./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-78.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1 --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 c60f372b7dc1b4532187e57acf518ccbf786ab918ffb900907557784c73c0567 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:20:21,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:20:21,391 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:20:21,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:20:21,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:20:21,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:20:21,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:20:21,421 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:20:21,421 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:20:21,421 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:20:21,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:20:21,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:20:21,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:20:21,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:20:21,422 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:20:21,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:20:21,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:20:21,422 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:20:21,422 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:20:21,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:20:21,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:20:21,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:20:21,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:20:21,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:20:21,423 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:20:21,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:20:21,423 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:20:21,423 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:20:21,423 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:20:21,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:20:21,423 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:20:21,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:20:21,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:20:21,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:20:21,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:20:21,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:20:21,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:20:21,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:20:21,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:20:21,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:20:21,424 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:20:21,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:20:21,424 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:20:21,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:20:21,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:20:21,425 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:20:21,425 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:20:21,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:20:21,425 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1 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 -> c60f372b7dc1b4532187e57acf518ccbf786ab918ffb900907557784c73c0567 [2024-12-02 15:20:21,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:20:21,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:20:21,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:20:21,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:20:21,676 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:20:21,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-78.i [2024-12-02 15:20:24,310 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/data/73dd5af23/984f59a7fa0f47b0af77887ba208eac0/FLAG9bf06b641 [2024-12-02 15:20:24,516 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:20:24,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-78.i [2024-12-02 15:20:24,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/data/73dd5af23/984f59a7fa0f47b0af77887ba208eac0/FLAG9bf06b641 [2024-12-02 15:20:24,538 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/data/73dd5af23/984f59a7fa0f47b0af77887ba208eac0 [2024-12-02 15:20:24,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:20:24,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:20:24,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:20:24,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:20:24,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:20:24,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:20:24" (1/1) ... [2024-12-02 15:20:24,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f80889c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:24, skipping insertion in model container [2024-12-02 15:20:24,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:20:24" (1/1) ... [2024-12-02 15:20:24,563 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:20:24,669 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_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-78.i[915,928] [2024-12-02 15:20:24,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:20:24,742 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:20:24,749 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_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-78.i[915,928] [2024-12-02 15:20:24,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:20:24,794 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:20:24,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:24 WrapperNode [2024-12-02 15:20:24,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:20:24,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:20:24,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:20:24,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:20:24,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:24" (1/1) ... [2024-12-02 15:20:24,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:24" (1/1) ... [2024-12-02 15:20:24,854 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2024-12-02 15:20:24,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:20:24,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:20:24,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:20:24,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:20:24,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:24" (1/1) ... [2024-12-02 15:20:24,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:24" (1/1) ... [2024-12-02 15:20:24,867 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:24" (1/1) ... [2024-12-02 15:20:24,889 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]. [2024-12-02 15:20:24,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:24" (1/1) ... [2024-12-02 15:20:24,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:24" (1/1) ... [2024-12-02 15:20:24,901 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:24" (1/1) ... [2024-12-02 15:20:24,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:24" (1/1) ... [2024-12-02 15:20:24,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:24" (1/1) ... [2024-12-02 15:20:24,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:24" (1/1) ... [2024-12-02 15:20:24,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:24" (1/1) ... [2024-12-02 15:20:24,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:20:24,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:20:24,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:20:24,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:20:24,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:24" (1/1) ... [2024-12-02 15:20:24,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:20:24,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:20:24,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:20:24,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:20:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:20:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:20:24,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:20:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:20:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:20:24,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:20:25,029 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:20:25,030 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:20:25,395 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-02 15:20:25,395 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:20:25,405 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:20:25,405 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:20:25,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:25 BoogieIcfgContainer [2024-12-02 15:20:25,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:20:25,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:20:25,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:20:25,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:20:25,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:20:24" (1/3) ... [2024-12-02 15:20:25,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d64810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:20:25, skipping insertion in model container [2024-12-02 15:20:25,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:24" (2/3) ... [2024-12-02 15:20:25,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d64810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:20:25, skipping insertion in model container [2024-12-02 15:20:25,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:25" (3/3) ... [2024-12-02 15:20:25,415 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-78.i [2024-12-02 15:20:25,430 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:20:25,432 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-78.i that has 2 procedures, 78 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:20:25,485 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:20:25,496 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;@11bd5abc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:20:25,496 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:20:25,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 58 states have internal predecessors, (81), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:20:25,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 15:20:25,509 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:25,510 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:20:25,510 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:25,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:25,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1653905180, now seen corresponding path program 1 times [2024-12-02 15:20:25,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:20:25,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005177642] [2024-12-02 15:20:25,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:25,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:20:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:20:25,753 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 15:20:25,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:20:25,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005177642] [2024-12-02 15:20:25,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005177642] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:20:25,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49508861] [2024-12-02 15:20:25,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:25,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:20:25,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:20:25,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:20:25,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:20:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:20:25,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:20:25,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:20:25,917 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 15:20:25,917 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:20:25,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49508861] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:20:25,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:20:25,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:20:25,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478510195] [2024-12-02 15:20:25,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:20:25,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:20:25,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:20:25,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:20:25,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:20:25,940 INFO L87 Difference]: Start difference. First operand has 78 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 