./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef5db925f2e8ec3d5648f64b513836d0bb3bb3fe326dda100ad59242c7d9ff1f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:13:35,440 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:13:35,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:13:35,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:13:35,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:13:35,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:13:35,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:13:35,600 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:13:35,601 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:13:35,603 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:13:35,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:13:35,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:13:35,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:13:35,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:13:35,610 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:13:35,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:13:35,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:13:35,611 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:13:35,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:13:35,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:13:35,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:13:35,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:13:35,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:13:35,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:13:35,614 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:13:35,615 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:13:35,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:13:35,616 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:13:35,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:13:35,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:13:35,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:13:35,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:13:35,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:13:35,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:13:35,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:13:35,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:13:35,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:13:35,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:13:35,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:13:35,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:13:35,633 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:13:35,635 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:13:35,635 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_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef5db925f2e8ec3d5648f64b513836d0bb3bb3fe326dda100ad59242c7d9ff1f [2024-11-08 17:13:35,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:13:35,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:13:35,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:13:35,998 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:13:35,998 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:13:36,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-89.i Unable to find full path for "g++" [2024-11-08 17:13:38,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:13:38,326 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:13:38,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-89.i [2024-11-08 17:13:38,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/data/0fdb694e5/a2f751f1e0494176bb8bca352a4870b8/FLAG7bf3e8890 [2024-11-08 17:13:38,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/data/0fdb694e5/a2f751f1e0494176bb8bca352a4870b8 [2024-11-08 17:13:38,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:13:38,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:13:38,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:13:38,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:13:38,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:13:38,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:13:38" (1/1) ... [2024-11-08 17:13:38,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428e3bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:38, skipping insertion in model container [2024-11-08 17:13:38,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:13:38" (1/1) ... [2024-11-08 17:13:38,429 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:13:38,665 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-89.i[915,928] [2024-11-08 17:13:38,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:13:38,755 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:13:38,770 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-89.i[915,928] [2024-11-08 17:13:38,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:13:38,838 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:13:38,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:38 WrapperNode [2024-11-08 17:13:38,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:13:38,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:13:38,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:13:38,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:13:38,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:38" (1/1) ... [2024-11-08 17:13:38,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:38" (1/1) ... [2024-11-08 17:13:38,920 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-11-08 17:13:38,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:13:38,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:13:38,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:13:38,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:13:38,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:38" (1/1) ... [2024-11-08 17:13:38,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:38" (1/1) ... [2024-11-08 17:13:38,942 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:38" (1/1) ... [2024-11-08 17:13:38,957 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:13:38,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:38" (1/1) ... [2024-11-08 17:13:38,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:38" (1/1) ... [2024-11-08 17:13:38,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:38" (1/1) ... [2024-11-08 17:13:38,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:38" (1/1) ... [2024-11-08 17:13:38,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:38" (1/1) ... [2024-11-08 17:13:38,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:38" (1/1) ... [2024-11-08 17:13:38,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:13:38,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:13:38,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:13:38,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:13:38,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:38" (1/1) ... [2024-11-08 17:13:38,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:13:39,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:13:39,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:13:39,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:13:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:13:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:13:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:13:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:13:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:13:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:13:39,163 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:13:39,166 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:13:39,535 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 17:13:39,536 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:13:39,556 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:13:39,558 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:13:39,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:13:39 BoogieIcfgContainer [2024-11-08 17:13:39,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:13:39,562 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:13:39,563 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:13:39,568 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:13:39,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:13:38" (1/3) ... [2024-11-08 17:13:39,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eddd573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:13:39, skipping insertion in model container [2024-11-08 17:13:39,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:38" (2/3) ... [2024-11-08 17:13:39,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eddd573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:13:39, skipping insertion in model container [2024-11-08 17:13:39,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:13:39" (3/3) ... [2024-11-08 17:13:39,574 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-89.i [2024-11-08 17:13:39,590 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:13:39,590 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:13:39,687 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:13:39,696 