./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.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_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/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_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/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_39920ab8-b96c-483b-b45f-5fa4118f8327/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 8ecb8a86c5100f100392f33b5049e59f5466347bbc0a9c9e82d59cb07a715797 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:20:24,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:20:24,735 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:20:24,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:20:24,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:20:24,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:20:24,760 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:20:24,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:20:24,761 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:20:24,761 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:20:24,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:20:24,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:20:24,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:20:24,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:20:24,762 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:20:24,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:20:24,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:20:24,762 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:20:24,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:20:24,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:20:24,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:20:24,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:20:24,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:20:24,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:20:24,763 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:20:24,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:20:24,763 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:20:24,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:20:24,763 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:20:24,763 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:20:24,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:20:24,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:20:24,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:20:24,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:20:24,764 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:20:24,764 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:20:24,764 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:20:24,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:20:24,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:20:24,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:20:24,764 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:20:24,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:20:24,765 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:20:24,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:20:24,765 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:20:24,765 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:20:24,765 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:20:24,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:20:24,765 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_39920ab8-b96c-483b-b45f-5fa4118f8327/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 -> 8ecb8a86c5100f100392f33b5049e59f5466347bbc0a9c9e82d59cb07a715797 [2024-12-02 13:20:24,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:20:24,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:20:24,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:20:24,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:20:24,984 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:20:24,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i [2024-12-02 13:20:27,619 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/data/2078841db/54a3e5f3dd8e4f89b093e855bdb33798/FLAGf13204147 [2024-12-02 13:20:27,848 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:20:27,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i [2024-12-02 13:20:27,857 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/data/2078841db/54a3e5f3dd8e4f89b093e855bdb33798/FLAGf13204147 [2024-12-02 13:20:28,201 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/data/2078841db/54a3e5f3dd8e4f89b093e855bdb33798 [2024-12-02 13:20:28,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:20:28,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:20:28,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:20:28,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:20:28,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:20:28,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:20:28" (1/1) ... [2024-12-02 13:20:28,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d134d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:28, skipping insertion in model container [2024-12-02 13:20:28,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:20:28" (1/1) ... [2024-12-02 13:20:28,226 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:20:28,327 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_39920ab8-b96c-483b-b45f-5fa4118f8327/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i[915,928] [2024-12-02 13:20:28,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:20:28,372 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:20:28,383 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_39920ab8-b96c-483b-b45f-5fa4118f8327/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i[915,928] [2024-12-02 13:20:28,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:20:28,413 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:20:28,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:28 WrapperNode [2024-12-02 13:20:28,413 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:20:28,414 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:20:28,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:20:28,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:20:28,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:28" (1/1) ... [2024-12-02 13:20:28,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:28" (1/1) ... [2024-12-02 13:20:28,445 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-12-02 13:20:28,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:20:28,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:20:28,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:20:28,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:20:28,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:28" (1/1) ... [2024-12-02 13:20:28,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:28" (1/1) ... [2024-12-02 13:20:28,458 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:28" (1/1) ... [2024-12-02 13:20:28,471 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 13:20:28,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:28" (1/1) ... [2024-12-02 13:20:28,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:28" (1/1) ... [2024-12-02 13:20:28,477 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:28" (1/1) ... [2024-12-02 13:20:28,478 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:28" (1/1) ... [2024-12-02 13:20:28,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:28" (1/1) ... [2024-12-02 13:20:28,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:28" (1/1) ... [2024-12-02 13:20:28,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:28" (1/1) ... [2024-12-02 13:20:28,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:20:28,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:20:28,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:20:28,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:20:28,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:28" (1/1) ... [2024-12-02 13:20:28,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:20:28,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:20:28,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:20:28,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:20:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:20:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:20:28,542 