./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-11.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_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b670c0ce186fd09c40b80582419dd7d06ef4a420fd0c29de5d521d6799e6a1a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:49:37,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:49:37,739 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:49:37,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:49:37,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:49:37,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:49:37,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:49:37,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:49:37,769 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:49:37,770 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:49:37,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:49:37,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:49:37,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:49:37,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:49:37,773 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:49:37,773 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:49:37,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:49:37,774 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:49:37,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:49:37,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:49:37,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:49:37,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:49:37,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:49:37,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:49:37,777 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:49:37,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:49:37,778 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:49:37,778 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:49:37,778 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:49:37,779 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:49:37,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:49:37,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:49:37,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:49:37,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:49:37,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:49:37,780 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:49:37,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:49:37,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:49:37,781 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:49:37,781 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:49:37,781 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:49:37,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:49:37,782 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b670c0ce186fd09c40b80582419dd7d06ef4a420fd0c29de5d521d6799e6a1a [2023-11-29 04:49:38,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:49:38,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:49:38,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:49:38,073 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:49:38,074 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:49:38,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-11.i [2023-11-29 04:49:40,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:49:41,033 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:49:41,033 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-11.i [2023-11-29 04:49:41,045 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/data/744f9f958/cf3d65a74dfa441ebc132cff5587f10b/FLAG2f002dc6e [2023-11-29 04:49:41,061 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/data/744f9f958/cf3d65a74dfa441ebc132cff5587f10b [2023-11-29 04:49:41,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:49:41,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:49:41,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:49:41,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:49:41,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:49:41,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:49:41" (1/1) ... [2023-11-29 04:49:41,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7ea0f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:41, skipping insertion in model container [2023-11-29 04:49:41,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:49:41" (1/1) ... [2023-11-29 04:49:41,117 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:49:41,266 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_19de3a6d-eac9-490d-9665-549eb9794e2a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-11.i[916,929] [2023-11-29 04:49:41,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:49:41,382 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:49:41,395 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_19de3a6d-eac9-490d-9665-549eb9794e2a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-11.i[916,929] [2023-11-29 04:49:41,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:49:41,455 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:49:41,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:41 WrapperNode [2023-11-29 04:49:41,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:49:41,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:49:41,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:49:41,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:49:41,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:41" (1/1) ... [2023-11-29 04:49:41,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:41" (1/1) ... [2023-11-29 04:49:41,531 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 291 [2023-11-29 04:49:41,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:49:41,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:49:41,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:49:41,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:49:41,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:41" (1/1) ... [2023-11-29 04:49:41,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:41" (1/1) ... [2023-11-29 04:49:41,549 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:41" (1/1) ... [2023-11-29 04:49:41,572 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:49:41,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:41" (1/1) ... [2023-11-29 04:49:41,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:41" (1/1) ... [2023-11-29 04:49:41,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:41" (1/1) ... [2023-11-29 04:49:41,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:41" (1/1) ... [2023-11-29 04:49:41,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:41" (1/1) ... [2023-11-29 04:49:41,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:41" (1/1) ... [2023-11-29 04:49:41,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:49:41,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:49:41,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:49:41,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:49:41,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:41" (1/1) ... [2023-11-29 04:49:41,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:49:41,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:41,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:49:41,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:49:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:49:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:49:41,678 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:49:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:49:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:49:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:49:41,778 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:49:41,780 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:49:42,275 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:49:42,309 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:49:42,310 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:49:42,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:49:42 BoogieIcfgContainer [2023-11-29 04:49:42,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:49:42,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:49:42,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:49:42,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:49:42,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:49:41" (1/3) ... [2023-11-29 04:49:42,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@529ebe70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:49:42, skipping insertion in model container [2023-11-29 04:49:42,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:41" (2/3) ... [2023-11-29 04:49:42,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@529ebe70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:49:42, skipping insertion in model container [2023-11-29 04:49:42,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:49:42" (3/3) ... [2023-11-29 04:49:42,319 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-11.i [2023-11-29 04:49:42,337 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:49:42,337 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:49:42,392 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:49:42,397 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=PETRI_NET, 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;@3289f82f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:49:42,397 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:49:42,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 76 states have (on average 1.618421052631579) internal successors, (123), 77 states have internal predecessors, (123), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 04:49:42,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 04:49:42,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:42,416 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:49:42,416 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:42,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:42,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1868796621, now seen corresponding path program 1 times [2023-11-29 04:49:42,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:42,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364134113] [2023-11-29 04:49:42,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:42,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:42,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:49:42,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364134113] [2023-11-29 04:49:42,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 04:49:42,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559251681] [2023-11-29 04:49:42,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:42,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:42,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:42,625 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:42,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:49:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:42,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:49:42,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:42,886 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-29 04:49:42,886 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:49:42,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559251681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:49:42,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:49:42,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:49:42,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59828845] [2023-11-29 04:49:42,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:49:42,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:49:42,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:49:42,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:49:42,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:49:42,925 INFO L87 Difference]: Start difference. First operand has 99 states, 76 states have (on average 1.618421052631579) internal successors, (123), 77 states have internal predecessors, (123), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 04:49:42,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:49:42,969 INFO L93 Difference]: Finished difference Result 195 states and 344 transitions. [2023-11-29 04:49:42,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:49:42,971 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 144 [2023-11-29 04:49:42,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:49:42,980 INFO L225 Difference]: With dead ends: 195 [2023-11-29 04:49:42,980 INFO L226 Difference]: Without dead ends: 97 [2023-11-29 04:49:42,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:49:42,987 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:49:42,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:49:43,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-29 04:49:43,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-29 04:49:43,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 75 states have internal predecessors, (118), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 04:49:43,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 158 transitions. [2023-11-29 04:49:43,034 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 158 transitions. Word has length 144 [2023-11-29 04:49:43,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:49:43,034 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 158 transitions. [2023-11-29 04:49:43,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 04:49:43,035 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 158 transitions. [2023-11-29 04:49:43,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 04:49:43,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:43,040 