./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU --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 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:02:15,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:02:15,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:02:15,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:02:15,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:02:15,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:02:15,445 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:02:15,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:02:15,447 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:02:15,447 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:02:15,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:02:15,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:02:15,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:02:15,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:02:15,458 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:02:15,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:02:15,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:02:15,459 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:02:15,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:02:15,460 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:02:15,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:02:15,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:02:15,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:02:15,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:02:15,466 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:02:15,466 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:02:15,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:02:15,467 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:02:15,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:02:15,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:02:15,476 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:02:15,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:02:15,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:02:15,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:02:15,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:02:15,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:02:15,478 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:02:15,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:02:15,479 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:02:15,479 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:02:15,480 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:02:15,480 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:02:15,481 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_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc [2024-10-31 22:02:15,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:02:15,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:02:15,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:02:15,930 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:02:15,931 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:02:15,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i Unable to find full path for "g++" [2024-10-31 22:02:18,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:02:18,606 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:02:18,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i [2024-10-31 22:02:18,620 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/data/8b196ed6c/9c8fdee3f35f4dbca6305f3fe1e8dc1a/FLAGce99e2886 [2024-10-31 22:02:18,645 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/data/8b196ed6c/9c8fdee3f35f4dbca6305f3fe1e8dc1a [2024-10-31 22:02:18,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:02:18,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:02:18,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:18,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:02:18,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:02:18,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:18" (1/1) ... [2024-10-31 22:02:18,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ebe840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:18, skipping insertion in model container [2024-10-31 22:02:18,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:18" (1/1) ... [2024-10-31 22:02:18,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:02:19,026 WARN L251 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_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i[915,928] [2024-10-31 22:02:19,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:02:19,073 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:02:19,085 WARN L251 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_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i[915,928] [2024-10-31 22:02:19,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:02:19,119 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:02:19,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:19 WrapperNode [2024-10-31 22:02:19,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:19,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:02:19,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:02:19,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:02:19,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:19" (1/1) ... [2024-10-31 22:02:19,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:19" (1/1) ... [2024-10-31 22:02:19,158 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-10-31 22:02:19,158 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:02:19,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:02:19,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:02:19,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:02:19,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:19" (1/1) ... [2024-10-31 22:02:19,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:19" (1/1) ... [2024-10-31 22:02:19,187 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:19" (1/1) ... [2024-10-31 22:02:19,203 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]. [2024-10-31 22:02:19,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:19" (1/1) ... [2024-10-31 22:02:19,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:19" (1/1) ... [2024-10-31 22:02:19,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:19" (1/1) ... [2024-10-31 22:02:19,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:19" (1/1) ... [2024-10-31 22:02:19,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:19" (1/1) ... [2024-10-31 22:02:19,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:19" (1/1) ... [2024-10-31 22:02:19,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:02:19,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:02:19,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:02:19,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:02:19,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:19" (1/1) ... [2024-10-31 22:02:19,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:02:19,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:19,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:19,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:02:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:02:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:02:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:02:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:02:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:02:19,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:02:19,393 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:02:19,395 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:02:19,612 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-31 22:02:19,612 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:02:19,626 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:02:19,627 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:02:19,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:19 BoogieIcfgContainer [2024-10-31 22:02:19,628 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:02:19,630 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:02:19,630 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:02:19,635 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:02:19,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:02:18" (1/3) ... [2024-10-31 22:02:19,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2722cd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:19, skipping insertion in model container [2024-10-31 22:02:19,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:19" (2/3) ... [2024-10-31 