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:20:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:20:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:20:28,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:20:28,607 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:20:28,609 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:20:28,800 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 13:20:28,800 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:20:28,810 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:20:28,810 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:20:28,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:20:28 BoogieIcfgContainer [2024-12-02 13:20:28,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:20:28,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:20:28,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:20:28,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:20:28,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:20:28" (1/3) ... [2024-12-02 13:20:28,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b52c2fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:20:28, skipping insertion in model container [2024-12-02 13:20:28,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:28" (2/3) ... [2024-12-02 13:20:28,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b52c2fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:20:28, skipping insertion in model container [2024-12-02 13:20:28,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:20:28" (3/3) ... [2024-12-02 13:20:28,819 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-38.i [2024-12-02 13:20:28,834 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:20:28,836 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-38.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:20:28,888 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:20:28,899 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;@7bd61532, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:20:28,899 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:20:28,903 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:20:28,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 13:20:28,912 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:28,913 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:20:28,913 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:20:28,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:28,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1048086186, now seen corresponding path program 1 times [2024-12-02 13:20:28,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:20:28,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695029487] [2024-12-02 13:20:28,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:28,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:20:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:29,132 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 13:20:29,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:20:29,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695029487] [2024-12-02 13:20:29,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695029487] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:20:29,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140020796] [2024-12-02 13:20:29,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:29,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:20:29,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:20:29,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:20:29,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:20:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:29,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:20:29,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:20:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 13:20:29,303 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:20:29,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140020796] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:20:29,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:20:29,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:20:29,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517342737] [2024-12-02 13:20:29,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:20:29,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:20:29,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:20:29,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:20:29,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:20:29,325 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:20:29,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:20:29,344 INFO L93 Difference]: Finished difference Result 103 states and 174 transitions. [2024-12-02 13:20:29,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:20:29,346 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2024-12-02 13:20:29,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:20:29,351 INFO L225 Difference]: With dead ends: 103 [2024-12-02 13:20:29,351 INFO L226 Difference]: Without dead ends: 51 [2024-12-02 13:20:29,353 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 13:20:29,355 INFO L435 NwaCegarLoop]: 73 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, 73 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 13:20:29,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:20:29,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-12-02 13:20:29,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-12-02 13:20:29,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:20:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2024-12-02 13:20:29,388 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 124 [2024-12-02 13:20:29,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:20:29,389 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2024-12-02 13:20:29,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:20:29,389 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2024-12-02 13:20:29,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 13:20:29,391 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:29,392 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:20:29,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:20:29,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 13:20:29,592 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:20:29,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:29,593 INFO L85 PathProgramCache]: Analyzing trace with hash 531958366, now seen corresponding path program 1 times [2024-12-02 13:20:29,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:20:29,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363134178] [2024-12-02 13:20:29,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:29,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:20:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:30,254 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 96 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2024-12-02 13:20:30,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:20:30,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363134178] [2024-12-02 13:20:30,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363134178] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:20:30,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824437457] [2024-12-02 13:20:30,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:30,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:20:30,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:20:30,257 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:20:30,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:20:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:30,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 13:20:30,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:20:31,111 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 272 proven. 