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:49:43,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:49:43,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 04:49:43,241 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:43,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:43,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1460261445, now seen corresponding path program 1 times [2023-11-29 04:49:43,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:43,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558234311] [2023-11-29 04:49:43,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:43,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:43,313 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:49:43,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1052654770] [2023-11-29 04:49:43,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:43,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:43,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:43,315 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:43,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:49:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:43,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:49:43,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:43,549 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:49:43,550 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:49:43,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:49:43,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558234311] [2023-11-29 04:49:43,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:49:43,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052654770] [2023-11-29 04:49:43,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052654770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:49:43,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:49:43,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:49:43,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552707498] [2023-11-29 04:49:43,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:49:43,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:49:43,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:49:43,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:49:43,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:49:43,555 INFO L87 Difference]: Start difference. First operand 97 states and 158 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:49:43,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:49:43,606 INFO L93 Difference]: Finished difference Result 194 states and 317 transitions. [2023-11-29 04:49:43,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:49:43,607 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 144 [2023-11-29 04:49:43,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:49:43,610 INFO L225 Difference]: With dead ends: 194 [2023-11-29 04:49:43,610 INFO L226 Difference]: Without dead ends: 98 [2023-11-29 04:49:43,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:49:43,613 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 42 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:49:43,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 410 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:49:43,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-29 04:49:43,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2023-11-29 04:49:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 76 states have (on average 1.5657894736842106) internal successors, (119), 76 states have internal predecessors, (119), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 04:49:43,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 159 transitions. [2023-11-29 04:49:43,628 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 159 transitions. Word has length 144 [2023-11-29 04:49:43,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:49:43,631 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 159 transitions. [2023-11-29 04:49:43,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:49:43,631 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 159 transitions. [2023-11-29 04:49:43,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 04:49:43,634 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:43,634 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:49:43,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 04:49:43,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-29 04:49:43,841 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:43,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:43,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1807315636, now seen corresponding path program 1 times [2023-11-29 04:49:43,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:43,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096436495] [2023-11-29 04:49:43,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:43,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:43,897 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:49:43,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [495259607] [2023-11-29 04:49:43,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:43,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:43,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:43,899 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:43,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 04:49:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:44,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 04:49:44,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:44,269 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 267 proven. 45 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2023-11-29 04:49:44,269 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:49:44,448 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-29 04:49:44,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:49:44,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096436495] [2023-11-29 04:49:44,449 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:49:44,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495259607] [2023-11-29 04:49:44,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495259607] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:49:44,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:49:44,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-29 04:49:44,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667423517] [2023-11-29 04:49:44,450 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:49:44,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:49:44,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:49:44,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:49:44,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:49:44,453 INFO L87 Difference]: Start difference. First operand 98 states and 159 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-29 04:49:44,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:49:44,709 INFO L93 Difference]: Finished difference Result 203 states and 324 transitions. [2023-11-29 04:49:44,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 04:49:44,710 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 145 [2023-11-29 04:49:44,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:49:44,713 INFO L225 Difference]: With dead ends: 203 [2023-11-29 04:49:44,713 INFO L226 Difference]: Without dead ends: 106 [2023-11-29 04:49:44,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:49:44,715 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 111 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:49:44,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 319 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:49:44,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-29 04:49:44,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2023-11-29 04:49:44,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 79 states have (on average 1.518987341772152) internal successors, (120), 79 states have internal predecessors, (120), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 04:49:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 160 transitions. [2023-11-29 04:49:44,731 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 160 transitions. Word has length 145 [2023-11-29 04:49:44,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:49:44,732 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 160 transitions. [2023-11-29 04:49:44,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-29 04:49:44,733 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2023-11-29 04:49:44,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:49:44,736 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:44,736 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:49:44,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 04:49:44,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-29 04:49:44,945 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:44,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:44,945 INFO L85 PathProgramCache]: Analyzing trace with hash -378594048, now seen corresponding path program 1 times [2023-11-29 04:49:44,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:44,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821488937] [2023-11-29 04:49:44,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:44,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:44,990 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:49:44,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [538455144] [2023-11-29 04:49:44,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:44,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:44,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:44,992 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:44,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 04:49:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:45,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 04:49:45,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:46,041 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:49:46,041 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:49:46,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:49:46,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821488937] [2023-11-29 04:49:46,042 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:49:46,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538455144] [2023-11-29 04:49:46,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538455144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:49:46,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:49:46,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:49:46,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12910874] [2023-11-29 04:49:46,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:49:46,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:49:46,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:49:46,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:49:46,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:49:46,045 INFO L87 Difference]: Start difference. First operand 102 states and 160 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:49:46,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:49:46,331 INFO L93 Difference]: Finished difference Result 398 states and 628 transitions. [2023-11-29 04:49:46,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:49:46,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 147 [2023-11-29 04:49:46,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:49:46,336 INFO L225 Difference]: With dead ends: 398 [2023-11-29 04:49:46,336 INFO L226 Difference]: Without dead ends: 297 [2023-11-29 04:49:46,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:49:46,338 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 384 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:49:46,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 599 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:49:46,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-11-29 04:49:46,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 225. [2023-11-29 04:49:46,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 180 states have (on average 1.5222222222222221) internal successors, (274), 180 states have internal predecessors, (274), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 04:49:46,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 354 transitions. [2023-11-29 04:49:46,373 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 354 transitions. Word has length 147 [2023-11-29 04:49:46,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:49:46,373 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 354 transitions. [2023-11-29 04:49:46,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:49:46,374 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 354 transitions. [2023-11-29 04:49:46,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:49:46,383 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:46,383 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:49:46,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 04:49:46,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:46,584 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:46,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:46,585 INFO L85 PathProgramCache]: Analyzing trace with hash -159739330, now seen corresponding path program 1 times [2023-11-29 04:49:46,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:46,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126648100] [2023-11-29 04:49:46,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:46,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:46,625 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:49:46,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1775288418] [2023-11-29 