22:02:19,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2722cd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:19, skipping insertion in model container [2024-10-31 22:02:19,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:19" (3/3) ... [2024-10-31 22:02:19,639 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-14.i [2024-10-31 22:02:19,658 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:02:19,658 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:02:19,745 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:02:19,758 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;@1f14c303, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:02:19,758 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:02:19,765 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:02:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-31 22:02:19,777 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:02:19,778 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:19,778 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:02:19,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:19,786 INFO L85 PathProgramCache]: Analyzing trace with hash -347497792, now seen corresponding path program 1 times [2024-10-31 22:02:19,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:19,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315493718] [2024-10-31 22:02:19,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:19,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:20,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:02:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:20,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-31 22:02:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:20,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:02:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:20,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-31 22:02:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:20,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:02:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:20,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:02:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:20,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:02:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-31 22:02:20,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:20,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315493718] [2024-10-31 22:02:20,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315493718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:20,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:20,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:20,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639388681] [2024-10-31 22:02:20,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:20,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:02:20,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:20,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:02:20,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:02:20,273 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-31 22:02:20,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:02:20,318 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2024-10-31 22:02:20,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:02:20,329 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-10-31 22:02:20,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:02:20,339 INFO L225 Difference]: With dead ends: 57 [2024-10-31 22:02:20,340 INFO L226 Difference]: Without dead ends: 28 [2024-10-31 22:02:20,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:02:20,354 INFO L432 NwaCegarLoop]: 35 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, 35 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 [2024-10-31 22:02:20,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:02:20,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-10-31 22:02:20,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-10-31 22:02:20,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:02:20,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-10-31 22:02:20,421 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2024-10-31 22:02:20,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:02:20,423 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-10-31 22:02:20,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-31 22:02:20,425 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-10-31 22:02:20,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-31 22:02:20,429 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:02:20,430 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:20,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:02:20,432 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:02:20,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:20,437 INFO L85 PathProgramCache]: Analyzing trace with hash -891918394, now seen corresponding path program 1 times [2024-10-31 22:02:20,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:20,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832909849] [2024-10-31 22:02:20,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:20,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:20,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:02:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:20,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-31 22:02:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:20,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:02:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:20,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-31 22:02:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:20,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:02:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:20,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:02:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:20,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:02:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-31 22:02:20,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:20,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832909849] [2024-10-31 22:02:20,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832909849] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:20,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:20,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:02:20,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49823007] [2024-10-31 22:02:20,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:20,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:20,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:20,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:20,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:20,852 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-31 22:02:20,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:02:20,876 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2024-10-31 22:02:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:20,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 50 [2024-10-31 22:02:20,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:02:20,880 INFO L225 Difference]: With dead ends: 53 [2024-10-31 22:02:20,880 INFO L226 Difference]: Without dead ends: 28 [2024-10-31 22:02:20,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:20,884 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:02:20,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:02:20,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-10-31 22:02:20,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-10-31 22:02:20,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:02:20,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2024-10-31 22:02:20,898 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 50 [2024-10-31 22:02:20,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:02:20,901 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2024-10-31 22:02:20,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-31 22:02:20,901 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-10-31 22:02:20,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-31 22:02:20,906 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:02:20,906 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:20,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:02:20,907 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:02:20,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:20,909 INFO L85 PathProgramCache]: Analyzing trace with hash -893765436, now seen corresponding path program 1 times [2024-10-31 22:02:20,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:20,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061257064] [2024-10-31 22:02:20,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:20,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:20,983 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:21,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:21,048 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:02:21,050 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:02:21,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:02:21,059 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-31 22:02:21,107 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:02:21,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:02:21 BoogieIcfgContainer [2024-10-31 22:02:21,111 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:02:21,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:02:21,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:02:21,112 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:02:21,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:19" (3/4) ... [2024-10-31 22:02:21,120 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:02:21,121 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:02:21,122 INFO L158 Benchmark]: Toolchain (without parser) took 2468.74ms. Allocated memory is still 161.5MB. Free memory was 131.4MB in the beginning and 63.6MB in the end (delta: 67.8MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-10-31 22:02:21,123 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory was 93.7MB in the beginning and 93.6MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:02:21,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.76ms. Allocated memory is still 161.5MB. Free memory was 131.1MB in the beginning and 119.4MB in the end (delta: 11.7MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-10-31 22:02:21,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.20ms. Allocated memory is still 161.5MB. Free memory was 119.4MB in the beginning and 118.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:02:21,125 INFO L158 Benchmark]: Boogie Preprocessor took 60.19ms. Allocated memory is still 161.5MB. Free memory was 118.1MB in the beginning and 115.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:02:21,125 INFO L158 Benchmark]: RCFGBuilder took 406.72ms. Allocated memory is still 161.5MB. Free memory was 115.3MB in the beginning and 123.5MB in the end (delta: -8.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:02:21,126 INFO L158 Benchmark]: TraceAbstraction took 1481.37ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 63.6MB in the end (delta: 59.6MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-10-31 22:02:21,126 INFO L158 Benchmark]: Witness Printer took 9.22ms. Allocated memory is still 161.5MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:02:21,129 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory was 93.7MB in the beginning and 93.6MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.76ms. Allocated memory is still 161.5MB. Free memory was 131.1MB in the beginning and 119.4MB in the end (delta: 11.7MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.20ms. Allocated memory is still 161.5MB. Free memory was 119.4MB in the beginning and 118.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.19ms. Allocated memory is still 161.5MB. Free memory was 118.1MB in the beginning and 115.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 406.72ms. Allocated memory is still 161.5MB. Free memory was 115.3MB in the beginning and 123.5MB in the end (delta: -8.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1481.37ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 63.6MB in the end (delta: 59.6MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 9.22ms. Allocated memory is still 161.5MB. Free memory is still 63.6MB. 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 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 39. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 16.75; [L23] double var_1_5 = 2.05; [L24] double var_1_6 = 9.375; [L25] double var_1_7 = 64.4; [L26] double var_1_8 = 10000.25; [L27] signed short int var_1_9 = -2; [L28] signed short int var_1_10 = 0; [L29] unsigned short int var_1_11 = 4; [L30] unsigned short int var_1_12 = 128; VAL [isInitial=0, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_5=41/20, var_1_6=75/8, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L63] isInitial = 1 [L64] FCALL initially() [L65] COND TRUE 1 [L66] FCALL updateLastVariables() [L67] CALL updateVariables() [L43] var_1_5 = __VERIFIER_nondet_double() [L44] CALL assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_6=75/8, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_6=75/8, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L44] RET assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_6=75/8, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L45] var_1_6 = __VERIFIER_nondet_double() [L46] CALL assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L46] RET assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L47] var_1_7 = __VERIFIER_nondet_double() [L48] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L48] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L49] var_1_10 = __VERIFIER_nondet_short() [L50] CALL assume_abort_if_not(var_1_10 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L50] RET assume_abort_if_not(var_1_10 >= -32767) VAL [isInitial=1, var_1_10=-32767, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L51] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L51] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=-32767, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L52] var_1_12 = __VERIFIER_nondet_ushort() [L53] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=4, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=4, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L53] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=-32767, var_1_11=4, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L54] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=4, var_1_12=0, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=4, var_1_12=0, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L54] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, var_1_10=-32767, var_1_11=4, var_1_12=0, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L67] RET updateVariables() [L68] CALL step() [L34] var_1_8 = var_1_5 [L35] var_1_9 = var_1_10 [L36] var_1_11 = var_1_12 [L37] signed short int stepLocal_0 = var_1_9; VAL [isInitial=1, stepLocal_0=-32767, var_1_10=-32767, var_1_11=0, var_1_12=0, var_1_1=67/4, var_1_5=10005, var_1_8=10005, var_1_9=-32767] [L38] COND TRUE stepLocal_0 <= (var_1_11 + ((((50) > (var_1_9)) ? (50) : (var_1_9)))) [L39] var_1_1 = ((var_1_5 + var_1_6) + var_1_7) VAL [isInitial=1, var_1_10=-32767, var_1_11=0, var_1_12=0, var_1_5=10005, var_1_8=10005, var_1_9=-32767] [L68] RET step() [L69] CALL, EXPR property() [L59-L60] return ((((var_1_9 <= (var_1_11 + ((((50) > (var_1_9)) ? (50) : (var_1_9))))) ? (var_1_1 == ((double) ((var_1_5 + var_1_6) + var_1_7))) : 1) && (var_1_8 == ((double) var_1_5))) && (var_1_9 == ((signed short int) var_1_10))) && (var_1_11 == ((unsigned short int) var_1_12)) ; VAL [\result=0, isInitial=1, var_1_10=-32767, var_1_11=0, var_1_12=0, var_1_5=10005, var_1_8=10005, var_1_9=-32767] [L69] RET, EXPR property() [L69] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-32767, var_1_11=0, var_1_12=0, var_1_5=10005, var_1_8=10005, var_1_9=-32767] [L19] reach_error() VAL [isInitial=1, var_1_10=-32767, var_1_11=0, var_1_12=0, var_1_5=10005, var_1_8=10005, var_1_9=-32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 68 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 168/168 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 [2024-10-31 22:02:21,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU --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 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:02:24,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:02:24,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:02:24,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:02:24,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:02:24,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:02:24,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:02:24,372 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:02:24,372 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:02:24,373 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:02:24,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:02:24,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:02:24,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:02:24,378 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:02:24,379 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:02:24,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:02:24,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:02:24,380 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:02:24,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:02:24,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:02:24,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:02:24,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:02:24,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:02:24,386 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:02:24,386 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:02:24,387 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:02:24,387 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:02:24,388 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:02:24,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:02:24,388 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:02:24,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:02:24,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:02:24,392 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:02:24,392 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:02:24,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:02:24,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:02:24,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:02:24,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:02:24,395 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:02:24,395 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:02:24,395 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:02:24,395 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:02:24,396 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:02:24,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:02:24,397 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:02:24,397 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_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc [2024-10-31 22:02:24,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:02:24,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:02:24,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:02:24,936 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:02:24,937 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:02:24,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i Unable to find full path for "g++" [2024-10-31 22:02:27,324 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:02:27,589 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:02:27,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i [2024-10-31 22:02:27,605 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/data/0280e2a0b/a9552578f1304d0c84d729eb2dbc6860/FLAG41cccbd62 [2024-10-31 22:02:27,917 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/data/0280e2a0b/a9552578f1304d0c84d729eb2dbc6860 [2024-10-31 22:02:27,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:02:27,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:02:27,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:27,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:02:27,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:02:27,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:27" (1/1) ... [2024-10-31 22:02:27,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f496b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:27, skipping insertion in model container [2024-10-31 22:02:27,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:27" (1/1) ... [2024-10-31 22:02:27,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:02:28,195 WARN L251 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_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i[915,928] [2024-10-31 22:02:28,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:02:28,251 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:02:28,263 WARN L251 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_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i[915,928] [2024-10-31 22:02:28,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:02:28,299 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:02:28,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:28 WrapperNode [2024-10-31 22:02:28,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:28,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:02:28,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:02:28,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:02:28,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:28" (1/1) ... [2024-10-31 22:02:28,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:28" (1/1) ... [2024-10-31 22:02:28,345 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 71 [2024-10-31 22:02:28,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:02:28,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:02:28,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:02:28,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:02:28,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:28" (1/1) ... [2024-10-31 22:02:28,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:28" (1/1) ... [2024-10-31 22:02:28,364 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:28" (1/1) ... [2024-10-31 22:02:28,383 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]. [2024-10-31 22:02:28,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:28" (1/1) ... [2024-10-31 22:02:28,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:28" (1/1) ... [2024-10-31 22:02:28,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:28" (1/1) ... [2024-10-31 22:02:28,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:28" (1/1) ... [2024-10-31 22:02:28,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:28" (1/1) ... [2024-10-31 22:02:28,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:28" (1/1) ... [2024-10-31 22:02:28,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:02:28,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:02:28,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:02:28,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:02:28,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:28" (1/1) ... [2024-10-31 22:02:28,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:02:28,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:28,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:28,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:02:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:02:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:02:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:02:28,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:02:28,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:02:28,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:02:28,679 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:02:28,682 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:02:31,162 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-31 22:02:31,163 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:02:31,180 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:02:31,180 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:02:31,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:31 BoogieIcfgContainer [2024-10-31 22:02:31,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:02:31,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:02:31,186 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:02:31,192 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:02:31,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:02:27" (1/3) ... [2024-10-31 22:02:31,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d067327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:31, skipping insertion in model container [2024-10-31 22:02:31,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:28" (2/3) ... [2024-10-31 22:02:31,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d067327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:31, skipping insertion in model container [2024-10-31 22:02:31,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:31" (3/3) ... [2024-10-31 22:02:31,198 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-14.i [2024-10-31 22:02:31,218 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:02:31,219 