96 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-02 13:20:31,111 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:20:31,511 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 99 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-12-02 13:20:31,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824437457] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:20:31,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:20:31,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 16 [2024-12-02 13:20:31,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364619639] [2024-12-02 13:20:31,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:20:31,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 13:20:31,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:20:31,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 13:20:31,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:20:31,514 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 4 states have call successors, (39), 3 states have call predecessors, (39), 7 states have return successors, (41), 3 states have call predecessors, (41), 4 states have call successors, (41) [2024-12-02 13:20:32,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:20:32,013 INFO L93 Difference]: Finished difference Result 113 states and 155 transitions. [2024-12-02 13:20:32,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 13:20:32,016 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 4 states have call successors, (39), 3 states have call predecessors, (39), 7 states have return successors, (41), 3 states have call predecessors, (41), 4 states have call successors, (41) Word has length 124 [2024-12-02 13:20:32,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:20:32,017 INFO L225 Difference]: With dead ends: 113 [2024-12-02 13:20:32,018 INFO L226 Difference]: Without dead ends: 65 [2024-12-02 13:20:32,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 240 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:20:32,019 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 83 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:20:32,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 238 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:20:32,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-12-02 13:20:32,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 59. [2024-12-02 13:20:32,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 35 states have internal predecessors, (38), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:20:32,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 78 transitions. [2024-12-02 13:20:32,034 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 78 transitions. Word has length 124 [2024-12-02 13:20:32,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:20:32,035 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 78 transitions. [2024-12-02 13:20:32,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 4 states have call successors, (39), 3 states have call predecessors, (39), 7 states have return successors, (41), 3 states have call predecessors, (41), 4 states have call successors, (41) [2024-12-02 13:20:32,035 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2024-12-02 13:20:32,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 13:20:32,037 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:32,037 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:20:32,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:20:32,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:20:32,238 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:20:32,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:32,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1988001568, now seen corresponding path program 1 times [2024-12-02 13:20:32,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:20:32,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178336868] [2024-12-02 13:20:32,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:32,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:20:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:20:32,312 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:20:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:20:32,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:20:32,396 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:20:32,397 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:20:32,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:20:32,401 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 13:20:32,465 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:20:32,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:20:32 BoogieIcfgContainer [2024-12-02 13:20:32,468 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:20:32,469 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:20:32,469 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:20:32,469 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:20:32,470 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:20:28" (3/4) ... [2024-12-02 13:20:32,472 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:20:32,473 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:20:32,474 INFO L158 Benchmark]: Toolchain (without parser) took 4269.64ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 109.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-12-02 13:20:32,474 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:20:32,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.47ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 103.9MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:20:32,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.47ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 101.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:20:32,475 INFO L158 Benchmark]: Boogie Preprocessor took 39.71ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 97.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:20:32,475 INFO L158 Benchmark]: RCFGBuilder took 324.17ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 80.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:20:32,475 INFO L158 Benchmark]: TraceAbstraction took 3655.75ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 110.9MB in the end (delta: -30.5MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2024-12-02 13:20:32,475 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 142.6MB. Free memory was 110.9MB in the beginning and 109.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:20:32,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.47ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 103.9MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.47ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 101.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.71ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 97.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 324.17ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 80.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3655.75ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 110.9MB in the end (delta: -30.5MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 142.6MB. Free memory was 110.9MB in the beginning and 109.5MB in the end (delta: 1.4MB). 