04:49:46,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:46,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:46,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:46,627 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:46,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 04:49:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:46,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 04:49:46,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:47,176 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:49:47,177 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:49:47,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:49:47,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126648100] [2023-11-29 04:49:47,178 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:49:47,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775288418] [2023-11-29 04:49:47,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775288418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:49:47,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:49:47,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:49:47,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564097935] [2023-11-29 04:49:47,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:49:47,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:49:47,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:49:47,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:49:47,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:49:47,180 INFO L87 Difference]: Start difference. First operand 225 states and 354 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:49:47,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:49:47,417 INFO L93 Difference]: Finished difference Result 636 states and 1003 transitions. [2023-11-29 04:49:47,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:49:47,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 147 [2023-11-29 04:49:47,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:49:47,421 INFO L225 Difference]: With dead ends: 636 [2023-11-29 04:49:47,422 INFO L226 Difference]: Without dead ends: 412 [2023-11-29 04:49:47,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:49:47,423 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 135 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:49:47,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 404 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:49:47,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-29 04:49:47,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 383. [2023-11-29 04:49:47,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 316 states have (on average 1.5253164556962024) internal successors, (482), 316 states have internal predecessors, (482), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 04:49:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 602 transitions. [2023-11-29 04:49:47,469 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 602 transitions. Word has length 147 [2023-11-29 04:49:47,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:49:47,470 INFO L495 AbstractCegarLoop]: Abstraction has 383 states and 602 transitions. [2023-11-29 04:49:47,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:49:47,470 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 602 transitions. [2023-11-29 04:49:47,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:49:47,471 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:47,471 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:49:47,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 04:49:47,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:47,672 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:47,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:47,673 INFO L85 PathProgramCache]: Analyzing trace with hash -311837561, now seen corresponding path program 1 times [2023-11-29 04:49:47,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:47,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118873955] [2023-11-29 04:49:47,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:47,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:47,710 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:49:47,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [198253105] [2023-11-29 04:49:47,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:47,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:47,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:47,712 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:47,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 04:49:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:47,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:49:47,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:48,045 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:49:48,045 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:49:48,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:49:48,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118873955] [2023-11-29 04:49:48,046 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:49:48,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198253105] [2023-11-29 04:49:48,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198253105] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:49:48,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:49:48,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:49:48,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910764721] [2023-11-29 04:49:48,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:49:48,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:49:48,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:49:48,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:49:48,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:49:48,048 INFO L87 Difference]: Start difference. First operand 383 states and 602 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:49:48,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:49:48,384 INFO L93 Difference]: Finished difference Result 1111 states and 1757 transitions. [2023-11-29 04:49:48,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:49:48,385 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 147 [2023-11-29 04:49:48,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:49:48,392 INFO L225 Difference]: With dead ends: 1111 [2023-11-29 04:49:48,392 INFO L226 Difference]: Without dead ends: 799 [2023-11-29 04:49:48,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:49:48,394 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 329 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:49:48,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 561 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 04:49:48,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2023-11-29 04:49:48,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 763. [2023-11-29 04:49:48,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 652 states have (on average 1.539877300613497) internal successors, (1004), 652 states have internal predecessors, (1004), 100 states have call successors, (100), 10 states have call predecessors, (100), 10 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-11-29 04:49:48,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1204 transitions. [2023-11-29 04:49:48,456 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1204 transitions. Word has length 147 [2023-11-29 04:49:48,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:49:48,456 INFO L495 AbstractCegarLoop]: Abstraction has 763 states and 1204 transitions. [2023-11-29 04:49:48,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:49:48,456 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1204 transitions. [2023-11-29 04:49:48,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 04:49:48,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:48,459 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:49:48,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 04:49:48,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:48,660 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:48,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:48,660 INFO L85 PathProgramCache]: Analyzing trace with hash -308445036, now seen corresponding path program 1 times [2023-11-29 04:49:48,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:48,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448736648] [2023-11-29 04:49:48,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:48,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:48,692 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:49:48,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1810129739] [2023-11-29 04:49:48,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:48,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:48,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:48,694 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:48,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 04:49:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:48,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 04:49:48,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:49,278 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:49:49,278 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:49:49,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:49:49,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448736648] [2023-11-29 04:49:49,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:49:49,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810129739] [2023-11-29 04:49:49,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810129739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:49:49,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:49:49,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:49:49,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366960650] [2023-11-29 04:49:49,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:49:49,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:49:49,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:49:49,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:49:49,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:49:49,281 INFO L87 Difference]: Start difference. First operand 763 states and 1204 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:49:49,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:49:49,472 INFO L93 Difference]: Finished difference Result 1029 states and 1616 transitions. [2023-11-29 04:49:49,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:49:49,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 148 [2023-11-29 04:49:49,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:49:49,476 INFO L225 Difference]: With dead ends: 1029 [2023-11-29 04:49:49,476 INFO L226 Difference]: Without dead ends: 374 [2023-11-29 04:49:49,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:49:49,478 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 112 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:49:49,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 409 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:49:49,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2023-11-29 04:49:49,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 350. [2023-11-29 04:49:49,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 283 states have (on average 1.5229681978798586) internal successors, (431), 283 states have internal predecessors, (431), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 04:49:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 551 transitions. [2023-11-29 04:49:49,511 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 551 transitions. Word has length 148 [2023-11-29 04:49:49,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:49:49,512 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 551 transitions. [2023-11-29 04:49:49,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:49:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 551 transitions. [2023-11-29 04:49:49,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 04:49:49,514 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:49,514 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:49:49,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 04:49:49,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:49,715 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:49,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:49,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1336616052, now seen corresponding path program 1 times [2023-11-29 04:49:49,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:49,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869737953] [2023-11-29 04:49:49,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:49,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:49,748 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:49:49,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [714867628] [2023-11-29 04:49:49,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:49,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:49,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:49,750 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:49,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 04:49:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:49,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 04:49:49,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:50,528 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:49:50,529 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:49:50,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:49:50,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869737953] [2023-11-29 