./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array20_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-patterns/array20_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya --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 4595fcce7ed27c87f4b36557925b67d85fd0fff83d482c199564b06ae0d3b884 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:08:32,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:08:32,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 01:08:32,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:08:32,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:08:32,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:08:32,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:08:32,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:08:32,638 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:08:32,638 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:08:32,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:08:32,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:08:32,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:08:32,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:08:32,641 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:08:32,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:08:32,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:08:32,643 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:08:32,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:08:32,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:08:32,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:08:32,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:08:32,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:08:32,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:08:32,646 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:08:32,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:08:32,647 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:08:32,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:08:32,648 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:08:32,648 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:08:32,649 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:08:32,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:08:32,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:08:32,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:08:32,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:08:32,650 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:08:32,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:08:32,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:08:32,651 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:08:32,651 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:08:32,651 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:08:32,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:08:32,652 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4595fcce7ed27c87f4b36557925b67d85fd0fff83d482c199564b06ae0d3b884 [2023-11-29 01:08:32,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:08:32,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:08:32,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:08:32,934 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:08:32,935 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:08:32,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/array-patterns/array20_pattern.c [2023-11-29 01:08:35,743 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:08:35,913 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:08:35,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/sv-benchmarks/c/array-patterns/array20_pattern.c [2023-11-29 01:08:35,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/data/1f0799c5f/78ad19c6235f47ddab27360ff4222eb2/FLAG4117ca615 [2023-11-29 01:08:35,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/data/1f0799c5f/78ad19c6235f47ddab27360ff4222eb2 [2023-11-29 01:08:35,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:08:35,941 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:08:35,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:08:35,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:08:35,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:08:35,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:08:35" (1/1) ... [2023-11-29 01:08:35,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b01b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:35, skipping insertion in model container [2023-11-29 01:08:35,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:08:35" (1/1) ... [2023-11-29 01:08:35,975 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:08:36,130 WARN L240 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_5df99984-0dea-4754-94a0-6e9e197d2c53/sv-benchmarks/c/array-patterns/array20_pattern.c[1444,1457] [2023-11-29 01:08:36,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:08:36,162 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:08:36,174 WARN L240 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_5df99984-0dea-4754-94a0-6e9e197d2c53/sv-benchmarks/c/array-patterns/array20_pattern.c[1444,1457] [2023-11-29 01:08:36,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:08:36,201 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:08:36,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:36 WrapperNode [2023-11-29 01:08:36,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:08:36,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:08:36,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:08:36,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:08:36,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:36" (1/1) ... [2023-11-29 01:08:36,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:36" (1/1) ... [2023-11-29 01:08:36,240 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2023-11-29 01:08:36,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:08:36,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:08:36,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:08:36,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:08:36,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:36" (1/1) ... [2023-11-29 01:08:36,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:36" (1/1) ... [2023-11-29 01:08:36,255 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:36" (1/1) ... [2023-11-29 01:08:36,269 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2023-11-29 01:08:36,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:36" (1/1) ... [2023-11-29 01:08:36,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:36" (1/1) ... [2023-11-29 01:08:36,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:36" (1/1) ... [2023-11-29 01:08:36,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:36" (1/1) ... [2023-11-29 01:08:36,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:36" (1/1) ... [2023-11-29 01:08:36,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:36" (1/1) ... [2023-11-29 01:08:36,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:08:36,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:08:36,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:08:36,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:08:36,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:36" (1/1) ... [2023-11-29 01:08:36,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:08:36,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:36,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:36,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:08:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:08:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 01:08:36,347 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 01:08:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:08:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 01:08:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:08:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:08:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:08:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:08:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:08:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:08:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 01:08:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:08:36,430 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:08:36,432 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:08:36,609 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:08:36,636 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:08:36,636 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-29 01:08:36,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:08:36 