./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-35.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_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme --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 cc3e722ec8b678bd2c3fd780f9bfc08d10a0108b5352b91b0062c1d7e07a5a5d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:49:45,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:49:45,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:49:45,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:49:45,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:49:45,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:49:45,434 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:49:45,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:49:45,435 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:49:45,440 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:49:45,441 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:49:45,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:49:45,443 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:49:45,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:49:45,445 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:49:45,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:49:45,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:49:45,446 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:49:45,446 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:49:45,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:49:45,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:49:45,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:49:45,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:49:45,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:49:45,449 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:49:45,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:49:45,450 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:49:45,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:49:45,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:49:45,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:49:45,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:49:45,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:45,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:49:45,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:49:45,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:49:45,454 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:49:45,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:49:45,454 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:49:45,454 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:49:45,454 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:49:45,454 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:49:45,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:49:45,455 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_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc3e722ec8b678bd2c3fd780f9bfc08d10a0108b5352b91b0062c1d7e07a5a5d [2023-11-26 11:49:45,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:49:45,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:49:45,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:49:45,831 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:49:45,832 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:49:45,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-35.i [2023-11-26 11:49:48,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:49:49,250 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:49:49,251 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-35.i [2023-11-26 11:49:49,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/data/2dfdeb8da/583e5aa1c40a4096a4c325dbe4c6e862/FLAG64dfc00ca [2023-11-26 11:49:49,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/data/2dfdeb8da/583e5aa1c40a4096a4c325dbe4c6e862 [2023-11-26 11:49:49,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:49:49,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:49:49,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:49,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:49:49,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:49:49,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ea1b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49, skipping insertion in model container [2023-11-26 11:49:49,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,343 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:49:49,514 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_27abe4e5-af6c-40f3-b528-b199cab19e7c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-35.i[915,928] [2023-11-26 11:49:49,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:49,597 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:49:49,610 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_27abe4e5-af6c-40f3-b528-b199cab19e7c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-35.i[915,928] [2023-11-26 11:49:49,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:49,663 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:49:49,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49 WrapperNode [2023-11-26 11:49:49,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:49,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:49,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:49:49,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:49:49,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,738 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2023-11-26 11:49:49,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:49,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:49:49,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:49:49,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:49:49,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,757 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,775 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]. [2023-11-26 11:49:49,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:49:49,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:49:49,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:49:49,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:49:49,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (1/1) ... [2023-11-26 11:49:49,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:49,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:49,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:49,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:49:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:49:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:49:49,898 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:49:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:49:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:49:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:49:50,045 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:49:50,047 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:49:50,436 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:49:50,486 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:49:50,487 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:49:50,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:50 BoogieIcfgContainer [2023-11-26 11:49:50,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:49:50,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:49:50,491 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:49:50,494 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:49:50,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:49:49" (1/3) ... [2023-11-26 11:49:50,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421c482f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:49:50, skipping insertion in model container [2023-11-26 11:49:50,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:49" (2/3) ... [2023-11-26 11:49:50,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421c482f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:49:50, skipping insertion in model container [2023-11-26 11:49:50,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:50" (3/3) ... [2023-11-26 11:49:50,498 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-35.i [2023-11-26 11:49:50,520 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:49:50,520 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:49:50,591 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:49:50,601 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;@1da67b10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:49:50,601 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:49:50,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 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) [2023-11-26 11:49:50,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-26 11:49:50,634 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:50,635 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] [2023-11-26 11:49:50,635 