04:49:50,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:49:50,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714867628] [2023-11-29 04:49:50,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714867628] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:49:50,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:49:50,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:49:50,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075423564] [2023-11-29 04:49:50,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:49:50,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:49:50,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:49:50,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:49:50,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:49:50,531 INFO L87 Difference]: Start difference. First operand 350 states and 551 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:49:50,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:49:50,710 INFO L93 Difference]: Finished difference Result 677 states and 1064 transitions. [2023-11-29 04:49:50,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:49:50,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 149 [2023-11-29 04:49:50,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:49:50,714 INFO L225 Difference]: With dead ends: 677 [2023-11-29 04:49:50,714 INFO L226 Difference]: Without dead ends: 373 [2023-11-29 04:49:50,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:49:50,716 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 108 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:49:50,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 423 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:49:50,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-11-29 04:49:50,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 349. [2023-11-29 04:49:50,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 282 states have (on average 1.49645390070922) internal successors, (422), 282 states have internal predecessors, (422), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 04:49:50,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 542 transitions. [2023-11-29 04:49:50,746 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 542 transitions. Word has length 149 [2023-11-29 04:49:50,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:49:50,747 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 542 transitions. [2023-11-29 04:49:50,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:49:50,747 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 542 transitions. [2023-11-29 04:49:50,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 04:49:50,749 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:50,749 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:49:50,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 04:49:50,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 04:49:50,950 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:50,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:50,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1724259355, now seen corresponding path program 1 times [2023-11-29 04:49:50,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:50,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086199470] [2023-11-29 04:49:50,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:50,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:50,971 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:49:50,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1585667393] [2023-11-29 04:49:50,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:50,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:50,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:50,973 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:50,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 04:49:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:51,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 04:49:51,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 460 proven. 30 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-11-29 04:49:51,647 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:49:51,934 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-29 04:49:51,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:49:51,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086199470] [2023-11-29 04:49:51,934 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:49:51,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585667393] [2023-11-29 04:49:51,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585667393] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:49:51,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:49:51,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2023-11-29 04:49:51,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645400508] [2023-11-29 04:49:51,935 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:49:51,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 04:49:51,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:49:51,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 04:49:51,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2023-11-29 04:49:51,937 INFO L87 Difference]: Start difference. First operand 349 states and 542 transitions. Second operand has 16 states, 16 states have (on average 6.1875) internal successors, (99), 16 states have internal predecessors, (99), 6 states have call successors, (40), 4 states have call predecessors, (40), 6 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) [2023-11-29 04:49:52,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:49:52,776 INFO L93 Difference]: Finished difference Result 1079 states and 1683 transitions. [2023-11-29 04:49:52,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 04:49:52,777 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.1875) internal successors, (99), 16 states have internal predecessors, (99), 6 states have call successors, (40), 4 states have call predecessors, (40), 6 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) Word has length 151 [2023-11-29 04:49:52,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:49:52,782 INFO L225 Difference]: With dead ends: 1079 [2023-11-29 04:49:52,782 INFO L226 Difference]: Without dead ends: 793 [2023-11-29 04:49:52,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2023-11-29 04:49:52,784 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 794 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:49:52,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 997 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 04:49:52,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2023-11-29 04:49:52,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 650. [2023-11-29 04:49:52,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 536 states have (on average 1.5037313432835822) internal successors, (806), 536 states have internal predecessors, (806), 100 states have call successors, (100), 13 states have call predecessors, (100), 13 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-11-29 04:49:52,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1006 transitions. [2023-11-29 04:49:52,837 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1006 transitions. Word has length 151 [2023-11-29 04:49:52,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:49:52,838 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 1006 transitions. [2023-11-29 04:49:52,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.1875) internal successors, (99), 16 states have internal predecessors, (99), 6 states have call successors, (40), 4 states have call predecessors, (40), 6 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) [2023-11-29 04:49:52,838 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1006 transitions. [2023-11-29 04:49:52,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 04:49:52,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:52,841 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:49:52,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 04:49:53,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:53,042 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:53,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:53,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1943114073, now seen corresponding path program 1 times [2023-11-29 04:49:53,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:53,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628789991] [2023-11-29 04:49:53,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:53,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:53,069 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:49:53,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1696382961] [2023-11-29 04:49:53,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:53,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:53,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:53,071 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:53,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 04:49:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:49:53,251 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:49:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:49:53,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:49:53,434 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 04:49:53,435 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:49:53,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 04:49:53,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:53,640 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:49:53,643 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:49:53,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 04:49:53,735 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 04:49:53,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-29 04:49:53,738 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-29 04:49:53,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-29 04:49:53,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-29 04:49:53,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-29 04:49:53,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-29 04:49:53,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-29 04:49:53,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-29 04:49:53,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated [2023-11-29 04:49:53,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-29 04:49:53,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-29 04:49:53,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-29 04:49:53,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:49:53 BoogieIcfgContainer [2023-11-29 04:49:53,767 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:49:53,768 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:49:53,768 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:49:53,768 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:49:53,769 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:49:42" (3/4) ... [2023-11-29 04:49:53,771 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:49:53,772 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:49:53,772 INFO L158 Benchmark]: Toolchain (without parser) took 12707.32ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 136.3MB in the beginning and 115.6MB in the end (delta: 20.7MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. [2023-11-29 04:49:53,772 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:49:53,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.43ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 135.2MB in the end (delta: 1.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 04:49:53,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.65ms. Allocated memory is still 169.9MB. Free memory was 135.2MB in the beginning and 129.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:49:53,773 INFO L158 Benchmark]: Boogie Preprocessor took 78.16ms. Allocated memory is still 169.9MB. Free memory was 129.0MB in the beginning and 120.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 04:49:53,774 INFO L158 Benchmark]: RCFGBuilder took 699.35ms. Allocated memory is still 169.9MB. Free memory was 120.6MB in the beginning and 79.7MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-29 04:49:53,774 INFO L158 Benchmark]: TraceAbstraction took 11454.56ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 79.7MB in the beginning and 115.6MB in the end (delta: -35.9MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2023-11-29 04:49:53,774 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 247.5MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:49:53,776 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.43ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 135.2MB in the end (delta: 1.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.65ms. Allocated memory is still 169.9MB. Free memory was 135.2MB in the beginning and 129.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.16ms. Allocated memory is still 169.9MB. Free memory was 129.0MB in the beginning and 120.