BoogieIcfgContainer [2023-11-29 01:08:36,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:08:36,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:08:36,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:08:36,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:08:36,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:08:35" (1/3) ... [2023-11-29 01:08:36,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c36a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:08:36, skipping insertion in model container [2023-11-29 01:08:36,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:36" (2/3) ... [2023-11-29 01:08:36,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c36a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:08:36, skipping insertion in model container [2023-11-29 01:08:36,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:08:36" (3/3) ... [2023-11-29 01:08:36,647 INFO L112 eAbstractionObserver]: Analyzing ICFG array20_pattern.c [2023-11-29 01:08:36,667 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:08:36,667 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:08:36,728 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:08:36,734 INFO L357 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, mHoare=true, 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;@50e99d94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:08:36,734 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:08:36,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 23 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:08:36,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-29 01:08:36,745 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:08:36,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:08:36,746 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:08:36,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:36,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1876061686, now seen corresponding path program 1 times [2023-11-29 01:08:36,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:36,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129612526] [2023-11-29 01:08:36,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:36,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:36,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:08:36,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129612526] [2023-11-29 01:08:36,878 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 01:08:36,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716311548] [2023-11-29 01:08:36,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:36,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:08:36,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:36,881 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:08:36,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:08:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:36,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 01:08:36,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:08:36,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:08:36,978 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:08:36,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716311548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:08:36,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:08:36,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:08:36,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430173994] [2023-11-29 01:08:36,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:08:36,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:08:36,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:08:37,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:08:37,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:08:37,011 INFO L87 Difference]: Start difference. First operand has 28 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 23 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 01:08:37,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:08:37,035 INFO L93 Difference]: Finished difference Result 54 states and 88 transitions. [2023-11-29 01:08:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:08:37,037 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-11-29 01:08:37,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:08:37,042 INFO L225 Difference]: With dead ends: 54 [2023-11-29 01:08:37,042 INFO L226 Difference]: Without dead ends: 26 [2023-11-29 01:08:37,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:08:37,047 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:08:37,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:08:37,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-11-29 01:08:37,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-11-29 01:08:37,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:08:37,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2023-11-29 01:08:37,076 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 14 [2023-11-29 01:08:37,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:08:37,077 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2023-11-29 01:08:37,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 01:08:37,077 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2023-11-29 01:08:37,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-29 01:08:37,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:08:37,079 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:08:37,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:08:37,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 01:08:37,280 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:08:37,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:37,281 INFO L85 PathProgramCache]: Analyzing trace with hash -364244922, now seen corresponding path program 1 times [2023-11-29 01:08:37,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:37,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258803855] [2023-11-29 01:08:37,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:37,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:37,303 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:08:37,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1887339505] [2023-11-29 01:08:37,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:37,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:08:37,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:37,305 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:08:37,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 01:08:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:37,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 01:08:37,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:08:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 01:08:37,440 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:08:37,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:08:37,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258803855] [2023-11-29 01:08:37,441 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:08:37,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887339505] [2023-11-29 01:08:37,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887339505] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:08:37,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:08:37,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:08:37,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724555617] [2023-11-29 01:08:37,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:08:37,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:08:37,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:08:37,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:08:37,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:08:37,445 INFO L87 Difference]: Start difference. First operand 26 states and 34 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:08:37,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:08:37,474 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2023-11-29 01:08:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:08:37,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2023-11-29 01:08:37,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:08:37,476 INFO L225 Difference]: With dead ends: 33 [2023-11-29 01:08:37,476 INFO L226 Difference]: Without dead ends: 29 [2023-11-29 01:08:37,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:08:37,479 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 11 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:08:37,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 72 