./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/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_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/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_605f329e-188a-4dbe-81bc-c04f22730ace/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 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:33:35,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:33:35,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:33:35,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:33:35,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:33:35,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:33:35,595 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:33:35,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:33:35,597 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:33:35,597 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:33:35,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:33:35,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:33:35,599 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:33:35,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:33:35,600 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:33:35,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:33:35,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:33:35,602 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:33:35,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:33:35,603 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:33:35,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:33:35,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:33:35,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:33:35,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:33:35,605 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:33:35,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:33:35,606 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:33:35,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:33:35,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:33:35,607 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:33:35,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:33:35,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:33:35,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:33:35,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:33:35,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:33:35,609 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:33:35,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:33:35,609 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:33:35,609 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:33:35,610 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:33:35,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:33:35,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:33:35,610 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_605f329e-188a-4dbe-81bc-c04f22730ace/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c [2023-11-29 02:33:35,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:33:35,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:33:35,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:33:35,857 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:33:35,858 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:33:35,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2023-11-29 02:33:38,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:33:38,749 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:33:38,749 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2023-11-29 02:33:38,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/data/d1a6c8c85/23854cf40fce41448df0a116245c0d27/FLAG25a5733c1 [2023-11-29 02:33:38,771 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/data/d1a6c8c85/23854cf40fce41448df0a116245c0d27 [2023-11-29 02:33:38,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:33:38,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:33:38,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:33:38,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:33:38,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:33:38,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:33:38" (1/1) ... [2023-11-29 02:33:38,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d215562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:33:38, skipping insertion in model container [2023-11-29 02:33:38,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:33:38" (1/1) ... [2023-11-29 02:33:38,808 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:33:38,983 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_605f329e-188a-4dbe-81bc-c04f22730ace/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c[597,610] [2023-11-29 02:33:39,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:33:39,010 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:33:39,022 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_605f329e-188a-4dbe-81bc-c04f22730ace/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c[597,610] [2023-11-29 02:33:39,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:33:39,043 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:33:39,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:33:39 WrapperNode [2023-11-29 02:33:39,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:33:39,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:33:39,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:33:39,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:33:39,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:33:39" (1/1) ... [2023-11-29 02:33:39,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:33:39" (1/1) ... [2023-11-29 02:33:39,077 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-11-29 02:33:39,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:33:39,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:33:39,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:33:39,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:33:39,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:33:39" (1/1) ... [2023-11-29 02:33:39,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:33:39" (1/1) ... [2023-11-29 02:33:39,091 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:33:39" (1/1) ... [2023-11-29 02:33:39,102 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 02:33:39,102 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:33:39" (1/1) ... [2023-11-29 02:33:39,102 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:33:39" (1/1) ... [2023-11-29 02:33:39,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:33:39" (1/1) ... [2023-11-29 02:33:39,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:33:39" (1/1) ... [2023-11-29 02:33:39,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:33:39" (1/1) ... [2023-11-29 02:33:39,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:33:39" (1/1) ... [2023-11-29 02:33:39,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:33:39,113 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:33:39,113 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:33:39,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:33:39,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:33:39" (1/1) ... [2023-11-29 02:33:39,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:33:39,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:39,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:33:39,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:33:39,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:33:39,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:33:39,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:33:39,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:33:39,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-29 02:33:39,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-29 02:33:39,251 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:33:39,253 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:33:39,378 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:33:39,401 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:33:39,401 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:33:39,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:33:39 BoogieIcfgContainer [2023-11-29 02:33:39,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:33:39,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:33:39,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:33:39,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:33:39,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:33:38" (1/3) ... [2023-11-29 02:33:39,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d29ef64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:33:39, skipping insertion in model container [2023-11-29 02:33:39,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:33:39" (2/3) ... [2023-11-29 02:33:39,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d29ef64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:33:39, skipping insertion in model container [2023-11-29 02:33:39,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:33:39" (3/3) ... [2023-11-29 02:33:39,412 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll_unwindbound50.c [2023-11-29 02:33:39,431 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:33:39,432 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:33:39,477 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:33:39,484 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;@6ca53fd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:33:39,485 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:33:39,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 02:33:39,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 02:33:39,497 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:39,497 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:33:39,498 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:39,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:39,504 INFO L85 PathProgramCache]: Analyzing trace with hash -26250642, now seen corresponding path program 1 times [2023-11-29 02:33:39,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:39,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134714891] [2023-11-29 02:33:39,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:39,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:39,614 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:39,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1554377137] [2023-11-29 02:33:39,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:39,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:39,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:39,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:39,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:33:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:39,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 02:33:39,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:39,833 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 02:33:39,834 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:33:39,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:39,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134714891] [2023-11-29 