./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f9eb6f5ed10e87bb24b60ecc008ae0f7d927414b72cef44f169022f555bf831 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:40:42,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:40:43,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-23 22:40:43,037 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:40:43,037 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:40:43,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:40:43,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:40:43,067 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:40:43,068 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:40:43,069 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:40:43,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:40:43,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:40:43,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:40:43,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:40:43,073 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:40:43,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:40:43,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:40:43,075 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:40:43,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:40:43,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:40:43,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:40:43,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:40:43,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:40:43,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:40:43,080 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 22:40:43,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:40:43,081 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:40:43,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:40:43,083 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:40:43,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:40:43,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:40:43,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:40:43,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:40:43,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:40:43,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:40:43,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:40:43,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:40:43,087 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:40:43,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:40:43,088 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:40:43,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:40:43,089 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:40:43,089 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:40:43,090 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:40:43,091 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_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f9eb6f5ed10e87bb24b60ecc008ae0f7d927414b72cef44f169022f555bf831 [2023-11-23 22:40:43,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:40:43,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:40:43,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:40:43,427 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:40:43,428 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:40:43,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2023-11-23 22:40:47,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:40:47,383 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:40:47,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2023-11-23 22:40:47,396 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/data/97d35d67a/ae8483a22d2349d89f0bccfa6002d2c2/FLAG7dfd332c7 [2023-11-23 22:40:47,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/data/97d35d67a/ae8483a22d2349d89f0bccfa6002d2c2 [2023-11-23 22:40:47,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:40:47,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:40:47,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:40:47,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:40:47,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:40:47,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:40:47" (1/1) ... [2023-11-23 22:40:47,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3b7520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:47, skipping insertion in model container [2023-11-23 22:40:47,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:40:47" (1/1) ... [2023-11-23 22:40:47,453 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:40:47,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:40:47,712 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:40:47,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:40:47,762 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:40:47,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:47 WrapperNode [2023-11-23 22:40:47,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:40:47,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:40:47,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:40:47,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:40:47,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:47" (1/1) ... [2023-11-23 22:40:47,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:47" (1/1) ... [2023-11-23 22:40:47,812 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2023-11-23 22:40:47,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:40:47,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:40:47,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:40:47,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:40:47,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:47" (1/1) ... [2023-11-23 22:40:47,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:47" (1/1) ... [2023-11-23 22:40:47,829 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:47" (1/1) ... [2023-11-23 22:40:47,846 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 22:40:47,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:47" (1/1) ... [2023-11-23 22:40:47,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:47" (1/1) ... [2023-11-23 22:40:47,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:47" (1/1) ... [2023-11-23 22:40:47,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:47" (1/1) ... [2023-11-23 22:40:47,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:47" (1/1) ... [2023-11-23 22:40:47,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:47" (1/1) ... [2023-11-23 22:40:47,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:40:47,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:40:47,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:40:47,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:40:47,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:47" (1/1) ... [2023-11-23 22:40:47,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:40:47,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:40:47,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:40:47,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:40:47,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:40:47,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 22:40:47,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:40:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:40:47,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 22:40:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 22:40:48,029 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:40:48,032 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:40:48,390 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:40:48,438 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:40:48,438 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:40:48,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:40:48 BoogieIcfgContainer [2023-11-23 22:40:48,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:40:48,443 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:40:48,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:40:48,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:40:48,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:40:47" (1/3) ... [2023-11-23 22:40:48,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d6b177b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:40:48, skipping insertion in model container [2023-11-23 22:40:48,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:47" (2/3) ... [2023-11-23 22:40:48,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d6b177b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:40:48, skipping insertion in model container [2023-11-23 22:40:48,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:40:48" (3/3) ... [2023-11-23 22:40:48,461 INFO L112 eAbstractionObserver]: Analyzing ICFG geo2-ll_unwindbound1.c [2023-11-23 22:40:48,484 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:40:48,484 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-11-23 22:40:48,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:40:48,551 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;@76f07380, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:40:48,551 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2023-11-23 22:40:48,556 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 38 states have (on average 1.894736842105263) internal successors, (72), 68 states have internal predecessors, (72), 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) [2023-11-23 22:40:48,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 22:40:48,563 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:40:48,564 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-23 22:40:48,565 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-23 22:40:48,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:48,572 INFO L85 PathProgramCache]: Analyzing trace with hash 129960, now seen corresponding path program 1 times [2023-11-23 22:40:48,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:48,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901988787] [2023-11-23 22:40:48,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:48,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:48,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:48,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:48,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901988787] [2023-11-23 22:40:48,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901988787] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:48,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:48,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:48,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569366739] [2023-11-23 