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;@55dd001f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:13:39,697 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:13:39,701 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 17:13:39,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-08 17:13:39,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:13:39,721 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:13:39,722 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:13:39,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:13:39,731 INFO L85 PathProgramCache]: Analyzing trace with hash -2088839932, now seen corresponding path program 1 times [2024-11-08 17:13:39,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:13:39,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638684341] [2024-11-08 17:13:39,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:13:39,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:13:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:13:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:13:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:13:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:13:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:13:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:13:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:13:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:13:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 17:13:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:13:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:13:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:13:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 17:13:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:13:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 17:13:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:13:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:13:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:13:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:13:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:40,276 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 17:13:40,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:13:40,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638684341] [2024-11-08 17:13:40,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638684341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:13:40,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:13:40,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:13:40,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141642909] [2024-11-08 17:13:40,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:13:40,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:13:40,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:13:40,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:13:40,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:13:40,321 INFO L87 Difference]: Start difference. First operand has 54 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 17:13:40,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:13:40,353 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-08 17:13:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:13:40,356 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2024-11-08 17:13:40,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:13:40,366 INFO L225 Difference]: With dead ends: 101 [2024-11-08 17:13:40,366 INFO L226 Difference]: Without dead ends: 50 [2024-11-08 17:13:40,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:13:40,375 INFO L432 NwaCegarLoop]: 71 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, 71 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:13:40,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:13:40,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-08 17:13:40,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-08 17:13:40,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 17:13:40,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2024-11-08 17:13:40,435 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 120 [2024-11-08 17:13:40,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:13:40,436 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2024-11-08 17:13:40,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 17:13:40,437 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-11-08 17:13:40,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-08 17:13:40,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:13:40,442 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:13:40,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:13:40,443 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:13:40,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:13:40,444 INFO L85 PathProgramCache]: Analyzing trace with hash 360597514, now seen corresponding path program 1 times [2024-11-08 17:13:40,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:13:40,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744902855] [2024-11-08 17:13:40,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:13:40,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:13:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:13:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:13:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:13:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:13:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:13:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:13:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:13:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:13:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 17:13:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:13:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:13:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:13:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 17:13:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:13:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 17:13:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:13:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:13:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:13:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:13:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 27 proven. 27 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-08 17:13:41,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:13:41,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744902855] [2024-11-08 17:13:41,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744902855] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:13:41,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320817400] [2024-11-08 17:13:41,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:13:41,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:13:41,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:13:41,728 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:13:41,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:13:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:41,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 17:13:41,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:13:42,306 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 27 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-08 17:13:42,306 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:13:42,690 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 27 proven. 27 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-08 17:13:42,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320817400] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:13:42,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:13:42,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-08 17:13:42,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186223154] [2024-11-08 17:13:42,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:13:42,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:13:42,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:13:42,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:13:42,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:13:42,701 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-08 17:13:43,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:13:43,034 INFO L93 Difference]: Finished difference Result 103 states and 144 transitions. [2024-11-08 17:13:43,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:13:43,035 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 120 [2024-11-08 17:13:43,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:13:43,038 INFO L225 Difference]: With dead ends: 103 [2024-11-08 17:13:43,038 INFO L226 Difference]: Without dead ends: 56 [2024-11-08 17:13:43,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 273 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:13:43,041 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 26 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:13:43,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 137 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:13:43,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-08 17:13:43,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2024-11-08 