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:08:37,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-29 01:08:37,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-29 01:08:37,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 24 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:08:37,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2023-11-29 01:08:37,487 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 38 transitions. Word has length 29 [2023-11-29 01:08:37,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:08:37,488 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 38 transitions. [2023-11-29 01:08:37,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:08:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2023-11-29 01:08:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-29 01:08:37,490 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:08:37,490 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:08:37,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 01:08:37,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:08:37,694 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:08:37,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:37,694 INFO L85 PathProgramCache]: Analyzing trace with hash -315688640, now seen corresponding path program 1 times [2023-11-29 01:08:37,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:37,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94370201] [2023-11-29 01:08:37,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:37,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:37,711 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:08:37,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [859167155] [2023-11-29 01:08:37,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:37,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:08:37,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:37,713 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:08:37,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 01:08:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:37,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 01:08:37,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:08:37,847 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 01:08:37,847 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:08:37,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:08:37,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94370201] [2023-11-29 01:08:37,848 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:08:37,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859167155] [2023-11-29 01:08:37,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859167155] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:08:37,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:08:37,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:08:37,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753183641] [2023-11-29 01:08:37,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:08:37,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:08:37,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:08:37,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:08:37,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:08:37,851 INFO L87 Difference]: Start difference. First operand 29 states and 38 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:08:37,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:08:37,960 INFO L93 Difference]: Finished difference Result 61 states and 80 transitions. [2023-11-29 01:08:37,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:08:37,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2023-11-29 01:08:37,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:08:37,962 INFO L225 Difference]: With dead ends: 61 [2023-11-29 01:08:37,962 INFO L226 Difference]: Without dead ends: 37 [2023-11-29 01:08:37,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:08:37,964 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 19 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:08:37,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 71 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:08:37,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-29 01:08:37,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 30. [2023-11-29 01:08:37,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:08:37,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2023-11-29 01:08:37,973 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 33 [2023-11-29 01:08:37,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:08:37,974 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2023-11-29 01:08:37,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:08:37,974 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-11-29 01:08:37,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 01:08:37,976 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:08:37,976 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:08:37,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 01:08:38,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:08:38,182 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:08:38,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:38,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1044441326, now seen corresponding path program 1 times [2023-11-29 01:08:38,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:38,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802979244] [2023-11-29 01:08:38,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:38,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:38,200 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:08:38,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [548754092] [2023-11-29 01:08:38,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:38,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:08:38,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:38,202 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:08:38,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 01:08:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:38,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 01:08:38,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:08:38,313 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 01:08:38,313 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:08:38,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:08:38,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802979244] [2023-11-29 01:08:38,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:08:38,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548754092] [2023-11-29 01:08:38,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548754092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:08:38,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:08:38,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:08:38,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723395439] [2023-11-29 01:08:38,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:08:38,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:08:38,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:08:38,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:08:38,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:08:38,317 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:08:38,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:08:38,377 INFO L93 Difference]: Finished difference Result 57 states and 76 transitions. [2023-11-29 01:08:38,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:08:38,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2023-11-29 01:08:38,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:08:38,378 INFO L225 Difference]: With dead ends: 57 [2023-11-29 01:08:38,378 INFO L226 Difference]: Without dead ends: 31 [2023-11-29 01:08:38,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:08:38,380 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 22 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:08:38,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 45 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:08:38,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-29 01:08:38,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2023-11-29 01:08:38,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:08:38,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2023-11-29 01:08:38,390 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 36 [2023-11-29 01:08:38,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:08:38,390 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2023-11-29 01:08:38,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:08:38,391 