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 699.35ms. Allocated memory is still 169.9MB. Free memory was 120.6MB in the beginning and 79.7MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11454.56ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 79.7MB in the beginning and 115.6MB in the end (delta: -35.9MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 247.5MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 189, overapproximation of bitwiseOr at line 189, overapproximation of bitwiseAnd at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 4.75; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_6 = -4; [L25] double var_1_7 = 49.8; [L26] double var_1_8 = 255.625; [L27] unsigned short int var_1_9 = 10; [L28] unsigned short int var_1_11 = 10000; [L29] signed char var_1_12 = 100; [L30] signed char var_1_13 = 16; [L31] unsigned long int var_1_14 = 4; [L32] signed short int var_1_15 = -16; [L33] unsigned char var_1_17 = 5; [L34] double var_1_18 = 64.75; [L35] double var_1_19 = 99.5; [L36] unsigned long int var_1_20 = 32; [L37] unsigned long int var_1_22 = 32; [L38] unsigned long int var_1_23 = 2461517415; [L39] unsigned long int var_1_24 = 1399914902; [L40] unsigned char var_1_25 = 2; [L41] signed long int var_1_26 = 4; [L42] unsigned char var_1_27 = 0; [L43] unsigned short int var_1_28 = 32; [L44] unsigned short int var_1_29 = 36457; [L45] double last_1_var_1_1 = 4.75; [L46] unsigned short int last_1_var_1_9 = 10; [L47] unsigned short int last_1_var_1_11 = 10000; [L48] unsigned long int last_1_var_1_14 = 4; [L49] signed short int last_1_var_1_15 = -16; [L50] unsigned char last_1_var_1_17 = 5; [L51] double last_1_var_1_18 = 64.75; [L52] unsigned long int last_1_var_1_20 = 32; [L53] unsigned long int last_1_var_1_22 = 32; [L54] unsigned char last_1_var_1_25 = 2; [L55] signed long int last_1_var_1_26 = 4; [L56] unsigned short int last_1_var_1_28 = 32; [L193] isInitial = 1 [L194] FCALL initially() [L195] COND TRUE 1 [L196] CALL updateLastVariables() [L175] last_1_var_1_1 = var_1_1 [L176] last_1_var_1_9 = var_1_9 [L177] last_1_var_1_11 = var_1_11 [L178] last_1_var_1_14 = var_1_14 [L179] last_1_var_1_15 = var_1_15 [L180] last_1_var_1_17 = var_1_17 [L181] last_1_var_1_18 = var_1_18 [L182] last_1_var_1_20 = var_1_20 [L183] last_1_var_1_22 = var_1_22 [L184] last_1_var_1_25 = var_1_25 [L185] last_1_var_1_26 = var_1_26 [L186] last_1_var_1_28 = var_1_28 [L196] RET updateLastVariables() [L197] CALL updateVariables() [L142] var_1_2 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L143] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L144] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L144] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L145] var_1_6 = __VERIFIER_nondet_long() [L146] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L146] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L147] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L147] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L148] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L148] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L149] var_1_7 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_8=2045/8, var_1_9=10] [L150] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_8=2045/8, var_1_9=10] [L151] var_1_8 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L152] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L153] var_1_12 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L154] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L155] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L155] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L156] var_1_13 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L157] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L158] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L158] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L159] var_1_19 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && 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_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L160] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && 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_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L161] var_1_23 = __VERIFIER_nondet_ulong() [L162] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L162] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L163] CALL assume_abort_if_not(var_1_23 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L163] RET assume_abort_if_not(var_1_23 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L164] var_1_24 = __VERIFIER_nondet_ulong() [L165] CALL assume_abort_if_not(var_1_24 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L165] RET assume_abort_if_not(var_1_24 >= 1073741823) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L166] CALL assume_abort_if_not(var_1_24 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L166] RET assume_abort_if_not(var_1_24 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L167] var_1_27 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L168] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L169] CALL assume_abort_if_not(var_1_27 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L169] RET assume_abort_if_not(var_1_27 <= 1) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_9=10] [L170] var_1_29 = __VERIFIER_nondet_ushort() [L171] CALL assume_abort_if_not(var_1_29 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_9=10] [L171] RET assume_abort_if_not(var_1_29 >= 32767) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_9=10] [L172] CALL assume_abort_if_not(var_1_29 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_9=10] [L172] RET assume_abort_if_not(var_1_29 <= 65534) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_9=10] [L197] RET updateVariables() [L198] CALL step() [L60] EXPR var_1_6 & 10000 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_9=10] [L60] signed long int stepLocal_0 = var_1_6 & 10000; [L61] EXPR (last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_9=10] [L61] COND TRUE ((last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9) < stepLocal_0 [L62] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_9=10] [L66] COND TRUE last_1_var_1_14 <= last_1_var_1_15 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_9=10] [L67] COND TRUE ((last_1_var_1_26 % var_1_6) * (last_1_var_1_17 / 1000000000u)) >= ((((10u) < (var_1_13)) ? (10u) : (var_1_13))) [L68] var_1_14 = var_1_13 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_9=10] [L75] COND FALSE !(last_1_var_1_20 > last_1_var_1_15) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_9=10] [L80] COND TRUE last_1_var_1_14 <= 16 [L81] var_1_9 = last_1_var_1_25 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_9=2] [L84] unsigned long int stepLocal_5 = (3423867512u - var_1_13) - var_1_24; [L85] signed long int stepLocal_4 = 8; VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_4=8, stepLocal_5=2350125689, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_9=2] [L86] EXPR last_1_var_1_17 & ((((last_1_var_1_25) < 0 ) ? -(last_1_var_1_25) : (last_1_var_1_25))) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_4=8, stepLocal_5=2350125689, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_9=2] [L86] COND TRUE stepLocal_4 > (last_1_var_1_17 & ((((last_1_var_1_25) < 0 ) ? -(last_1_var_1_25) : (last_1_var_1_25)))) [L87] COND FALSE !(var_1_8 >= last_1_var_1_18) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_4=8, stepLocal_5=2350125689, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_9=2] [L95] EXPR last_1_var_1_11 >> var_1_14 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_4=8, stepLocal_5=2350125689, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_9=2] [L95] COND FALSE !(! ((var_1_12 - var_1_13) <= (last_1_var_1_11 >> var_1_14))) [L98] signed char stepLocal_1 = var_1_13; VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_4=8, stepLocal_5=2350125689, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_9=2] [L99] COND TRUE (var_1_9 + var_1_25) >= stepLocal_1 [L100] var_1_18 = ((((var_1_7) > (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19))))) ? (var_1_7) : (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19)))))) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_4=8, stepLocal_5=2350125689, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=2, var_1_19=0, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=0, var_1_9=2] [L102] var_1_17 = var_1_13 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_4=8, stepLocal_5=2350125689, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=0, var_1_9=2] [L103] COND TRUE ! var_1_2 [L104] var_1_22 = (var_1_23 - var_1_25) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_4=8, stepLocal_5=2350125689, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=2, var_1_20=32, var_1_22=2147483645, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=0, var_1_9=2] [L108] COND FALSE !(var_1_7 >= 4.5) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_4=8, stepLocal_5=2350125689, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=2, var_1_20=32, var_1_22=2147483645, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=0, var_1_9=2] [L111] var_1_28 = (var_1_29 - (var_1_13 + ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) [L112] unsigned long int stepLocal_3 = var_1_22; [L113] signed char stepLocal_2 = var_1_13; VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_2=0, stepLocal_3=2147483645, stepLocal_4=8, stepLocal_5=2350125689, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=2, var_1_20=32, var_1_22=2147483645, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32751, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=0, var_1_9=2] [L114] COND TRUE stepLocal_2 == (var_1_6 * (var_1_12 - 64)) [L115] var_1_20 = var_1_17 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_2=0, stepLocal_3=2147483645, stepLocal_4=8, stepLocal_5=2350125689, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32751, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=0, var_1_9=2] [L125] unsigned long int stepLocal_7 = var_1_14; [L126] unsigned long int stepLocal_6 = var_1_23; VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_2=0, stepLocal_3=2147483645, stepLocal_4=8, stepLocal_5=2350125689, stepLocal_6=2147483647, stepLocal_7=0, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32751, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=0, var_1_9=2] [L127] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_2=0, stepLocal_3=2147483645, stepLocal_4=8, stepLocal_5=2350125689, stepLocal_6=2147483647, stepLocal_7=0, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32751, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=0, var_1_9=2] [L198] RET step() [L199] CALL, EXPR property() [L189] EXPR (last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32751, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=0, var_1_9=2] [L189] EXPR var_1_6 & 10000 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32751, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=0, var_1_9=2] [L189] EXPR (((((last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9) < (var_1_6 & 10000)) ? (var_1_1 == ((double) var_1_7)) : (var_1_1 == ((double) ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))))) && ((last_1_var_1_20 > last_1_var_1_15) ? ((last_1_var_1_1 < var_1_7) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1) : ((last_1_var_1_14 <= 16) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1))) && ((! ((var_1_12 - var_1_13) <= (last_1_var_1_11 >> var_1_14))) ? (var_1_11 == ((unsigned short int) var_1_13)) : 1) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32751, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=0, var_1_9=2] [L189] EXPR ((((((((((((last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9) < (var_1_6 & 10000)) ? (var_1_1 == ((double) var_1_7)) : (var_1_1 == ((double) ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))))) && ((last_1_var_1_20 > last_1_var_1_15) ? ((last_1_var_1_1 < var_1_7) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1) : ((last_1_var_1_14 <= 16) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1))) && ((! ((var_1_12 - var_1_13) <= (last_1_var_1_11 >> var_1_14))) ? (var_1_11 == ((unsigned short int) var_1_13)) : 1)) && ((last_1_var_1_14 <= last_1_var_1_15) ? ((((last_1_var_1_26 % var_1_6) * (last_1_var_1_17 / 1000000000u)) >= ((((10u) < (var_1_13)) ? (10u) : (var_1_13)))) ? (var_1_14 == ((unsigned long int) var_1_13)) : (var_1_14 == ((unsigned long int) last_1_var_1_22))) : (var_1_14 == ((unsigned long int) last_1_var_1_26)))) && ((var_1_7 >= 4.5) ? (var_1_15 == ((signed short int) (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) - ((((var_1_13) > (var_1_25)) ? (var_1_13) : (var_1_25)))))) : 1)) && (var_1_17 == ((unsigned char) var_1_13))) && (((var_1_9 + var_1_25) >= var_1_13) ? (var_1_18 == ((double) ((((var_1_7) > (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19))))) ? (var_1_7) : (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19)))))))) : 1)) && ((var_1_13 == (var_1_6 * (var_1_12 - 64))) ? (var_1_20 == ((unsigned long int) var_1_17)) : ((! (var_1_7 <= (var_1_1 * var_1_8))) ? ((var_1_28 < var_1_22) ? (var_1_20 == ((unsigned long int) var_1_9)) : (var_1_20 == ((unsigned long int) var_1_9))) : 1))) && ((! var_1_2) ? (var_1_22 == ((unsigned long int) (var_1_23 - var_1_25))) : (var_1_22 == ((unsigned long int) (var_1_17 + (var_1_24 - var_1_9)))))) && ((8 > (last_1_var_1_17 & ((((last_1_var_1_25) < 0 ) ? -(last_1_var_1_25) : (last_1_var_1_25))))) ? ((var_1_8 >= last_1_var_1_18) ? ((((last_1_var_1_28 | last_1_var_1_25) + last_1_var_1_11) < ((3423867512u - var_1_13) - var_1_24)) ? (var_1_25 == ((unsigned char) var_1_13)) : 1) : 1) : (var_1_25 == ((unsigned char) var_1_13))) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32751, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=0, var_1_9=2] [L189-L190] return ((((((((((((((last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9) < (var_1_6 & 10000)) ? (var_1_1 == ((double) var_1_7)) : (var_1_1 == ((double) ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))))) && ((last_1_var_1_20 > last_1_var_1_15) ? ((last_1_var_1_1 < var_1_7) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1) : ((last_1_var_1_14 <= 16) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1))) && ((! ((var_1_12 - var_1_13) <= (last_1_var_1_11 >> var_1_14))) ? (var_1_11 == ((unsigned short int) var_1_13)) : 1)) && ((last_1_var_1_14 <= last_1_var_1_15) ? ((((last_1_var_1_26 % var_1_6) * (last_1_var_1_17 / 