17:13:43,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 17:13:43,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 73 transitions. [2024-11-08 17:13:43,060 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 73 transitions. Word has length 120 [2024-11-08 17:13:43,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:13:43,061 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 73 transitions. [2024-11-08 17:13:43,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-08 17:13:43,061 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2024-11-08 17:13:43,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-08 17:13:43,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:13:43,064 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:13:43,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:13:43,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:13:43,265 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:13:43,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:13:43,266 INFO L85 PathProgramCache]: Analyzing trace with hash 358750472, now seen corresponding path program 1 times [2024-11-08 17:13:43,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:13:43,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484703030] [2024-11-08 17:13:43,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:13:43,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:13:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:13:43,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1653699045] [2024-11-08 17:13:43,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:13:43,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:13:43,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:13:43,325 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:13:43,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:13:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:13:43,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:13:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:13:43,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:13:43,635 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:13:43,637 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:13:43,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:13:43,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:13:43,844 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 17:13:43,953 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:13:43,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:13:43 BoogieIcfgContainer [2024-11-08 17:13:43,965 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:13:43,966 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:13:43,966 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:13:43,966 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:13:43,967 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:13:39" (3/4) ... [2024-11-08 17:13:43,972 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:13:43,973 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:13:43,976 INFO L158 Benchmark]: Toolchain (without parser) took 5596.75ms. Allocated memory was 144.7MB in the beginning and 205.5MB in the end (delta: 60.8MB). Free memory was 107.4MB in the beginning and 70.5MB in the end (delta: 36.9MB). Peak memory consumption was 99.8MB. Max. memory is 16.1GB. [2024-11-08 17:13:43,977 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 144.7MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:13:43,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.86ms. Allocated memory is still 144.7MB. Free memory was 107.4MB in the beginning and 93.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:13:43,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.39ms. Allocated memory is still 144.7MB. Free memory was 93.1MB in the beginning and 90.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:13:43,978 INFO L158 Benchmark]: Boogie Preprocessor took 61.75ms. Allocated memory is still 144.7MB. Free memory was 90.1MB in the beginning and 86.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:13:43,983 INFO L158 Benchmark]: RCFGBuilder took 575.07ms. Allocated memory is still 144.7MB. Free memory was 86.4MB in the beginning and 68.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:13:43,983 INFO L158 Benchmark]: TraceAbstraction took 4403.55ms. Allocated memory was 144.7MB in the beginning and 205.5MB in the end (delta: 60.8MB). Free memory was 68.6MB in the beginning and 70.5MB in the end (delta: -2.0MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2024-11-08 17:13:43,984 INFO L158 Benchmark]: Witness Printer took 7.70ms. Allocated memory is still 205.5MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:13:43,986 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 144.7MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.86ms. Allocated memory is still 144.7MB. Free memory was 107.4MB in the beginning and 93.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.39ms. Allocated memory is still 144.7MB. Free memory was 93.1MB in the beginning and 90.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.75ms. Allocated memory is still 144.7MB. Free memory was 90.1MB in the beginning and 86.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 575.07ms. Allocated memory is still 144.7MB. Free memory was 86.4MB in the beginning and 68.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4403.55ms. Allocated memory was 144.7MB in the beginning and 205.5MB in the end (delta: 60.8MB). Free memory was 68.6MB in the beginning and 70.5MB in the end (delta: -2.0MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. * Witness Printer took 7.70ms. Allocated memory is still 205.5MB. Free memory is still 70.5MB. 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 90, overapproximation of someUnaryDOUBLEoperation at line 31, overapproximation of someBinaryArithmeticDOUBLEoperation at line 52. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 5; [L24] unsigned char var_1_3 = 4; [L25] signed long int var_1_4 = -256; [L26] unsigned char var_1_5 = 0; [L27] unsigned char var_1_6 = 1; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 0; [L30] double var_1_9 = 9.5; [L31] double var_1_10 = -0.4; [L32] double var_1_11 = 31.5; [L33] double var_1_12 = 16.25; [L34] double var_1_13 = 127.5; [L35] double var_1_14 = 100000.5; VAL [isInitial=0, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_2=5, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] FCALL updateLastVariables() [L98] CALL updateVariables() [L56] var_1_2 = __VERIFIER_nondet_uchar() [L57] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L57] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L58] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L58] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L59] var_1_3 = __VERIFIER_nondet_uchar() [L60] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L60] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L61] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L61] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L62] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L62] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L63] var_1_4 = __VERIFIER_nondet_long() [L64] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L64] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L65] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L65] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L66] var_1_5 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L67] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L68] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L68] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L69] var_1_6 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L70] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L71] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L71] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L72] var_1_7 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_8=0, var_1_9=19/2] [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_8=0, var_1_9=19/2] [L74] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L74] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L75] var_1_8 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_9=19/2] [L76] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_9=19/2] [L77] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L77] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L78] var_1_10 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L79] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L80] var_1_12 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L81] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=63/2, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L82] var_1_13 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L83] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=63/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L84] var_1_14 = __VERIFIER_nondet_double() [L85] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L85] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=63/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L98] RET updateVariables() [L99] CALL step() [L39] COND TRUE (var_1_2 / var_1_3) >= var_1_4 [L40] var_1_1 = (var_1_5 && var_1_6) VAL [isInitial=1, var_1_11=63/2, var_1_1=1, var_1_2=-251, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L44] unsigned char stepLocal_0 = (var_1_6 && var_1_8) || (var_1_2 >= 5); VAL [isInitial=1, stepLocal_0=1, var_1_11=63/2, var_1_1=1, var_1_2=-251, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=19/2] [L45] COND TRUE stepLocal_0 && (var_1_3 < var_1_4) [L46] var_1_9 = var_1_10 VAL [isInitial=1, var_1_10=2, var_1_11=63/2, var_1_1=1, var_1_2=-251, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=2] [L50] unsigned char stepLocal_1 = var_1_6; VAL [isInitial=1, stepLocal_1=-255, var_1_10=2, var_1_11=63/2, var_1_1=1, var_1_2=-251, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=2] [L51] COND TRUE (((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) > ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2)))) || stepLocal_1 [L52] var_1_11 = (((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))) + var_1_14) VAL [isInitial=1, var_1_10=2, var_1_1=1, var_1_2=-251, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=2] [L99] RET step() [L100] CALL, EXPR property() [L90-L91] return ((((var_1_2 / var_1_3) >= var_1_4) ? (var_1_1 == ((unsigned char) (var_1_5 && var_1_6))) : (var_1_1 == ((unsigned char) ((var_1_3 >= var_1_2) && (var_1_7 || var_1_8))))) && ((((var_1_6 && var_1_8) || (var_1_2 >= 5)) && (var_1_3 < var_1_4)) ? (var_1_9 == ((double) var_1_10)) : (var_1_9 == ((double) var_1_10)))) && (((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) > ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2)))) || var_1_6) ? (var_1_11 == ((double) (((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))) + var_1_14))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=2, var_1_1=1, var_1_2=-251, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=2] [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2, var_1_1=1, var_1_2=-251, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [isInitial=1, var_1_10=2, var_1_1=1, var_1_2=-251, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 208 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 93 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 143 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 115 mSDtfsCounter, 143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 344 GetRequests, 332 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 600 NumberOfCodeBlocks, 600 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 476 ConstructedInterpolants, 0 QuantifiedInterpolants, 938 SizeOfPredicates, 1 NumberOfNonLiveVariables, 264 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2655/2736 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:13:44,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef5db925f2e8ec3d5648f64b513836d0bb3bb3fe326dda100ad59242c7d9ff1f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:13:47,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:13:47,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:13:47,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:13:47,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:13:47,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:13:47,223 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:13:47,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:13:47,224 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:13:47,225 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:13:47,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:13:47,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:13:47,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:13:47,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:13:47,227 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:13:47,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:13:47,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:13:47,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:13:47,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:13:47,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:13:47,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:13:47,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:13:47,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:13:47,236 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:13:47,237 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:13:47,237 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:13:47,237 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:13:47,237 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:13:47,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:13:47,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:13:47,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:13:47,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:13:47,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:13:47,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:13:47,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:13:47,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:13:47,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:13:47,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:13:47,241 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:13:47,241 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:13:47,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:13:47,242 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:13:47,242 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:13:47,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:13:47,242 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_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef5db925f2e8ec3d5648f64b513836d0bb3bb3fe326dda100ad59242c7d9ff1f [2024-11-08 17:13:47,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:13:47,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:13:47,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:13:47,778 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:13:47,779 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:13:47,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-89.i Unable to find full path for "g++" [2024-11-08 17:13:50,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:13:50,427 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:13:50,429 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-89.i [2024-11-08 17:13:50,441 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/data/a463c8f2a/d5cd6837b29d4579a1bbb60c44996a74/FLAGf94abb095 [2024-11-08 17:13:50,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/data/a463c8f2a/d5cd6837b29d4579a1bbb60c44996a74 [2024-11-08 17:13:50,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:13:50,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:13:50,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:13:50,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:13:50,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:13:50,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:13:50" (1/1) ... [2024-11-08 17:13:50,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7271f15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:50, skipping insertion in model container [2024-11-08 17:13:50,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:13:50" (1/1) ... [2024-11-08 17:13:50,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:13:50,784 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-89.i[915,928] [2024-11-08 17:13:50,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:13:50,867 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:13:50,884 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-89.i[915,928] [2024-11-08 17:13:50,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:13:50,961 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:13:50,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:50 WrapperNode [2024-11-08 17:13:50,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:13:50,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:13:50,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:13:50,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:13:50,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:50" (1/1) ... [2024-11-08 17:13:50,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:50" (1/1) ... [2024-11-08 17:13:51,037 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 109 [2024-11-08 17:13:51,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:13:51,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:13:51,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:13:51,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:13:51,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:50" (1/1) ... [2024-11-08 17:13:51,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:50" (1/1) ... [2024-11-08 17:13:51,064 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:50" (1/1) ... [2024-11-08 17:13:51,087 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:13:51,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:50" (1/1) ... [2024-11-08 17:13:51,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:50" (1/1) ... [2024-11-08 17:13:51,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:50" (1/1) ... [2024-11-08 