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2023-11-29 01:08:38,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-29 01:08:38,392 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:08:38,392 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:08:38,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 01:08:38,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:08:38,598 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:08:38,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:38,598 INFO L85 PathProgramCache]: Analyzing trace with hash -313799821, now seen corresponding path program 1 times [2023-11-29 01:08:38,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:38,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908945990] [2023-11-29 01:08:38,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:38,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:38,615 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:08:38,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1211420959] [2023-11-29 01:08:38,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:38,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:08:38,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:38,617 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:08:38,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 01:08:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:38,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-29 01:08:38,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:08:38,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:08:39,386 INFO L349 Elim1Store]: treesize reduction 33, result has 31.3 percent of original size [2023-11-29 01:08:39,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 22 [2023-11-29 01:08:39,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:08:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:08:39,650 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:09:02,564 WARN L293 SmtUtils]: Spent 9.28s on a formula simplification that was a NOOP. DAG size: 139 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 01:09:11,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:11,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908945990] [2023-11-29 01:09:11,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:09:11,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211420959] [2023-11-29 01:09:11,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211420959] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:11,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:09:11,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2023-11-29 01:09:11,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301378688] [2023-11-29 01:09:11,272 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 01:09:11,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 01:09:11,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:11,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 01:09:11,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=788, Unknown=1, NotChecked=0, Total=930 [2023-11-29 01:09:11,274 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 19 states have internal predecessors, (31), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:09:12,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:12,549 INFO L93 Difference]: Finished difference Result 97 states and 126 transitions. [2023-11-29 01:09:12,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-29 01:09:12,549 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 19 states have internal predecessors, (31), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 37 [2023-11-29 01:09:12,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:12,551 INFO L225 Difference]: With dead ends: 97 [2023-11-29 01:09:12,551 INFO L226 Difference]: Without dead ends: 73 [2023-11-29 01:09:12,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 503 ImplicationChecksByTransitivity, 25.2s TimeCoverageRelationStatistics Valid=308, Invalid=1761, Unknown=1, NotChecked=0, Total=2070 [2023-11-29 01:09:12,554 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 69 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:12,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 142 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 01:09:12,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-29 01:09:12,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 57. [2023-11-29 01:09:12,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 48 states have (on average 1.25) internal successors, (60), 48 states have internal predecessors, (60), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 01:09:12,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2023-11-29 01:09:12,568 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 70 transitions. Word has length 37 [2023-11-29 01:09:12,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:12,569 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 70 transitions. [2023-11-29 01:09:12,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 19 states have internal predecessors, (31), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:09:12,569 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2023-11-29 01:09:12,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 01:09:12,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:12,570 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:12,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 01:09:12,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:12,771 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:09:12,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:12,771 INFO L85 PathProgramCache]: Analyzing trace with hash -957259103, now seen corresponding path program 2 times [2023-11-29 01:09:12,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:12,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105232231] [2023-11-29 01:09:12,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:12,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:12,783 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:09:12,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1350947533] [2023-11-29 01:09:12,783 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:09:12,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:12,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:12,785 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:12,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 01:09:12,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:09:12,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:09:12,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:09:12,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:12,912 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 01:09:12,913 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:09:12,953 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-29 01:09:12,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:12,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105232231] [2023-11-29 01:09:12,953 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:09:12,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350947533] [2023-11-29 01:09:12,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350947533] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:09:12,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:09:12,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2023-11-29 01:09:12,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291590166] [2023-11-29 01:09:12,954 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:09:12,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:09:12,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:12,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:09:12,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:09:12,955 INFO L87 Difference]: Start difference. First operand 57 states and 70 transitions. Second operand has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 01:09:13,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:13,129 INFO L93 Difference]: Finished difference Result 96 states and 121 transitions. [2023-11-29 01:09:13,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 01:09:13,129 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2023-11-29 01:09:13,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:13,130 INFO L225 Difference]: With dead ends: 96 [2023-11-29 01:09:13,131 INFO L226 Difference]: Without dead ends: 74 [2023-11-29 01:09:13,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:09:13,132 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 