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 46, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 0; [L23] unsigned short int var_1_2 = 56507; [L24] unsigned short int var_1_3 = 52902; [L25] unsigned short int var_1_4 = 8; [L26] unsigned long int var_1_5 = 16; [L27] unsigned long int var_1_6 = 1771558822; [L28] double var_1_7 = 7.25; [L29] double var_1_8 = 31.2; [L30] double var_1_9 = 32.71; [L31] double var_1_10 = 0.4; [L32] double var_1_11 = 7.75; [L33] unsigned short int var_1_12 = 32; [L34] unsigned char var_1_13 = 0; [L35] unsigned short int var_1_14 = 20114; [L36] unsigned short int var_1_15 = 32; [L37] unsigned short int var_1_16 = 16773; VAL [isInitial=0, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=56507, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L98] isInitial = 1 [L99] FCALL initially() [L101] FCALL updateLastVariables() [L102] CALL updateVariables() [L58] var_1_2 = __VERIFIER_nondet_ushort() [L59] CALL assume_abort_if_not(var_1_2 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L59] RET assume_abort_if_not(var_1_2 >= 32767) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L60] CALL assume_abort_if_not(var_1_2 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L60] RET assume_abort_if_not(var_1_2 <= 65534) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L61] var_1_3 = __VERIFIER_nondet_ushort() [L62] CALL assume_abort_if_not(var_1_3 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L62] RET assume_abort_if_not(var_1_3 >= 32767) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L63] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L63] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L64] var_1_4 = __VERIFIER_nondet_ushort() [L65] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L65] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L66] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L66] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L67] var_1_6 = __VERIFIER_nondet_ulong() [L68] CALL assume_abort_if_not(var_1_6 >= 1610612735) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L68] RET assume_abort_if_not(var_1_6 >= 1610612735) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L69] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L69] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L70] var_1_8 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_9=3271/100] [L71] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4, var_1_9=3271/100] [L72] var_1_9 = __VERIFIER_nondet_double() [L73] CALL assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L73] RET assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L74] var_1_10 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_10 >= -115292.1504606845700e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 1152921.504606845700e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L75] RET assume_abort_if_not((var_1_10 >= -115292.1504606845700e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 1152921.504606845700e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L76] var_1_11 = __VERIFIER_nondet_double() [L77] CALL assume_abort_if_not((var_1_11 >= -115292.1504606845700e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 1152921.504606845700e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L77] RET assume_abort_if_not((var_1_11 >= -115292.1504606845700e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 1152921.504606845700e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L78] var_1_13 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L79] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_12=32, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L80] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L80] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L81] var_1_14 = __VERIFIER_nondet_ushort() [L82] CALL assume_abort_if_not(var_1_14 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L82] RET assume_abort_if_not(var_1_14 >= 16383) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L83] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L83] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L84] var_1_15 = __VERIFIER_nondet_ushort() [L85] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L85] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L86] CALL assume_abort_if_not(var_1_15 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L86] RET assume_abort_if_not(var_1_15 <= 16383) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L87] var_1_16 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_16 >= 16384) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L88] RET assume_abort_if_not(var_1_16 >= 16384) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L89] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L89] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=0, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L102] RET updateVariables() [L103] CALL step() [L41] var_1_1 = (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) - var_1_4) [L42] unsigned short int stepLocal_0 = var_1_4; VAL [isInitial=1, stepLocal_0=32767, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=32767, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L43] COND FALSE !(stepLocal_0 > var_1_2) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=32767, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735, var_1_7=29/4] [L46] var_1_7 = (var_1_8 + (var_1_9 + (var_1_10 + var_1_11))) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=32767, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735] [L47] COND TRUE ! var_1_13 [L48] var_1_12 = (var_1_3 - (var_1_14 - var_1_15)) VAL [isInitial=1, var_1_12=65073, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=32767, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735] [L103] RET step() [L104] CALL, EXPR property() [L94-L95] return (((var_1_1 == ((unsigned short int) (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) - var_1_4))) && ((var_1_4 > var_1_2) ? (var_1_5 == ((unsigned long int) (((var_1_6 - var_1_3) + 2144048120u) - var_1_2))) : 1)) && (var_1_7 == ((double) (var_1_8 + (var_1_9 + (var_1_10 + var_1_11)))))) && ((! var_1_13) ? (var_1_12 == ((unsigned short int) (var_1_3 - (var_1_14 - var_1_15)))) : (var_1_13 ? (var_1_12 == ((unsigned short int) ((27636 + var_1_16) - (((((16853 - 10)) > (var_1_14)) ? ((16853 - 10)) : (var_1_14)))))) : (var_1_12 == ((unsigned short int) var_1_3)))) ; VAL [\result=0, isInitial=1, var_1_12=65073, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=32767, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735] [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_12=65073, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=32767, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735] [L19] reach_error() VAL [isInitial=1, var_1_12=65073, var_1_13=0, var_1_14=16844, var_1_15=16383, var_1_16=16384, var_1_1=32767, var_1_2=32767, var_1_3=-1103822850, var_1_4=32767, var_1_5=16, var_1_6=1610612735] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 311 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 188 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 389 IncrementalHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 123 mSDtfsCounter, 389 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 389 GetRequests, 365 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=2, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 620 NumberOfCodeBlocks, 620 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 615 ConstructedInterpolants, 0 QuantifiedInterpolants, 2026 SizeOfPredicates, 3 NumberOfNonLiveVariables, 552 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 3471/3800 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 13:20:32,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/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_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/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_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/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_39920ab8-b96c-483b-b45f-5fa4118f8327/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 8ecb8a86c5100f100392f33b5049e59f5466347bbc0a9c9e82d59cb07a715797 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:20:34,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:20:34,500 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 13:20:34,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:20:34,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:20:34,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:20:34,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:20:34,529 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:20:34,529 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:20:34,529 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:20:34,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:20:34,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:20:34,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:20:34,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:20:34,530 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:20:34,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:20:34,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:20:34,530 