02:33:39,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:33:39,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554377137] [2023-11-29 02:33:39,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554377137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:39,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:39,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:33:39,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756762393] [2023-11-29 02:33:39,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:39,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:33:39,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:39,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:33:39,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:33:39,873 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:33:39,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:40,000 INFO L93 Difference]: Finished difference Result 46 states and 66 transitions. [2023-11-29 02:33:40,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:33:40,002 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-29 02:33:40,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:40,010 INFO L225 Difference]: With dead ends: 46 [2023-11-29 02:33:40,010 INFO L226 Difference]: Without dead ends: 24 [2023-11-29 02:33:40,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:33:40,017 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 12 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:40,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 41 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:33:40,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-11-29 02:33:40,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2023-11-29 02:33:40,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 02:33:40,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2023-11-29 02:33:40,057 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 7 [2023-11-29 02:33:40,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:40,058 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-11-29 02:33:40,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:33:40,058 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-11-29 02:33:40,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 02:33:40,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:40,059 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:33:40,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:33:40,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 02:33:40,266 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:40,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:40,267 INFO L85 PathProgramCache]: Analyzing trace with hash -479331439, now seen corresponding path program 1 times [2023-11-29 02:33:40,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:40,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772201824] [2023-11-29 02:33:40,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:40,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:40,282 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:40,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [571407285] [2023-11-29 02:33:40,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:40,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:40,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:40,284 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:40,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:33:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:40,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 02:33:40,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:33:40,521 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:33:40,661 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 02:33:40,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:40,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772201824] [2023-11-29 02:33:40,662 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:33:40,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571407285] [2023-11-29 02:33:40,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571407285] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:33:40,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:33:40,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2023-11-29 02:33:40,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545206421] [2023-11-29 02:33:40,664 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:33:40,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:33:40,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:40,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:33:40,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:33:40,667 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 13 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 4 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 02:33:40,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:40,930 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2023-11-29 02:33:40,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 02:33:40,931 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 4 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2023-11-29 02:33:40,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:40,932 INFO L225 Difference]: With dead ends: 40 [2023-11-29 02:33:40,932 INFO L226 Difference]: Without dead ends: 33 [2023-11-29 02:33:40,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:33:40,934 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 24 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:40,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 83 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:33:40,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-29 02:33:40,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2023-11-29 02:33:40,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 02:33:40,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2023-11-29 02:33:40,946 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 17 [2023-11-29 02:33:40,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:40,946 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2023-11-29 02:33:40,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 4 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 02:33:40,947 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-29 02:33:40,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-29 02:33:40,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:40,948 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:33:40,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 02:33:41,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:41,149 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:41,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:41,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1366888132, now seen corresponding path program 1 times [2023-11-29 02:33:41,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:41,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415198785] [2023-11-29 02:33:41,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:41,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:41,162 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:41,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1172648053] [2023-11-29 02:33:41,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:41,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:41,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:41,164 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:41,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:33:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:41,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 02:33:41,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:41,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:33:41,251 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:33:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:33:41,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:41,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415198785] [2023-11-29 02:33:41,289 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:33:41,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172648053] [2023-11-29 02:33:41,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172648053] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:33:41,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:33:41,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2023-11-29 02:33:41,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203895185] [2023-11-29 02:33:41,290 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:33:41,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:33:41,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:41,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:33:41,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:33:41,292 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 02:33:41,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:41,367 INFO L93 Difference]: Finished difference Result 72 states and 80 transitions. [2023-11-29 02:33:41,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 02:33:41,367 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2023-11-29 02:33:41,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:41,369 INFO L225 Difference]: With dead ends: 72 [2023-11-29 02:33:41,369 INFO L226 Difference]: Without dead ends: 66 [2023-11-29 02:33:41,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 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 02:33:41,371 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 34 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:41,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 93 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:33:41,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-29 02:33:41,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 54. [2023-11-29 02:33:41,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 02:33:41,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2023-11-29 02:33:41,388 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 18 [2023-11-29 02:33:41,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:41,388 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2023-11-29 02:33:41,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 02:33:41,389 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2023-11-29 02:33:41,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 02:33:41,390 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:41,390 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:33:41,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 02:33:41,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:41,591 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:41,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:41,592 INFO L85 PathProgramCache]: Analyzing trace with hash -382706270, now seen corresponding path program 1 times [2023-11-29 02:33:41,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:41,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871242284] [2023-11-29 02:33:41,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:41,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:41,601 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:41,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [870393871] [2023-11-29 