58 states have internal predecessors, (81), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:20:25,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:20:25,962 INFO L93 Difference]: Finished difference Result 149 states and 246 transitions. [2024-12-02 15:20:25,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:20:25,964 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 124 [2024-12-02 15:20:25,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:20:25,970 INFO L225 Difference]: With dead ends: 149 [2024-12-02 15:20:25,970 INFO L226 Difference]: Without dead ends: 74 [2024-12-02 15:20:25,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:20:25,976 INFO L435 NwaCegarLoop]: 110 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, 110 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 [2024-12-02 15:20:25,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:20:25,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-12-02 15:20:26,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-12-02 15:20:26,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:20:26,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 110 transitions. [2024-12-02 15:20:26,013 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 110 transitions. Word has length 124 [2024-12-02 15:20:26,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:20:26,013 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 110 transitions. [2024-12-02 15:20:26,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:20:26,014 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 110 transitions. [2024-12-02 15:20:26,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 15:20:26,016 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:26,016 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:20:26,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:20:26,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:20:26,217 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:26,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:26,218 INFO L85 PathProgramCache]: Analyzing trace with hash -293210384, now seen corresponding path program 1 times [2024-12-02 15:20:26,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:20:26,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350364403] [2024-12-02 15:20:26,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:26,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:20:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:20:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:20:26,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:20:26,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350364403] [2024-12-02 15:20:26,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350364403] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:20:26,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:20:26,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:20:26,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561679372] [2024-12-02 15:20:26,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:20:26,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:20:26,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:20:26,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:20:26,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:20:26,492 INFO L87 Difference]: Start difference. First operand 74 states and 110 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:26,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:20:26,523 INFO L93 Difference]: Finished difference Result 145 states and 217 transitions. [2024-12-02 15:20:26,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:20:26,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 124 [2024-12-02 15:20:26,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:20:26,526 INFO L225 Difference]: With dead ends: 145 [2024-12-02 15:20:26,526 INFO L226 Difference]: Without dead ends: 74 [2024-12-02 15:20:26,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:20:26,527 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:20:26,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 313 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:20:26,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-12-02 15:20:26,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-12-02 15:20:26,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 54 states have internal predecessors, (73), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:20:26,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 109 transitions. [2024-12-02 15:20:26,534 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 109 transitions. Word has length 124 [2024-12-02 15:20:26,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:20:26,535 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 109 transitions. [2024-12-02 15:20:26,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:26,536 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2024-12-02 15:20:26,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 15:20:26,537 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:26,537 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:20:26,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:20:26,537 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:26,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:26,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1467361045, now seen corresponding path program 1 times [2024-12-02 15:20:26,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:20:26,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942153213] [2024-12-02 15:20:26,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:26,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:20:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:20:26,900 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:20:26,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:20:26,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942153213] [2024-12-02 15:20:26,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942153213] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:20:26,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:20:26,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:20:26,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483708455] [2024-12-02 15:20:26,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:20:26,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:20:26,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:20:26,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:20:26,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:20:26,903 INFO L87 Difference]: Start difference. First operand 74 states and 109 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:27,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:20:27,062 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2024-12-02 15:20:27,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:20:27,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 125 [2024-12-02 15:20:27,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:20:27,065 INFO L225 Difference]: With dead ends: 174 [2024-12-02 15:20:27,065 INFO L226 Difference]: Without dead ends: 103 [2024-12-02 15:20:27,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:20:27,066 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 36 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:20:27,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 510 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:20:27,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-12-02 15:20:27,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 84. [2024-12-02 15:20:27,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 64 states have (on average 1.390625) internal successors, (89), 64 states have internal predecessors, (89), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:20:27,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 125 transitions. [2024-12-02 15:20:27,076 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 125 transitions. Word has length 125 [2024-12-02 15:20:27,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:20:27,077 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 125 transitions. [2024-12-02 15:20:27,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:27,077 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 125 transitions. [2024-12-02 15:20:27,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 15:20:27,079 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:27,079 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:20:27,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:20:27,080 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:27,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:27,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1816489001, now seen corresponding path program 1 times [2024-12-02 15:20:27,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:20:27,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311641720] [2024-12-02 15:20:27,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:27,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:20:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:20:27,245 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:20:27,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:20:27,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311641720] [2024-12-02 15:20:27,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311641720] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:20:27,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:20:27,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:20:27,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572098284] [2024-12-02 15:20:27,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:20:27,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:20:27,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:20:27,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:20:27,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:20:27,248 INFO L87 Difference]: Start difference. First operand 84 states and 125 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:27,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:20:27,403 INFO L93 Difference]: Finished difference Result 247 states and 370 transitions. [2024-12-02 15:20:27,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:20:27,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 125 [2024-12-02 15:20:27,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:20:27,406 INFO L225 Difference]: With dead ends: 247 [2024-12-02 15:20:27,406 INFO L226 Difference]: Without dead ends: 166 [2024-12-02 15:20:27,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:20:27,407 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 83 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:20:27,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 284 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:20:27,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-12-02 15:20:27,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 149. [2024-12-02 15:20:27,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 110 states have (on average 1.3818181818181818) internal successors, (152), 110 states have internal predecessors, (152), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:20:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 224 transitions. [2024-12-02 15:20:27,426 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 224 transitions. Word has length 125 [2024-12-02 15:20:27,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:20:27,427 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 224 transitions. [2024-12-02 15:20:27,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 224 transitions. [2024-12-02 15:20:27,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 15:20:27,429 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:27,429 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:20:27,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:20:27,429 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:27,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:27,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1522433306, now seen corresponding path program 1 times [2024-12-02 15:20:27,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:20:27,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478012535] [2024-12-02 15:20:27,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:27,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:20:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:20:27,587 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:20:27,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:20:27,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478012535] [2024-12-02 