1000000000u)) >= ((((10u) < (var_1_13)) ? (10u) : (var_1_13)))) ? (var_1_14 == ((unsigned long int) var_1_13)) : (var_1_14 == ((unsigned long int) last_1_var_1_22))) : (var_1_14 == ((unsigned long int) last_1_var_1_26)))) && ((var_1_7 >= 4.5) ? (var_1_15 == ((signed short int) (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) - ((((var_1_13) > (var_1_25)) ? (var_1_13) : (var_1_25)))))) : 1)) && (var_1_17 == ((unsigned char) var_1_13))) && (((var_1_9 + var_1_25) >= var_1_13) ? (var_1_18 == ((double) ((((var_1_7) > (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19))))) ? (var_1_7) : (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19)))))))) : 1)) && ((var_1_13 == (var_1_6 * (var_1_12 - 64))) ? (var_1_20 == ((unsigned long int) var_1_17)) : ((! (var_1_7 <= (var_1_1 * var_1_8))) ? ((var_1_28 < var_1_22) ? (var_1_20 == ((unsigned long int) var_1_9)) : (var_1_20 == ((unsigned long int) var_1_9))) : 1))) && ((! var_1_2) ? (var_1_22 == ((unsigned long int) (var_1_23 - var_1_25))) : (var_1_22 == ((unsigned long int) (var_1_17 + (var_1_24 - var_1_9)))))) && ((8 > (last_1_var_1_17 & ((((last_1_var_1_25) < 0 ) ? -(last_1_var_1_25) : (last_1_var_1_25))))) ? ((var_1_8 >= last_1_var_1_18) ? ((((last_1_var_1_28 | last_1_var_1_25) + last_1_var_1_11) < ((3423867512u - var_1_13) - var_1_24)) ? (var_1_25 == ((unsigned char) var_1_13)) : 1) : 1) : (var_1_25 == ((unsigned char) var_1_13)))) && (var_1_2 ? ((var_1_23 >= var_1_25) ? (((var_1_25 - 10) <= var_1_14) ? (var_1_27 ? (var_1_26 == ((signed long int) (((((((((var_1_25) < (var_1_22)) ? (var_1_25) : (var_1_22)))) < (var_1_17)) ? (((((var_1_25) < (var_1_22)) ? (var_1_25) : (var_1_22)))) : (var_1_17))) + var_1_17))) : 1) : (var_1_26 == ((signed long int) ((((var_1_12) < (var_1_17)) ? (var_1_12) : (var_1_17)))))) : (var_1_26 == ((signed long int) ((-32 + var_1_22) + var_1_14)))) : 1)) && (var_1_28 == ((unsigned short int) (var_1_29 - (var_1_13 + ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))))) ; [L199] RET, EXPR property() [L199] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32751, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=0, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=1073741823, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32751, var_1_29=32767, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 10, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2034 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2015 mSDsluCounter, 4277 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3002 mSDsCounter, 392 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1330 IncrementalHoareTripleChecker+Invalid, 1722 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 392 mSolverCounterUnsat, 1275 mSDtfsCounter, 1330 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1630 GetRequests, 1575 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=763occurred in iteration=6, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 332 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1617 NumberOfCodeBlocks, 1617 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1607 ConstructedInterpolants, 0 QuantifiedInterpolants, 7500 SizeOfPredicates, 22 NumberOfNonLiveVariables, 3621 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 8210/8360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 04:49:53,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b670c0ce186fd09c40b80582419dd7d06ef4a420fd0c29de5d521d6799e6a1a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:49:55,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:49:55,846 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 04:49:55,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:49:55,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:49:55,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:49:55,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:49:55,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:49:55,890 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:49:55,891 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:49:55,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:49:55,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:49:55,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:49:55,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:49:55,894 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:49:55,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:49:55,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:49:55,896 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:49:55,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:49:55,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:49:55,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:49:55,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:49:55,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:49:55,900 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:49:55,900 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 04:49:55,901 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 04:49:55,901 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:49:55,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:49:55,902 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:49:55,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:49:55,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:49:55,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:49:55,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:49:55,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:49:55,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:49:55,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:49:55,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:49:55,905 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 04:49:55,906 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 04:49:55,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:49:55,906 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:49:55,906 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:49:55,906 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:49:55,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:49:55,907 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 04:49:55,907 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b670c0ce186fd09c40b80582419dd7d06ef4a420fd0c29de5d521d6799e6a1a [2023-11-29 04:49:56,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:49:56,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:49:56,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:49:56,209 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:49:56,210 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:49:56,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-11.i [2023-11-29 04:49:59,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:49:59,229 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:49:59,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-11.i [2023-11-29 04:49:59,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/data/c7243e740/047e45b6cccf4debbdf702fb3fed252b/FLAGbfef0bd2e [2023-11-29 04:49:59,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/data/c7243e740/047e45b6cccf4debbdf702fb3fed252b [2023-11-29 04:49:59,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:49:59,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:49:59,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:49:59,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:49:59,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:49:59,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:49:59" (1/1) ... [2023-11-29 04:49:59,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79929859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:59, skipping insertion in model container [2023-11-29 04:49:59,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:49:59" (1/1) ... [2023-11-29 04:49:59,303 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:49:59,431 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_19de3a6d-eac9-490d-9665-549eb9794e2a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-11.i[916,929] [2023-11-29 04:49:59,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:49:59,514 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:49:59,524 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_19de3a6d-eac9-490d-9665-549eb9794e2a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-11.i[916,929] [2023-11-29 04:49:59,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:49:59,587 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:49:59,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:59 WrapperNode [2023-11-29 04:49:59,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:49:59,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:49:59,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:49:59,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:49:59,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:59" (1/1) ... [2023-11-29 04:49:59,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:59" (1/1) ... [2023-11-29 04:49:59,644 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-11-29 04:49:59,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:49:59,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:49:59,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:49:59,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:49:59,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:59" (1/1) ... [2023-11-29 04:49:59,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:59" (1/1) ... [2023-11-29 04:49:59,664 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:59" (1/1) ... [2023-11-29 04:49:59,680 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:49:59,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:59" (1/1) ... [2023-11-29 04:49:59,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:59" (1/1) ... [2023-11-29 04:49:59,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:59" (1/1) ... [2023-11-29 04:49:59,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:59" (1/1) ... [2023-11-29 04:49:59,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:59" (1/1) ... [2023-11-29 04:49:59,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:59" (1/1) ... [2023-11-29 04:49:59,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:49:59,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:49:59,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:49:59,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:49:59,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:59" (1/1) ... [2023-11-29 04:49:59,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:49:59,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:59,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:49:59,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:49:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:49:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 04:49:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:49:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:49:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:49:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:49:59,888 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:49:59,889 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:50:05,614 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:50:05,685 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:50:05,685 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:50:05,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:50:05 BoogieIcfgContainer [2023-11-29 04:50:05,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:50:05,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:50:05,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:50:05,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:50:05,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:49:59" (1/3) ... [2023-11-29 04:50:05,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282294a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:50:05, skipping insertion in model container [2023-11-29 04:50:05,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:59" (2/3) ... [2023-11-29 04:50:05,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282294a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:50:05, skipping insertion in model container [2023-11-29 04:50:05,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:50:05" (3/3) ... [2023-11-29 04:50:05,696 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-11.i [2023-11-29 04:50:05,715 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:50:05,715 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:50:05,765 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:50:05,771 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=PETRI_NET, 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;@7c53b25b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:50:05,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:50:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 47 states have internal predecessors, (71), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 04:50:05,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 04:50:05,793 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:50:05,794 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:50:05,794 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:50:05,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:05,800 INFO L85 PathProgramCache]: Analyzing trace with hash 391274119, now seen corresponding path program 1 times [2023-11-29 04:50:05,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:50:05,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695120364] [2023-11-29 04:50:05,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:05,816 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:50:05,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:50:05,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:50:05,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 