34 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:13,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 110 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:09:13,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-29 01:09:13,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 63. [2023-11-29 01:09:13,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 54 states have internal predecessors, (68), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 01:09:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 78 transitions. [2023-11-29 01:09:13,144 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 78 transitions. Word has length 38 [2023-11-29 01:09:13,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:13,145 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 78 transitions. [2023-11-29 01:09:13,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 01:09:13,145 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2023-11-29 01:09:13,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 01:09:13,146 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:13,146 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:13,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 01:09:13,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:13,347 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:09:13,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:13,347 INFO L85 PathProgramCache]: Analyzing trace with hash -715827731, now seen corresponding path program 3 times [2023-11-29 01:09:13,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:13,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783427711] [2023-11-29 01:09:13,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:13,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:13,356 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:09:13,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2015957617] [2023-11-29 01:09:13,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 01:09:13,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:13,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:13,357 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:13,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 01:09:13,492 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-29 01:09:13,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:09:13,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:09:13,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 01:09:13,527 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:09:13,564 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 01:09:13,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:13,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783427711] [2023-11-29 01:09:13,564 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:09:13,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015957617] [2023-11-29 01:09:13,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015957617] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:09:13,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:09:13,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-29 01:09:13,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074039477] [2023-11-29 01:09:13,565 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:09:13,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:09:13,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:13,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:09:13,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:09:13,567 INFO L87 Difference]: Start difference. First operand 63 states and 78 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 01:09:13,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:13,649 INFO L93 Difference]: Finished difference Result 118 states and 149 transitions. [2023-11-29 01:09:13,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:09:13,650 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2023-11-29 01:09:13,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:13,651 INFO L225 Difference]: With dead ends: 118 [2023-11-29 01:09:13,651 INFO L226 Difference]: Without dead ends: 68 [2023-11-29 01:09:13,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 75 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:09:13,652 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 28 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:13,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 56 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:09:13,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-29 01:09:13,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2023-11-29 01:09:13,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 57 states have (on average 1.2456140350877194) internal successors, (71), 57 states have internal predecessors, (71), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 01:09:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 81 transitions. [2023-11-29 01:09:13,667 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 81 transitions. Word has length 41 [2023-11-29 01:09:13,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:13,668 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 81 transitions. [2023-11-29 01:09:13,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 01:09:13,668 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 81 transitions. [2023-11-29 01:09:13,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-29 01:09:13,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:13,669 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:13,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 01:09:13,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:13,874 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:09:13,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:13,874 INFO L85 PathProgramCache]: Analyzing trace with hash -535222425, now seen corresponding path program 4 times [2023-11-29 01:09:13,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:13,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227379556] [2023-11-29 01:09:13,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:13,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:13,885 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:09:13,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [689224854] [2023-11-29 01:09:13,885 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 01:09:13,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:13,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:13,886 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:13,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 01:09:13,940 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 01:09:13,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:09:13,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:09:13,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 01:09:14,007 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:09:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 01:09:14,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:14,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227379556] [2023-11-29 01:09:14,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:09:14,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689224854] [2023-11-29 01:09:14,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689224854] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:09:14,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:09:14,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-11-29 01:09:14,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974800714] [2023-11-29 01:09:14,061 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:09:14,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 01:09:14,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:14,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 01:09:14,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:09:14,062 INFO L87 Difference]: Start difference. First operand 66 states and 81 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 01:09:14,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:14,216 INFO L93 Difference]: Finished difference Result 109 states and 132 transitions. [2023-11-29 01:09:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 01:09:14,216 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2023-11-29 01:09:14,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:14,217 INFO L225 Difference]: With dead ends: 109 [2023-11-29 01:09:14,217 INFO L226 Difference]: Without dead ends: 94 [2023-11-29 01:09:14,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 72 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:09:14,218 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 87 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:14,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 92 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:09:14,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-29 01:09:14,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 81. [2023-11-29 01:09:14,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 69 states have internal predecessors, (85), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-29 01:09:14,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 99 transitions. [2023-11-29 01:09:14,234 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 99 transitions. Word has length 42 [2023-11-29 01:09:14,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:14,235 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 99 transitions. [2023-11-29 01:09:14,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 01:09:14,235 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2023-11-29 01:09:14,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-29 01:09:14,236 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:14,236 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:14,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-29 01:09:14,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:14,442 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:09:14,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:14,442 INFO L85 PathProgramCache]: Analyzing trace with hash -47121920, now seen corresponding path program 5 times [2023-11-29 01:09:14,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:14,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997829766] [2023-11-29 01:09:14,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:14,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:14,453 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:09:14,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [827644925] [2023-11-29 01:09:14,453 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-29 01:09:14,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:14,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:14,454 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:14,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 01:09:14,520 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-11-29 01:09:14,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:09:14,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:09:14,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:14,582 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 01:09:14,582 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:09:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 01:09:14,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:14,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997829766] [2023-11-29 01:09:14,634 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:09:14,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827644925] [2023-11-29 01:09:14,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827644925] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:09:14,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:09:14,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-11-29 01:09:14,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761609139] [2023-11-29 01:09:14,635 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:09:14,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 01:09:14,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:14,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 01:09:14,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:09:14,637 INFO L87 Difference]: Start difference. First operand 81 states and 99 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 01:09:14,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:14,816 INFO L93 Difference]: Finished difference Result 126 states and 150 transitions. [2023-11-29 01:09:14,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 01:09:14,817 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2023-11-29 01:09:14,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:14,818 INFO L225 Difference]: With dead ends: 126 [2023-11-29 01:09:14,818 INFO L226 Difference]: Without dead ends: 82 [2023-11-29 01:09:14,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 74 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2023-11-29 01:09:14,820 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 71 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:14,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 91 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:09:14,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-29 01:09:14,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 78. [2023-11-29 01:09:14,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 66 states have (on average 1.196969696969697) internal successors, (79), 66 states have internal predecessors, (79), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-29 01:09:14,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 93 transitions. [2023-11-29 01:09:14,833 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 93 transitions. Word has length 43 [2023-11-29 01:09:14,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:14,833 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 93 transitions. [2023-11-29 01:09:14,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 01:09:14,833 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2023-11-29 01:09:14,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 01:09:14,834 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:14,834 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:14,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 01:09:15,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:15,035 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:09:15,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:15,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1854788154, now seen corresponding path program 6 times [2023-11-29 01:09:15,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:15,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085018538] [2023-11-29 01:09:15,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:15,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:15,047 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:09:15,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1903659435] [2023-11-29 01:09:15,047 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-29 01:09:15,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:15,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:15,048 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:15,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df99984-0dea-4754-94a0-6e9e197d2c53/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 01:09:15,818 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-11-29 01:09:15,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:09:15,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 81 conjunts are in the unsatisfiable core [2023-11-29 01:09:15,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:15,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2023-11-29 01:09:15,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2023-11-29 01:09:16,118 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:09:16,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2023-11-29 01:09:16,183 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:09:16,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2023-11-29 01:09:29,795 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-29 01:09:29,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 240 treesize of output 225 [2023-11-29 01:09:38,564 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification. DAG size of input: 384 DAG size of output: 89 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-29 01:09:38,564 INFO L349 Elim1Store]: treesize reduction 1745, result has 14.3 percent of original size [2023-11-29 01:09:38,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 60 case distinctions, treesize of input 262 treesize of output 941 [2023-11-29 01:10:42,173 WARN L293 SmtUtils]: Spent 11.80s on a formula simplification. DAG size of input: 31 DAG size of output: 22 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-29 01:10:42,173 INFO L349 Elim1Store]: treesize reduction 32, result has 52.2 percent of original size [2023-11-29 01:10:42,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 4798 treesize of output 4626 [2023-11-29 01:12:39,692 INFO L349 Elim1Store]: treesize reduction 1634, result has 9.2 percent of original size [2023-11-29 01:12:39,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 54 case distinctions, treesize of input 685 treesize of output 774 [2023-11-29 01:12:40,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:40,444 INFO L224 Elim1Store]: Index analysis took 111 ms [2023-11-29 01:12:40,471 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:12:40,972 INFO L349 Elim1Store]: treesize reduction 112, result has 49.8 percent of original size [2023-11-29 01:12:40,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 312 treesize of output 295 [2023-11-29 01:12:42,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:42,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:42,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:42,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:42,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:42,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:42,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:42,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:42,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:42,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:42,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:42,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:42,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:42,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:42,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:43,251 INFO L224 Elim1Store]: Index analysis took 303 ms [2023-11-29 01:12:43,789 INFO L349 Elim1Store]: treesize reduction 243, result has 0.4 percent of original size [2023-11-29 01:12:43,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 9 select indices, 9 select index equivalence classes, 49 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 6 case distinctions, treesize of input 338 treesize of output 551 [2023-11-29 01:12:46,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:12:46,591 INFO L224 Elim1Store]: Index analysis took 135 ms [2023-11-29 01:12:47,039 INFO L349 Elim1Store]: treesize reduction 117, result has 50.0 percent of original size [2023-11-29 01:12:47,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 40 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 5 case distinctions, treesize of input 327 treesize of output 356 [2023-11-29 01:13:04,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:04,325 INFO L224 Elim1Store]: Index analysis took 236 ms [2023-11-29 01:13:05,176 INFO L349 Elim1Store]: treesize reduction 243, result has 0.4 percent of original size [2023-11-29 01:13:05,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 9 select indices, 9 select index equivalence classes, 49 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 6 case distinctions, treesize of input 338 treesize of output 551 [2023-11-29 01:13:06,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,521 INFO L224 Elim1Store]: Index analysis took 232 ms [2023-11-29 01:13:06,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:06,594 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:13:07,410 INFO L349 Elim1Store]: treesize reduction 133, result has 45.5 percent of original size [2023-11-29 01:13:07,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 53 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 6 case distinctions, treesize of input 353 treesize of output 342 [2023-11-29 01:13:08,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:08,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:08,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:08,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:08,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:08,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:08,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:08,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:08,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:08,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:08,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:08,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:08,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:08,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:13:17,830 WARN L293 SmtUtils]: Spent 9.43s on a formula simplification. DAG size of input: 220 DAG size of output: 69 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-29 01:13:17,830 INFO L349 Elim1Store]: treesize reduction 779, result has 24.6 percent of original size [2023-11-29 01:13:17,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 40 case distinctions, treesize of input 740 treesize of output 1075 [2023-11-29 01:13:54,401 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:14:25,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:14:25,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:14:25,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:14:25,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:14:25,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:14:25,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:14:25,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:14:25,758 INFO L224 Elim1Store]: Index analysis took 185 ms [2023-11-29 01:14:40,266 WARN L293 SmtUtils]: Spent 14.46s on a formula simplification. DAG size of input: 211 DAG size of output: 124 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-29 01:14:40,267 INFO L349 Elim1Store]: treesize reduction 719, result has 41.7 percent of original size [2023-11-29 01:14:40,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 29 case distinctions, treesize of input 955 treesize of output 1215 [2023-11-29 01:14:50,915 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:14:58,926 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:15:15,314 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:15:23,326 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:15:35,349 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:15:52,730 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:16:01,058 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:16:16,205 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:16:27,851 WARN L293 SmtUtils]: Spent 6.52s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:16:46,880 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:16:54,893 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:17:02,908 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:17:14,976 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:17:22,989 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:17:31,001 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:17:48,213 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:17:56,225 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:18:08,265 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:18:16,278 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:18:24,289 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:18:32,302 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:19:13,254 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:19:30,840 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:19:42,865 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:19:50,878 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:20:18,210 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:20:26,221 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:20:34,936 WARN L293 SmtUtils]: Spent 8.71s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:20:47,005 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:21:02,987 WARN L293 SmtUtils]: Spent 7.36s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:21:11,180 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:21:19,193 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:21:31,223 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:21:39,613 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:21:47,624 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:21:55,637 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:22:23,929 WARN L293 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 12 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:22:38,311 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:22:50,472 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:22:58,483 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:23:14,545 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:23:31,814 WARN L293 SmtUtils]: Spent 6.22s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:23:45,894 WARN L293 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)