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:20:34,530 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:20:34,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:20:34,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:20:34,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:20:34,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:20:34,530 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:20:34,530 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:20:34,531 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:20:34,531 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:20:34,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:20:34,531 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:20:34,531 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:20:34,531 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:20:34,531 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:20:34,531 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:20:34,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:20:34,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:20:34,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:20:34,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:20:34,532 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:20:34,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:20:34,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:20:34,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:20:34,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:20:34,532 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:20:34,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:20:34,532 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:20:34,532 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:20:34,532 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:20:34,532 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:20:34,533 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:20:34,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:20:34,533 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_39920ab8-b96c-483b-b45f-5fa4118f8327/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 -> 8ecb8a86c5100f100392f33b5049e59f5466347bbc0a9c9e82d59cb07a715797 [2024-12-02 13:20:34,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:20:34,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:20:34,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:20:34,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:20:34,776 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:20:34,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i [2024-12-02 13:20:37,428 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/data/b702b72fa/fad18f3b1b8e47b2b6b8c4ce29d32576/FLAG318fe83fc [2024-12-02 13:20:37,602 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:20:37,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i [2024-12-02 13:20:37,611 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/data/b702b72fa/fad18f3b1b8e47b2b6b8c4ce29d32576/FLAG318fe83fc [2024-12-02 13:20:37,984 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/data/b702b72fa/fad18f3b1b8e47b2b6b8c4ce29d32576 [2024-12-02 13:20:37,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:20:37,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:20:37,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:20:37,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:20:37,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:20:37,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:20:37" (1/1) ... [2024-12-02 13:20:37,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786ba8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:37, skipping insertion in model container [2024-12-02 13:20:37,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:20:37" (1/1) ... [2024-12-02 13:20:38,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:20:38,100 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_39920ab8-b96c-483b-b45f-5fa4118f8327/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i[915,928] [2024-12-02 13:20:38,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:20:38,151 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:20:38,159 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_39920ab8-b96c-483b-b45f-5fa4118f8327/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i[915,928] [2024-12-02 13:20:38,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:20:38,193 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:20:38,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:38 WrapperNode [2024-12-02 13:20:38,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:20:38,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:20:38,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:20:38,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:20:38,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:38" (1/1) ... [2024-12-02 13:20:38,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:38" (1/1) ... [2024-12-02 13:20:38,226 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-12-02 13:20:38,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:20:38,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:20:38,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:20:38,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:20:38,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:38" (1/1) ... [2024-12-02 13:20:38,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:38" (1/1) ... [2024-12-02 13:20:38,236 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:38" (1/1) ... [2024-12-02 13:20:38,245 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 13:20:38,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:38" (1/1) ... [2024-12-02 13:20:38,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:38" (1/1) ... [2024-12-02 13:20:38,252 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:38" (1/1) ... [2024-12-02 13:20:38,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:38" (1/1) ... [2024-12-02 13:20:38,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:38" (1/1) ... [2024-12-02 13:20:38,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:38" (1/1) ... [2024-12-02 13:20:38,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:38" (1/1) ... [2024-12-02 13:20:38,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:20:38,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:20:38,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:20:38,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:20:38,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:38" (1/1) ... [2024-12-02 13:20:38,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:20:38,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:20:38,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:20:38,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:20:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:20:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:20:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:20:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:20:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:20:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:20:38,365 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:20:38,366 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:20:43,447 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 13:20:43,447 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:20:43,456 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:20:43,456 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:20:43,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:20:43 BoogieIcfgContainer [2024-12-02 13:20:43,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:20:43,458 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:20:43,458 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:20:43,463 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:20:43,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:20:37" (1/3) ... [2024-12-02 13:20:43,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e748f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:20:43, skipping insertion in model container [2024-12-02 13:20:43,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:38" (2/3) ... [2024-12-02 13:20:43,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e748f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:20:43, skipping insertion in model container [2024-12-02 13:20:43,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:20:43" (3/3) ... [2024-12-02 13:20:43,465 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-38.i [2024-12-02 13:20:43,478 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:20:43,479 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-38.