04:50:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:06,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:50:06,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:50:06,359 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-29 04:50:06,360 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:50:06,360 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:50:06,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [695120364] [2023-11-29 04:50:06,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [695120364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:06,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:06,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:50:06,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097342367] [2023-11-29 04:50:06,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:06,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:50:06,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:50:06,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:50:06,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:50:06,399 INFO L87 Difference]: Start difference. First operand has 69 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 47 states have internal predecessors, (71), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 04:50:09,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:50:09,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:50:09,893 INFO L93 Difference]: Finished difference Result 135 states and 240 transitions. [2023-11-29 04:50:09,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:50:09,939 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 132 [2023-11-29 04:50:09,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:50:09,946 INFO L225 Difference]: With dead ends: 135 [2023-11-29 04:50:09,946 INFO L226 Difference]: Without dead ends: 67 [2023-11-29 04:50:09,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:50:09,953 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:50:09,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 04:50:09,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-29 04:50:09,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-29 04:50:10,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 45 states have (on average 1.4666666666666666) internal successors, (66), 45 states have internal predecessors, (66), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 04:50:10,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 106 transitions. [2023-11-29 04:50:10,004 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 106 transitions. Word has length 132 [2023-11-29 04:50:10,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:50:10,005 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 106 transitions. [2023-11-29 04:50:10,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 04:50:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 106 transitions. [2023-11-29 04:50:10,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 04:50:10,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:50:10,009 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:50:10,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:50:10,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:50:10,211 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:50:10,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:10,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1277340431, now seen corresponding path program 1 times [2023-11-29 04:50:10,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:50:10,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087641587] [2023-11-29 04:50:10,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:10,212 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:50:10,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:50:10,214 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:50:10,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 04:50:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:10,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:50:10,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:50:12,349 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:50:12,349 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:50:12,349 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:50:12,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087641587] [2023-11-29 04:50:12,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087641587] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:12,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:12,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:50:12,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738565195] [2023-11-29 04:50:12,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:12,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:50:12,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:50:12,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:50:12,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:50:12,355 INFO L87 Difference]: Start difference. First operand 67 states and 106 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:50:16,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:50:18,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:50:18,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:50:18,874 INFO L93 Difference]: Finished difference Result 200 states and 317 transitions. [2023-11-29 04:50:18,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:50:18,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 132 [2023-11-29 04:50:18,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:50:18,917 INFO L225 Difference]: With dead ends: 200 [2023-11-29 04:50:18,918 INFO L226 Difference]: Without dead ends: 134 [2023-11-29 04:50:18,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:50:18,920 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 65 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:50:18,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 283 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2023-11-29 04:50:18,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-29 04:50:18,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 108. [2023-11-29 04:50:18,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 65 states have internal predecessors, (89), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 04:50:18,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 169 transitions. [2023-11-29 04:50:18,959 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 169 transitions. Word has length 132 [2023-11-29 04:50:18,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:50:18,960 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 169 transitions. [2023-11-29 04:50:18,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:50:18,961 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 169 transitions. [2023-11-29 04:50:18,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 04:50:18,964 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:50:18,964 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:50:18,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 04:50:19,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:50:19,169 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:50:19,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:19,170 INFO L85 PathProgramCache]: Analyzing trace with hash 602377574, now seen corresponding path program 1 times [2023-11-29 04:50:19,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:50:19,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766206967] [2023-11-29 04:50:19,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:19,171 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:50:19,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:50:19,173 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:50:19,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 04:50:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:19,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:50:19,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:50:21,077 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:50:21,078 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:50:21,078 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:50:21,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [766206967] [2023-11-29 04:50:21,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [766206967] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:21,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:21,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:50:21,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315389630] [2023-11-29 04:50:21,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:21,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:50:21,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:50:21,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:50:21,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:50:21,082 INFO L87 Difference]: Start difference. First operand 108 states and 169 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:50:25,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:50:27,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:50:27,036 INFO L93 Difference]: Finished difference Result 254 states and 399 transitions. [2023-11-29 04:50:27,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:50:27,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2023-11-29 04:50:27,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:50:27,040 INFO L225 Difference]: With dead ends: 254 [2023-11-29 04:50:27,040 INFO L226 Difference]: Without dead ends: 188 [2023-11-29 04:50:27,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:50:27,043 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 102 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:50:27,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 314 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2023-11-29 04:50:27,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-29 04:50:27,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 170. [2023-11-29 04:50:27,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 106 states have (on average 1.3867924528301887) internal successors, (147), 106 states have internal predecessors, (147), 60 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 04:50:27,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 267 transitions. [2023-11-29 04:50:27,091 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 267 transitions. Word has length 133 [2023-11-29 04:50:27,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:50:27,092 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 267 transitions. [2023-11-29 04:50:27,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:50:27,092 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 267 transitions. [2023-11-29 04:50:27,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 04:50:27,095 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:50:27,095 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:50:27,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 04:50:27,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:50:27,301 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:50:27,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:27,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1245352858, now seen corresponding path program 1 times [2023-11-29 04:50:27,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:50:27,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259171429] [2023-11-29 04:50:27,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:27,303 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:50:27,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:50:27,304 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:50:27,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 04:50:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:27,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:50:27,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:50:28,258 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:50:28,258 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:50:28,259 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:50:28,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1259171429] [2023-11-29 04:50:28,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1259171429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:28,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:28,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:50:28,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262617104] [2023-11-29 04:50:28,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:28,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:50:28,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:50:28,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:50:28,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:50:28,261 INFO L87 Difference]: Start difference. First operand 170 states and 267 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:50:33,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:50:34,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:50:36,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:50:40,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:50:40,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:50:40,329 INFO L93 Difference]: Finished difference Result 465 states and 736 transitions. [2023-11-29 04:50:40,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:50:40,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2023-11-29 04:50:40,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:50:40,378 INFO L225 Difference]: With dead ends: 465 [2023-11-29 