17:13:51,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:50" (1/1) ... [2024-11-08 17:13:51,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:50" (1/1) ... [2024-11-08 17:13:51,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:50" (1/1) ... [2024-11-08 17:13:51,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:13:51,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:13:51,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:13:51,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:13:51,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:50" (1/1) ... [2024-11-08 17:13:51,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:13:51,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:13:51,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:13:51,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:13:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:13:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:13:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:13:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:13:51,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:13:51,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:13:51,322 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:13:51,325 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:13:52,121 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 17:13:52,122 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:13:52,142 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:13:52,142 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:13:52,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:13:52 BoogieIcfgContainer [2024-11-08 17:13:52,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:13:52,148 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:13:52,148 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:13:52,153 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:13:52,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:13:50" (1/3) ... [2024-11-08 17:13:52,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457a46b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:13:52, skipping insertion in model container [2024-11-08 17:13:52,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:13:50" (2/3) ... [2024-11-08 17:13:52,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457a46b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:13:52, skipping insertion in model container [2024-11-08 17:13:52,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:13:52" (3/3) ... [2024-11-08 17:13:52,158 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-89.i [2024-11-08 17:13:52,174 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:13:52,175 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:13:52,245 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:13:52,254 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;@78f2940b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:13:52,255 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:13:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 17:13:52,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-08 17:13:52,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:13:52,281 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:13:52,282 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:13:52,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:13:52,290 INFO L85 PathProgramCache]: Analyzing trace with hash -2088839932, now seen corresponding path program 1 times [2024-11-08 17:13:52,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:13:52,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128120276] [2024-11-08 17:13:52,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:13:52,335 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:13:52,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:13:52,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:13:52,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 17:13:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:52,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:13:52,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:13:52,825 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-08 17:13:52,826 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:13:52,827 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:13:52,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128120276] [2024-11-08 17:13:52,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128120276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:13:52,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:13:52,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:13:52,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430397644] [2024-11-08 17:13:52,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:13:52,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:13:52,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:13:52,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:13:52,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:13:52,873 INFO L87 Difference]: Start difference. First operand has 54 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 17:13:52,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:13:52,918 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-08 17:13:52,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:13:52,921 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2024-11-08 17:13:52,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:13:52,929 INFO L225 Difference]: With dead ends: 101 [2024-11-08 17:13:52,929 INFO L226 Difference]: Without dead ends: 50 [2024-11-08 17:13:52,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:13:52,938 INFO L432 NwaCegarLoop]: 71 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, 71 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:13:52,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:13:52,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-08 17:13:52,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-08 17:13:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 17:13:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2024-11-08 17:13:53,000 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 120 [2024-11-08 17:13:53,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:13:53,001 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2024-11-08 17:13:53,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 17:13:53,002 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-11-08 17:13:53,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-08 17:13:53,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:13:53,011 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:13:53,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 17:13:53,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:13:53,213 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:13:53,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:13:53,215 INFO L85 PathProgramCache]: Analyzing trace with hash 360597514, now seen corresponding path program 1 times [2024-11-08 17:13:53,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:13:53,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895616531] [2024-11-08 17:13:53,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:13:53,217 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:13:53,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:13:53,221 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:13:53,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 17:13:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:53,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 17:13:53,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:13:54,467 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 371 proven. 48 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-08 17:13:54,467 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:13:54,962 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 27 proven. 27 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-08 17:13:54,962 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:13:54,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1895616531] [2024-11-08 17:13:54,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1895616531] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:13:54,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:13:54,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-11-08 17:13:54,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594698869] [2024-11-08 17:13:54,964 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:13:54,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:13:54,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:13:54,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:13:54,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:13:54,968 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-08 17:13:56,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:13:56,857 INFO L93 Difference]: Finished difference Result 107 states and 147 transitions. [2024-11-08 17:13:56,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:13:56,874 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 120 [2024-11-08 17:13:56,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:13:56,877 INFO L225 Difference]: With dead ends: 107 [2024-11-08 17:13:56,878 INFO L226 Difference]: Without dead ends: 60 [2024-11-08 17:13:56,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 227 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-08 17:13:56,880 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 45 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:13:56,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 204 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 17:13:56,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-08 17:13:56,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2024-11-08 17:13:56,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 35 states have internal predecessors, (38), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 17:13:56,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 76 transitions. [2024-11-08 17:13:56,916 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 76 transitions. Word has length 120 [2024-11-08 17:13:56,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:13:56,918 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 76 transitions. [2024-11-08 17:13:56,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-08 17:13:56,921 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2024-11-08 17:13:56,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-08 17:13:56,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:13:56,926 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:13:56,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-08 17:13:57,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:13:57,128 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:13:57,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:13:57,129 INFO L85 PathProgramCache]: Analyzing trace with hash 358750472, now seen corresponding path program 1 times [2024-11-08 17:13:57,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:13:57,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47656810] [2024-11-08 17:13:57,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:13:57,131 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:13:57,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:13:57,133 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:13:57,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 17:13:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:57,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 17:13:57,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:15:04,807 WARN L286 SmtUtils]: Spent 24.07s on a formula simplification that was a NOOP. DAG size: 85 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:18:14,186 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:18:54,108 WARN L286 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:19:02,196 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:19:35,195 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:19:43,267 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:20:10,758 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:20:23,724 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:21:09,722 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:21:29,096 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:21:34,348 WARN L286 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:22:06,143 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:22:24,315 WARN L286 SmtUtils]: Spent 6.54s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:22:31,447 WARN L286 SmtUtils]: Spent 6.89s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:22:38,894 WARN L286 SmtUtils]: Spent 7.45s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:22:45,818 WARN L286 SmtUtils]: Spent 6.92s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:23:19,921 WARN L286 SmtUtils]: Spent 6.84s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:24:23,799 WARN L286 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:24:29,164 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:24:41,948 WARN L286 SmtUtils]: Spent 5.73s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:25:00,947 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-08 17:25:00,947 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:25:00,948 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:25:00,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [47656810] [2024-11-08 17:25:00,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [47656810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:25:00,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:25:00,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-08 17:25:00,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350756582] [2024-11-08 17:25:00,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:25:00,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-08 17:25:00,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:25:00,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-08 17:25:00,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2024-11-08 17:25:00,952 INFO L87 Difference]: Start difference. First operand 58 states and 76 transitions. Second operand has 20 states, 20 states have (on average 2.0) internal successors, (40), 19 states have internal predecessors, (40), 4 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-08 17:25:10,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:25:54,491 WARN L286 SmtUtils]: Spent 37.29s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:26:40,618 WARN L286 SmtUtils]: Spent 38.85s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:26:44,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:26:44,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:44,873 INFO L93 Difference]: Finished difference Result 90 states and 105 transitions. [2024-11-08 17:26:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 17:26:44,934 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.0) internal successors, (40), 19 states have internal predecessors, (40), 4 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) Word has length 120 [2024-11-08 17:26:44,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:44,937 INFO L225 Difference]: With dead ends: 90 [2024-11-08 17:26:44,937 INFO L226 Difference]: Without dead ends: 88 [2024-11-08 17:26:44,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 118.4s TimeCoverageRelationStatistics Valid=158, Invalid=442, Unknown=0, NotChecked=0, Total=600 [2024-11-08 17:26:44,940 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 63 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:44,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 267 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 19.0s Time] [2024-11-08 17:26:44,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-08 17:26:44,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 81. [2024-11-08 17:26:44,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 54 states have (on average 1.0740740740740742) internal successors, (58), 54 states have internal predecessors, (58), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 17:26:44,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 96 transitions. [2024-11-08 17:26:44,978 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 96 transitions. Word has length 120 [2024-11-08 17:26:44,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:44,980 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 96 transitions. [2024-11-08 17:26:44,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.0) internal successors, (40), 19 states have internal predecessors, (40), 4 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-08 17:26:44,982 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2024-11-08 17:26:44,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-08 17:26:44,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:44,987 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:44,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-08 17:26:45,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:26:45,189 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:26:45,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:45,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1038808842, now seen corresponding path program 1 times [2024-11-08 17:26:45,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:26:45,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704351657] [2024-11-08 17:26:45,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:45,191 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:26:45,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:26:45,196 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:26:45,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1dc6f6-8107-47da-beea-dca02a07fb81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-08 17:26:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:45,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 17:26:45,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:28:22,163 WARN L286 SmtUtils]: Spent 35.57s on a formula simplification that was a NOOP. DAG size: 90 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)