02:33:41,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:41,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:41,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:41,603 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:41,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 02:33:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:41,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-29 02:33:41,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:41,923 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 02:33:41,923 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:33:42,358 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 02:33:42,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:42,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871242284] [2023-11-29 02:33:42,359 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:33:42,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870393871] [2023-11-29 02:33:42,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870393871] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:33:42,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:33:42,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2023-11-29 02:33:42,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891940297] [2023-11-29 02:33:42,360 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:33:42,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 02:33:42,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:42,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 02:33:42,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2023-11-29 02:33:42,363 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 23 states, 19 states have (on average 1.736842105263158) internal successors, (33), 20 states have internal predecessors, (33), 6 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 02:33:43,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:43,149 INFO L93 Difference]: Finished difference Result 64 states and 72 transitions. [2023-11-29 02:33:43,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 02:33:43,150 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 19 states have (on average 1.736842105263158) internal successors, (33), 20 states have internal predecessors, (33), 6 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 24 [2023-11-29 02:33:43,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:43,152 INFO L225 Difference]: With dead ends: 64 [2023-11-29 02:33:43,152 INFO L226 Difference]: Without dead ends: 56 [2023-11-29 02:33:43,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=261, Invalid=1299, Unknown=0, NotChecked=0, Total=1560 [2023-11-29 02:33:43,154 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 51 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:43,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 107 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:33:43,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-29 02:33:43,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 49. [2023-11-29 02:33:43,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 39 states have internal predecessors, (44), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 02:33:43,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2023-11-29 02:33:43,170 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 24 [2023-11-29 02:33:43,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:43,170 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2023-11-29 02:33:43,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 19 states have (on average 1.736842105263158) internal successors, (33), 20 states have internal predecessors, (33), 6 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 02:33:43,171 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-29 02:33:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-29 02:33:43,172 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:43,172 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1] [2023-11-29 02:33:43,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 02:33:43,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:43,378 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:43,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:43,378 INFO L85 PathProgramCache]: Analyzing trace with hash 2080125809, now seen corresponding path program 1 times [2023-11-29 02:33:43,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:43,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533793436] [2023-11-29 02:33:43,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:43,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:43,390 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:43,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1886054292] [2023-11-29 02:33:43,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:43,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:43,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:43,391 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:43,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 02:33:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:43,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 02:33:43,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:43,534 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 8 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:33:43,534 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:33:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 8 proven. 44 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 02:33:43,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:43,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533793436] [2023-11-29 02:33:43,648 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:33:43,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886054292] [2023-11-29 02:33:43,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886054292] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:33:43,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:33:43,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2023-11-29 02:33:43,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799626639] [2023-11-29 02:33:43,649 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:33:43,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 02:33:43,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:43,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 02:33:43,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2023-11-29 02:33:43,652 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 02:33:43,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:43,852 INFO L93 Difference]: Finished difference Result 115 states and 130 transitions. [2023-11-29 02:33:43,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 02:33:43,852 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 48 [2023-11-29 02:33:43,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:43,854 INFO L225 Difference]: With dead ends: 115 [2023-11-29 02:33:43,854 INFO L226 Difference]: Without dead ends: 109 [2023-11-29 02:33:43,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=184, Invalid=322, Unknown=0, NotChecked=0, Total=506 [2023-11-29 02:33:43,856 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 44 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:43,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 124 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:33:43,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-29 02:33:43,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-11-29 02:33:43,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 87 states have (on average 1.1264367816091954) internal successors, (98), 87 states have internal predecessors, (98), 11 states have call successors, (11), 11 states have call predecessors, (11), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 02:33:43,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 119 transitions. [2023-11-29 02:33:43,883 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 119 transitions. Word has length 48 [2023-11-29 02:33:43,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:43,883 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 119 transitions. [2023-11-29 02:33:43,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 02:33:43,884 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2023-11-29 02:33:43,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 02:33:43,888 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:43,889 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2023-11-29 02:33:43,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 02:33:44,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:44,090 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:44,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:44,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1893266719, now seen corresponding path program 2 times [2023-11-29 02:33:44,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:44,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155894748] [2023-11-29 02:33:44,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:44,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:44,108 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:44,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [980147280] [2023-11-29 02:33:44,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 02:33:44,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:44,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:44,110 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:44,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 02:33:44,199 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 02:33:44,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:33:44,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 02:33:44,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:44,417 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 20 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:33:44,418 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:33:44,736 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 20 proven. 