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:50,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:50,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1303763866, now seen corresponding path program 1 times [2023-11-26 11:49:50,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:50,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342235277] [2023-11-26 11:49:50,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:50,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:50,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:50,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342235277] [2023-11-26 11:49:50,877 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 11:49:50,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521683826] [2023-11-26 11:49:50,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:50,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:49:50,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:50,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:49:50,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:49:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:51,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:49:51,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:49:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-26 11:49:51,275 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:49:51,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521683826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:51,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:51,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:49:51,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632975157] [2023-11-26 11:49:51,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:51,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:49:51,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:51,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:49:51,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:49:51,356 INFO L87 Difference]: Start difference. First operand has 64 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 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 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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) [2023-11-26 11:49:51,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:51,423 INFO L93 Difference]: Finished difference Result 125 states and 214 transitions. [2023-11-26 11:49:51,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:49:51,426 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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 132 [2023-11-26 11:49:51,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:51,437 INFO L225 Difference]: With dead ends: 125 [2023-11-26 11:49:51,437 INFO L226 Difference]: Without dead ends: 62 [2023-11-26 11:49:51,443 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 [2023-11-26 11:49:51,448 INFO L413 NwaCegarLoop]: 90 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, 90 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 [2023-11-26 11:49:51,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:49:51,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-26 11:49:51,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-26 11:49:51,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 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) [2023-11-26 11:49:51,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 93 transitions. [2023-11-26 11:49:51,508 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 93 transitions. Word has length 132 [2023-11-26 11:49:51,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:51,508 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 93 transitions. [2023-11-26 11:49:51,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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) [2023-11-26 11:49:51,509 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 93 transitions. [2023-11-26 11:49:51,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-26 11:49:51,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:51,513 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] [2023-11-26 11:49:51,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:51,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 11:49:51,720 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:51,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:51,721 INFO L85 PathProgramCache]: Analyzing trace with hash 823887506, now seen corresponding path program 1 times [2023-11-26 11:49:51,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:51,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438803220] [2023-11-26 11:49:51,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:51,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:51,828 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:49:51,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [93744144] [2023-11-26 11:49:51,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:51,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:49:51,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:51,839 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:49:51,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 11:49:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:52,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:49:52,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:49:52,112 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-26 11:49:52,113 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:49:52,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:52,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438803220] [2023-11-26 11:49:52,114 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:49:52,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93744144] [2023-11-26 11:49:52,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93744144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:52,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:52,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:49:52,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382559143] [2023-11-26 11:49:52,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:52,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:49:52,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:52,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:49:52,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:49:52,122 INFO L87 Difference]: Start difference. First operand 62 states and 93 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) 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) [2023-11-26 11:49:52,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:52,162 INFO L93 Difference]: Finished difference Result 123 states and 185 transitions. [2023-11-26 11:49:52,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:49:52,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) 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 [2023-11-26 11:49:52,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:52,166 INFO L225 Difference]: With dead ends: 123 [2023-11-26 11:49:52,166 INFO L226 Difference]: Without dead ends: 62 [2023-11-26 11:49:52,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:49:52,169 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 18 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:52,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 156 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:49:52,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-26 11:49:52,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-26 11:49:52,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 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) [2023-11-26 11:49:52,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 92 transitions. [2023-11-26 11:49:52,183 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 92 transitions. Word has length 132 [2023-11-26 11:49:52,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:52,215 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 92 transitions. [2023-11-26 11:49:52,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) 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) [2023-11-26 11:49:52,216 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 92 transitions. [2023-11-26 11:49:52,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-26 11:49:52,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:52,225 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] [2023-11-26 11:49:52,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-26 11:49:52,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:49:52,432 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:52,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:52,432 INFO L85 PathProgramCache]: Analyzing trace with hash 975629008, now seen corresponding path program 1 times [2023-11-26 11:49:52,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:52,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154414935] [2023-11-26 