15:20:27,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478012535] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:20:27,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:20:27,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:20:27,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327049170] [2024-12-02 15:20:27,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:20:27,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:20:27,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:20:27,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:20:27,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:20:27,590 INFO L87 Difference]: Start difference. First operand 149 states and 224 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:27,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:20:27,770 INFO L93 Difference]: Finished difference Result 364 states and 544 transitions. [2024-12-02 15:20:27,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:20:27,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 126 [2024-12-02 15:20:27,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:20:27,773 INFO L225 Difference]: With dead ends: 364 [2024-12-02 15:20:27,773 INFO L226 Difference]: Without dead ends: 257 [2024-12-02 15:20:27,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:20:27,775 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 123 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:20:27,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 311 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:20:27,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-12-02 15:20:27,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 239. [2024-12-02 15:20:27,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 181 states have (on average 1.3701657458563536) internal successors, (248), 181 states have internal predecessors, (248), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 15:20:27,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 356 transitions. [2024-12-02 15:20:27,805 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 356 transitions. Word has length 126 [2024-12-02 15:20:27,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:20:27,805 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 356 transitions. [2024-12-02 15:20:27,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:27,806 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 356 transitions. [2024-12-02 15:20:27,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 15:20:27,807 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:27,807 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:20:27,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:20:27,807 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:27,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:27,808 INFO L85 PathProgramCache]: Analyzing trace with hash -924033412, now seen corresponding path program 1 times [2024-12-02 15:20:27,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:20:27,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652818308] [2024-12-02 15:20:27,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:27,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:20:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:20:28,087 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:20:28,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:20:28,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652818308] [2024-12-02 15:20:28,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652818308] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:20:28,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:20:28,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:20:28,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267203382] [2024-12-02 15:20:28,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:20:28,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:20:28,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:20:28,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:20:28,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:20:28,089 INFO L87 Difference]: Start difference. First operand 239 states and 356 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:28,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:20:28,427 INFO L93 Difference]: Finished difference Result 681 states and 1007 transitions. [2024-12-02 15:20:28,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:20:28,428 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 127 [2024-12-02 15:20:28,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:20:28,431 INFO L225 Difference]: With dead ends: 681 [2024-12-02 15:20:28,431 INFO L226 Difference]: Without dead ends: 503 [2024-12-02 15:20:28,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:20:28,433 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 266 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:20:28,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 765 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:20:28,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-12-02 15:20:28,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 437. [2024-12-02 15:20:28,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 341 states have (on average 1.3870967741935485) internal successors, (473), 341 states have internal predecessors, (473), 90 states have call successors, (90), 5 states have call predecessors, (90), 5 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2024-12-02 15:20:28,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 653 transitions. [2024-12-02 15:20:28,485 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 653 transitions. Word has length 127 [2024-12-02 15:20:28,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:20:28,486 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 653 transitions. [2024-12-02 15:20:28,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:28,486 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 653 transitions. [2024-12-02 15:20:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 15:20:28,487 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:28,487 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:20:28,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:20:28,488 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:28,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:28,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1317060422, now seen corresponding path program 1 times [2024-12-02 15:20:28,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:20:28,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738543080] [2024-12-02 15:20:28,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:28,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:20:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:20:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:20:28,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:20:28,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738543080] [2024-12-02 15:20:28,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738543080] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:20:28,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:20:28,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:20:28,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566441736] [2024-12-02 15:20:28,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:20:28,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:20:28,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:20:28,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:20:28,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:20:28,769 INFO L87 Difference]: Start difference. First operand 437 states and 653 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:29,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:20:29,004 INFO L93 Difference]: Finished difference Result 894 states and 1327 transitions. [2024-12-02 15:20:29,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:20:29,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 127 [2024-12-02 15:20:29,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:20:29,007 INFO L225 Difference]: With dead ends: 894 [2024-12-02 15:20:29,007 INFO L226 Difference]: Without dead ends: 499 [2024-12-02 15:20:29,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:20:29,009 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 75 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:20:29,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 284 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:20:29,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-12-02 15:20:29,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 445. [2024-12-02 15:20:29,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 349 states have (on average 1.3753581661891117) internal successors, (480), 349 states have internal predecessors, (480), 90 states have call successors, (90), 5 states have call predecessors, (90), 5 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2024-12-02 15:20:29,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 660 transitions. [2024-12-02 15:20:29,057 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 660 transitions. Word has length 127 [2024-12-02 15:20:29,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:20:29,057 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 660 transitions. [2024-12-02 15:20:29,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:29,057 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 660 transitions. [2024-12-02 15:20:29,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 15:20:29,059 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:29,059 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:20:29,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:20:29,059 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:29,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:29,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1815018791, now seen corresponding path program 1 times [2024-12-02 15:20:29,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:20:29,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761176653] [2024-12-02 15:20:29,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:29,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:20:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:20:29,384 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:20:29,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:20:29,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761176653] [2024-12-02 15:20:29,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761176653] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:20:29,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:20:29,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:20:29,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544074045] [2024-12-02 15:20:29,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:20:29,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:20:29,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:20:29,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:20:29,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:20:29,385 INFO L87 Difference]: Start difference. First operand 445 states and 660 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:29,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:20:29,661 INFO L93 Difference]: Finished difference Result 1034 states and 1520 transitions. [2024-12-02 15:20:29,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:20:29,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 128 [2024-12-02 15:20:29,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:20:29,666 INFO L225 Difference]: With dead ends: 1034 [2024-12-02 15:20:29,666 INFO L226 Difference]: Without dead ends: 663 [2024-12-02 15:20:29,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:20:29,667 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 117 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:20:29,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 443 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:20:29,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-12-02 15:20:29,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 577. [2024-12-02 15:20:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 443 states have (on average 1.3318284424379232) internal successors, (590), 443 states have internal predecessors, (590), 126 states have call successors, (126), 7 states have call predecessors, (126), 7 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-12-02 15:20:29,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 842 transitions. [2024-12-02 15:20:29,749 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 842 transitions. Word has length 128 [2024-12-02 15:20:29,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:20:29,749 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 842 transitions. [2024-12-02 15:20:29,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:29,750 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 842 transitions. [2024-12-02 15:20:29,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 15:20:29,751 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:29,751 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:20:29,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:20:29,752 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:29,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:29,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1476792128, now seen corresponding path program 1 times [2024-12-02 15:20:29,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:20:29,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707707417] [2024-12-02 15:20:29,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:29,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:20:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 15:20:29,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1207504559] [2024-12-02 15:20:29,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:29,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:20:29,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:20:29,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:20:29,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:20:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:20:30,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:20:30,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:20:30,598 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:20:30,598 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:20:30,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:20:30,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707707417] [2024-12-02 15:20:30,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 15:20:30,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207504559] [2024-12-02 15:20:30,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207504559] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:20:30,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:20:30,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:20:30,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019991557] [2024-12-02 15:20:30,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:20:30,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:20:30,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:20:30,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:20:30,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:20:30,600 INFO L87 Difference]: Start difference. First operand 577 states and 842 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:30,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:20:30,930 INFO L93 Difference]: Finished difference Result 1340 states and 1951 transitions. [2024-12-02 15:20:30,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:20:30,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 133 [2024-12-02 15:20:30,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:20:30,936 INFO L225 Difference]: With dead ends: 1340 [2024-12-02 15:20:30,936 INFO L226 Difference]: Without dead ends: 989 [2024-12-02 15:20:30,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:20:30,938 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 97 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:20:30,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 315 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:20:30,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2024-12-02 15:20:31,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 981. [2024-12-02 15:20:31,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 758 states have (on average 1.3298153034300793) internal successors, (1008), 762 states have internal predecessors, (1008), 206 states have call successors, (206), 16 states have call predecessors, (206), 16 states have return successors, (206), 202 states have call predecessors, (206), 206 states have call successors, (206) [2024-12-02 15:20:31,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1420 transitions. [2024-12-02 15:20:31,051 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1420 transitions. Word has length 133 [2024-12-02 15:20:31,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:20:31,051 INFO L471 AbstractCegarLoop]: Abstraction has 981 states and 1420 transitions. [2024-12-02 15:20:31,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:31,052 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1420 transitions. [2024-12-02 15:20:31,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 15:20:31,053 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:31,053 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:20:31,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:20:31,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:20:31,254 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:31,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:31,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1115609664, now seen corresponding path program 1 times [2024-12-02 15:20:31,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:20:31,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726298029] [2024-12-02 15:20:31,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:31,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:20:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:20:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:20:31,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:20:31,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726298029] [2024-12-02 15:20:31,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726298029] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:20:31,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:20:31,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:20:31,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360170950] [2024-12-02 15:20:31,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:20:31,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:20:31,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:20:31,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:20:31,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:20:31,457 INFO L87 Difference]: Start difference. First operand 981 states and 1420 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:31,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:20:31,589 INFO L93 Difference]: Finished difference Result 1691 states and 2472 transitions. [2024-12-02 15:20:31,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:20:31,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 133 [2024-12-02 15:20:31,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:20:31,598 INFO L225 Difference]: With dead ends: 1691 [2024-12-02 15:20:31,598 INFO L226 Difference]: Without dead ends: 1298 [2024-12-02 15:20:31,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:20:31,600 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 69 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:20:31,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 327 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:20:31,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1298 states. [2024-12-02 15:20:31,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1298 to 984. [2024-12-02 15:20:31,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 761 states have (on average 1.328515111695138) internal successors, (1011), 765 states have internal predecessors, (1011), 206 states have call successors, (206), 16 states have call predecessors, (206), 16 states have return successors, (206), 202 states have call predecessors, (206), 206 states have call successors, (206) [2024-12-02 15:20:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1423 transitions. [2024-12-02 15:20:31,713 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1423 transitions. Word has length 133 [2024-12-02 15:20:31,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:20:31,714 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1423 transitions. [2024-12-02 15:20:31,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:31,714 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1423 transitions. [2024-12-02 15:20:31,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 15:20:31,716 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:31,716 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:20:31,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:20:31,716 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:31,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:31,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1899493954, now seen corresponding path program 1 times [2024-12-02 15:20:31,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:20:31,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265666775] [2024-12-02 15:20:31,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:31,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:20:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 15:20:31,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [166694746] [2024-12-02 15:20:31,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:31,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:20:31,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:20:31,793 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:20:31,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:20:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:20:32,090 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:20:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:20:32,220 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:20:32,220 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:20:32,221 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:20:32,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 15:20:32,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:20:32,426 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:20:32,499 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:20:32,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:20:32 BoogieIcfgContainer [2024-12-02 15:20:32,502 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:20:32,503 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:20:32,503 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:20:32,503 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:20:32,503 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:25" (3/4) ... [2024-12-02 15:20:32,505 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:20:32,506 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:20:32,507 INFO L158 Benchmark]: Toolchain (without parser) took 7965.12ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 118.0MB in the beginning and 392.2MB in the end (delta: -274.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-12-02 15:20:32,507 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:20:32,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.65ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 102.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:20:32,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.73ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 95.9MB in the end (delta: 6.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:20:32,508 INFO L158 Benchmark]: Boogie Preprocessor took 63.15ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 85.0MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:20:32,508 INFO L158 Benchmark]: RCFGBuilder took 486.50ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 106.2MB in the end (delta: -21.2MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-12-02 15:20:32,508 INFO L158 Benchmark]: TraceAbstraction took 7094.62ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 105.7MB in the beginning and 392.2MB in the end (delta: -286.5MB). Peak memory consumption was 239.5MB. Max. memory is 16.1GB. [2024-12-02 15:20:32,508 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 427.8MB. Free memory was 392.2MB in the beginning and 392.2MB in the end (delta: 37.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:20:32,510 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.65ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 102.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.73ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 95.9MB in the end (delta: 6.