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:02:31,309 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:02:31,326 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;@3b986bf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:02:31,328 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:02:31,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:02:31,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-31 22:02:31,358 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:02:31,359 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:31,361 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:02:31,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:31,372 INFO L85 PathProgramCache]: Analyzing trace with hash -347497792, now seen corresponding path program 1 times [2024-10-31 22:02:31,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:02:31,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [519681601] [2024-10-31 22:02:31,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:31,406 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 [2024-10-31 22:02:31,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:02:31,415 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:02:31,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:02:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:31,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:02:31,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:31,881 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-31 22:02:31,884 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:02:31,885 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:02:31,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [519681601] [2024-10-31 22:02:31,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [519681601] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:31,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:31,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:31,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926348756] [2024-10-31 22:02:31,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:31,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:02:31,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:02:31,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:02:31,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:02:31,932 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-31 22:02:31,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:02:31,962 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2024-10-31 22:02:31,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:02:31,965 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-10-31 22:02:31,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:02:31,973 INFO L225 Difference]: With dead ends: 57 [2024-10-31 22:02:31,973 INFO L226 Difference]: Without dead ends: 28 [2024-10-31 22:02:31,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:02:31,983 INFO L432 NwaCegarLoop]: 35 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, 35 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 [2024-10-31 22:02:31,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:02:32,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-10-31 22:02:32,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-10-31 22:02:32,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:02:32,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-10-31 22:02:32,058 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2024-10-31 22:02:32,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:02:32,058 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-10-31 22:02:32,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-31 22:02:32,059 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-10-31 22:02:32,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-31 22:02:32,063 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:02:32,063 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:32,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:02:32,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:02:32,265 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:02:32,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:32,266 INFO L85 PathProgramCache]: Analyzing trace with hash -891918394, now seen corresponding path program 1 times [2024-10-31 22:02:32,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:02:32,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386077306] [2024-10-31 22:02:32,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:32,267 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 [2024-10-31 22:02:32,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:02:32,281 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:02:32,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:02:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:32,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:02:32,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:32,675 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-31 22:02:32,676 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:02:32,676 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:02:32,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386077306] [2024-10-31 22:02:32,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1386077306] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:32,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:32,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:02:32,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626188258] [2024-10-31 22:02:32,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:32,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:32,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:02:32,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:32,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:32,681 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-31 22:02:33,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 22:02:35,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 22:02:35,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:02:35,226 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2024-10-31 22:02:35,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:35,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 50 [2024-10-31 22:02:35,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:02:35,244 INFO L225 Difference]: With dead ends: 53 [2024-10-31 22:02:35,244 INFO L226 Difference]: Without dead ends: 28 [2024-10-31 22:02:35,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:35,248 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:02:35,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-31 22:02:35,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-10-31 22:02:35,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-10-31 22:02:35,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:02:35,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2024-10-31 22:02:35,261 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 50 [2024-10-31 22:02:35,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:02:35,263 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2024-10-31 22:02:35,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-31 22:02:35,264 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-10-31 22:02:35,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-31 22:02:35,268 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:02:35,268 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:35,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:02:35,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:02:35,469 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:02:35,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:35,470 INFO L85 PathProgramCache]: Analyzing trace with hash -893765436, now seen corresponding path program 1 times [2024-10-31 22:02:35,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:02:35,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [340213952] [2024-10-31 22:02:35,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:35,471 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 [2024-10-31 22:02:35,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:02:35,475 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:02:35,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e9992d-03f3-4cee-9b21-6ed665f2cea5/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:02:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:35,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-31 22:02:35,740 INFO L278 TraceCheckSpWp]: Computing forward predicates...