11:49:52,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:52,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:52,514 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:49:52,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1253923777] [2023-11-26 11:49:52,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:52,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:49:52,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:52,525 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:49:52,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 11:49:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:52,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 11:49:52,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:49:52,755 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-26 11:49:52,756 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:49:52,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:52,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154414935] [2023-11-26 11:49:52,756 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:49:52,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253923777] [2023-11-26 11:49:52,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253923777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:52,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:52,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:49:52,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294536371] [2023-11-26 11:49:52,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:52,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:49:52,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:52,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:49:52,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:49:52,761 INFO L87 Difference]: Start difference. First operand 62 states and 92 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 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) [2023-11-26 11:49:53,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:53,048 INFO L93 Difference]: Finished difference Result 215 states and 317 transitions. [2023-11-26 11:49:53,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:49:53,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 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 [2023-11-26 11:49:53,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:53,052 INFO L225 Difference]: With dead ends: 215 [2023-11-26 11:49:53,052 INFO L226 Difference]: Without dead ends: 154 [2023-11-26 11:49:53,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:49:53,055 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 156 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:53,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 287 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 11:49:53,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-26 11:49:53,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 102. [2023-11-26 11:49:53,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 73 states have internal predecessors, (97), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-26 11:49:53,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 151 transitions. [2023-11-26 11:49:53,082 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 151 transitions. Word has length 133 [2023-11-26 11:49:53,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:53,083 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 151 transitions. [2023-11-26 11:49:53,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 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) [2023-11-26 11:49:53,084 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 151 transitions. [2023-11-26 11:49:53,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-26 11:49:53,086 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:53,086 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] [2023-11-26 11:49:53,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:53,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:49:53,293 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:53,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:53,294 INFO L85 PathProgramCache]: Analyzing trace with hash 166282382, now seen corresponding path program 1 times [2023-11-26 11:49:53,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:53,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480584384] [2023-11-26 11:49:53,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:53,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:53,336 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:49:53,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [865795497] [2023-11-26 11:49:53,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:53,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:49:53,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:53,338 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:49:53,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 11:49:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 11:49:53,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:49:53,699 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-26 11:49:53,699 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:49:53,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:53,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480584384] [2023-11-26 11:49:53,700 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:49:53,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865795497] [2023-11-26 11:49:53,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865795497] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:53,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:53,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:49:53,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024610096] [2023-11-26 11:49:53,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:53,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:49:53,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:53,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:49:53,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:49:53,708 INFO L87 Difference]: Start difference. First operand 102 states and 151 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) [2023-11-26 11:49:53,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:53,843 INFO L93 Difference]: Finished difference Result 328 states and 484 transitions. [2023-11-26 11:49:53,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:49:53,844 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 [2023-11-26 11:49:53,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:53,849 INFO L225 Difference]: With dead ends: 328 [2023-11-26 11:49:53,849 INFO L226 Difference]: Without dead ends: 227 [2023-11-26 11:49:53,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:49:53,852 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 97 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:53,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 261 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:49:53,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2023-11-26 11:49:53,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 201. [2023-11-26 11:49:53,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 142 states have (on average 1.3450704225352113) internal successors, (191), 144 states have internal predecessors, (191), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-26 11:49:53,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 299 transitions. [2023-11-26 11:49:53,917 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 299 transitions. Word has length 133 [2023-11-26 11:49:53,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:53,925 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 299 transitions. [2023-11-26 11:49:53,925 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) [2023-11-26 11:49:53,925 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 299 transitions. [2023-11-26 11:49:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-26 11:49:53,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:53,929 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] [2023-11-26 11:49:53,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:49:54,130 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:54,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:54,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1827862324, now seen corresponding path program 1 times [2023-11-26 11:49:54,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:54,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471071274] [2023-11-26 11:49:54,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:54,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:54,173 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:49:54,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [512473646] [2023-11-26 11:49:54,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:54,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:49:54,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:54,175 