22:40:48,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:48,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:40:48,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:48,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:40:48,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:40:48,932 INFO L87 Difference]: Start difference. First operand has 72 states, 38 states have (on average 1.894736842105263) internal successors, (72), 68 states have internal predecessors, (72), 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 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:49,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:40:49,079 INFO L93 Difference]: Finished difference Result 147 states and 161 transitions. [2023-11-23 22:40:49,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:40:49,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-23 22:40:49,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:40:49,095 INFO L225 Difference]: With dead ends: 147 [2023-11-23 22:40:49,096 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 22:40:49,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:40:49,110 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 4 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:40:49,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 202 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:40:49,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 22:40:49,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 22:40:49,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 41 states have (on average 1.7560975609756098) internal successors, (72), 70 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:40:49,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2023-11-23 22:40:49,185 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 3 [2023-11-23 22:40:49,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:40:49,186 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2023-11-23 22:40:49,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:49,187 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2023-11-23 22:40:49,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 22:40:49,189 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:40:49,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-23 22:40:49,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 22:40:49,190 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-23 22:40:49,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:49,192 INFO L85 PathProgramCache]: Analyzing trace with hash -423288061, now seen corresponding path program 1 times [2023-11-23 22:40:49,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:49,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869456610] [2023-11-23 22:40:49,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:49,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:49,224 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:40:49,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [186948045] [2023-11-23 22:40:49,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:49,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:49,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:40:49,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:40:49,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 22:40:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:49,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 22:40:49,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:40:49,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:49,405 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:40:49,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:49,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869456610] [2023-11-23 22:40:49,406 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:40:49,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186948045] [2023-11-23 22:40:49,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186948045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:49,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:49,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-23 22:40:49,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112747877] [2023-11-23 22:40:49,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:49,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:49,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:49,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:49,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:49,414 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:49,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:40:49,852 INFO L93 Difference]: Finished difference Result 127 states and 129 transitions. [2023-11-23 22:40:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:49,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-23 22:40:49,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:40:49,855 INFO L225 Difference]: With dead ends: 127 [2023-11-23 22:40:49,855 INFO L226 Difference]: Without dead ends: 119 [2023-11-23 22:40:49,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:49,857 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 44 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 22:40:49,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 48 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 22:40:49,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-23 22:40:49,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 95. [2023-11-23 22:40:49,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 62 states have (on average 1.7096774193548387) internal successors, (106), 91 states have internal predecessors, (106), 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) [2023-11-23 22:40:49,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2023-11-23 22:40:49,872 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 6 [2023-11-23 22:40:49,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:40:49,873 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2023-11-23 22:40:49,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2023-11-23 22:40:49,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 22:40:49,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:40:49,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:49,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 22:40:50,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:50,083 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-23 22:40:50,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:50,084 INFO L85 PathProgramCache]: Analyzing trace with hash -237027953, now seen corresponding path program 1 times [2023-11-23 22:40:50,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:50,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975044232] [2023-11-23 22:40:50,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:50,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:50,100 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:40:50,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2000045875] [2023-11-23 22:40:50,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:50,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:50,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:40:50,102 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:40:50,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 22:40:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:50,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 22:40:50,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:40:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:50,234 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:40:50,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:50,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975044232] [2023-11-23 22:40:50,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:40:50,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000045875] [2023-11-23 22:40:50,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000045875] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:50,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:50,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-23 22:40:50,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336763603] [2023-11-23 22:40:50,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:50,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:50,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:50,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:50,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:50,245 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:50,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:40:50,398 INFO L93 Difference]: Finished difference Result 119 states and 121 transitions. [2023-11-23 22:40:50,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:50,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-23 22:40:50,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:40:50,405 INFO L225 Difference]: With dead ends: 119 [2023-11-23 22:40:50,405 INFO L226 Difference]: Without dead ends: 111 [2023-11-23 22:40:50,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:50,408 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 35 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:40:50,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 56 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:40:50,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-23 22:40:50,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 97. [2023-11-23 22:40:50,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 64 states have (on average 1.59375) internal successors, (102), 93 states have internal predecessors, (102), 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) [2023-11-23 22:40:50,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 106 transitions. [2023-11-23 22:40:50,433 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 106 transitions. Word has length 7 [2023-11-23 22:40:50,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:40:50,434 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 106 transitions. [2023-11-23 22:40:50,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:50,435 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2023-11-23 22:40:50,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 22:40:50,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:40:50,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:50,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-23 22:40:50,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:50,653 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-23 22:40:50,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:50,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1880756105, now seen corresponding path program 1 times [2023-11-23 22:40:50,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:50,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814023275] [2023-11-23 