse4) (fp.geq c_~var_1_10~0 .cse1) (bvsge ((_ zero_extend 24) c_~var_1_39~0) (_ bv1 32)) (= (bvadd c_~last_1_var_1_33~0 ((_ zero_extend 16) c_~var_1_7~0)) c_~var_1_21~0) (fp.gt c_~var_1_19~0 c_~var_1_26~0) (fp.leq c_~var_1_12~0 .cse4) (let ((.cse6 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 8321555146747742200.0) c_~var_1_11~0))) (let ((.cse7 (fp.lt .cse6 c_~var_1_12~0))) (or (and (= c_~var_1_9~0 (fp.sub c_currentRoundingMode c_~var_1_10~0 .cse6)) .cse7) (and (not .cse7) (= (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_12~0) c_~var_1_9~0))))) (fp.geq c_~var_1_12~0 .cse1) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 13:05:37,300 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg .cse1)) (.cse3 (fp.neg .cse0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (or (and (fp.leq c_~var_1_24~0 .cse0) (fp.geq c_~var_1_24~0 .cse1)) (and (fp.leq c_~var_1_24~0 .cse2) (fp.geq c_~var_1_24~0 .cse3))) (fp.gt ((_ to_fp 8 24) c_currentRoundingMode (/ 40000000000003.0 4.0)) c_~var_1_11~0) (bvsge ((_ zero_extend 24) c_~var_1_28~0) (_ bv1 32)) (fp.geq c_~var_1_20~0 .cse1) (or (and (fp.geq c_~var_1_25~0 .cse1) (fp.leq c_~var_1_25~0 .cse0)) (and (fp.geq c_~var_1_25~0 .cse3) (fp.leq c_~var_1_25~0 .cse2))) (fp.leq c_~var_1_20~0 .cse4) (bvsge ((_ zero_extend 24) c_~var_1_29~0) (_ bv1 32)) (fp.geq c_~var_1_11~0 .cse1) (= c_~var_1_36~0 ((_ sign_extend 8) c_~var_1_16~0)) (= (_ bv1 8) c_~var_1_27~0) (let ((.cse5 (fp.gt c_~var_1_24~0 c_~var_1_25~0))) (or (and (= (fp.add c_currentRoundingMode c_~var_1_11~0 (fp.add c_currentRoundingMode c_~var_1_24~0 c_~var_1_26~0)) c_~var_1_23~0) .cse5) (and (= (fp.add c_currentRoundingMode c_~var_1_11~0 (fp.add c_currentRoundingMode c_~var_1_25~0 c_~var_1_26~0)) c_~var_1_23~0) (not .cse5)))) (fp.gt c_~var_1_20~0 (fp.div c_currentRoundingMode c_~var_1_19~0 c_~var_1_37~0)) (or (and (fp.leq c_~var_1_26~0 .cse2) (fp.geq c_~var_1_26~0 .cse3)) (and (fp.geq c_~var_1_26~0 .cse1) (fp.leq c_~var_1_26~0 .cse0))) (= (_ bv1 8) c_~var_1_38~0) (fp.leq c_~var_1_10~0 .cse4) (fp.geq c_~var_1_10~0 .cse1) (bvsge ((_ zero_extend 24) c_~var_1_39~0) (_ bv1 32)) (= (bvadd c_~last_1_var_1_33~0 ((_ zero_extend 16) c_~var_1_7~0)) c_~var_1_21~0) (fp.gt c_~var_1_19~0 c_~var_1_26~0) (fp.leq c_~var_1_12~0 .cse4) (let ((.cse6 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 8321555146747742200.0) c_~var_1_11~0))) (let ((.cse7 (fp.lt .cse6 c_~var_1_12~0))) (or (and (= c_~var_1_9~0 (fp.sub c_currentRoundingMode c_~var_1_10~0 .cse6)) .cse7) (and (not .cse7) (= (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_12~0) c_~var_1_9~0))))) (fp.geq c_~var_1_12~0 .cse1) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true