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:49:54,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 11:49:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:54,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:54,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:54,549 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:49:54,551 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:49:54,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:49:54,763 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-26 11:49:54,767 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:49:54,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 11:49:54,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-26 11:49:54,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:49:54 BoogieIcfgContainer [2023-11-26 11:49:54,906 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:49:54,907 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:49:54,907 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:49:54,907 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:49:54,908 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:50" (3/4) ... [2023-11-26 11:49:54,910 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:49:54,911 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:49:54,911 INFO L158 Benchmark]: Toolchain (without parser) took 5626.41ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 122.0MB in the beginning and 110.7MB in the end (delta: 11.3MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2023-11-26 11:49:54,912 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:49:54,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.52ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 107.6MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:49:54,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.47ms. Allocated memory is still 153.1MB. Free memory was 107.6MB in the beginning and 104.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:49:54,913 INFO L158 Benchmark]: Boogie Preprocessor took 62.30ms. Allocated memory is still 153.1MB. Free memory was 104.8MB in the beginning and 101.0MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:49:54,913 INFO L158 Benchmark]: RCFGBuilder took 685.52ms. Allocated memory is still 153.1MB. Free memory was 101.0MB in the beginning and 79.2MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-26 11:49:54,914 INFO L158 Benchmark]: TraceAbstraction took 4415.87ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 78.8MB in the beginning and 111.8MB in the end (delta: -33.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:49:54,914 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 184.5MB. Free memory was 111.8MB in the beginning and 110.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:49:54,916 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.52ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 107.6MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.47ms. Allocated memory is still 153.1MB. Free memory was 107.6MB in the beginning and 104.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.30ms. Allocated memory is still 153.1MB. Free memory was 104.8MB in the beginning and 101.0MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 685.52ms. Allocated memory is still 153.1MB. Free memory was 101.0MB in the beginning and 79.2MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4415.87ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 78.8MB in the beginning and 111.8MB in the end (delta: -33.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 184.5MB. Free memory was 111.8MB in the beginning and 110.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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~short19 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 someBinaryFLOATComparisonOperation at line 133, overapproximation of someBinaryDOUBLEComparisonOperation at line 133, overapproximation of someUnaryFLOAToperation at line 79, overapproximation of someBinaryArithmeticFLOAToperation at line 79. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_3 = 1; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_5 = 0; [L26] unsigned short int var_1_6 = 25; [L27] double var_1_9 = 999.625; [L28] unsigned short int var_1_11 = 5; [L29] signed short int var_1_12 = 2; [L30] signed long int var_1_13 = -256; [L31] double var_1_14 = 127.75; [L32] double var_1_15 = 9.75; [L33] float var_1_16 = 32.8; [L34] float var_1_17 = 32.5; [L35] float var_1_18 = 1.75; [L36] float var_1_19 = 1000000000000000.4; [L37] float var_1_20 = 0.875; [L38] unsigned char var_1_21 = 0; [L39] unsigned char var_1_22 = 0; [L40] signed short int var_1_23 = 64; [L41] signed short int var_1_24 = 25; [L42] signed short int var_1_25 = 0; [L43] signed short int last_1_var_1_12 = 2; [L44] signed long int last_1_var_1_13 = -256; [L45] double last_1_var_1_14 = 127.75; [L46] unsigned char last_1_var_1_21 = 0; [L137] isInitial = 1 [L138] FCALL initially() [L139] COND TRUE 1 [L140] CALL updateLastVariables() [L127] last_1_var_1_12 = var_1_12 [L128] last_1_var_1_13 = var_1_13 [L129] last_1_var_1_14 = var_1_14 [L130] last_1_var_1_21 = var_1_21 [L140] RET updateLastVariables() [L141] CALL updateVariables() [L92] var_1_3 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_3 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L93] RET assume_abort_if_not(var_1_3 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L94] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L94] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L95] var_1_4 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L96] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L97] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L97] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L98] var_1_5 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L99] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L100] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L100] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L101] var_1_9 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L102] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L103] var_1_11 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L104] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L105] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L105] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L106] var_1_15 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L107] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L108] var_1_17 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L109] RET assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L110] var_1_18 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L111] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L112] var_1_19 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L113] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L114] var_1_20 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L115] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L116] var_1_22 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L117] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L118] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L118] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L119] var_1_24 = __VERIFIER_nondet_short() [L120] CALL assume_abort_if_not(var_1_24 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L120] RET assume_abort_if_not(var_1_24 >= -1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L121] CALL assume_abort_if_not(var_1_24 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L121] RET assume_abort_if_not(var_1_24 <= 32766) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L122] var_1_25 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L123] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L124] CALL assume_abort_if_not(var_1_25 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L124] RET assume_abort_if_not(var_1_25 <= 32766) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L141] RET updateVariables() [L142] CALL step() [L50] COND FALSE !(\read(last_1_var_1_21)) [L53] var_1_1 = (var_1_3 && var_1_5) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L55] COND TRUE var_1_18 > var_1_9 [L56] var_1_23 = (((((var_1_24 - var_1_25)) > (last_1_var_1_13)) ? ((var_1_24 - var_1_25)) : (last_1_var_1_13))) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-255, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L60] signed long int stepLocal_0 = last_1_var_1_12; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_0=2, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-255, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L61] COND TRUE last_1_var_1_12 >= stepLocal_0 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_0=2, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-255, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L62] COND TRUE (var_1_9 - 1.00000000000025E12) >= last_1_var_1_14 [L63] var_1_6 = 200 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_0=2, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-255, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L70] unsigned short int stepLocal_1 = var_1_6; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_0=2, stepLocal_1=200, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-255, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L71] COND FALSE !