290 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-29 02:33:44,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:44,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155894748] [2023-11-29 02:33:44,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:33:44,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980147280] [2023-11-29 02:33:44,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980147280] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:33:44,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:33:44,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 26 [2023-11-29 02:33:44,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551668279] [2023-11-29 02:33:44,738 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:33:44,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-29 02:33:44,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:44,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-29 02:33:44,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=369, Unknown=0, NotChecked=0, Total=650 [2023-11-29 02:33:44,741 INFO L87 Difference]: Start difference. First operand 109 states and 119 transitions. Second operand has 26 states, 26 states have (on average 5.5) internal successors, (143), 26 states have internal predecessors, (143), 21 states have call successors, (21), 12 states have call predecessors, (21), 11 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 02:33:45,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:45,267 INFO L93 Difference]: Finished difference Result 235 states and 268 transitions. [2023-11-29 02:33:45,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-29 02:33:45,268 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.5) internal successors, (143), 26 states have internal predecessors, (143), 21 states have call successors, (21), 12 states have call predecessors, (21), 11 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 108 [2023-11-29 02:33:45,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:45,271 INFO L225 Difference]: With dead ends: 235 [2023-11-29 02:33:45,272 INFO L226 Difference]: Without dead ends: 229 [2023-11-29 02:33:45,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=796, Invalid=1366, Unknown=0, NotChecked=0, Total=2162 [2023-11-29 02:33:45,274 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 151 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:45,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 198 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:33:45,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2023-11-29 02:33:45,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2023-11-29 02:33:45,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 183 states have (on average 1.1256830601092895) internal successors, (206), 183 states have internal predecessors, (206), 23 states have call successors, (23), 23 states have call predecessors, (23), 22 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 02:33:45,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 251 transitions. [2023-11-29 02:33:45,326 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 251 transitions. Word has length 108 [2023-11-29 02:33:45,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:45,327 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 251 transitions. [2023-11-29 02:33:45,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.5) internal successors, (143), 26 states have internal predecessors, (143), 21 states have call successors, (21), 12 states have call predecessors, (21), 11 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 02:33:45,327 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 251 transitions. [2023-11-29 02:33:45,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-11-29 02:33:45,332 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:45,332 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1] [2023-11-29 02:33:45,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 02:33:45,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 02:33:45,537 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:45,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:45,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1650934405, now seen corresponding path program 3 times [2023-11-29 02:33:45,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:45,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840180791] [2023-11-29 02:33:45,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:45,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:45,554 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:45,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1747724108] [2023-11-29 02:33:45,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 02:33:45,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:45,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:45,556 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:45,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 02:33:45,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-29 02:33:45,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:33:45,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 02:33:45,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:45,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 234 proven. 1 refuted. 0 times theorem prover too weak. 2163 trivial. 0 not checked. [2023-11-29 02:33:45,951 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:33:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 106 proven. 129 refuted. 0 times theorem prover too weak. 2163 trivial. 0 not checked. [2023-11-29 02:33:46,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:46,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840180791] [2023-11-29 02:33:46,330 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:33:46,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747724108] [2023-11-29 02:33:46,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747724108] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:33:46,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:33:46,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2023-11-29 02:33:46,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179579755] [2023-11-29 02:33:46,331 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:33:46,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 02:33:46,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:46,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 02:33:46,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-11-29 02:33:46,334 INFO L87 Difference]: Start difference. First operand 229 states and 251 transitions. Second operand has 18 states, 14 states have (on average 2.357142857142857) internal successors, (33), 17 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 02:33:46,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:46,602 INFO L93 Difference]: Finished difference Result 448 states and 491 transitions. [2023-11-29 02:33:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 02:33:46,602 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 14 states have (on average 2.357142857142857) internal successors, (33), 17 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 228 [2023-11-29 02:33:46,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:46,607 INFO L225 Difference]: With dead ends: 448 [2023-11-29 02:33:46,607 INFO L226 Difference]: Without dead ends: 442 [2023-11-29 02:33:46,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 437 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2023-11-29 02:33:46,609 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 25 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:46,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 69 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:33:46,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2023-11-29 02:33:46,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 439. [2023-11-29 02:33:46,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 351 states have (on average 1.1253561253561253) internal successors, (395), 351 states have internal predecessors, (395), 44 states have call successors, (44), 44 states have call predecessors, (44), 43 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-29 02:33:46,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 482 transitions. [2023-11-29 02:33:46,697 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 482 transitions. Word has length 228 [2023-11-29 02:33:46,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:46,698 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 482 transitions. [2023-11-29 02:33:46,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 14 states have (on average 2.357142857142857) internal successors, (33), 17 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 02:33:46,699 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 482 transitions. [2023-11-29 02:33:46,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-11-29 02:33:46,703 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:46,704 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 21, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:33:46,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-29 02:33:46,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 02:33:46,904 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:46,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:46,905 INFO L85 PathProgramCache]: Analyzing trace with hash -970876035, now seen corresponding path program 1 times [2023-11-29 02:33:46,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:46,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578791199] [2023-11-29 02:33:46,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:46,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:46,922 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:46,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [777976331] [2023-11-29 02:33:46,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:46,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:46,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:46,924 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:46,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 02:33:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:47,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-29 02:33:47,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:47,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 44 proven. 2354 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:33:47,608 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:33:48,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 44 proven. 1430 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-29 02:33:48,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:48,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578791199] [2023-11-29 02:33:48,441 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:33:48,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777976331] [2023-11-29 02:33:48,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777976331] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:33:48,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:33:48,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26] total 50 [2023-11-29 02:33:48,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808576363] [2023-11-29 02:33:48,442 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:33:48,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-11-29 02:33:48,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:48,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-11-29 02:33:48,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1133, Invalid=1317, Unknown=0, NotChecked=0, Total=2450 [2023-11-29 02:33:48,448 INFO L87 Difference]: Start difference. First operand 439 states and 482 transitions. Second operand has 50 states, 50 states have (on average 5.98) internal successors, (299), 50 states have internal predecessors, (299), 45 states have call successors, (45), 24 states have call predecessors, (45), 23 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 02:33:49,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:49,963 INFO L93 Difference]: Finished difference Result 928 states and 1042 transitions. [2023-11-29 02:33:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-11-29 02:33:49,964 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 