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:20:43,524 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:20:43,535 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;@2fc65764, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:20:43,535 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:20:43,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:20:43,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 13:20:43,548 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:43,549 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:20:43,550 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:20:43,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:43,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1048086186, now seen corresponding path program 1 times [2024-12-02 13:20:43,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:20:43,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962965862] [2024-12-02 13:20:43,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:43,562 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 13:20:43,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:20:43,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/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 13:20:43,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/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 13:20:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:43,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:20:43,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:20:43,955 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-12-02 13:20:43,956 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:20:43,956 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:20:43,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1962965862] [2024-12-02 13:20:43,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1962965862] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:20:43,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:20:43,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:20:43,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380402992] [2024-12-02 13:20:43,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:20:43,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:20:43,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:20:43,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:20:43,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:20:43,982 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:20:44,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:20:44,005 INFO L93 Difference]: Finished difference Result 103 states and 174 transitions. [2024-12-02 13:20:44,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:20:44,006 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2024-12-02 13:20:44,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:20:44,011 INFO L225 Difference]: With dead ends: 103 [2024-12-02 13:20:44,011 INFO L226 Difference]: Without dead ends: 51 [2024-12-02 13:20:44,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 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 13:20:44,017 INFO L435 NwaCegarLoop]: 73 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, 73 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 13:20:44,018 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:20:44,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-12-02 13:20:44,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-12-02 13:20:44,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:20:44,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2024-12-02 13:20:44,051 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 124 [2024-12-02 13:20:44,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:20:44,052 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2024-12-02 13:20:44,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:20:44,052 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2024-12-02 13:20:44,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 13:20:44,054 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:44,055 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:20:44,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/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 13:20:44,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/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 13:20:44,255 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:20:44,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:44,256 INFO L85 PathProgramCache]: Analyzing trace with hash 531958366, now seen corresponding path program 1 times [2024-12-02 13:20:44,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:20:44,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671861761] [2024-12-02 13:20:44,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:44,257 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 13:20:44,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:20:44,259 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/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 13:20:44,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39920ab8-b96c-483b-b45f-5fa4118f8327/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 13:20:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:44,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-02 13:20:44,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:21:11,506 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 410 proven. 231 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-12-02 13:21:11,506 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:25:18,207 WARN L286 SmtUtils]: Spent 5.59s 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 13:26:57,616 WARN L286 SmtUtils]: Spent 5.48s 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 13:27:34,110 WARN L286 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:27:42,485 WARN L286 SmtUtils]: Spent 5.53s 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 13:28:04,446 WARN L286 SmtUtils]: Spent 5.88s 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 13:29:04,966 WARN L286 SmtUtils]: Spent 5.49s 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 13:29:20,136 WARN L286 SmtUtils]: Spent 5.93s 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 13:30:01,686 WARN L286 SmtUtils]: Spent 5.92s 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 13:32:28,829 WARN L286 SmtUtils]: Spent 22.12s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:32:36,977 WARN L286 SmtUtils]: Spent 5.23s 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 13:32:46,087 WARN L286 SmtUtils]: Spent 5.07s 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 13:33:02,486 WARN L286 SmtUtils]: Spent 5.44s 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 13:33:32,992 WARN L286 SmtUtils]: Spent 7.14s 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 13:33:55,639 WARN L286 SmtUtils]: Spent 6.57s 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 13:34:07,839 WARN L286 SmtUtils]: Spent 6.84s 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 13:34:25,810 WARN L286 SmtUtils]: Spent 5.71s 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 13:34:48,129 WARN L286 SmtUtils]: Spent 7.74s 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 13:34:54,048 WARN L286 SmtUtils]: Spent 5.92s 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 13:35:24,835 WARN L286 SmtUtils]: Spent 5.28s 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 13:35:36,041 WARN L286 SmtUtils]: Spent 5.44s 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)