(var_1_11 > stepLocal_1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_0=2, stepLocal_1=200, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-255, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L74] EXPR var_1_11 >> var_1_6 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_0=2, stepLocal_1=200, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-255, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L74] COND TRUE (var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12) [L75] var_1_14 = var_1_15 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_0=2, stepLocal_1=200, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-255, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L79] var_1_16 = (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))))) [L80] unsigned short int stepLocal_3 = var_1_11; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_0=2, stepLocal_1=200, stepLocal_3=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-255, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L81] COND FALSE !(stepLocal_3 == var_1_6) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_0=2, stepLocal_1=200, stepLocal_3=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-255, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L84] unsigned short int stepLocal_2 = var_1_6; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_0=2, stepLocal_1=200, stepLocal_2=200, stepLocal_3=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-255, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L85] COND FALSE !(stepLocal_2 == var_1_12) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_0=2, stepLocal_1=200, stepLocal_2=200, stepLocal_3=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-255, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L142] RET step() [L143] CALL, EXPR property() [L133] EXPR ((((last_1_var_1_21 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((last_1_var_1_12 >= last_1_var_1_12) ? (((var_1_9 - 1.00000000000025E12) >= last_1_var_1_14) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_6 == var_1_12) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((last_1_var_1_13 + var_1_6) + (var_1_11 - var_1_23)))) : 1) : 1)) && (((var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15))) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-255, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L133-L134] return (((((((last_1_var_1_21 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((last_1_var_1_12 >= last_1_var_1_12) ? (((var_1_9 - 1.00000000000025E12) >= last_1_var_1_14) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_6 == var_1_12) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((last_1_var_1_13 + var_1_6) + (var_1_11 - var_1_23)))) : 1) : 1)) && (((var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15)))) && (var_1_16 == ((float) (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))))))))) && ((var_1_11 == var_1_6) ? (var_1_21 == ((unsigned char) ((var_1_5 || var_1_3) && (var_1_1 || var_1_22)))) : 1)) && ((var_1_18 > var_1_9) ? (var_1_23 == ((signed short int) (((((var_1_24 - var_1_25)) > (last_1_var_1_13)) ? ((var_1_24 - var_1_25)) : (last_1_var_1_13))))) : (var_1_23 == ((signed short int) (last_1_var_1_13 + 1)))) ; [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-255, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-255, var_1_24=-1, var_1_25=254, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 5, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 271 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 271 mSDsluCounter, 794 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 386 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 408 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 528 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=201occurred in iteration=4, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 78 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 795 NumberOfCodeBlocks, 795 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 526 ConstructedInterpolants, 0 QuantifiedInterpolants, 788 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1287 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 3040/3040 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 [2023-11-26 11:49:54,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme --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 cc3e722ec8b678bd2c3fd780f9bfc08d10a0108b5352b91b0062c1d7e07a5a5d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:49:57,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:49:57,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:49:57,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:49:57,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:49:57,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:49:57,831 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:49:57,832 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:49:57,833 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:49:57,838 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:49:57,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:49:57,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:49:57,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:49:57,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:49:57,842 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:49:57,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:49:57,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:49:57,844 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:49:57,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:49:57,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:49:57,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:49:57,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:49:57,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:49:57,848 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:49:57,848 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:49:57,849 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:49:57,849 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:49:57,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:49:57,850 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:49:57,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:49:57,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:49:57,852 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:49:57,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:49:57,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:57,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:49:57,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:49:57,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:49:57,857 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:49:57,858 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:49:57,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:49:57,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:49:57,858 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:49:57,859 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:49:57,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:49:57,859 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:49:57,860 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_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc3e722ec8b678bd2c3fd780f9bfc08d10a0108b5352b91b0062c1d7e07a5a5d [2023-11-26 11:49:58,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:49:58,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:49:58,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:49:58,285 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:49:58,287 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:49:58,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-35.i [2023-11-26 11:50:01,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:50:01,756 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:50:01,759 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-35.i [2023-11-26 11:50:01,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/data/e353a5499/39567986c15e4edf874667b2d9d264b2/FLAG1a1ef0591 [2023-11-26 11:50:01,793 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/data/e353a5499/39567986c15e4edf874667b2d9d264b2 [2023-11-26 11:50:01,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:50:01,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:50:01,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:50:01,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:50:01,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:50:01,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:50:01" (1/1) ... [2023-11-26 