22:40:50,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:50,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:50,671 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:40:50,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1525204391] [2023-11-23 22:40:50,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:50,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:50,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:40:50,680 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:40:50,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 22:40:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:50,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 22:40:50,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:40:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:50,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:40:50,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:50,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814023275] [2023-11-23 22:40:50,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:40:50,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525204391] [2023-11-23 22:40:50,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525204391] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:50,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:50,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-23 22:40:50,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790279979] [2023-11-23 22:40:50,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:50,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:50,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:50,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:50,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:50,886 INFO L87 Difference]: Start difference. First operand 97 states and 106 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:51,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:40:51,258 INFO L93 Difference]: Finished difference Result 115 states and 117 transitions. [2023-11-23 22:40:51,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:51,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-23 22:40:51,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:40:51,260 INFO L225 Difference]: With dead ends: 115 [2023-11-23 22:40:51,260 INFO L226 Difference]: Without dead ends: 112 [2023-11-23 22:40:51,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:51,262 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 31 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 22:40:51,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 55 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 22:40:51,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-23 22:40:51,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 99. [2023-11-23 22:40:51,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 66 states have (on average 1.5606060606060606) internal successors, (103), 95 states have internal predecessors, (103), 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) [2023-11-23 22:40:51,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 107 transitions. [2023-11-23 22:40:51,272 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 107 transitions. Word has length 12 [2023-11-23 22:40:51,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:40:51,273 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 107 transitions. [2023-11-23 22:40:51,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:51,273 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 107 transitions. [2023-11-23 22:40:51,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 22:40:51,274 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:40:51,274 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:51,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-23 22:40:51,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:51,483 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-23 22:40:51,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:51,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1826102827, now seen corresponding path program 1 times [2023-11-23 22:40:51,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:51,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094548386] [2023-11-23 22:40:51,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:51,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:51,495 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:40:51,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327597204] [2023-11-23 22:40:51,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:51,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:51,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:40:51,498 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:40:51,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 22:40:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:51,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 22:40:51,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:40:51,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:51,648 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:40:51,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:51,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094548386] [2023-11-23 22:40:51,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:40:51,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327597204] [2023-11-23 22:40:51,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327597204] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:51,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:51,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-23 22:40:51,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157593440] [2023-11-23 22:40:51,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:51,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:51,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:51,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:51,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:51,652 INFO L87 Difference]: Start difference. First operand 99 states and 107 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:51,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:40:51,791 INFO L93 Difference]: Finished difference Result 112 states and 114 transitions. [2023-11-23 22:40:51,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:51,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-23 22:40:51,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:40:51,793 INFO L225 Difference]: With dead ends: 112 [2023-11-23 22:40:51,793 INFO L226 Difference]: Without dead ends: 109 [2023-11-23 22:40:51,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:51,795 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 27 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:40:51,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 58 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:40:51,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-23 22:40:51,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 101. [2023-11-23 22:40:51,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 68 states have (on average 1.5294117647058822) internal successors, (104), 97 states have internal predecessors, (104), 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) [2023-11-23 22:40:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 108 transitions. [2023-11-23 22:40:51,806 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 108 transitions. Word has length 13 [2023-11-23 22:40:51,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:40:51,807 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 108 transitions. [2023-11-23 22:40:51,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:51,807 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2023-11-23 22:40:51,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 22:40:51,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:40:51,808 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:51,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 22:40:52,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:52,019 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-23 22:40:52,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:52,019 INFO L85 PathProgramCache]: Analyzing trace with hash -774612725, now seen corresponding path program 1 times [2023-11-23 22:40:52,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:52,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499641632] [2023-11-23 22:40:52,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:52,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:52,042 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:40:52,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [938545698] [2023-11-23 22:40:52,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:52,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:52,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:40:52,048 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:40:52,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 22:40:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:52,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 22:40:52,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:40:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:52,166 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:40:52,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:52,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499641632] [2023-11-23 22:40:52,167 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:40:52,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938545698] [2023-11-23 22:40:52,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938545698] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:52,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:52,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-23 22:40:52,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154168006] [2023-11-23 22:40:52,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:52,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:52,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:52,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:52,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:52,170 INFO L87 Difference]: Start difference. First operand 101 states and 108 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:52,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:40:52,326 INFO L93 Difference]: Finished difference Result 109 states and 111 transitions. [2023-11-23 22:40:52,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:52,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-23 22:40:52,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:40:52,327 