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.15ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 85.0MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 486.50ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 106.2MB in the end (delta: -21.2MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7094.62ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 105.7MB in the beginning and 392.2MB in the end (delta: -286.5MB). Peak memory consumption was 239.5MB. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 427.8MB. Free memory was 392.2MB in the beginning and 392.2MB in the end (delta: 37.1kB). 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 someBinaryArithmeticDOUBLEoperation at line 64, overapproximation of bitwiseOr at line 49, overapproximation of bitwiseOr at line 119, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 119, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 98. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -4; [L23] unsigned char var_1_3 = 64; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_5 = 2; [L26] unsigned short int var_1_6 = 10; [L27] double var_1_8 = 1.875; [L28] signed long int var_1_9 = -4; [L29] double var_1_10 = 63.5; [L30] double var_1_11 = 255.375; [L31] double var_1_12 = 999999999.525; [L32] double var_1_13 = 63.75; [L33] double var_1_14 = 0.625; [L34] unsigned short int var_1_15 = 5; [L35] signed char var_1_16 = 4; [L36] signed char var_1_17 = 0; [L37] signed char var_1_18 = -2; [L38] signed char var_1_19 = 1; [L39] unsigned short int var_1_20 = 50; [L40] unsigned short int var_1_21 = 0; [L41] unsigned char last_1_var_1_3 = 64; [L42] unsigned short int last_1_var_1_6 = 10; [L43] unsigned short int last_1_var_1_15 = 5; [L44] unsigned short int last_1_var_1_20 = 50; [L45] unsigned short int last_1_var_1_21 = 0; VAL [isInitial=0, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L123] isInitial = 1 [L124] FCALL initially() [L126] CALL updateLastVariables() [L112] last_1_var_1_3 = var_1_3 [L113] last_1_var_1_6 = var_1_6 [L114] last_1_var_1_15 = var_1_15 [L115] last_1_var_1_20 = var_1_20 [L116] last_1_var_1_21 = var_1_21 VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L126] RET updateLastVariables() [L127] CALL updateVariables() [L81] var_1_4 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L82] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L83] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L83] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L84] var_1_5 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L85] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L86] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L86] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L87] var_1_9 = __VERIFIER_nondet_long() [L88] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L88] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L89] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L89] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L90] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L90] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L91] var_1_10 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L92] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L93] var_1_11 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L94] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L95] var_1_12 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L96] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L97] var_1_13 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L98] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L99] var_1_14 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L100] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L101] var_1_17 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L102] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L103] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L103] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L104] var_1_18 = __VERIFIER_nondet_char() [L105] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L105] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L106] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L106] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L107] var_1_19 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_19 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L108] RET assume_abort_if_not(var_1_19 >= -31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L109] CALL assume_abort_if_not(var_1_19 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L109] RET assume_abort_if_not(var_1_19 <= 31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L127] RET updateVariables() [L128] CALL step() [L49] EXPR last_1_var_1_20 ^ last_1_var_1_15 VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L49] signed long int stepLocal_2 = last_1_var_1_20 ^ last_1_var_1_15; [L50] unsigned char stepLocal_1 = var_1_5; VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_1=387, stepLocal_2=1, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L51] COND FALSE !(stepLocal_2 < -256) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_1=387, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L54] COND FALSE !(stepLocal_1 <= 50) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L58] var_1_20 = (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4))) [L59] signed long int stepLocal_0 = last_1_var_1_21; VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_0=0, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=141, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L60] COND FALSE !(last_1_var_1_6 < stepLocal_0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=141, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_8=15/8, var_1_9=66] [L63] COND TRUE var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9)))) [L64] var_1_8 = ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=141, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_9=66] [L70] var_1_16 = (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))))) [L71] var_1_1 = ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) [L72] unsigned short int stepLocal_3 = var_1_6; VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_3=10, var_1_15=5, var_1_16=1, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=1, var_1_20=141, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_9=66] [L73] EXPR (var_1_3 * var_1_17) & (var_1_1 * var_1_18) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_3=10, var_1_15=5, var_1_16=1, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=1, var_1_20=141, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_9=66] [L73] COND FALSE !(stepLocal_3 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) [L76] COND TRUE ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21 [L77] var_1_15 = ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=272, var_1_16=1, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=1, var_1_20=141, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_9=66] [L128] RET step() [L129] CALL, EXPR property() [L119] EXPR ((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1)) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=272, var_1_16=1, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=1, var_1_20=141, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_9=66] [L119] EXPR last_1_var_1_20 ^ last_1_var_1_15 VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=272, var_1_16=1, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=1, var_1_20=141, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_9=66] [L119] EXPR ((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1)) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=272, var_1_16=1, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=1, var_1_20=141, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_9=66] [L119] EXPR (((((((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1))) && ((var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=272, var_1_16=1, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=1, var_1_20=141, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_9=66] [L119-L120] return (((((((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1))) && ((var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) ; [L129] RET, EXPR property() [L129] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=272, var_1_16=1, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=1, var_1_20=141, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_9=66] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=272, var_1_16=1, var_1_17=0, var_1_18=-1, var_1_19=2, var_1_1=1, var_1_20=141, var_1_21=0, var_1_3=64, var_1_4=141, var_1_5=387, var_1_6=10, var_1_9=66] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 11, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 866 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 866 mSDsluCounter, 3662 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2498 mSDsCounter, 283 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 612 IncrementalHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 283 mSolverCounterUnsat, 1164 mSDtfsCounter, 612 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=984occurred in iteration=10, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 582 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1795 NumberOfCodeBlocks, 1795 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1385 ConstructedInterpolants, 0 QuantifiedInterpolants, 3539 SizeOfPredicates, 4 NumberOfNonLiveVariables, 635 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 6698/6732 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 15:20:32,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1 --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 c60f372b7dc1b4532187e57acf518ccbf786ab918ffb900907557784c73c0567 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:20:34,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:20:34,551 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:20:34,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:20:34,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:20:34,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:20:34,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:20:34,579 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:20:34,580 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:20:34,580 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:20:34,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:20:34,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:20:34,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:20:34,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:20:34,581 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:20:34,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:20:34,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:20:34,581 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:20:34,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:20:34,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:20:34,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:20:34,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:20:34,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:20:34,581 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:20:34,581 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:20:34,581 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:20:34,581 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:20:34,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:20:34,582 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:20:34,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:20:34,582 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:20:34,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:20:34,582 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:20:34,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:20:34,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:20:34,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:20:34,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:20:34,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:20:34,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:20:34,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:20:34,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:20:34,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:20:34,583 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:20:34,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:20:34,584 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:20:34,584 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:20:34,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:20:34,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:20:34,584 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:20:34,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:20:34,584 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1 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 -> c60f372b7dc1b4532187e57acf518ccbf786ab918ffb900907557784c73c0567 [2024-12-02 15:20:34,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:20:34,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:20:34,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:20:34,813 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:20:34,813 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:20:34,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-78.i [2024-12-02 15:20:37,408 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/data/e0bfe55cc/78cce73bdf194270abf017b58cd85484/FLAG819d0c7de [2024-12-02 15:20:37,642 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:20:37,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-78.i [2024-12-02 15:20:37,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/data/e0bfe55cc/78cce73bdf194270abf017b58cd85484/FLAG819d0c7de [2024-12-02 15:20:37,978 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/data/e0bfe55cc/78cce73bdf194270abf017b58cd85484 [2024-12-02 15:20:37,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:20:37,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:20:37,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:20:37,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:20:37,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:20:37,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:20:37" (1/1) ... [2024-12-02 15:20:37,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ee77fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:37, skipping insertion in model container [2024-12-02 15:20:37,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:20:37" (1/1) ... [2024-12-02 15:20:38,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:20:38,115 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_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-78.i[915,928] [2024-12-02 15:20:38,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:20:38,172 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:20:38,180 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_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-78.i[915,928] [2024-12-02 15:20:38,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:20:38,220 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:20:38,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:38 WrapperNode [2024-12-02 15:20:38,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:20:38,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:20:38,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:20:38,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:20:38,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:38" (1/1) ... [2024-12-02 15:20:38,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:38" (1/1) ... [2024-12-02 15:20:38,261 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2024-12-02 15:20:38,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:20:38,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:20:38,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:20:38,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:20:38,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:38" (1/1) ... [2024-12-02 15:20:38,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:38" (1/1) ... [2024-12-02 15:20:38,273 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:38" (1/1) ... [2024-12-02 15:20:38,283 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]. [2024-12-02 15:20:38,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:38" (1/1) ... [2024-12-02 15:20:38,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:38" (1/1) ... [2024-12-02 15:20:38,291 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:38" (1/1) ... [2024-12-02 15:20:38,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:38" (1/1) ... [2024-12-02 15:20:38,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:38" (1/1) ... [2024-12-02 15:20:38,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:38" (1/1) ... [2024-12-02 15:20:38,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:38" (1/1) ... [2024-12-02 15:20:38,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:20:38,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:20:38,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:20:38,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:20:38,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:38" (1/1) ... [2024-12-02 15:20:38,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:20:38,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:20:38,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:20:38,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:20:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:20:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:20:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:20:38,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:20:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:20:38,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:20:38,422 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:20:38,423 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:20:46,967 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-02 15:20:46,968 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:20:46,975 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:20:46,976 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:20:46,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:46 BoogieIcfgContainer [2024-12-02 15:20:46,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:20:46,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:20:46,978 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:20:46,982 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:20:46,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:20:37" (1/3) ... [2024-12-02 15:20:46,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77315882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:20:46, skipping insertion in model container [2024-12-02 15:20:46,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:38" (2/3) ... [2024-12-02 15:20:46,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77315882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:20:46, skipping insertion in model container [2024-12-02 15:20:46,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:46" (3/3) ... [2024-12-02 15:20:46,984 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-78.i [2024-12-02 15:20:46,994 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:20:46,995 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-78.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:20:47,037 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:20:47,045 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;@34a6faf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:20:47,045 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:20:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:20:47,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 15:20:47,059 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:47,059 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:20:47,060 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:47,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:47,065 INFO L85 PathProgramCache]: Analyzing trace with hash -303364268, now seen corresponding path program 1 times [2024-12-02 15:20:47,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:20:47,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648094486] [2024-12-02 15:20:47,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:47,076 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 [2024-12-02 15:20:47,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:20:47,077 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:20:47,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:20:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:20:47,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:20:47,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:20:47,522 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-12-02 15:20:47,522 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:20:47,523 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:20:47,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648094486] [2024-12-02 15:20:47,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648094486] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:20:47,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:20:47,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:20:47,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737213340] [2024-12-02 15:20:47,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:20:47,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:20:47,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:20:47,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:20:47,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:20:47,544 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:20:47,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:20:47,565 INFO L93 Difference]: Finished difference Result 107 states and 180 transitions. [2024-12-02 15:20:47,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:20:47,566 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 117 [2024-12-02 15:20:47,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:20:47,571 INFO L225 Difference]: With dead ends: 107 [2024-12-02 15:20:47,571 INFO L226 Difference]: Without dead ends: 53 [2024-12-02 15:20:47,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:20:47,577 INFO L435 NwaCegarLoop]: 77 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, 77 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 [2024-12-02 15:20:47,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:20:47,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-12-02 15:20:47,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-12-02 15:20:47,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:20:47,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2024-12-02 15:20:47,624 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 117 [2024-12-02 15:20:47,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:20:47,624 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2024-12-02 15:20:47,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:20:47,625 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-12-02 15:20:47,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 15:20:47,627 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:47,628 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:20:47,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:20:47,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:20:47,829 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:47,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:47,829 INFO L85 PathProgramCache]: Analyzing trace with hash 200732360, now seen corresponding path program 1 times [2024-12-02 15:20:47,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:20:47,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113934301] [2024-12-02 15:20:47,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:47,830 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 [2024-12-02 15:20:47,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:20:47,832 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:20:47,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:20:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:20:48,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:20:48,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:20:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:20:48,318 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:20:48,318 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:20:48,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113934301] [2024-12-02 15:20:48,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1113934301] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:20:48,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:20:48,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:20:48,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063535941] [2024-12-02 15:20:48,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:20:48,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:20:48,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:20:48,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:20:48,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:20:48,321 INFO L87 Difference]: Start difference. First operand 53 states and 77 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:52,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:52,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:20:52,423 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2024-12-02 15:20:52,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:20:52,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 117 [2024-12-02 15:20:52,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:20:52,447 INFO L225 Difference]: With dead ends: 103 [2024-12-02 15:20:52,447 INFO L226 Difference]: Without dead ends: 53 [2024-12-02 15:20:52,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:20:52,447 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:20:52,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 15:20:52,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-12-02 15:20:52,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-12-02 15:20:52,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 15:20:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2024-12-02 15:20:52,453 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 117 [2024-12-02 15:20:52,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:20:52,454 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2024-12-02 15:20:52,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:52,454 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2024-12-02 15:20:52,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 15:20:52,455 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:20:52,455 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:20:52,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:20:52,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:20:52,656 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:20:52,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:20:52,656 INFO L85 PathProgramCache]: Analyzing trace with hash 566889491, now seen corresponding path program 1 times [2024-12-02 15:20:52,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:20:52,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1790439177] [2024-12-02 15:20:52,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:20:52,657 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 [2024-12-02 15:20:52,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:20:52,659 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:20:52,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:20:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:20:53,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:20:53,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:20:54,723 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:20:54,723 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:20:54,724 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:20:54,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1790439177] [2024-12-02 15:20:54,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1790439177] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:20:54,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:20:54,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:20:54,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080455297] [2024-12-02 15:20:54,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:20:54,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:20:54,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:20:54,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:20:54,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:20:54,726 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:20:58,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:21:03,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:21:03,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:21:03,119 INFO L93 Difference]: Finished difference Result 167 states and 241 transitions. [2024-12-02 15:21:03,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:21:03,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 118 [2024-12-02 15:21:03,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:21:03,144 INFO L225 Difference]: With dead ends: 167 [2024-12-02 15:21:03,144 INFO L226 Difference]: Without dead ends: 117 [2024-12-02 15:21:03,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:21:03,145 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 54 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:21:03,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 259 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2024-12-02 15:21:03,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-12-02 15:21:03,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 103. [2024-12-02 15:21:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 64 states have (on average 1.203125) internal successors, (77), 64 states have internal predecessors, (77), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 15:21:03,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 149 transitions. [2024-12-02 15:21:03,162 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 149 transitions. Word has length 118 [2024-12-02 15:21:03,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:21:03,163 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 149 transitions. [2024-12-02 15:21:03,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:21:03,164 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 149 transitions. [2024-12-02 15:21:03,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 15:21:03,165 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:21:03,166 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:21:03,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 15:21:03,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:21:03,366 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:21:03,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:21:03,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1246947861, now seen corresponding path program 1 times [2024-12-02 15:21:03,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:21:03,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952026054] [2024-12-02 15:21:03,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:21:03,367 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 [2024-12-02 15:21:03,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:21:03,369 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:21:03,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 15:21:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:21:04,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 15:21:04,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:21:05,717 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 293 proven. 33 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-12-02 15:21:05,718 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:21:07,688 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:21:07,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952026054] [2024-12-02 15:21:07,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952026054] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:21:07,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2030881641] [2024-12-02 15:21:07,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:21:07,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:21:07,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:21:07,690 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:21:07,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-02 15:21:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:21:08,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:21:08,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:21:09,739 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 15:21:09,739 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:21:09,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2030881641] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:21:09,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:21:09,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-12-02 15:21:09,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960993078] [2024-12-02 15:21:09,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:21:09,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:21:09,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:21:09,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:21:09,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:21:09,741 INFO L87 Difference]: Start difference. First operand 103 states and 149 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:21:12,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:21:16,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:21:18,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:21:19,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:21:23,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:21:23,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:21:23,851 INFO L93 Difference]: Finished difference Result 234 states and 333 transitions. [2024-12-02 15:21:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:21:23,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 118 [2024-12-02 15:21:23,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:21:23,855 INFO L225 Difference]: With dead ends: 234 [2024-12-02 15:21:23,855 INFO L226 Difference]: Without dead ends: 184 [2024-12-02 15:21:23,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:21:23,857 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 43 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:21:23,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 195 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 2 Unknown, 0 Unchecked, 14.1s Time] [2024-12-02 15:21:23,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-12-02 15:21:23,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 178. [2024-12-02 15:21:23,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 114 states have (on average 1.219298245614035) internal successors, (139), 116 states have internal predecessors, (139), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-12-02 15:21:23,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 255 transitions. [2024-12-02 15:21:23,890 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 255 transitions. Word has length 118 [2024-12-02 15:21:23,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:21:23,890 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 255 transitions. [2024-12-02 15:21:23,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:21:23,891 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 255 transitions. [2024-12-02 15:21:23,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 15:21:23,893 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:21:23,893 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:21:23,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 15:21:24,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-02 15:21:24,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 15:21:24,294 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:21:24,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:21:24,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1948012439, now seen corresponding path program 1 times [2024-12-02 15:21:24,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:21:24,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124151520] [2024-12-02 15:21:24,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:21:24,295 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 [2024-12-02 15:21:24,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:21:24,297 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 15:21:24,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21f7b35-958a-4f9e-af76-2b5c7edc5bdc/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 15:21:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:21:25,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-02 15:21:25,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:22:02,917 WARN L286 SmtUtils]: Spent 8.16s 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) [2024-12-02 15:22:09,528 WARN L286 SmtUtils]: Spent 6.61s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:22:16,362 WARN L286 SmtUtils]: Spent 6.83s 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) [2024-12-02 15:22:22,823 WARN L286 SmtUtils]: Spent 6.46s 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) [2024-12-02 15:22:29,158 WARN L286 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:22:37,219 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) [2024-12-02 15:22:45,318 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:22:50,683 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:22:58,763 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:23:06,863 WARN L286 SmtUtils]: Spent 8.10s 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) [2024-12-02 15:23:14,955 WARN L286 SmtUtils]: Spent 8.09s 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) [2024-12-02 15:23:23,019 WARN L286 SmtUtils]: Spent 8.06s 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) [2024-12-02 15:23:31,118 WARN L286 SmtUtils]: Spent 8.10s 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) [2024-12-02 15:23:39,225 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) [2024-12-02 15:23:47,303 WARN L286 SmtUtils]: Spent 8.08s 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) [2024-12-02 15:23:54,832 WARN L286 SmtUtils]: Spent 7.53s 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) [2024-12-02 15:24:02,925 WARN L286 SmtUtils]: Spent 8.09s 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) [2024-12-02 15:24:11,020 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) [2024-12-02 15:24:19,136 WARN L286 SmtUtils]: Spent 8.12s 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) [2024-12-02 15:24:27,214 WARN L286 SmtUtils]: Spent 8.08s 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) [2024-12-02 15:24:33,759 WARN L286 SmtUtils]: Spent 6.54s 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) [2024-12-02 15:24:39,943 WARN L286 SmtUtils]: Spent 6.18s 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) [2024-12-02 15:24:46,694 WARN L286 SmtUtils]: Spent 6.75s 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) [2024-12-02 15:24:52,982 WARN L286 SmtUtils]: Spent 6.29s 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) [2024-12-02 15:25:00,203 WARN L286 SmtUtils]: Spent 7.22s 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) [2024-12-02 15:25:08,287 WARN L286 SmtUtils]: Spent 8.08s 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) [2024-12-02 15:25:16,358 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) [2024-12-02 15:25:24,443 WARN L286 SmtUtils]: Spent 8.08s 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) [2024-12-02 15:25:39,159 WARN L286 SmtUtils]: Spent 6.93s 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) [2024-12-02 15:25:43,182 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) c_~var_1_19~0)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (.cse5 ((_ zero_extend 24) c_~var_1_5~0)) (.cse8 ((_ sign_extend 24) c_~var_1_17~0)) (.cse1 ((_ sign_extend 24) c_~var_1_18~0))) (and (bvsge .cse0 (_ bv4294967265 32)) (bvsle .cse1 (_ bv32 32)) (let ((.cse3 (bvadd (_ bv10 32) .cse5)) (.cse4 ((_ zero_extend 24) c_~var_1_4~0))) (let ((.cse2 (bvsgt .cse3 .cse4))) (or (and .cse2 (= ((_ extract 15 0) .cse3) c_~var_1_20~0)) (and (= ((_ extract 15 0) .cse4) c_~var_1_20~0) (not .cse2))))) (= (_ bv0 16) c_~var_1_21~0) (fp.leq c_~var_1_12~0 .cse6) (fp.geq c_~var_1_14~0 .cse7) (bvsle .cse0 (_ bv31 32)) (fp.leq c_~var_1_14~0 .cse6) (fp.geq c_~var_1_13~0 .cse7) (fp.geq c_~var_1_12~0 .cse7) (fp.leq c_~var_1_13~0 .cse6) (bvsge .cse8 (_ bv4294967233 32)) (let ((.cse9 (fp.gt c_~var_1_10~0 c_~var_1_11~0)) (.cse10 (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (or (and .cse9 (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_12~0) .cse10))) (and (not .cse9) (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0) .cse10))))) (fp.leq c_~var_1_11~0 .cse6) (fp.geq c_~var_1_11~0 .cse7) (bvslt (_ bv64 32) (bvsrem .cse5 c_~var_1_9~0)) (not (bvsgt (_ bv32 32) c_~var_1_9~0)) (bvsle .cse8 (_ bv63 32)) (= c_~var_1_3~0 (_ bv64 8)) (= c_currentRoundingMode roundNearestTiesToEven) (= (_ bv10 16) c_~var_1_6~0) (= (_ bv0 16) c_~last_1_var_1_21~0) (bvsge .cse1 (_ bv4294967265 32)))) is different from false [2024-12-02 15:25:51,330 WARN L286 SmtUtils]: Spent 8.07s 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) [2024-12-02 15:25:58,838 WARN L286 SmtUtils]: Spent 7.51s 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) [2024-12-02 15:26:06,830 WARN L286 SmtUtils]: Spent 7.99s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:26:13,849 WARN L286 SmtUtils]: Spent 7.02s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:26:20,502 WARN L286 SmtUtils]: Spent 6.65s 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) [2024-12-02 15:26:28,574 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:26:36,659 WARN L286 SmtUtils]: Spent 8.08s 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) [2024-12-02 15:26:43,940 WARN L286 SmtUtils]: Spent 7.28s 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) [2024-12-02 15:26:51,475 WARN L286 SmtUtils]: Spent 7.53s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:26:59,298 WARN L286 SmtUtils]: Spent 7.82s 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) [2024-12-02 15:27:07,418 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:27:15,484 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:27:23,546 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:27:31,654 WARN L286 SmtUtils]: Spent 8.11s 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) [2024-12-02 15:27:39,345 WARN L286 SmtUtils]: Spent 7.69s 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) [2024-12-02 15:27:47,446 WARN L286 SmtUtils]: Spent 8.10s 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) [2024-12-02 15:27:55,172 WARN L286 SmtUtils]: Spent 7.73s 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) [2024-12-02 15:28:02,485 WARN L286 SmtUtils]: Spent 7.31s 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) [2024-12-02 15:28:10,559 WARN L286 SmtUtils]: Spent 8.07s 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) [2024-12-02 15:28:18,637 WARN L286 SmtUtils]: Spent 8.08s 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) [2024-12-02 15:28:26,700 WARN L286 SmtUtils]: Spent 8.06s 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) [2024-12-02 15:28:34,767 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) [2024-12-02 15:28:41,711 WARN L286 SmtUtils]: Spent 6.94s 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) [2024-12-02 15:28:49,807 WARN L286 SmtUtils]: Spent 8.10s 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) [2024-12-02 15:28:57,421 WARN L286 SmtUtils]: Spent 7.61s 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) [2024-12-02 15:29:05,534 WARN L286 SmtUtils]: Spent 8.11s 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) [2024-12-02 15:29:13,632 WARN L286 SmtUtils]: Spent 8.10s 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) [2024-12-02 15:29:21,752 WARN L286 SmtUtils]: Spent 8.12s 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) [2024-12-02 15:29:29,344 WARN L286 SmtUtils]: Spent 7.59s 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) [2024-12-02 15:29:37,410 WARN L286 SmtUtils]: Spent 8.06s 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) [2024-12-02 15:29:45,480 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) [2024-12-02 15:29:53,180 WARN L286 SmtUtils]: Spent 7.70s 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) [2024-12-02 15:30:00,709 WARN L286 SmtUtils]: Spent 7.53s 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) [2024-12-02 15:30:08,655 WARN L286 SmtUtils]: Spent 7.95s 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) [2024-12-02 15:30:16,062 WARN L286 SmtUtils]: Spent 7.41s 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) [2024-12-02 15:30:24,133 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) [2024-12-02 15:30:32,155 WARN L286 SmtUtils]: Spent 8.02s 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) [2024-12-02 15:30:36,185 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) c_~var_1_19~0)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (.cse5 ((_ zero_extend 24) c_~var_1_5~0)) (.cse8 ((_ sign_extend 24) c_~var_1_17~0)) (.cse1 ((_ sign_extend 24) c_~var_1_18~0))) (and (bvsge .cse0 (_ bv4294967265 32)) (bvsle .cse1 (_ bv32 32)) (let ((.cse3 (bvadd (_ bv10 32) .cse5)) (.cse4 ((_ zero_extend 24) c_~var_1_4~0))) (let ((.cse2 (bvsgt .cse3 .cse4))) (or (and .cse2 (= ((_ extract 15 0) .cse3) c_~var_1_20~0)) (and (= ((_ extract 15 0) .cse4) c_~var_1_20~0) (not .cse2))))) (= (_ bv0 16) c_~var_1_21~0) (fp.leq c_~var_1_12~0 .cse6) (fp.geq c_~var_1_14~0 .cse7) (bvsle .cse0 (_ bv31 32)) (fp.leq c_~var_1_14~0 .cse6) (fp.geq c_~var_1_13~0 .cse7) (fp.geq c_~var_1_12~0 .cse7) (fp.leq c_~var_1_13~0 .cse6) (bvsge .cse8 (_ bv4294967233 32)) (let ((.cse9 (bvslt .cse0 (_ bv0 32)))) (or (and (= c_~var_1_16~0 ((_ extract 7 0) (bvadd .cse0 .cse8 .cse1))) (not .cse9)) (and (= ((_ extract 7 0) (bvadd .cse8 .cse1 (bvneg .cse0))) c_~var_1_16~0) .cse9))) (let ((.cse10 (fp.gt c_~var_1_10~0 c_~var_1_11~0)) (.cse11 (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (or (and .cse10 (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_12~0) .cse11))) (and (not .cse10) (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0) .cse11))))) (fp.leq c_~var_1_11~0 .cse6) (fp.geq c_~var_1_11~0 .cse7) (let ((.cse12 ((_ sign_extend 24) c_~var_1_16~0))) (let ((.cse13 (bvslt .cse12 (_ bv0 32)))) (or (and (= c_~var_1_1~0 (bvneg .cse12)) .cse13) (and (not .cse13) (= .cse12 c_~var_1_1~0))))) (bvslt (_ bv64 32) (bvsrem .cse5 c_~var_1_9~0)) (not (bvsgt (_ bv32 32) c_~var_1_9~0)) (bvsle .cse8 (_ bv63 32)) (= c_~var_1_3~0 (_ bv64 8)) (= c_currentRoundingMode roundNearestTiesToEven) (= (_ bv10 16) c_~var_1_6~0) (= (_ bv0 16) c_~last_1_var_1_21~0) (bvsge .cse1 (_ bv4294967265 32)))) is different from false [2024-12-02 15:30:44,154 WARN L286 SmtUtils]: Spent 7.87s 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) [2024-12-02 15:30:52,258 WARN L286 SmtUtils]: Spent 8.10s 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) [2024-12-02 15:30:59,779 WARN L286 SmtUtils]: Spent 7.52s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:31:07,854 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:31:15,410 WARN L286 SmtUtils]: Spent 7.56s 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) [2024-12-02 15:31:23,484 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:31:31,605 WARN L286 SmtUtils]: Spent 8.12s 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) [2024-12-02 15:31:39,159 WARN L286 SmtUtils]: Spent 7.55s 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) [2024-12-02 15:31:46,838 WARN L286 SmtUtils]: Spent 7.68s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:31:54,936 WARN L286 SmtUtils]: Spent 8.10s 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) [2024-12-02 15:32:01,927 WARN L286 SmtUtils]: Spent 6.99s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:32:09,709 WARN L286 SmtUtils]: Spent 7.78s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:32:17,772 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:32:25,876 WARN L286 SmtUtils]: Spent 8.10s 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) [2024-12-02 15:32:32,939 WARN L286 SmtUtils]: Spent 7.06s 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) [2024-12-02 15:32:39,685 WARN L286 SmtUtils]: Spent 6.75s 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) [2024-12-02 15:32:47,352 WARN L286 SmtUtils]: Spent 7.67s 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) [2024-12-02 15:32:55,421 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) [2024-12-02 15:33:03,268 WARN L286 SmtUtils]: Spent 7.85s 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) [2024-12-02 15:33:11,342 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) [2024-12-02 15:33:19,418 WARN L286 SmtUtils]: Spent 8.08s 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) [2024-12-02 15:33:26,321 WARN L286 SmtUtils]: Spent 6.90s 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) [2024-12-02 15:33:34,420 WARN L286 SmtUtils]: Spent 8.10s 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) [2024-12-02 15:33:42,527 WARN L286 SmtUtils]: Spent 8.11s 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) [2024-12-02 15:33:50,597 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) [2024-12-02 15:33:58,686 WARN L286 SmtUtils]: Spent 8.09s 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) [2024-12-02 15:34:06,761 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) [2024-12-02 15:34:14,846 WARN L286 SmtUtils]: Spent 8.08s 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) [2024-12-02 15:34:22,629 WARN L286 SmtUtils]: Spent 7.78s 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) [2024-12-02 15:34:29,457 WARN L286 SmtUtils]: Spent 6.83s 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) [2024-12-02 15:34:37,542 WARN L286 SmtUtils]: Spent 8.08s 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) [2024-12-02 15:34:45,611 WARN L286 SmtUtils]: Spent 8.07s 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) [2024-12-02 15:34:51,872 WARN L286 SmtUtils]: Spent 6.26s 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) [2024-12-02 15:34:59,985 WARN L286 SmtUtils]: Spent 8.11s 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) [2024-12-02 15:35:08,091 WARN L286 SmtUtils]: Spent 8.11s 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) [2024-12-02 15:35:16,162 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) [2024-12-02 15:35:23,289 WARN L286 SmtUtils]: Spent 7.13s 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) [2024-12-02 15:35:31,422 WARN L286 SmtUtils]: Spent 8.09s 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)