11:50:01,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747f3def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:01, skipping insertion in model container [2023-11-26 11:50:01,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:50:01" (1/1) ... [2023-11-26 11:50:01,869 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:50:02,063 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-35.i[915,928] [2023-11-26 11:50:02,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:50:02,194 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:50:02,213 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_27abe4e5-af6c-40f3-b528-b199cab19e7c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-35.i[915,928] [2023-11-26 11:50:02,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:50:02,313 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:50:02,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02 WrapperNode [2023-11-26 11:50:02,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:50:02,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:50:02,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:50:02,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:50:02,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,388 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2023-11-26 11:50:02,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:50:02,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:50:02,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:50:02,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:50:02,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,407 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,422 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]. [2023-11-26 11:50:02,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:50:02,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:50:02,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:50:02,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:50:02,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:50:02,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:02,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:02,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:50:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:50:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:50:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:50:02,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:50:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:50:02,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:50:02,693 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:50:02,695 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:50:05,192 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:50:05,281 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:50:05,281 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:50:05,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:05 BoogieIcfgContainer [2023-11-26 11:50:05,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:50:05,285 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:50:05,285 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:50:05,288 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:50:05,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:50:01" (1/3) ... [2023-11-26 11:50:05,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47946630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:50:05, skipping insertion in model container [2023-11-26 11:50:05,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (2/3) ... [2023-11-26 11:50:05,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47946630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:50:05, skipping insertion in model container [2023-11-26 11:50:05,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:05" (3/3) ... [2023-11-26 11:50:05,291 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-35.i [2023-11-26 11:50:05,314 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:50:05,315 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:50:05,395 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:50:05,408 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;@198d0b31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:50:05,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:50:05,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 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) [2023-11-26 11:50:05,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-26 11:50:05,437 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:50:05,437 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] [2023-11-26 11:50:05,438 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:50:05,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:05,446 INFO L85 PathProgramCache]: Analyzing trace with hash 2140936536, now seen corresponding path program 1 times [2023-11-26 11:50:05,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:50:05,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869631554] [2023-11-26 11:50:05,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:05,467 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 [2023-11-26 11:50:05,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:50:05,477 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:50:05,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:50:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:06,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:50:06,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:50:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2023-11-26 11:50:06,102 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:50:06,103 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:50:06,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869631554] [2023-11-26 11:50:06,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [869631554] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:06,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:06,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:50:06,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537110423] [2023-11-26 11:50:06,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:06,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:50:06,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:50:06,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:50:06,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:50:06,147 INFO L87 Difference]: Start difference. First operand has 59 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 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 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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) [2023-11-26 11:50:08,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:50:08,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:50:08,297 INFO L93 Difference]: Finished difference Result 115 states and 198 transitions. [2023-11-26 11:50:08,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:50:08,318 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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 129 [2023-11-26 11:50:08,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:50:08,327 INFO L225 Difference]: With dead ends: 115 [2023-11-26 11:50:08,327 INFO L226 Difference]: Without dead ends: 57 [2023-11-26 11:50:08,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:50:08,339 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:50:08,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-26 11:50:08,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-26 11:50:08,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-26 11:50:08,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 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) [2023-11-26 11:50:08,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 85 transitions. [2023-11-26 11:50:08,391 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 85 transitions. Word has length 129 [2023-11-26 11:50:08,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:50:08,391 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 85 transitions. [2023-11-26 11:50:08,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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) [2023-11-26 11:50:08,392 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2023-11-26 11:50:08,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-26 11:50:08,396 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:50:08,396 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] [2023-11-26 11:50:08,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:50:08,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:50:08,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:50:08,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:08,607 INFO L85 PathProgramCache]: Analyzing trace with hash 2125926752, now seen corresponding path program 1 times [2023-11-26 