INFO L225 Difference]: With dead ends: 109 [2023-11-23 22:40:52,327 INFO L226 Difference]: Without dead ends: 95 [2023-11-23 22:40:52,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:52,329 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 20 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:40:52,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 64 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:40:52,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-23 22:40:52,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2023-11-23 22:40:52,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 60 states have (on average 1.55) internal successors, (93), 89 states have internal predecessors, (93), 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) [2023-11-23 22:40:52,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 97 transitions. [2023-11-23 22:40:52,340 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 97 transitions. Word has length 14 [2023-11-23 22:40:52,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:40:52,340 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 97 transitions. [2023-11-23 22:40:52,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:40:52,341 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 97 transitions. [2023-11-23 22:40:52,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 22:40:52,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:40:52,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:52,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 22:40:52,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:52,561 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-23 22:40:52,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:52,562 INFO L85 PathProgramCache]: Analyzing trace with hash 641744375, now seen corresponding path program 1 times [2023-11-23 22:40:52,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:52,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924926898] [2023-11-23 22:40:52,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:52,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:52,573 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:40:52,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [255058809] [2023-11-23 22:40:52,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:52,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:52,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:40:52,580 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:40:52,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 22:40:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:52,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 22:40:52,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:40:52,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:52,681 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:40:52,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:52,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924926898] [2023-11-23 22:40:52,682 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:40:52,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255058809] [2023-11-23 22:40:52,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255058809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:52,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:52,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:52,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675417243] [2023-11-23 22:40:52,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:52,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:52,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:52,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:52,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:52,690 INFO L87 Difference]: Start difference. First operand 93 states and 97 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:40:52,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:40:52,704 INFO L93 Difference]: Finished difference Result 93 states and 97 transitions. [2023-11-23 22:40:52,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:52,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-11-23 22:40:52,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:40:52,706 INFO L225 Difference]: With dead ends: 93 [2023-11-23 22:40:52,706 INFO L226 Difference]: Without dead ends: 92 [2023-11-23 22:40:52,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:52,708 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 47 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:40:52,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 67 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:40:52,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-23 22:40:52,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-11-23 22:40:52,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 60 states have (on average 1.5166666666666666) internal successors, (91), 88 states have internal predecessors, (91), 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) [2023-11-23 22:40:52,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 95 transitions. [2023-11-23 22:40:52,738 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 95 transitions. Word has length 22 [2023-11-23 22:40:52,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:40:52,742 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 95 transitions. [2023-11-23 22:40:52,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:40:52,743 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 95 transitions. [2023-11-23 22:40:52,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 22:40:52,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:40:52,747 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:52,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 22:40:52,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:52,948 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-23 22:40:52,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:52,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1580760779, now seen corresponding path program 1 times [2023-11-23 22:40:52,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:52,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733219631] [2023-11-23 22:40:52,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:52,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:52,962 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:40:52,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1377884359] [2023-11-23 22:40:52,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:52,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:52,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:40:52,964 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:40:52,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 22:40:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:53,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 22:40:53,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:40:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:53,066 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:40:53,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:53,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733219631] [2023-11-23 22:40:53,067 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:40:53,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377884359] [2023-11-23 22:40:53,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377884359] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:53,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:53,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:53,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944896488] [2023-11-23 22:40:53,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:53,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:53,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:53,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:53,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:53,070 INFO L87 Difference]: Start difference. First operand 92 states and 95 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:40:53,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:40:53,086 INFO L93 Difference]: Finished difference Result 93 states and 95 transitions. [2023-11-23 22:40:53,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:53,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-11-23 22:40:53,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:40:53,088 INFO L225 Difference]: With dead ends: 93 [2023-11-23 22:40:53,089 INFO L226 Difference]: Without dead ends: 92 [2023-11-23 22:40:53,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:53,090 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:40:53,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:40:53,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-23 22:40:53,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-11-23 22:40:53,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 60 states have (on average 1.5) internal successors, (90), 88 states have internal predecessors, (90), 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) [2023-11-23 22:40:53,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 94 transitions. [2023-11-23 22:40:53,102 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 94 transitions. Word has length 23 [2023-11-23 22:40:53,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:40:53,103 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 94 transitions. [2023-11-23 22:40:53,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:40:53,103 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 94 transitions. [2023-11-23 22:40:53,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 22:40:53,105 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:40:53,105 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:53,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 22:40:53,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:53,316 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-23 22:40:53,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:53,317 INFO L85 PathProgramCache]: Analyzing trace with hash -668652387, now seen corresponding path program 1 times [2023-11-23 22:40:53,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:53,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482442491] [2023-11-23 22:40:53,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:53,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:53,329 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:40:53,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1518132445] [2023-11-23 22:40:53,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:53,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:53,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:40:53,331 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:40:53,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 22:40:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:53,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 22:40:53,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:40:53,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:53,493 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:40:53,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:53,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482442491] [2023-11-23 22:40:53,494 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:40:53,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518132445] [2023-11-23 22:40:53,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518132445] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:53,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:53,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:40:53,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718568557] [2023-11-23 22:40:53,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:53,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:40:53,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:53,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:40:53,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:40:53,501 INFO L87 Difference]: Start difference. First operand 92 states and 94 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:40:53,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:40:53,550 INFO L93 Difference]: Finished difference Result 121 states and 123 transitions. [2023-11-23 22:40:53,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 22:40:53,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2023-11-23 22:40:53,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:40:53,552 INFO L225 Difference]: With dead ends: 121 [2023-11-23 22:40:53,552 INFO L226 Difference]: Without dead ends: 54 [2023-11-23 22:40:53,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-23 22:40:53,556 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 29 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:40:53,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 129 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:40:53,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-23 22:40:53,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-23 22:40:53,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 51 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:40:53,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 53 transitions. [2023-11-23 22:40:53,576 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 53 transitions. Word has length 31 [2023-11-23 22:40:53,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:40:53,578 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 53 transitions. [2023-11-23 22:40:53,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:40:53,578 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 53 transitions. [2023-11-23 22:40:53,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 22:40:53,580 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:40:53,580 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:53,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-23 22:40:53,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:53,795 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-23 22:40:53,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:53,796 INFO L85 PathProgramCache]: Analyzing trace with hash 746612524, now seen corresponding path program 1 times [2023-11-23 22:40:53,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:53,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061110291] [2023-11-23 22:40:53,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:53,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:53,807 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:40:53,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1328162651] [2023-11-23 22:40:53,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:53,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:53,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:40:53,809 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:40:53,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-23 22:40:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:53,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 22:40:53,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:40:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:53,950 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:40:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:54,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:54,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061110291] [2023-11-23 22:40:54,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:40:54,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328162651] [2023-11-23 22:40:54,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328162651] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 22:40:54,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 22:40:54,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9 [2023-11-23 22:40:54,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984610344] [2023-11-23 22:40:54,044 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 22:40:54,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 22:40:54,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:54,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 22:40:54,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-23 22:40:54,048 INFO L87 Difference]: Start difference. First operand 54 states and 53 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 22:40:54,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:40:54,104 INFO L93 Difference]: Finished difference Result 54 states and 53 transitions. [2023-11-23 22:40:54,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 22:40:54,105 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2023-11-23 22:40:54,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:40:54,106 INFO L225 Difference]: With dead ends: 54 [2023-11-23 22:40:54,107 INFO L226 Difference]: Without dead ends: 53 [2023-11-23 22:40:54,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=113, Unknown=0, NotChecked=0, Total=182 [2023-11-23 22:40:54,108 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 27 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:40:54,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 232 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:40:54,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-23 22:40:54,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-23 22:40:54,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 50 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:40:54,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 52 transitions. [2023-11-23 22:40:54,115 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 52 transitions. Word has length 32 [2023-11-23 22:40:54,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:40:54,115 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 52 transitions. [2023-11-23 22:40:54,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 22:40:54,116 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 52 transitions. [2023-11-23 22:40:54,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 22:40:54,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:40:54,119 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:54,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-23 22:40:54,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:54,339 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-23 22:40:54,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:54,340 INFO L85 PathProgramCache]: Analyzing trace with hash 235098589, now seen corresponding path program 1 times [2023-11-23 22:40:54,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:54,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577849598] [2023-11-23 22:40:54,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:54,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:54,351 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:40:54,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1737921571] [2023-11-23 22:40:54,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:54,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:54,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:40:54,353 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:40:54,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-23 22:40:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:54,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 22:40:54,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:40:54,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:54,786 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:40:55,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:55,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577849598] [2023-11-23 22:40:55,328 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:40:55,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737921571] [2023-11-23 22:40:55,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737921571] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:40:55,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-23 22:40:55,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-23 22:40:55,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255613201] [2023-11-23 22:40:55,329 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-23 22:40:55,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 22:40:55,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:55,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 22:40:55,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-23 22:40:55,330 INFO L87 Difference]: Start difference. First operand 53 states and 52 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:40:55,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:40:55,689 INFO L93 Difference]: Finished difference Result 53 states and 52 transitions. [2023-11-23 22:40:55,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:40:55,690 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2023-11-23 22:40:55,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:40:55,691 INFO L225 Difference]: With dead ends: 53 [2023-11-23 22:40:55,691 INFO L226 Difference]: Without dead ends: 50 [2023-11-23 22:40:55,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-23 22:40:55,692 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 39 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 22:40:55,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 56 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 22:40:55,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-23 22:40:55,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-23 22:40:55,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 41 states have (on average 1.146341463414634) internal successors, (47), 47 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:40:55,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 49 transitions. [2023-11-23 22:40:55,700 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 49 transitions. Word has length 34 [2023-11-23 22:40:55,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:40:55,700 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 49 transitions. [2023-11-23 22:40:55,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:40:55,701 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 49 transitions. [2023-11-23 22:40:55,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 22:40:55,701 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:40:55,702 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:55,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-23 22:40:55,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:55,902 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-23 22:40:55,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:55,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1301878238, now seen corresponding path program 1 times [2023-11-23 22:40:55,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:55,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004011009] [2023-11-23 22:40:55,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:55,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:55,936 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:40:55,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1395943580] [2023-11-23 22:40:55,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:55,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:40:55,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:40:55,938 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:40:55,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-23 22:40:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:56,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 22:40:56,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:40:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:40:56,441 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:41:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:41:00,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:41:00,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004011009] [2023-11-23 22:41:00,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:41:00,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395943580] [2023-11-23 22:41:00,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395943580] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 22:41:00,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 22:41:00,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-23 22:41:00,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399247014] [2023-11-23 22:41:00,899 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 22:41:00,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 22:41:00,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:41:00,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 22:41:00,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=79, Unknown=1, NotChecked=0, Total=110 [2023-11-23 22:41:00,901 INFO L87 Difference]: Start difference. First operand 50 states and 49 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 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) [2023-11-23 22:41:03,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:41:03,500 INFO L93 Difference]: Finished difference Result 50 states and 49 transitions. [2023-11-23 22:41:03,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 22:41:03,501 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 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) Word has length 35 [2023-11-23 22:41:03,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:41:03,502 INFO L225 Difference]: With dead ends: 50 [2023-11-23 22:41:03,502 INFO L226 Difference]: Without dead ends: 47 [2023-11-23 22:41:03,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=40, Invalid=115, Unknown=1, NotChecked=0, Total=156 [2023-11-23 22:41:03,503 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 22 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 22:41:03,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 63 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 22:41:03,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-23 22:41:03,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-23 22:41:03,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 44 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:41:03,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 46 transitions. [2023-11-23 22:41:03,509 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 46 transitions. Word has length 35 [2023-11-23 22:41:03,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:41:03,510 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 46 transitions. [2023-11-23 22:41:03,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 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) [2023-11-23 22:41:03,511 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 46 transitions. [2023-11-23 22:41:03,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 22:41:03,522 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:41:03,522 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:41:03,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:03,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-23 22:41:03,747 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-23 22:41:03,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:03,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1793428419, now seen corresponding path program 1 times [2023-11-23 22:41:03,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:03,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969990086] [2023-11-23 22:41:03,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:03,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:03,771 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:41:03,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1985790182] [2023-11-23 22:41:03,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:03,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:41:03,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:03,785 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:41:03,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-23 22:41:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:03,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 22:41:03,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:41:03,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:41:03,923 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:41:04,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:41:04,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969990086] [2023-11-23 22:41:04,022 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:41:04,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985790182] [2023-11-23 22:41:04,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985790182] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:41:04,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-23 22:41:04,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2023-11-23 22:41:04,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712578664] [2023-11-23 22:41:04,024 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-23 22:41:04,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:41:04,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:41:04,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:41:04,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:41:04,026 INFO L87 Difference]: Start difference. First operand 47 states and 46 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:41:04,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:41:04,289 INFO L93 Difference]: Finished difference Result 47 states and 46 transitions. [2023-11-23 22:41:04,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:41:04,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2023-11-23 22:41:04,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:41:04,290 INFO L225 Difference]: With dead ends: 47 [2023-11-23 22:41:04,290 INFO L226 Difference]: Without dead ends: 46 [2023-11-23 22:41:04,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:41:04,292 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 6 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 22:41:04,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 45 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 22:41:04,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-23 22:41:04,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-23 22:41:04,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 41 states have (on average 1.048780487804878) internal successors, (43), 43 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:41:04,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 45 transitions. [2023-11-23 22:41:04,298 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 45 transitions. Word has length 40 [2023-11-23 22:41:04,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:41:04,298 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 45 transitions. [2023-11-23 22:41:04,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:41:04,299 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 45 transitions. [2023-11-23 22:41:04,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 22:41:04,300 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:41:04,300 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:41:04,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:04,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-23 22:41:04,513 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-23 22:41:04,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:04,514 INFO L85 PathProgramCache]: Analyzing trace with hash -238293752, now seen corresponding path program 1 times [2023-11-23 22:41:04,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:04,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664221702] [2023-11-23 22:41:04,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:04,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:04,535 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:41:04,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [93212200] [2023-11-23 22:41:04,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:04,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:41:04,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:04,552 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:41:04,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-23 22:41:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:04,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 22:41:04,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:41:05,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:41:05,013 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:41:06,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:41:06,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:41:06,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664221702] [2023-11-23 22:41:06,122 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:41:06,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93212200] [2023-11-23 22:41:06,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93212200] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 22:41:06,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 22:41:06,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-23 22:41:06,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622688173] [2023-11-23 22:41:06,123 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 22:41:06,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 22:41:06,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:41:06,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 22:41:06,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-23 22:41:06,125 INFO L87 Difference]: Start difference. First operand 46 states and 45 transitions. Second operand has 11 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 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) [2023-11-23 22:41:06,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:41:06,666 INFO L93 Difference]: Finished difference Result 46 states and 45 transitions. [2023-11-23 22:41:06,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 22:41:06,667 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 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) Word has length 41 [2023-11-23 22:41:06,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:41:06,668 INFO L225 Difference]: With dead ends: 46 [2023-11-23 22:41:06,668 INFO L226 Difference]: Without dead ends: 45 [2023-11-23 22:41:06,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2023-11-23 22:41:06,669 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 13 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 22:41:06,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 81 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 22:41:06,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-23 22:41:06,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-23 22:41:06,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 41 states have (on average 1.024390243902439) internal successors, (42), 42 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:41:06,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 44 transitions. [2023-11-23 22:41:06,676 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 44 transitions. Word has length 41 [2023-11-23 22:41:06,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:41:06,677 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 44 transitions. [2023-11-23 22:41:06,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 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) [2023-11-23 22:41:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 44 transitions. [2023-11-23 22:41:06,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 22:41:06,679 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:41:06,679 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:41:06,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:06,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:41:06,903 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-23 22:41:06,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:06,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1202828389, now seen corresponding path program 1 times [2023-11-23 22:41:06,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:06,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707563913] [2023-11-23 22:41:06,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:06,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:06,920 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:41:06,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [47542917] [2023-11-23 22:41:06,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:06,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:41:06,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:06,923 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:41:06,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-23 22:41:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:06,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 22:41:06,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:41:07,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:41:07,197 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:41:07,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:41:07,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707563913] [2023-11-23 22:41:07,410 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:41:07,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47542917] [2023-11-23 22:41:07,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47542917] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:41:07,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-23 22:41:07,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2023-11-23 22:41:07,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811170329] [2023-11-23 22:41:07,412 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-23 22:41:07,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:41:07,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:41:07,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:41:07,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-23 22:41:07,414 INFO L87 Difference]: Start difference. First operand 45 states and 44 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:41:07,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:41:07,504 INFO L93 Difference]: Finished difference Result 45 states and 44 transitions. [2023-11-23 22:41:07,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:41:07,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2023-11-23 22:41:07,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:41:07,505 INFO L225 Difference]: With dead ends: 45 [2023-11-23 22:41:07,505 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 22:41:07,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-23 22:41:07,506 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 1 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:41:07,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 50 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:41:07,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 22:41:07,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 22:41:07,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:41:07,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 22:41:07,508 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2023-11-23 22:41:07,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:41:07,508 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 22:41:07,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:41:07,509 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 22:41:07,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 22:41:07,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2023-11-23 22:41:07,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2023-11-23 22:41:07,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2023-11-23 22:41:07,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2023-11-23 22:41:07,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2023-11-23 22:41:07,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2023-11-23 22:41:07,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2023-11-23 22:41:07,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2023-11-23 22:41:07,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2023-11-23 22:41:07,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2023-11-23 22:41:07,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2023-11-23 22:41:07,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2023-11-23 22:41:07,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2023-11-23 22:41:07,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2023-11-23 22:41:07,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2023-11-23 22:41:07,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2023-11-23 22:41:07,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2023-11-23 22:41:07,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2023-11-23 22:41:07,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2023-11-23 22:41:07,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2023-11-23 22:41:07,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2023-11-23 22:41:07,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2023-11-23 22:41:07,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2023-11-23 22:41:07,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2023-11-23 22:41:07,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2023-11-23 22:41:07,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2023-11-23 22:41:07,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2023-11-23 22:41:07,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2023-11-23 22:41:07,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2023-11-23 22:41:07,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2023-11-23 22:41:07,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-23 22:41:07,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:41:07,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 22:41:07,860 INFO L899 garLoopResultBuilder]: For program point L35-2(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,860 INFO L899 garLoopResultBuilder]: For program point L35-3(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,860 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,860 INFO L899 garLoopResultBuilder]: For program point L35-4(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,860 INFO L899 garLoopResultBuilder]: For program point L35-5(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,860 INFO L899 garLoopResultBuilder]: For program point L35-6(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,860 INFO L899 garLoopResultBuilder]: For program point L35-7(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,861 INFO L899 garLoopResultBuilder]: For program point L35-8(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,861 INFO L899 garLoopResultBuilder]: For program point L35-9(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,861 INFO L895 garLoopResultBuilder]: At program point L35-10(line 35) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (= |ULTIMATE.start_main_~c~0#1| 1) (= |ULTIMATE.start_main_~x~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| 1) (= ~counter~0 1)) [2023-11-23 22:41:07,861 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2023-11-23 22:41:07,861 INFO L899 garLoopResultBuilder]: For program point L35-11(lines 34 43) no Hoare annotation was computed. [2023-11-23 22:41:07,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-11-23 22:41:07,862 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,862 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,862 INFO L899 garLoopResultBuilder]: For program point L44-2(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,862 INFO L899 garLoopResultBuilder]: For program point L44-3(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,863 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2023-11-23 22:41:07,863 INFO L899 garLoopResultBuilder]: For program point L44-4(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,863 INFO L899 garLoopResultBuilder]: For program point L40-1(line 40) no Hoare annotation was computed. [2023-11-23 22:41:07,863 INFO L899 garLoopResultBuilder]: For program point L44-5(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,863 INFO L899 garLoopResultBuilder]: For program point L44-6(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,863 INFO L899 garLoopResultBuilder]: For program point L44-7(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,863 INFO L899 garLoopResultBuilder]: For program point L44-8(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,863 INFO L902 garLoopResultBuilder]: At program point L44-9(line 44) the Hoare annotation is: true [2023-11-23 22:41:07,863 INFO L899 garLoopResultBuilder]: For program point L44-10(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-23 22:41:07,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-11-23 22:41:07,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,867 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,868 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-23 22:41:07,868 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,869 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-11-23 22:41:07,869 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2023-11-23 22:41:07,869 INFO L899 garLoopResultBuilder]: For program point L41-2(line 41) no Hoare annotation was computed. [2023-11-23 22:41:07,869 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2023-11-23 22:41:07,870 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-23 22:41:07,870 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 22:41:07,870 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,871 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,871 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-11-23 22:41:07,871 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,871 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,871 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-23 22:41:07,872 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,872 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2023-11-23 22:41:07,872 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 22:41:07,872 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2023-11-23 22:41:07,872 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2023-11-23 22:41:07,873 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,873 INFO L899 garLoopResultBuilder]: For program point L34-2(line 34) no Hoare annotation was computed. [2023-11-23 22:41:07,873 INFO L899 garLoopResultBuilder]: For program point L34-3(lines 34 43) no Hoare annotation was computed. [2023-11-23 22:41:07,873 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,873 INFO L895 garLoopResultBuilder]: At program point L34-5(lines 34 43) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~z~0#1| 2147483647)) (.cse1 (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_~c~0#1| 1) (= |ULTIMATE.start_main_~x~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| 1) (= ~counter~0 0)) (and (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) .cse0 .cse1 (<= 1 |ULTIMATE.start_main_~c~0#1|) (= |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~z~0#1| 1)) (= ~counter~0 1)))) [2023-11-23 22:41:07,874 INFO L899 garLoopResultBuilder]: For program point L34-6(lines 34 43) no Hoare annotation was computed. [2023-11-23 22:41:07,874 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2023-11-23 22:41:07,874 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-23 22:41:07,874 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-11-23 22:41:07,874 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,875 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,875 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,875 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2023-11-23 22:41:07,875 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2023-11-23 22:41:07,875 INFO L899 garLoopResultBuilder]: For program point L15-2(lines 14 20) no Hoare annotation was computed. [2023-11-23 22:41:07,876 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 14 20) no Hoare annotation was computed. [2023-11-23 22:41:07,876 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2023-11-23 22:41:07,880 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:41:07,883 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 22:41:07,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:41:07 BoogieIcfgContainer [2023-11-23 22:41:07,905 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 22:41:07,906 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:41:07,906 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:41:07,907 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:41:07,907 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:40:48" (3/4) ... [2023-11-23 22:41:07,910 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 22:41:07,914 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 22:41:07,924 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-23 22:41:07,924 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 22:41:07,925 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 22:41:07,925 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 22:41:08,067 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 22:41:08,068 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/witness.yml [2023-11-23 22:41:08,068 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:41:08,069 INFO L158 Benchmark]: Toolchain (without parser) took 20650.50ms. Allocated memory was 167.8MB in the beginning and 220.2MB in the end (delta: 52.4MB). Free memory was 124.3MB in the beginning and 90.7MB in the end (delta: 33.6MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2023-11-23 22:41:08,069 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:41:08,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.66ms. Allocated memory is still 167.8MB. Free memory was 124.0MB in the beginning and 113.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 22:41:08,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.39ms. Allocated memory is still 167.8MB. Free memory was 113.8MB in the beginning and 112.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:41:08,071 INFO L158 Benchmark]: Boogie Preprocessor took 53.74ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 110.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:41:08,072 INFO L158 Benchmark]: RCFGBuilder took 571.16ms. Allocated memory is still 167.8MB. Free memory was 110.4MB in the beginning and 95.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 22:41:08,072 INFO L158 Benchmark]: TraceAbstraction took 19461.84ms. Allocated memory was 167.8MB in the beginning and 220.2MB in the end (delta: 52.4MB). Free memory was 94.6MB in the beginning and 96.0MB in the end (delta: -1.3MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2023-11-23 22:41:08,073 INFO L158 Benchmark]: Witness Printer took 162.17ms. Allocated memory is still 220.2MB. Free memory was 96.0MB in the beginning and 90.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:41:08,075 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.66ms. Allocated memory is still 167.8MB. Free memory was 124.0MB in the beginning and 113.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.39ms. Allocated memory is still 167.8MB. Free memory was 113.8MB in the beginning and 112.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.74ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 110.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.16ms. Allocated memory is still 167.8MB. Free memory was 110.4MB in the beginning and 95.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 19461.84ms. Allocated memory was 167.8MB in the beginning and 220.2MB in the end (delta: 52.4MB). Free memory was 94.6MB in the beginning and 96.0MB in the end (delta: -1.3MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Witness Printer took 162.17ms. Allocated memory is still 220.2MB. Free memory was 96.0MB in the beginning and 90.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 19.4s, OverallIterations: 15, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 352 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 345 mSDsluCounter, 1334 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 780 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1150 IncrementalHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 554 mSDtfsCounter, 1150 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 518 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=5, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 61 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 8 PreInvPairs, 12 NumberOfFragments, 68 HoareAnnotationTreeSize, 8 FomulaSimplifications, 45 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 445 ConstructedInterpolants, 7 QuantifiedInterpolants, 3271 SizeOfPredicates, 12 NumberOfNonLiveVariables, 937 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 2/36 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 - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((z <= 2147483647) && (0 <= (z + 2147483648))) && (c == 1)) && (x == 1)) && (y == 1)) && (counter == 0)) || ((((((y == z) && (z <= 2147483647)) && (0 <= (z + 2147483648))) && (1 <= c)) && (x == (z + 1))) && (counter == 1))) RESULT: Ultimate proved your program to be correct! [2023-11-23 22:41:08,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b06be9-f9c6-4d02-91c8-2895a0e5f955/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE