./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX --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 2bc4b1110ac40ac45fd6b768f4c3036267384ecb556aaf76493d3204f3559707 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:12:30,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:12:30,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:12:30,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:12:30,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:12:30,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:12:30,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:12:30,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:12:30,446 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:12:30,447 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:12:30,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:12:30,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:12:30,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:12:30,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:12:30,453 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:12:30,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:12:30,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:12:30,455 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:12:30,455 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:12:30,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:12:30,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:12:30,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:12:30,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:12:30,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:12:30,456 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:12:30,457 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:12:30,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:12:30,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:12:30,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:12:30,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:12:30,458 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:12:30,458 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:12:30,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:12:30,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:12:30,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:12:30,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:12:30,460 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:12:30,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:12:30,461 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:12:30,461 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:12:30,462 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:12:30,462 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:12:30,462 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_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bc4b1110ac40ac45fd6b768f4c3036267384ecb556aaf76493d3204f3559707 [2024-11-08 18:12:30,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:12:30,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:12:30,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:12:30,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:12:30,822 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:12:30,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i Unable to find full path for "g++" [2024-11-08 18:12:32,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:12:33,089 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:12:33,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i [2024-11-08 18:12:33,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/data/233afd321/5383934a6dba4322b54a0b7d81d42ac9/FLAG5779ecedb [2024-11-08 18:12:33,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/data/233afd321/5383934a6dba4322b54a0b7d81d42ac9 [2024-11-08 18:12:33,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:12:33,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:12:33,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:12:33,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:12:33,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:12:33,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:12:33" (1/1) ... [2024-11-08 18:12:33,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725299f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:33, skipping insertion in model container [2024-11-08 18:12:33,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:12:33" (1/1) ... [2024-11-08 18:12:33,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:12:33,717 WARN L250 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_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i[915,928] [2024-11-08 18:12:33,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:12:33,791 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:12:33,807 WARN L250 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_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i[915,928] [2024-11-08 18:12:33,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:12:33,855 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:12:33,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:33 WrapperNode [2024-11-08 18:12:33,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:12:33,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:12:33,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:12:33,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:12:33,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:33" (1/1) ... [2024-11-08 18:12:33,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:33" (1/1) ... [2024-11-08 18:12:33,906 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2024-11-08 18:12:33,907 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:12:33,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:12:33,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:12:33,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:12:33,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:33" (1/1) ... [2024-11-08 18:12:33,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:33" (1/1) ... [2024-11-08 18:12:33,923 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:33" (1/1) ... [2024-11-08 18:12:33,939 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]. [2024-11-08 18:12:33,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:33" (1/1) ... [2024-11-08 18:12:33,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:33" (1/1) ... [2024-11-08 18:12:33,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:33" (1/1) ... [2024-11-08 18:12:33,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:33" (1/1) ... [2024-11-08 18:12:33,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:33" (1/1) ... [2024-11-08 18:12:33,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:33" (1/1) ... [2024-11-08 18:12:33,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:12:33,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:12:33,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:12:33,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:12:33,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:33" (1/1) ... [2024-11-08 18:12:33,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:12:33,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:12:34,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:12:34,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:12:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:12:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:12:34,049 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:12:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:12:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:12:34,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:12:34,130 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:12:34,133 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:12:34,508 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 18:12:34,508 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:12:34,526 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:12:34,526 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:12:34,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:12:34 BoogieIcfgContainer [2024-11-08 18:12:34,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:12:34,529 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:12:34,529 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:12:34,533 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:12:34,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:12:33" (1/3) ... [2024-11-08 18:12:34,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326a08bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:12:34, skipping insertion in model container [2024-11-08 18:12:34,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:33" (2/3) ... [2024-11-08 18:12:34,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326a08bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:12:34, skipping insertion in model container [2024-11-08 18:12:34,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:12:34" (3/3) ... [2024-11-08 18:12:34,537 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-90.i [2024-11-08 18:12:34,558 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:12:34,558 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:12:34,636 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:12:34,643 INFO L333 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, 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;@6a501710, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:12:34,643 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:12:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:12:34,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 18:12:34,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:12:34,662 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:12:34,663 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:12:34,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:12:34,669 INFO L85 PathProgramCache]: Analyzing trace with hash 517443558, now seen corresponding path program 1 times [2024-11-08 18:12:34,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:12:34,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288877247] [2024-11-08 18:12:34,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:12:34,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:12:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:34,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:12:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:34,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:12:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:34,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:12:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:34,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:12:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:34,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:12:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:34,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:12:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:34,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:12:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:35,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:12:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:35,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:12:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:35,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:12:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:35,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 18:12:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:35,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:12:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:35,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:12:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:35,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:12:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:35,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:12:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:35,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:12:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:35,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 18:12:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:35,095 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:12:35,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:12:35,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288877247] [2024-11-08 18:12:35,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288877247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:12:35,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:12:35,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:12:35,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540754728] [2024-11-08 18:12:35,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:12:35,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:12:35,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:12:35,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:12:35,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:12:35,148 INFO L87 Difference]: Start difference. First operand has 62 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:12:35,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:12:35,188 INFO L93 Difference]: Finished difference Result 117 states and 193 transitions. [2024-11-08 18:12:35,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:12:35,191 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2024-11-08 18:12:35,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:12:35,202 INFO L225 Difference]: With dead ends: 117 [2024-11-08 18:12:35,203 INFO L226 Difference]: Without dead ends: 58 [2024-11-08 18:12:35,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:12:35,211 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:12:35,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:12:35,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-08 18:12:35,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-08 18:12:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 39 states have internal predecessors, (50), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:12:35,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2024-11-08 18:12:35,271 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 109 [2024-11-08 18:12:35,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:12:35,273 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2024-11-08 18:12:35,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:12:35,274 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2024-11-08 18:12:35,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 18:12:35,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:12:35,277 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:12:35,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:12:35,279 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:12:35,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:12:35,281 INFO L85 PathProgramCache]: Analyzing trace with hash 83903268, now seen corresponding path program 1 times [2024-11-08 18:12:35,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:12:35,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160581060] [2024-11-08 18:12:35,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:12:35,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:12:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:12:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:12:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:12:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:12:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:12:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:12:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:12:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:12:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:12:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:12:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 18:12:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:12:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:12:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:12:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 18:12:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 18:12:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 18:12:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:36,324 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:12:36,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:12:36,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160581060] [2024-11-08 18:12:36,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160581060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:12:36,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:12:36,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:12:36,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262560677] [2024-11-08 18:12:36,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:12:36,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:12:36,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:12:36,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:12:36,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:12:36,332 INFO L87 Difference]: Start difference. First operand 58 states and 84 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:12:37,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:12:37,301 INFO L93 Difference]: Finished difference Result 200 states and 294 transitions. [2024-11-08 18:12:37,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:12:37,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2024-11-08 18:12:37,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:12:37,305 INFO L225 Difference]: With dead ends: 200 [2024-11-08 18:12:37,306 INFO L226 Difference]: Without dead ends: 145 [2024-11-08 18:12:37,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:12:37,308 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 191 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:12:37,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 291 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 18:12:37,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-08 18:12:37,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 59. [2024-11-08 18:12:37,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:12:37,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 84 transitions. [2024-11-08 18:12:37,323 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 84 transitions. Word has length 109 [2024-11-08 18:12:37,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:12:37,325 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 84 transitions. [2024-11-08 18:12:37,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:12:37,326 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2024-11-08 18:12:37,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 18:12:37,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:12:37,328 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:12:37,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:12:37,329 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:12:37,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:12:37,329 INFO L85 PathProgramCache]: Analyzing trace with hash -976056082, now seen corresponding path program 1 times [2024-11-08 18:12:37,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:12:37,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588234813] [2024-11-08 18:12:37,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:12:37,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:12:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:12:37,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:12:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:12:37,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:12:37,628 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:12:37,629 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:12:37,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:12:37,635 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 18:12:37,766 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:12:37,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:12:37 BoogieIcfgContainer [2024-11-08 18:12:37,770 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:12:37,771 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:12:37,771 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:12:37,771 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:12:37,772 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:12:34" (3/4) ... [2024-11-08 18:12:37,775 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:12:37,777 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:12:37,777 INFO L158 Benchmark]: Toolchain (without parser) took 4321.29ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 107.5MB in the beginning and 141.8MB in the end (delta: -34.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:12:37,778 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:12:37,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.36ms. Allocated memory is still 146.8MB. Free memory was 107.2MB in the beginning and 93.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:12:37,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.98ms. Allocated memory is still 146.8MB. Free memory was 93.2MB in the beginning and 90.7MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:12:37,780 INFO L158 Benchmark]: Boogie Preprocessor took 50.50ms. Allocated memory is still 146.8MB. Free memory was 90.7MB in the beginning and 88.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:12:37,780 INFO L158 Benchmark]: RCFGBuilder took 568.26ms. Allocated memory is still 146.8MB. Free memory was 88.3MB in the beginning and 113.9MB in the end (delta: -25.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-11-08 18:12:37,781 INFO L158 Benchmark]: TraceAbstraction took 3241.30ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 113.2MB in the beginning and 141.8MB in the end (delta: -28.6MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2024-11-08 18:12:37,781 INFO L158 Benchmark]: Witness Printer took 5.76ms. Allocated memory is still 176.2MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:12:37,784 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.36ms. Allocated memory is still 146.8MB. Free memory was 107.2MB in the beginning and 93.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.98ms. Allocated memory is still 146.8MB. Free memory was 93.2MB in the beginning and 90.7MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.50ms. Allocated memory is still 146.8MB. Free memory was 90.7MB in the beginning and 88.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 568.26ms. Allocated memory is still 146.8MB. Free memory was 88.3MB in the beginning and 113.9MB in the end (delta: -25.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3241.30ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 113.2MB in the beginning and 141.8MB in the end (delta: -28.6MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. * Witness Printer took 5.76ms. Allocated memory is still 176.2MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 97. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 25; [L23] unsigned long int var_1_6 = 2; [L24] unsigned long int var_1_7 = 2762957886; [L25] unsigned long int var_1_8 = 2; [L26] unsigned long int var_1_9 = 1000000000; [L27] unsigned long int var_1_10 = 100; [L28] signed char var_1_11 = 4; [L29] signed char var_1_12 = 8; [L30] signed char var_1_13 = 10; [L31] signed char var_1_14 = 8; [L32] unsigned char var_1_15 = 1; [L33] unsigned char var_1_16 = 0; [L34] double var_1_17 = 32.4; [L35] double var_1_18 = 15.5; [L36] unsigned long int last_1_var_1_6 = 2; VAL [isInitial=0, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=2762957886, var_1_8=2, var_1_9=1000000000] [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L94] last_1_var_1_6 = var_1_6 VAL [isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=2762957886, var_1_8=2, var_1_9=1000000000] [L104] RET updateLastVariables() [L105] CALL updateVariables() [L66] var_1_7 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_7 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2, var_1_9=1000000000] [L67] RET assume_abort_if_not(var_1_7 >= 2147483647) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2, var_1_9=1000000000] [L68] CALL assume_abort_if_not(var_1_7 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2, var_1_9=1000000000] [L68] RET assume_abort_if_not(var_1_7 <= 4294967295) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2, var_1_9=1000000000] [L69] var_1_8 = __VERIFIER_nondet_ulong() [L70] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_9=1000000000] [L70] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_9=1000000000] [L71] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1000000000] [L71] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1000000000] [L72] var_1_9 = __VERIFIER_nondet_ulong() [L73] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L73] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L74] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L74] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=100, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L75] var_1_10 = __VERIFIER_nondet_ulong() [L76] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L76] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_6=2, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L77] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L77] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=8, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L78] var_1_12 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L79] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L80] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L80] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=10, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L81] var_1_13 = __VERIFIER_nondet_char() [L82] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L82] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L83] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L83] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L84] var_1_14 = __VERIFIER_nondet_char() [L85] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L85] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L86] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L86] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=0, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L87] var_1_16 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L88] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L89] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L89] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_18=31/2, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L90] var_1_18 = __VERIFIER_nondet_double() [L91] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L91] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=1, var_1_16=-255, var_1_17=162/5, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L105] RET updateVariables() [L106] CALL step() [L40] var_1_15 = var_1_16 [L41] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=4, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L42] COND TRUE \read(var_1_15) [L43] var_1_11 = (((var_1_12 + var_1_13) + var_1_14) - 50) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=25, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L45] COND TRUE \read(var_1_15) [L46] var_1_1 = (((((var_1_11 + var_1_11)) < (var_1_11)) ? ((var_1_11 + var_1_11)) : (var_1_11))) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=2, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L48] signed long int stepLocal_2 = (((var_1_11) < (var_1_11)) ? (var_1_11) : (var_1_11)); [L49] signed long int stepLocal_1 = (((var_1_11) > (var_1_11)) ? (var_1_11) : (var_1_11)); [L50] unsigned long int stepLocal_0 = var_1_7 - var_1_8; VAL [isInitial=1, last_1_var_1_6=2, stepLocal_0=4294967296, stepLocal_1=2, stepLocal_2=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=2, var_1_6=2, var_1_7=6442450943, var_1_8=2147483647] [L51] COND FALSE !(last_1_var_1_6 != stepLocal_2) [L62] var_1_6 = var_1_8 VAL [isInitial=1, last_1_var_1_6=2, stepLocal_0=4294967296, stepLocal_1=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=2, var_1_6=2147483647, var_1_7=6442450943, var_1_8=2147483647] [L106] RET step() [L107] CALL, EXPR property() [L97] EXPR (var_1_15 ? (var_1_1 == ((signed short int) (((((var_1_11 + var_1_11)) < (var_1_11)) ? ((var_1_11 + var_1_11)) : (var_1_11))))) : 1) && ((last_1_var_1_6 != ((((var_1_11) < (var_1_11)) ? (var_1_11) : (var_1_11)))) ? (((var_1_7 - var_1_8) >= var_1_9) ? ((((((var_1_11) > (var_1_11)) ? (var_1_11) : (var_1_11))) < (var_1_8 >> var_1_9)) ? (var_1_6 == ((unsigned long int) var_1_8)) : (var_1_6 == ((unsigned long int) var_1_10))) : (var_1_6 == ((unsigned long int) var_1_10))) : (var_1_6 == ((unsigned long int) var_1_8))) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=2, var_1_6=2147483647, var_1_7=6442450943, var_1_8=2147483647] [L97] EXPR (last_1_var_1_6 != ((((var_1_11) < (var_1_11)) ? (var_1_11) : (var_1_11)))) ? (((var_1_7 - var_1_8) >= var_1_9) ? ((((((var_1_11) > (var_1_11)) ? (var_1_11) : (var_1_11))) < (var_1_8 >> var_1_9)) ? (var_1_6 == ((unsigned long int) var_1_8)) : (var_1_6 == ((unsigned long int) var_1_10))) : (var_1_6 == ((unsigned long int) var_1_10))) : (var_1_6 == ((unsigned long int) var_1_8)) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=2, var_1_6=2147483647, var_1_7=6442450943, var_1_8=2147483647] [L97] EXPR (var_1_15 ? (var_1_1 == ((signed short int) (((((var_1_11 + var_1_11)) < (var_1_11)) ? ((var_1_11 + var_1_11)) : (var_1_11))))) : 1) && ((last_1_var_1_6 != ((((var_1_11) < (var_1_11)) ? (var_1_11) : (var_1_11)))) ? (((var_1_7 - var_1_8) >= var_1_9) ? ((((((var_1_11) > (var_1_11)) ? (var_1_11) : (var_1_11))) < (var_1_8 >> var_1_9)) ? (var_1_6 == ((unsigned long int) var_1_8)) : (var_1_6 == ((unsigned long int) var_1_10))) : (var_1_6 == ((unsigned long int) var_1_10))) : (var_1_6 == ((unsigned long int) var_1_8))) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=2, var_1_6=2147483647, var_1_7=6442450943, var_1_8=2147483647] [L97-L98] return ((((var_1_15 ? (var_1_1 == ((signed short int) (((((var_1_11 + var_1_11)) < (var_1_11)) ? ((var_1_11 + var_1_11)) : (var_1_11))))) : 1) && ((last_1_var_1_6 != ((((var_1_11) < (var_1_11)) ? (var_1_11) : (var_1_11)))) ? (((var_1_7 - var_1_8) >= var_1_9) ? ((((((var_1_11) > (var_1_11)) ? (var_1_11) : (var_1_11))) < (var_1_8 >> var_1_9)) ? (var_1_6 == ((unsigned long int) var_1_8)) : (var_1_6 == ((unsigned long int) var_1_10))) : (var_1_6 == ((unsigned long int) var_1_10))) : (var_1_6 == ((unsigned long int) var_1_8)))) && (var_1_15 ? (var_1_11 == ((signed char) (((var_1_12 + var_1_13) + var_1_14) - 50))) : 1)) && (var_1_15 == ((unsigned char) var_1_16))) && (var_1_17 == ((double) var_1_18)) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=2, var_1_6=2147483647, var_1_7=6442450943, var_1_8=2147483647] [L19] reach_error() VAL [isInitial=1, last_1_var_1_6=2, var_1_10=4294967294, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=52, var_1_15=-255, var_1_16=-255, var_1_17=6442450948, var_1_18=6442450948, var_1_1=2, var_1_6=2147483647, var_1_7=6442450943, var_1_8=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 191 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191 mSDsluCounter, 375 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 169 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 206 mSDtfsCounter, 110 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 86 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 329 NumberOfCodeBlocks, 329 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 449 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1088/1088 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 [2024-11-08 18:12:37,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX --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 2bc4b1110ac40ac45fd6b768f4c3036267384ecb556aaf76493d3204f3559707 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:12:40,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:12:40,352 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 18:12:40,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:12:40,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:12:40,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:12:40,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:12:40,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:12:40,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:12:40,406 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:12:40,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:12:40,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:12:40,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:12:40,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:12:40,411 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:12:40,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:12:40,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:12:40,413 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:12:40,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:12:40,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:12:40,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:12:40,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:12:40,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:12:40,416 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:12:40,416 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:12:40,417 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:12:40,417 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:12:40,417 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:12:40,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:12:40,418 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:12:40,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:12:40,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:12:40,422 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:12:40,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:12:40,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:12:40,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:12:40,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:12:40,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:12:40,424 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:12:40,424 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:12:40,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:12:40,427 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:12:40,427 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:12:40,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:12:40,428 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_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bc4b1110ac40ac45fd6b768f4c3036267384ecb556aaf76493d3204f3559707 [2024-11-08 18:12:40,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:12:40,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:12:40,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:12:40,895 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:12:40,895 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:12:40,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i Unable to find full path for "g++" [2024-11-08 18:12:43,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:12:43,366 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:12:43,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i [2024-11-08 18:12:43,378 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/data/1320ef5ed/71aa4cb5505f44bda186b29a91500ea4/FLAG8bf4dbbf5 [2024-11-08 18:12:43,403 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/data/1320ef5ed/71aa4cb5505f44bda186b29a91500ea4 [2024-11-08 18:12:43,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:12:43,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:12:43,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:12:43,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:12:43,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:12:43,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:12:43" (1/1) ... [2024-11-08 18:12:43,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55786678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:43, skipping insertion in model container [2024-11-08 18:12:43,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:12:43" (1/1) ... [2024-11-08 18:12:43,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:12:43,682 WARN L250 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_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i[915,928] [2024-11-08 18:12:43,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:12:43,782 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:12:43,796 WARN L250 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_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-90.i[915,928] [2024-11-08 18:12:43,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:12:43,896 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:12:43,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:43 WrapperNode [2024-11-08 18:12:43,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:12:43,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:12:43,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:12:43,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:12:43,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:43" (1/1) ... [2024-11-08 18:12:43,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:43" (1/1) ... [2024-11-08 18:12:43,991 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 109 [2024-11-08 18:12:43,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:12:43,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:12:43,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:12:43,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:12:44,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:43" (1/1) ... [2024-11-08 18:12:44,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:43" (1/1) ... [2024-11-08 18:12:44,016 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:43" (1/1) ... [2024-11-08 18:12:44,039 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]. [2024-11-08 18:12:44,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:43" (1/1) ... [2024-11-08 18:12:44,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:43" (1/1) ... [2024-11-08 18:12:44,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:43" (1/1) ... [2024-11-08 18:12:44,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:43" (1/1) ... [2024-11-08 18:12:44,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:43" (1/1) ... [2024-11-08 18:12:44,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:43" (1/1) ... [2024-11-08 18:12:44,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:12:44,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:12:44,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:12:44,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:12:44,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:43" (1/1) ... [2024-11-08 18:12:44,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:12:44,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:12:44,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:12:44,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:12:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:12:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 18:12:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:12:44,155 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:12:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:12:44,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:12:44,267 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:12:44,272 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:12:44,616 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 18:12:44,616 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:12:44,631 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:12:44,631 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:12:44,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:12:44 BoogieIcfgContainer [2024-11-08 18:12:44,633 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:12:44,637 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:12:44,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:12:44,641 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:12:44,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:12:43" (1/3) ... [2024-11-08 18:12:44,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd5dd34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:12:44, skipping insertion in model container [2024-11-08 18:12:44,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:43" (2/3) ... [2024-11-08 18:12:44,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd5dd34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:12:44, skipping insertion in model container [2024-11-08 18:12:44,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:12:44" (3/3) ... [2024-11-08 18:12:44,649 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-90.i [2024-11-08 18:12:44,670 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:12:44,670 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:12:44,744 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:12:44,750 INFO L333 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, 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;@67412985, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:12:44,750 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:12:44,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:12:44,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 18:12:44,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:12:44,768 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:12:44,769 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:12:44,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:12:44,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1528527400, now seen corresponding path program 1 times [2024-11-08 18:12:44,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:12:44,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [823227063] [2024-11-08 18:12:44,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:12:44,792 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 [2024-11-08 18:12:44,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:12:44,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:12:44,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:12:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:45,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 18:12:45,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:12:45,072 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-08 18:12:45,072 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:12:45,073 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:12:45,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [823227063] [2024-11-08 18:12:45,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [823227063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:12:45,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:12:45,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:12:45,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261717684] [2024-11-08 18:12:45,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:12:45,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:12:45,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:12:45,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:12:45,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:12:45,116 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:12:45,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:12:45,151 INFO L93 Difference]: Finished difference Result 95 states and 161 transitions. [2024-11-08 18:12:45,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:12:45,154 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 107 [2024-11-08 18:12:45,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:12:45,161 INFO L225 Difference]: With dead ends: 95 [2024-11-08 18:12:45,161 INFO L226 Difference]: Without dead ends: 47 [2024-11-08 18:12:45,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:12:45,168 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:12:45,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:12:45,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-08 18:12:45,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-08 18:12:45,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:12:45,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2024-11-08 18:12:45,221 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 107 [2024-11-08 18:12:45,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:12:45,221 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2024-11-08 18:12:45,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:12:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2024-11-08 18:12:45,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 18:12:45,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:12:45,226 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:12:45,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:12:45,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:12:45,427 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:12:45,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:12:45,428 INFO L85 PathProgramCache]: Analyzing trace with hash -2051808026, now seen corresponding path program 1 times [2024-11-08 18:12:45,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:12:45,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [435266251] [2024-11-08 18:12:45,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:12:45,430 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 [2024-11-08 18:12:45,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:12:45,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:12:45,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:12:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:45,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 18:12:45,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:12:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-08 18:12:50,895 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:12:50,895 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:12:50,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [435266251] [2024-11-08 18:12:50,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [435266251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:12:50,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:12:50,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 18:12:50,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183512247] [2024-11-08 18:12:50,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:12:50,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 18:12:50,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:12:50,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 18:12:50,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:12:50,900 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 14 states, 14 states have (on average 2.0) internal successors, (28), 12 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:12:53,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:12:53,652 INFO L93 Difference]: Finished difference Result 128 states and 176 transitions. [2024-11-08 18:12:53,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 18:12:53,654 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.0) internal successors, (28), 12 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 107 [2024-11-08 18:12:53,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:12:53,657 INFO L225 Difference]: With dead ends: 128 [2024-11-08 18:12:53,657 INFO L226 Difference]: Without dead ends: 126 [2024-11-08 18:12:53,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=205, Invalid=725, Unknown=0, NotChecked=0, Total=930 [2024-11-08 18:12:53,659 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 180 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:12:53,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 389 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 18:12:53,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-08 18:12:53,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 90. [2024-11-08 18:12:53,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 52 states have (on average 1.1730769230769231) internal successors, (61), 52 states have internal predecessors, (61), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 18:12:53,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 129 transitions. [2024-11-08 18:12:53,688 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 129 transitions. Word has length 107 [2024-11-08 18:12:53,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:12:53,689 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 129 transitions. [2024-11-08 18:12:53,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.0) internal successors, (28), 12 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:12:53,690 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 129 transitions. [2024-11-08 18:12:53,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 18:12:53,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:12:53,692 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:12:53,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:12:53,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:12:53,896 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:12:53,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:12:53,897 INFO L85 PathProgramCache]: Analyzing trace with hash -276800664, now seen corresponding path program 1 times [2024-11-08 18:12:53,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:12:53,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954537520] [2024-11-08 18:12:53,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:12:53,898 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 [2024-11-08 18:12:53,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:12:53,900 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:12:53,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:12:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:54,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 18:12:54,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:12:54,187 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 160 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-08 18:12:54,187 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:12:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-08 18:12:54,407 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:12:54,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954537520] [2024-11-08 18:12:54,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1954537520] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:12:54,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:12:54,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-11-08 18:12:54,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524685754] [2024-11-08 18:12:54,410 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:12:54,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 18:12:54,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:12:54,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 18:12:54,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:12:54,414 INFO L87 Difference]: Start difference. First operand 90 states and 129 transitions. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-08 18:12:55,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:12:55,091 INFO L93 Difference]: Finished difference Result 150 states and 207 transitions. [2024-11-08 18:12:55,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 18:12:55,092 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 107 [2024-11-08 18:12:55,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:12:55,094 INFO L225 Difference]: With dead ends: 150 [2024-11-08 18:12:55,094 INFO L226 Difference]: Without dead ends: 106 [2024-11-08 18:12:55,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2024-11-08 18:12:55,100 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 71 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:12:55,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 224 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 18:12:55,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-08 18:12:55,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2024-11-08 18:12:55,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 61 states have internal predecessors, (66), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 18:12:55,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 134 transitions. [2024-11-08 18:12:55,140 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 134 transitions. Word has length 107 [2024-11-08 18:12:55,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:12:55,143 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 134 transitions. [2024-11-08 18:12:55,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-08 18:12:55,144 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 134 transitions. [2024-11-08 18:12:55,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 18:12:55,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:12:55,148 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:12:55,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-08 18:12:55,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:12:55,349 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:12:55,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:12:55,350 INFO L85 PathProgramCache]: Analyzing trace with hash 412972468, now seen corresponding path program 1 times [2024-11-08 18:12:55,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:12:55,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078557883] [2024-11-08 18:12:55,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:12:55,351 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 [2024-11-08 18:12:55,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:12:55,355 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:12:55,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:12:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:12:55,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 18:12:55,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:13:00,126 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 217 proven. 36 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-08 18:13:00,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:13:12,138 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-08 18:13:12,138 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:13:12,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078557883] [2024-11-08 18:13:12,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078557883] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:13:12,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:13:12,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [16] total 28 [2024-11-08 18:13:12,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979369903] [2024-11-08 18:13:12,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:13:12,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 18:13:12,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:13:12,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 18:13:12,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=608, Unknown=0, NotChecked=0, Total=756 [2024-11-08 18:13:12,142 INFO L87 Difference]: Start difference. First operand 102 states and 134 transitions. Second operand has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:13:15,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:13:15,397 INFO L93 Difference]: Finished difference Result 117 states and 147 transitions. [2024-11-08 18:13:15,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 18:13:15,398 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108 [2024-11-08 18:13:15,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:13:15,400 INFO L225 Difference]: With dead ends: 117 [2024-11-08 18:13:15,401 INFO L226 Difference]: Without dead ends: 115 [2024-11-08 18:13:15,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=188, Invalid=804, Unknown=0, NotChecked=0, Total=992 [2024-11-08 18:13:15,403 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 159 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:13:15,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 357 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 18:13:15,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-08 18:13:15,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 110. [2024-11-08 18:13:15,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 67 states have (on average 1.0746268656716418) internal successors, (72), 67 states have internal predecessors, (72), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 18:13:15,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 140 transitions. [2024-11-08 18:13:15,430 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 140 transitions. Word has length 108 [2024-11-08 18:13:15,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:13:15,431 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 140 transitions. [2024-11-08 18:13:15,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:13:15,431 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 140 transitions. [2024-11-08 18:13:15,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 18:13:15,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:13:15,434 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:13:15,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-08 18:13:15,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:13:15,634 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:13:15,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:13:15,635 INFO L85 PathProgramCache]: Analyzing trace with hash -319239203, now seen corresponding path program 1 times [2024-11-08 18:13:15,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:13:15,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880166869] [2024-11-08 18:13:15,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:13:15,636 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 [2024-11-08 18:13:15,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:13:15,638 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:13:15,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-08 18:13:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:15,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 18:13:15,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:13:19,694 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 217 proven. 36 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-08 18:13:19,694 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:13:37,421 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-08 18:13:37,422 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:13:37,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880166869] [2024-11-08 18:13:37,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880166869] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:13:37,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:13:37,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [16] total 28 [2024-11-08 18:13:37,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188437656] [2024-11-08 18:13:37,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:13:37,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 18:13:37,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:13:37,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 18:13:37,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=596, Unknown=0, NotChecked=0, Total=756 [2024-11-08 18:13:37,425 INFO L87 Difference]: Start difference. First operand 110 states and 140 transitions. Second operand has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:13:42,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:13:42,298 INFO L93 Difference]: Finished difference Result 120 states and 150 transitions. [2024-11-08 18:13:42,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 18:13:42,299 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2024-11-08 18:13:42,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:13:42,300 INFO L225 Difference]: With dead ends: 120 [2024-11-08 18:13:42,301 INFO L226 Difference]: Without dead ends: 118 [2024-11-08 18:13:42,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=180, Invalid=690, Unknown=0, NotChecked=0, Total=870 [2024-11-08 18:13:42,302 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 111 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:13:42,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 341 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-08 18:13:42,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-08 18:13:42,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 94. [2024-11-08 18:13:42,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 56 states have internal predecessors, (59), 32 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 18:13:42,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 123 transitions. [2024-11-08 18:13:42,350 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 123 transitions. Word has length 109 [2024-11-08 18:13:42,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:13:42,351 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 123 transitions. [2024-11-08 18:13:42,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:13:42,351 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 123 transitions. [2024-11-08 18:13:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 18:13:42,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:13:42,354 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:13:42,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-08 18:13:42,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:13:42,555 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:13:42,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:13:42,556 INFO L85 PathProgramCache]: Analyzing trace with hash -321086245, now seen corresponding path program 1 times [2024-11-08 18:13:42,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:13:42,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117809934] [2024-11-08 18:13:42,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:13:42,557 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 [2024-11-08 18:13:42,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:13:42,561 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:13:42,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-08 18:13:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:42,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 18:13:42,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:13:49,058 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 441 proven. 54 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 18:13:49,058 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:14:01,212 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-08 18:14:01,212 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:14:01,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [117809934] [2024-11-08 18:14:01,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [117809934] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:14:01,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:14:01,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [35] total 48 [2024-11-08 18:14:01,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620298671] [2024-11-08 18:14:01,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:14:01,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 18:14:01,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:14:01,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 18:14:01,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=1895, Unknown=0, NotChecked=0, Total=2256 [2024-11-08 18:14:01,218 INFO L87 Difference]: Start difference. First operand 94 states and 123 transitions. Second operand has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:14:07,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:14:07,148 INFO L93 Difference]: Finished difference Result 109 states and 136 transitions. [2024-11-08 18:14:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 18:14:07,149 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2024-11-08 18:14:07,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:14:07,150 INFO L225 Difference]: With dead ends: 109 [2024-11-08 18:14:07,150 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 18:14:07,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 989 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=446, Invalid=2416, Unknown=0, NotChecked=0, Total=2862 [2024-11-08 18:14:07,153 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 50 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:14:07,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 185 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-08 18:14:07,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 18:14:07,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 18:14:07,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:14:07,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 18:14:07,155 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2024-11-08 18:14:07,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:14:07,155 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 18:14:07,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:14:07,156 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 18:14:07,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 18:14:07,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:14:07,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-08 18:14:07,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:14:07,363 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-08 18:14:07,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 18:14:16,915 WARN L286 SmtUtils]: Spent 5.86s on a formula simplification. DAG size of input: 297 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 18:14:24,087 WARN L286 SmtUtils]: Spent 6.91s on a formula simplification. DAG size of input: 306 DAG size of output: 19 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 18:14:43,603 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:14:43,618 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-08 18:14:43,619 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~stepLocal_1~0 [2024-11-08 18:14:43,619 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-08 18:14:43,619 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-08 18:14:43,620 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 18:14:43,620 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 18:14:43,620 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 18:14:43,620 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 18:14:43,620 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:14:43,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 18:14:43,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-08 18:14:43,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-08 18:14:43,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-08 18:14:43,622 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-08 18:14:43,622 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-08 18:14:43,623 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-08 18:14:43,630 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-08 18:14:43,631 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-08 18:14:43,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:14:43 BoogieIcfgContainer [2024-11-08 18:14:43,640 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:14:43,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:14:43,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:14:43,641 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:14:43,642 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:12:44" (3/4) ... [2024-11-08 18:14:43,644 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 18:14:43,649 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 18:14:43,659 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 18:14:43,660 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 18:14:43,661 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 18:14:43,661 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 18:14:43,780 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:14:43,781 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 18:14:43,781 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:14:43,782 INFO L158 Benchmark]: Toolchain (without parser) took 120370.77ms. Allocated memory was 75.5MB in the beginning and 937.4MB in the end (delta: 861.9MB). Free memory was 51.9MB in the beginning and 442.8MB in the end (delta: -390.9MB). Peak memory consumption was 472.0MB. Max. memory is 16.1GB. [2024-11-08 18:14:43,783 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:14:43,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.73ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 54.1MB in the end (delta: -2.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-11-08 18:14:43,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.60ms. Allocated memory is still 75.5MB. Free memory was 54.1MB in the beginning and 51.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:14:43,785 INFO L158 Benchmark]: Boogie Preprocessor took 77.76ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 49.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:14:43,785 INFO L158 Benchmark]: RCFGBuilder took 558.71ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 49.4MB in the beginning and 76.2MB in the end (delta: -26.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-11-08 18:14:43,785 INFO L158 Benchmark]: TraceAbstraction took 119002.78ms. Allocated memory was 100.7MB in the beginning and 937.4MB in the end (delta: 836.8MB). Free memory was 75.8MB in the beginning and 448.0MB in the end (delta: -372.3MB). Peak memory consumption was 565.5MB. Max. memory is 16.1GB. [2024-11-08 18:14:43,787 INFO L158 Benchmark]: Witness Printer took 140.44ms. Allocated memory is still 937.4MB. Free memory was 448.0MB in the beginning and 442.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:14:43,789 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 486.73ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 54.1MB in the end (delta: -2.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.60ms. Allocated memory is still 75.5MB. Free memory was 54.1MB in the beginning and 51.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.76ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 49.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.71ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 49.4MB in the beginning and 76.2MB in the end (delta: -26.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * TraceAbstraction took 119002.78ms. Allocated memory was 100.7MB in the beginning and 937.4MB in the end (delta: 836.8MB). Free memory was 75.8MB in the beginning and 448.0MB in the end (delta: -372.3MB). Peak memory consumption was 565.5MB. Max. memory is 16.1GB. * Witness Printer took 140.44ms. Allocated memory is still 937.4MB. Free memory was 448.0MB in the beginning and 442.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~stepLocal_1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 82.6s, OverallIterations: 6, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 586 SdHoareTripleChecker+Valid, 10.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 571 mSDsluCounter, 1564 SdHoareTripleChecker+Invalid, 9.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1157 mSDsCounter, 201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1779 IncrementalHoareTripleChecker+Invalid, 1980 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 201 mSolverCounterUnsat, 407 mSDtfsCounter, 1779 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1113 GetRequests, 953 SyntacticMatches, 1 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1791 ImplicationChecksByTransitivity, 25.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=4, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 69 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 62.6s InterpolantComputationTime, 647 NumberOfCodeBlocks, 647 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1070 ConstructedInterpolants, 17 QuantifiedInterpolants, 12293 SizeOfPredicates, 85 NumberOfNonLiveVariables, 1066 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 5302/5440 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((((var_1_15 <= 1) && (2 == last_1_var_1_6)) && (var_1_6 == 2)) && (var_1_15 >= 1)) || ((((((2 * var_1_11) < var_1_11) || (var_1_16 == var_1_15)) && (var_1_16 <= 1)) && (var_1_15 >= 1)) && (!((2 * var_1_11) < var_1_11) || (var_1_16 == var_1_15)))) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (((var_1_15 <= 1) && (var_1_15 >= 1)) || ((((var_1_15 <= 1) && (var_1_16 >= 1)) && (var_1_16 <= 1)) && (var_1_15 >= 1))) Ensures: (((((var_1_15 <= 1) && (var_1_15 >= 1)) || ((((var_1_15 <= 1) && (var_1_16 >= 1)) && (var_1_16 <= 1)) && (var_1_15 >= 1))) && (0 != cond)) && ((((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18))) && (last_1_var_1_6 == \old(last_1_var_1_6)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 18:14:43,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3969f1c-47fb-4ea2-b9e9-2cb5effbb670/bin/uautomizer-verify-jihMAELWvX/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 Writing output log to file Ultimate.log Result: TRUE