11:50:08,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:50:08,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1972903618] [2023-11-26 11:50:08,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:08,608 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 [2023-11-26 11:50:08,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:50:08,626 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:50:08,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:50:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:09,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:50:09,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:50:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-26 11:50:09,621 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:50:09,621 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:50:09,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1972903618] [2023-11-26 11:50:09,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1972903618] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:09,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:09,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:50:09,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107313305] [2023-11-26 11:50:09,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:09,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:50:09,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:50:09,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:50:09,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:50:09,627 INFO L87 Difference]: Start difference. First operand 57 states and 85 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2023-11-26 11:50:11,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:50:13,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:50:13,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:50:13,434 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2023-11-26 11:50:13,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:50:13,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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 129 [2023-11-26 11:50:13,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:50:13,460 INFO L225 Difference]: With dead ends: 187 [2023-11-26 11:50:13,460 INFO L226 Difference]: Without dead ends: 131 [2023-11-26 11:50:13,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:50:13,463 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 83 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-26 11:50:13,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 265 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-26 11:50:13,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-26 11:50:13,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 111. [2023-11-26 11:50:13,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 68 states have internal predecessors, (87), 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) [2023-11-26 11:50:13,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 167 transitions. [2023-11-26 11:50:13,523 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 167 transitions. Word has length 129 [2023-11-26 11:50:13,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:50:13,526 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 167 transitions. [2023-11-26 11:50:13,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2023-11-26 11:50:13,530 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 167 transitions. [2023-11-26 11:50:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-26 11:50:13,535 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:50:13,536 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] [2023-11-26 11:50:13,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:13,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:50:13,751 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:50:13,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:13,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1114809502, now seen corresponding path program 1 times [2023-11-26 11:50:13,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:50:13,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102076521] [2023-11-26 11:50:13,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:13,753 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 [2023-11-26 11:50:13,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:50:13,755 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:50:13,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:50:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:14,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:50:14,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:50:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-26 11:50:14,649 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:50:14,650 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:50:14,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102076521] [2023-11-26 11:50:14,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1102076521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:14,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:14,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:50:14,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950469863] [2023-11-26 11:50:14,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:14,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:50:14,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:50:14,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:50:14,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:50:14,654 INFO L87 Difference]: Start difference. First operand 111 states and 167 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2023-11-26 11:50:17,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:50:17,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:50:17,379 INFO L93 Difference]: Finished difference Result 353 states and 530 transitions. [2023-11-26 11:50:17,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:50:17,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 129 [2023-11-26 11:50:17,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:50:17,406 INFO L225 Difference]: With dead ends: 353 [2023-11-26 11:50:17,406 INFO L226 Difference]: Without dead ends: 243 [2023-11-26 11:50:17,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:50:17,410 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 106 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-26 11:50:17,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 255 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-26 11:50:17,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2023-11-26 11:50:17,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 219. [2023-11-26 11:50:17,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 134 states have (on average 1.2686567164179106) internal successors, (170), 134 states have internal predecessors, (170), 80 states have call successors, (80), 4 states have call predecessors, (80), 4 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-26 11:50:17,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 330 transitions. [2023-11-26 11:50:17,487 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 330 transitions. Word has length 129 [2023-11-26 11:50:17,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:50:17,491 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 330 transitions. [2023-11-26 11:50:17,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2023-11-26 11:50:17,492 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 330 transitions. [2023-11-26 11:50:17,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-26 11:50:17,500 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:50:17,500 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] [2023-11-26 11:50:17,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/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)] Forceful destruction successful, exit code 0 [2023-11-26 11:50:17,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:50:17,709 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:50:17,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:17,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1607179268, now seen corresponding path program 1 times [2023-11-26 11:50:17,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:50:17,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1901116476] [2023-11-26 11:50:17,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:17,711 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 [2023-11-26 11:50:17,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:50:17,712 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:50:17,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27abe4e5-af6c-40f3-b528-b199cab19e7c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:50:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:18,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-26 11:50:18,128 INFO L285 TraceCheckSpWp]: Computing forward predicates...