04:50:40,378 INFO L226 Difference]: Without dead ends: 337 [2023-11-29 04:50:40,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:50:40,380 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 137 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:50:40,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 333 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 88 Invalid, 1 Unknown, 0 Unchecked, 12.0s Time] [2023-11-29 04:50:40,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2023-11-29 04:50:40,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 296. [2023-11-29 04:50:40,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 190 states have (on average 1.4105263157894736) internal successors, (268), 190 states have internal predecessors, (268), 100 states have call successors, (100), 5 states have call predecessors, (100), 5 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-11-29 04:50:40,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 468 transitions. [2023-11-29 04:50:40,454 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 468 transitions. Word has length 133 [2023-11-29 04:50:40,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:50:40,455 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 468 transitions. [2023-11-29 04:50:40,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:50:40,456 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 468 transitions. [2023-11-29 04:50:40,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 04:50:40,458 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:50:40,458 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:50:40,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 04:50:40,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:50:40,659 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:50:40,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:40,660 INFO L85 PathProgramCache]: Analyzing trace with hash 836622955, now seen corresponding path program 1 times [2023-11-29 04:50:40,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:50:40,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653885323] [2023-11-29 04:50:40,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:40,660 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:50:40,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:50:40,661 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:50:40,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 04:50:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:41,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:50:41,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:50:42,708 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 397 proven. 30 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2023-11-29 04:50:42,708 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:50:43,423 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:50:43,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653885323] [2023-11-29 04:50:43,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [653885323] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:50:43,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [713334733] [2023-11-29 04:50:43,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:43,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 04:50:43,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 04:50:43,438 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 04:50:43,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-29 04:50:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:44,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 04:50:44,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:50:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:50:47,312 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:50:47,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [713334733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:47,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:50:47,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2023-11-29 04:50:47,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291477600] [2023-11-29 04:50:47,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:47,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:50:47,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:50:47,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:50:47,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2023-11-29 04:50:47,315 INFO L87 Difference]: Start difference. First operand 296 states and 468 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:50:55,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:50:59,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:51:03,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:51:07,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:51:13,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:51:15,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:51:15,124 INFO L93 Difference]: Finished difference Result 725 states and 1135 transitions. [2023-11-29 04:51:15,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:51:15,134 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2023-11-29 04:51:15,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:51:15,139 INFO L225 Difference]: With dead ends: 725 [2023-11-29 04:51:15,139 INFO L226 Difference]: Without dead ends: 471 [2023-11-29 04:51:15,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2023-11-29 04:51:15,141 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 214 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 40 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:51:15,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 449 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 333 Invalid, 2 Unknown, 0 Unchecked, 26.9s Time] [2023-11-29 04:51:15,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2023-11-29 04:51:15,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 396. [2023-11-29 04:51:15,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 270 states have (on average 1.4259259259259258) internal successors, (385), 272 states have internal predecessors, (385), 118 states have call successors, (118), 7 states have call predecessors, (118), 7 states have return successors, (118), 116 states have call predecessors, (118), 118 states have call successors, (118) [2023-11-29 04:51:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 621 transitions. [2023-11-29 04:51:15,195 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 621 transitions. Word has length 134 [2023-11-29 04:51:15,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:51:15,195 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 621 transitions. [2023-11-29 04:51:15,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:51:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 621 transitions. [2023-11-29 04:51:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 04:51:15,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:51:15,198 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:51:15,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 04:51:15,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-29 04:51:15,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 04:51:15,599 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:51:15,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:51:15,600 INFO L85 PathProgramCache]: Analyzing trace with hash 135558377, now seen corresponding path program 1 times [2023-11-29 04:51:15,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:51:15,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438909426] [2023-11-29 04:51:15,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:51:15,601 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:51:15,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:51:15,602 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:51:15,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-29 04:51:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:51:15,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:51:15,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:51:17,763 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 397 proven. 30 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2023-11-29 04:51:17,763 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:51:18,550 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:51:18,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438909426] [2023-11-29 04:51:18,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [438909426] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:51:18,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [562726018] [2023-11-29 04:51:18,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:51:18,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 04:51:18,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 04:51:18,552 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 04:51:18,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-29 04:51:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:51:19,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 04:51:19,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:51:23,053 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:51:23,053 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:51:23,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [562726018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:51:23,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:51:23,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2023-11-29 04:51:23,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490621739] [2023-11-29 04:51:23,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:51:23,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:51:23,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:51:23,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:51:23,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2023-11-29 04:51:23,055 INFO L87 Difference]: Start difference. First operand 396 states and 621 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:51:27,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:51:30,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:51:33,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:51:37,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:51:43,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 04:51:45,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:51:45,628 INFO L93 Difference]: Finished difference Result 1084 states and 1693 transitions. [2023-11-29 04:51:45,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:51:45,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2023-11-29 04:51:45,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:51:45,645 INFO L225 Difference]: With dead ends: 1084 [2023-11-29 04:51:45,646 INFO L226 Difference]: Without dead ends: 732 [2023-11-29 04:51:45,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 276 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2023-11-29 04:51:45,649 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 269 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 100 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:51:45,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 407 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 276 Invalid, 2 Unknown, 0 Unchecked, 21.7s Time] [2023-11-29 04:51:45,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2023-11-29 04:51:45,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 620. [2023-11-29 04:51:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 432 states have (on average 1.4282407407407407) internal successors, (617), 436 states have internal predecessors, (617), 176 states have call successors, (176), 11 states have call predecessors, (176), 11 states have return successors, (176), 172 states have call predecessors, (176), 176 states have call successors, (176) [2023-11-29 04:51:45,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 969 transitions. [2023-11-29 04:51:45,750 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 969 transitions. Word has length 134 [2023-11-29 04:51:45,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:51:45,751 INFO L495 AbstractCegarLoop]: Abstraction has 620 states and 969 transitions. [2023-11-29 04:51:45,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:51:45,752 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 969 transitions. [2023-11-29 04:51:45,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 04:51:45,753 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:51:45,754 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:51:45,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 04:51:45,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-29 04:51:46,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 04:51:46,155 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:51:46,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:51:46,155 INFO L85 PathProgramCache]: Analyzing trace with hash -451247637, now seen corresponding path program 1 times [2023-11-29 04:51:46,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:51:46,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294504915] [2023-11-29 04:51:46,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:51:46,156 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:51:46,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:51:46,157 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:51:46,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19de3a6d-eac9-490d-9665-549eb9794e2a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-29 04:51:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:51:46,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-29 04:51:46,581 INFO L285 TraceCheckSpWp]: Computing forward predicates...