5.98) internal successors, (299), 50 states have internal predecessors, (299), 45 states have call successors, (45), 24 states have call predecessors, (45), 23 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Word has length 228 [2023-11-29 02:33:49,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:49,971 INFO L225 Difference]: With dead ends: 928 [2023-11-29 02:33:49,971 INFO L226 Difference]: Without dead ends: 922 [2023-11-29 02:33:49,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 406 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1288 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=3316, Invalid=5614, Unknown=0, NotChecked=0, Total=8930 [2023-11-29 02:33:49,976 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 353 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:49,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 384 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:33:49,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2023-11-29 02:33:50,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 919. [2023-11-29 02:33:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 735 states have (on average 1.125170068027211) internal successors, (827), 735 states have internal predecessors, (827), 92 states have call successors, (92), 92 states have call predecessors, (92), 91 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2023-11-29 02:33:50,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1010 transitions. [2023-11-29 02:33:50,179 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1010 transitions. Word has length 228 [2023-11-29 02:33:50,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:50,180 INFO L495 AbstractCegarLoop]: Abstraction has 919 states and 1010 transitions. [2023-11-29 02:33:50,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 5.98) internal successors, (299), 50 states have internal predecessors, (299), 45 states have call successors, (45), 24 states have call predecessors, (45), 23 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 02:33:50,180 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1010 transitions. [2023-11-29 02:33:50,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2023-11-29 02:33:50,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:50,193 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 46, 46, 45, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:33:50,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 02:33:50,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:50,400 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:50,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:50,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1917042635, now seen corresponding path program 2 times [2023-11-29 02:33:50,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:50,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768351833] [2023-11-29 02:33:50,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:50,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:50,423 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:50,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1382061254] [2023-11-29 02:33:50,423 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 02:33:50,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:50,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:50,425 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:50,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 02:33:50,694 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 02:33:50,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:33:50,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 95 conjunts are in the unsatisfiable core [2023-11-29 02:33:50,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:33:51,952 INFO L134 CoverageAnalysis]: Checked inductivity of 10534 backedges. 92 proven. 10442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:33:51,952 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:33:53,254 INFO L134 CoverageAnalysis]: Checked inductivity of 10534 backedges. 92 proven. 6302 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2023-11-29 02:33:53,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:53,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768351833] [2023-11-29 02:33:53,255 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:33:53,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382061254] [2023-11-29 02:33:53,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382061254] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:33:53,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:33:53,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 50] total 54 [2023-11-29 02:33:53,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256767637] [2023-11-29 02:33:53,256 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:33:53,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-11-29 02:33:53,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:53,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-11-29 02:33:53,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1331, Invalid=1531, Unknown=0, NotChecked=0, Total=2862 [2023-11-29 02:33:53,260 INFO L87 Difference]: Start difference. First operand 919 states and 1010 transitions. Second operand has 54 states, 54 states have (on average 7.351851851851852) internal successors, (397), 54 states have internal predecessors, (397), 50 states have call successors, (93), 48 states have call predecessors, (93), 47 states have return successors, (92), 49 states have call predecessors, (92), 49 states have call successors, (92) [2023-11-29 02:33:54,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:33:54,849 INFO L93 Difference]: Finished difference Result 1008 states and 1110 transitions. [2023-11-29 02:33:54,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-11-29 02:33:54,850 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 7.351851851851852) internal successors, (397), 54 states have internal predecessors, (397), 50 states have call successors, (93), 48 states have call predecessors, (93), 47 states have return successors, (92), 49 states have call predecessors, (92), 49 states have call successors, (92) Word has length 468 [2023-11-29 02:33:54,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:33:54,855 INFO L225 Difference]: With dead ends: 1008 [2023-11-29 02:33:54,855 INFO L226 Difference]: Without dead ends: 1002 [2023-11-29 02:33:54,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 983 GetRequests, 838 SyntacticMatches, 44 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2350 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=3926, Invalid=6580, Unknown=0, NotChecked=0, Total=10506 [2023-11-29 02:33:54,858 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 175 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:33:54,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 409 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:33:54,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2023-11-29 02:33:54,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 999. [2023-11-29 02:33:54,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 799 states have (on average 1.1251564455569463) internal successors, (899), 799 states have internal predecessors, (899), 100 states have call successors, (100), 100 states have call predecessors, (100), 99 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-11-29 02:33:54,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1098 transitions. [2023-11-29 02:33:54,985 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1098 transitions. Word has length 468 [2023-11-29 02:33:54,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:33:54,987 INFO L495 AbstractCegarLoop]: Abstraction has 999 states and 1098 transitions. [2023-11-29 02:33:54,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 7.351851851851852) internal successors, (397), 54 states have internal predecessors, (397), 50 states have call successors, (93), 48 states have call predecessors, (93), 47 states have return successors, (92), 49 states have call predecessors, (92), 49 states have call successors, (92) [2023-11-29 02:33:54,987 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1098 transitions. [2023-11-29 02:33:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2023-11-29 02:33:55,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:33:55,002 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 50, 49, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:33:55,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-29 02:33:55,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:55,203 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:33:55,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:55,204 INFO L85 PathProgramCache]: Analyzing trace with hash 2091126185, now seen corresponding path program 3 times [2023-11-29 02:33:55,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:55,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349871125] [2023-11-29 02:33:55,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:55,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:55,227 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:33:55,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1742348895] [2023-11-29 02:33:55,228 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 02:33:55,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:33:55,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:33:55,229 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:33:55,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 02:33:55,772 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 51 check-sat command(s) [2023-11-29 02:33:55,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-11-29 02:33:55,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:33:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:33:56,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:33:56,124 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:33:56,125 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:33:56,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-29 02:33:56,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 02:33:56,331 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1] [2023-11-29 02:33:56,334 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:33:56,392 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,394 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,396 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,397 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,400 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,403 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,404 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,405 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,406 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,411 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,415 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,416 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,423 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:33:56 BoogieIcfgContainer [2023-11-29 02:33:56,492 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:33:56,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:33:56,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:33:56,493 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:33:56,493 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:33:39" (3/4) ... [2023-11-29 02:33:56,494 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-29 02:33:56,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-29 02:33:56,664 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:33:56,664 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:33:56,665 INFO L158 Benchmark]: Toolchain (without parser) took 17889.14ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 133.6MB in the beginning and 145.8MB in the end (delta: -12.2MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2023-11-29 02:33:56,665 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:33:56,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.60ms. Allocated memory is still 169.9MB. Free memory was 133.0MB in the beginning and 134.0MB in the end (delta: -1.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 02:33:56,665 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.57ms. Allocated memory is still 169.9MB. Free memory was 134.0MB in the beginning and 132.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:33:56,666 INFO L158 Benchmark]: Boogie Preprocessor took 33.45ms. Allocated memory is still 169.9MB. Free memory was 132.7MB in the beginning and 131.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:33:56,666 INFO L158 Benchmark]: RCFGBuilder took 289.56ms. Allocated memory is still 169.9MB. Free memory was 131.1MB in the beginning and 119.4MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 02:33:56,666 INFO L158 Benchmark]: TraceAbstraction took 17086.91ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 118.6MB in the beginning and 168.6MB in the end (delta: -50.0MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-11-29 02:33:56,667 INFO L158 Benchmark]: Witness Printer took 171.40ms. Allocated memory is still 247.5MB. Free memory was 168.6MB in the beginning and 145.8MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-29 02:33:56,669 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.60ms. Allocated memory is still 169.9MB. Free memory was 133.0MB in the beginning and 134.0MB in the end (delta: -1.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.57ms. Allocated memory is still 169.9MB. Free memory was 134.0MB in the beginning and 132.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.45ms. Allocated memory is still 169.9MB. Free memory was 132.7MB in the beginning and 131.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 289.56ms. Allocated memory is still 169.9MB. Free memory was 131.1MB in the beginning and 119.4MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 17086.91ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 118.6MB in the beginning and 168.6MB in the end (delta: -50.0MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Witness Printer took 171.40ms. Allocated memory is still 247.5MB. Free memory was 168.6MB in the beginning and 145.8MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L21] int counter = 0; [L23] int X, Y; [L24] long long x, y, v, xy, yx; [L25] X = __VERIFIER_nondet_int() [L26] Y = __VERIFIER_nondet_int() [L27] v = ((long long) 2 * Y) - X [L28] y = 0 [L29] x = 0 VAL [X=99, Y=1, counter=0, v=-97, x=0, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=1, v=-97, x=0, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=1, v=-97, x=0, x=0, x=0, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=1] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=1, v=-97, x=0, x=0, x=0, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=1, v=-97, x=0, x=0, x=0, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=1, v=-95, x=0, x=0, x=0, y=0] [L45] x++ VAL [X=99, Y=1, counter=1, v=-95, x=0, x=0, x=1, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=2, v=-95, x=0, x=0, x=1, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=2, v=-95, x=0, x=1, x=1, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=2] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=2, v=-95, x=0, x=1, x=1, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=2, v=-95, x=0, x=1, x=1, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=2, v=-93, x=0, x=1, x=1, y=0] [L45] x++ VAL [X=99, Y=1, counter=2, v=-93, x=0, x=1, x=2, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=3, v=-93, x=0, x=1, x=2, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=3, v=-93, x=0, x=2, x=2, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=3] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=3, v=-93, x=0, x=2, x=2, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=3, v=-93, x=0, x=2, x=2, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=3, v=-91, x=0, x=2, x=2, y=0] [L45] x++ VAL [X=99, Y=1, counter=3, v=-91, x=0, x=2, x=3, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=4, v=-91, x=0, x=2, x=3, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=4, v=-91, x=0, x=3, x=3, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=4] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=4] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=4, v=-91, x=0, x=3, x=3, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=4, v=-91, x=0, x=3, x=3, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=4, v=-89, x=0, x=3, x=3, y=0] [L45] x++ VAL [X=99, Y=1, counter=4, v=-89, x=0, x=3, x=4, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=5, v=-89, x=0, x=3, x=4, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=5, v=-89, x=0, x=4, x=4, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=5] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=5] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=5, v=-89, x=0, x=4, x=4, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=5, v=-89, x=0, x=4, x=4, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=5, v=-87, x=0, x=4, x=4, y=0] [L45] x++ VAL [X=99, Y=1, counter=5, v=-87, x=0, x=4, x=5, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=6, v=-87, x=0, x=4, x=5, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=6, v=-87, x=0, x=5, x=5, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=6] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=6] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=6, v=-87, x=0, x=5, x=5, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=6, v=-87, x=0, x=5, x=5, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=6, v=-85, x=0, x=5, x=5, y=0] [L45] x++ VAL [X=99, Y=1, counter=6, v=-85, x=0, x=5, x=6, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=7, v=-85, x=0, x=5, x=6, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=7, v=-85, x=0, x=6, x=6, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=7] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=7] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=7, v=-85, x=0, x=6, x=6, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=7, v=-85, x=0, x=6, x=6, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=7, v=-83, x=0, x=6, x=6, y=0] [L45] x++ VAL [X=99, Y=1, counter=7, v=-83, x=0, x=6, x=7, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=8, v=-83, x=0, x=6, x=7, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=8, v=-83, x=0, x=7, x=7, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=8] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=8] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=8, v=-83, x=0, x=7, x=7, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=8, v=-83, x=0, x=7, x=7, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=8, v=-81, x=0, x=7, x=7, y=0] [L45] x++ VAL [X=99, Y=1, counter=8, v=-81, x=0, x=7, x=8, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=9, v=-81, x=0, x=7, x=8, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=9, v=-81, x=0, x=8, x=8, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=9] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=9] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=9, v=-81, x=0, x=8, x=8, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=9, v=-81, x=0, x=8, x=8, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=9, v=-79, x=0, x=8, x=8, y=0] [L45] x++ VAL [X=99, Y=1, counter=9, v=-79, x=0, x=8, x=9, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=10, v=-79, x=0, x=8, x=9, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=10, v=-79, x=0, x=9, x=9, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=10] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=10] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=10, v=-79, x=0, x=9, x=9, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=10, v=-79, x=0, x=9, x=9, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=10, v=-77, x=0, x=9, x=9, y=0] [L45] x++ VAL [X=99, Y=1, counter=10, v=-77, x=0, x=10, x=9, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=11, v=-77, x=0, x=10, x=9, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=11, v=-77, x=0, x=10, x=10, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=11] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=11] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=11, v=-77, x=0, x=10, x=10, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=11, v=-77, x=0, x=10, x=10, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=11, v=-75, x=0, x=10, x=10, y=0] [L45] x++ VAL [X=99, Y=1, counter=11, v=-75, x=0, x=10, x=11, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=12, v=-75, x=0, x=10, x=11, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=12, v=-75, x=0, x=11, x=11, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=12] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=12] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=12, v=-75, x=0, x=11, x=11, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=12, v=-75, x=0, x=11, x=11, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=12, v=-73, x=0, x=11, x=11, y=0] [L45] x++ VAL [X=99, Y=1, counter=12, v=-73, x=0, x=11, x=12, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=13, v=-73, x=0, x=11, x=12, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=13, v=-73, x=0, x=12, x=12, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=13] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=13] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=13, v=-73, x=0, x=12, x=12, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=13, v=-73, x=0, x=12, x=12, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=13, v=-71, x=0, x=12, x=12, y=0] [L45] x++ VAL [X=99, Y=1, counter=13, v=-71, x=0, x=12, x=13, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=14, v=-71, x=0, x=12, x=13, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=14, v=-71, x=0, x=13, x=13, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=14] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=14] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=14, v=-71, x=0, x=13, x=13, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=14, v=-71, x=0, x=13, x=13, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=14, v=-69, x=0, x=13, x=13, y=0] [L45] x++ VAL [X=99, Y=1, counter=14, v=-69, x=0, x=13, x=14, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=15, v=-69, x=0, x=13, x=14, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=15, v=-69, x=0, x=14, x=14, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=15] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=15] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=15, v=-69, x=0, x=14, x=14, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=15, v=-69, x=0, x=14, x=14, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=15, v=-67, x=0, x=14, x=14, y=0] [L45] x++ VAL [X=99, Y=1, counter=15, v=-67, x=0, x=14, x=15, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=16, v=-67, x=0, x=14, x=15, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=16, v=-67, x=0, x=15, x=15, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=16] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=16] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=16, v=-67, x=0, x=15, x=15, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=16, v=-67, x=0, x=15, x=15, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=16, v=-65, x=0, x=15, x=15, y=0] [L45] x++ VAL [X=99, Y=1, counter=16, v=-65, x=0, x=15, x=16, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=17, v=-65, x=0, x=15, x=16, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=17, v=-65, x=0, x=16, x=16, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=17] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=17] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=17, v=-65, x=0, x=16, x=16, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=17, v=-65, x=0, x=16, x=16, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=17, v=-63, x=0, x=16, x=16, y=0] [L45] x++ VAL [X=99, Y=1, counter=17, v=-63, x=0, x=16, x=17, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=18, v=-63, x=0, x=16, x=17, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=18, v=-63, x=0, x=17, x=17, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=18] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=18] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=18, v=-63, x=0, x=17, x=17, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=18, v=-63, x=0, x=17, x=17, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=18, v=-61, x=0, x=17, x=17, y=0] [L45] x++ VAL [X=99, Y=1, counter=18, v=-61, x=0, x=17, x=18, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=19, v=-61, x=0, x=17, x=18, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=19, v=-61, x=0, x=18, x=18, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=19] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=19] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=19, v=-61, x=0, x=18, x=18, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=19, v=-61, x=0, x=18, x=18, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=19, v=-59, x=0, x=18, x=18, y=0] [L45] x++ VAL [X=99, Y=1, counter=19, v=-59, x=0, x=18, x=19, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=20, v=-59, x=0, x=18, x=19, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=20, v=-59, x=0, x=19, x=19, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=20] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=20] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=20, v=-59, x=0, x=19, x=19, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=20, v=-59, x=0, x=19, x=19, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=20, v=-57, x=0, x=19, x=19, y=0] [L45] x++ VAL [X=99, Y=1, counter=20, v=-57, x=0, x=19, x=20, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=21, v=-57, x=0, x=19, x=20, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=21, v=-57, x=0, x=20, x=20, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=21] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=21] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=21, v=-57, x=0, x=20, x=20, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=21, v=-57, x=0, x=20, x=20, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=21, v=-55, x=0, x=20, x=20, y=0] [L45] x++ VAL [X=99, Y=1, counter=21, v=-55, x=0, x=20, x=21, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=22, v=-55, x=0, x=20, x=21, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=22, v=-55, x=0, x=21, x=21, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=22] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=22] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=22, v=-55, x=0, x=21, x=21, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=22, v=-55, x=0, x=21, x=21, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=22, v=-53, x=0, x=21, x=21, y=0] [L45] x++ VAL [X=99, Y=1, counter=22, v=-53, x=0, x=21, x=22, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=23, v=-53, x=0, x=21, x=22, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=23, v=-53, x=0, x=22, x=22, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=23] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=23] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=23, v=-53, x=0, x=22, x=22, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=23, v=-53, x=0, x=22, x=22, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=23, v=-51, x=0, x=22, x=22, y=0] [L45] x++ VAL [X=99, Y=1, counter=23, v=-51, x=0, x=22, x=23, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=24, v=-51, x=0, x=22, x=23, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=24, v=-51, x=0, x=23, x=23, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=24] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=24] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=24, v=-51, x=0, x=23, x=23, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=24, v=-51, x=0, x=23, x=23, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=24, v=-49, x=0, x=23, x=23, y=0] [L45] x++ VAL [X=99, Y=1, counter=24, v=-49, x=0, x=23, x=24, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=25, v=-49, x=0, x=23, x=24, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=25, v=-49, x=0, x=24, x=24, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=25] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=25] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=25, v=-49, x=0, x=24, x=24, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=25, v=-49, x=0, x=24, x=24, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=25, v=-47, x=0, x=24, x=24, y=0] [L45] x++ VAL [X=99, Y=1, counter=25, v=-47, x=0, x=24, x=25, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=26, v=-47, x=0, x=24, x=25, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=26, v=-47, x=0, x=25, x=25, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=26] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=26] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=26, v=-47, x=0, x=25, x=25, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=26, v=-47, x=0, x=25, x=25, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=26, v=-45, x=0, x=25, x=25, y=0] [L45] x++ VAL [X=99, Y=1, counter=26, v=-45, x=0, x=25, x=26, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=27, v=-45, x=0, x=25, x=26, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=27, v=-45, x=0, x=26, x=26, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=27] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=27] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=27, v=-45, x=0, x=26, x=26, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=27, v=-45, x=0, x=26, x=26, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=27, v=-43, x=0, x=26, x=26, y=0] [L45] x++ VAL [X=99, Y=1, counter=27, v=-43, x=0, x=26, x=27, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=28, v=-43, x=0, x=26, x=27, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=28, v=-43, x=0, x=27, x=27, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=28] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=28] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=28, v=-43, x=0, x=27, x=27, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=28, v=-43, x=0, x=27, x=27, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=28, v=-41, x=0, x=27, x=27, y=0] [L45] x++ VAL [X=99, Y=1, counter=28, v=-41, x=0, x=27, x=28, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=29, v=-41, x=0, x=27, x=28, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=29, v=-41, x=0, x=28, x=28, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=29] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=29] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=29, v=-41, x=0, x=28, x=28, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=29, v=-41, x=0, x=28, x=28, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=29, v=-39, x=0, x=28, x=28, y=0] [L45] x++ VAL [X=99, Y=1, counter=29, v=-39, x=0, x=28, x=29, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=30, v=-39, x=0, x=28, x=29, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=30, v=-39, x=0, x=29, x=29, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=30] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=30] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=30, v=-39, x=0, x=29, x=29, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=30, v=-39, x=0, x=29, x=29, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=30, v=-37, x=0, x=29, x=29, y=0] [L45] x++ VAL [X=99, Y=1, counter=30, v=-37, x=0, x=29, x=30, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=31, v=-37, x=0, x=29, x=30, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=31, v=-37, x=0, x=30, x=30, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=31] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=31] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=31, v=-37, x=0, x=30, x=30, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=31, v=-37, x=0, x=30, x=30, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=31, v=-35, x=0, x=30, x=30, y=0] [L45] x++ VAL [X=99, Y=1, counter=31, v=-35, x=0, x=30, x=31, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=32, v=-35, x=0, x=30, x=31, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=32, v=-35, x=0, x=31, x=31, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=32] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=32] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=32, v=-35, x=0, x=31, x=31, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=32, v=-35, x=0, x=31, x=31, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=32, v=-33, x=0, x=31, x=31, y=0] [L45] x++ VAL [X=99, Y=1, counter=32, v=-33, x=0, x=31, x=32, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=33, v=-33, x=0, x=31, x=32, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=33, v=-33, x=0, x=32, x=32, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=33] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=33] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=33, v=-33, x=0, x=32, x=32, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=33, v=-33, x=0, x=32, x=32, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=33, v=-31, x=0, x=32, x=32, y=0] [L45] x++ VAL [X=99, Y=1, counter=33, v=-31, x=0, x=32, x=33, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=34, v=-31, x=0, x=32, x=33, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=34, v=-31, x=0, x=33, x=33, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=34] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=34] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=34, v=-31, x=0, x=33, x=33, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=34, v=-31, x=0, x=33, x=33, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=34, v=-29, x=0, x=33, x=33, y=0] [L45] x++ VAL [X=99, Y=1, counter=34, v=-29, x=0, x=33, x=34, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=35, v=-29, x=0, x=33, x=34, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=35, v=-29, x=0, x=34, x=34, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=35] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=35] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=35, v=-29, x=0, x=34, x=34, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=35, v=-29, x=0, x=34, x=34, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=35, v=-27, x=0, x=34, x=34, y=0] [L45] x++ VAL [X=99, Y=1, counter=35, v=-27, x=0, x=34, x=35, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=36, v=-27, x=0, x=34, x=35, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=36, v=-27, x=0, x=35, x=35, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=36] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=36] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=36, v=-27, x=0, x=35, x=35, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=36, v=-27, x=0, x=35, x=35, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=36, v=-25, x=0, x=35, x=35, y=0] [L45] x++ VAL [X=99, Y=1, counter=36, v=-25, x=0, x=35, x=36, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=37, v=-25, x=0, x=35, x=36, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=37, v=-25, x=0, x=36, x=36, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=37] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=37] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=37, v=-25, x=0, x=36, x=36, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=37, v=-25, x=0, x=36, x=36, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=37, v=-23, x=0, x=36, x=36, y=0] [L45] x++ VAL [X=99, Y=1, counter=37, v=-23, x=0, x=36, x=37, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=38, v=-23, x=0, x=36, x=37, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=38, v=-23, x=0, x=37, x=37, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=38] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=38] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=38, v=-23, x=0, x=37, x=37, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=38, v=-23, x=0, x=37, x=37, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=38, v=-21, x=0, x=37, x=37, y=0] [L45] x++ VAL [X=99, Y=1, counter=38, v=-21, x=0, x=37, x=38, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=39, v=-21, x=0, x=37, x=38, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=39, v=-21, x=0, x=38, x=38, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=39] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=39] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=39, v=-21, x=0, x=38, x=38, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=39, v=-21, x=0, x=38, x=38, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=39, v=-19, x=0, x=38, x=38, y=0] [L45] x++ VAL [X=99, Y=1, counter=39, v=-19, x=0, x=38, x=39, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=40, v=-19, x=0, x=38, x=39, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=40, v=-19, x=0, x=39, x=39, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=40] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=40] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=40, v=-19, x=0, x=39, x=39, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=40, v=-19, x=0, x=39, x=39, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=40, v=-17, x=0, x=39, x=39, y=0] [L45] x++ VAL [X=99, Y=1, counter=40, v=-17, x=0, x=39, x=40, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=41, v=-17, x=0, x=39, x=40, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=41, v=-17, x=0, x=40, x=40, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=41] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=41] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=41, v=-17, x=0, x=40, x=40, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=41, v=-17, x=0, x=40, x=40, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=41, v=-15, x=0, x=40, x=40, y=0] [L45] x++ VAL [X=99, Y=1, counter=41, v=-15, x=0, x=40, x=41, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=42, v=-15, x=0, x=40, x=41, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=42, v=-15, x=0, x=41, x=41, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=42] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=42] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=42, v=-15, x=0, x=41, x=41, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=42, v=-15, x=0, x=41, x=41, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=42, v=-13, x=0, x=41, x=41, y=0] [L45] x++ VAL [X=99, Y=1, counter=42, v=-13, x=0, x=41, x=42, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=43, v=-13, x=0, x=41, x=42, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=43, v=-13, x=0, x=42, x=42, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=43] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=43] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=43, v=-13, x=0, x=42, x=42, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=43, v=-13, x=0, x=42, x=42, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=43, v=-11, x=0, x=42, x=42, y=0] [L45] x++ VAL [X=99, Y=1, counter=43, v=-11, x=0, x=42, x=43, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=44, v=-11, x=0, x=42, x=43, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=44, v=-11, x=0, x=43, x=43, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=44] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=44] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=44, v=-11, x=0, x=43, x=43, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=44, v=-11, x=0, x=43, x=43, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=44, v=-9, x=0, x=43, x=43, y=0] [L45] x++ VAL [X=99, Y=1, counter=44, v=-9, x=0, x=43, x=44, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=45, v=-9, x=0, x=43, x=44, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=45, v=-9, x=0, x=44, x=44, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=45] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=45] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=45, v=-9, x=0, x=44, x=44, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=45, v=-9, x=0, x=44, x=44, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=45, v=-7, x=0, x=44, x=44, y=0] [L45] x++ VAL [X=99, Y=1, counter=45, v=-7, x=0, x=44, x=45, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=46, v=-7, x=0, x=44, x=45, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=46, v=-7, x=0, x=45, x=45, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=46] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=46] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=46, v=-7, x=0, x=45, x=45, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=46, v=-7, x=0, x=45, x=45, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=46, v=-5, x=0, x=45, x=45, y=0] [L45] x++ VAL [X=99, Y=1, counter=46, v=-5, x=0, x=45, x=46, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=47, v=-5, x=0, x=45, x=46, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=47, v=-5, x=0, x=46, x=46, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=47] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=47] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=47, v=-5, x=0, x=46, x=46, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=47, v=-5, x=0, x=46, x=46, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=47, v=-3, x=0, x=46, x=46, y=0] [L45] x++ VAL [X=99, Y=1, counter=47, v=-3, x=0, x=46, x=47, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=48, v=-3, x=0, x=46, x=47, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=48, v=-3, x=0, x=47, x=47, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=48] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=48] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=48, v=-3, x=0, x=47, x=47, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=48, v=-3, x=0, x=47, x=47, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=48, v=-1, x=0, x=47, x=47, y=0] [L45] x++ VAL [X=99, Y=1, counter=48, v=-1, x=0, x=47, x=48, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=49, v=-1, x=0, x=47, x=48, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=49, v=-1, x=0, x=48, x=48, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=49] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=49] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=49, v=-1, x=0, x=48, x=48, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=49, v=-1, x=0, x=48, x=48, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=49, v=1, x=0, x=48, x=48, y=0] [L45] x++ VAL [X=99, Y=1, counter=49, v=1, x=0, x=48, x=49, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=50, v=1, x=0, x=48, x=49, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=50, v=1, x=0, x=49, x=49, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=50] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=50] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=50, v=1, x=0, x=49, x=49, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=50, v=1, x=0, x=49, x=49, y=0] [L39] COND FALSE !(v < 0) [L42] v = v + 2 * ((long long) Y - X) [L43] y++ VAL [X=99, Y=1, counter=50, v=-195, x=0, x=49, x=49, y=1] [L45] x++ VAL [X=99, Y=1, counter=50, v=-195, x=0, x=49, x=50, y=1] [L31] EXPR counter++ VAL [X=99, Y=1, counter=51, v=-195, x=0, x=49, x=50, y=1] [L31] COND FALSE !(counter++<50) [L47] xy = (long long) x*y [L48] yx = (long long) Y*x VAL [X=99, Y=1, counter=51, v=-195, x=50, x=50, x=50, y=1] [L49] CALL __VERIFIER_assert(2*yx - 2*xy - X + (long long) 2*Y - v + 2*y == 0) VAL [\old(cond)=0, counter=51] [L14] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=51] [L16] reach_error() VAL [\old(cond)=0, cond=0, counter=51] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.9s, OverallIterations: 10, TraceHistogramMax: 51, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 870 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 869 mSDsluCounter, 1508 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1406 mSDsCounter, 115 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1134 IncrementalHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 115 mSolverCounterUnsat, 102 mSDtfsCounter, 1134 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2422 GetRequests, 2029 SyntacticMatches, 45 SemanticMatches, 348 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4398 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=999occurred in iteration=9, InterpolantAutomatonStates: 330, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 31 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 1654 NumberOfCodeBlocks, 1444 NumberOfCodeBlocksAsserted, 63 NumberOfCheckSat, 2268 ConstructedInterpolants, 1 QuantifiedInterpolants, 6390 SizeOfPredicates, 107 NumberOfNonLiveVariables, 2545 ConjunctsInSsa, 276 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 10289/31834 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-29 02:33:56,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605f329e-188a-4dbe-81bc-c04f22730ace/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE